MAY 01, 2020 RAILROAD COMMISSION OF TEXAS PAGE 1 …Apr 30, 2020 · alderman ranch ef 6h...

MAY 01, 2020 RAILROAD COMMISSION OF TEXAS PAGE 1 LEASE NAME INDEX LISTING (GSM019) DISTRICT 01

------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ ALTIZER "B" 7B VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 167077 A.E. PUIG - STATE (EF) 5H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 261443 A.M.G. CHATO 25 15 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 191320 ABEL DIM A 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275910 ACKER 1 HAGIST RANCH, N. (WILCOX 7400) FINLEY RESOURCES, INC. 099939 ACKER UNIT 4 HAGIST RANCH, N. (WILCOX 8200) FINLEY RESOURCES, INC. 210339 ACKER UNIT NO. 3 3 HAGIST RANCH, N. (WILCOX 8400) FINLEY RESOURCES, INC. 133548 ACTON, PAMELA 1 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 102248 ACTON, PAMELA 2 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 103401 ACTON, PAMELA 3 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 106432 ACTON, PAMELA 5 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 153541 ACTON, PAMELA 6 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 157575 ACTON, PAMELA 7 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 157893 ACTON, PAMELA 9 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 167956 ACTON, PAMELA 10H MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 169789 ADAH - CAUTHORN 10A VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 161987 ADAMS RANCH 2 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 247409 ADAMS RANCH 4 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 269446 AFFLECK 1H EAGLEVILLE (EAGLE FORD-1) MATADOR PRODUCTION COMPANY 263150 ALAMO NATIONAL BANK TRUSTEE 1 GREEN BRANCH (6100) LIQUID PETROLEUM RESOURCES, INC. 074318 ALAMO NATIONAL BANK TRUSTEE 2 GREEN BRANCH (WILCOX 2-D) LIQUID PETROLEUM RESOURCES, INC. 082923 ALDERMAN 1 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 186437 ALDERMAN 2 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 188870 ALDERMAN 3 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 195833 ALDERMAN 5 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 197079 ALDERMAN 7 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 196645 ALDERMAN 'A' 1H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 268123 ALDERMAN 'B' EF 1H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 267480 ALDERMAN A67 4H EAGLEVILLE (EAGLE FORD-1) LEWIS PETRO PROPERTIES, INC. 267758 ALDERMAN RANCH EF 2H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 264170 ALDERMAN RANCH EF 3H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 266288 ALDERMAN RANCH EF 4H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 267679 ALDERMAN RANCH EF 5H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 267673 ALDERMAN RANCH EF 6H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 269221 ALDERMAN, EZRA 1 STUART CITY (EDWARDS LIME) VIRTEX OPERATING COMPANY, INC. 070702 ALDERMAN, EZRA 113 1 STUART CITY (EDWARDS LIME) VIRTEX OPERATING COMPANY, INC. 246173 ALEXANDER MURPHY 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 263544 ALEXANDER-MANDEL 1762 1H TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 277011 ALEXANDER, M. M. ET AL 709 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 167519 ALINE WILLIAMS UNIT B 1H INDIO TANKS (PEARSALL) CHEYENNE PETROLEUM COMPANY 265483 ALKEK 4 M.F. JAKE LAWLESS (GEORGETOWN) ASHTOLA EXPLORATION COMPANY,INC. 140183 ALKEK 8 M.F. JAKE LAWLESS (GEORGETOWN) ASHTOLA EXPLORATION COMPANY,INC. 143920 ALKEK 10 M.F. JAKE LAWLESS (GEORGETOWN) ASHTOLA EXPLORATION COMPANY,INC. 146888 ALKEK 16 M.F. JAKE LAWLESS (GEORGETOWN) ASHTOLA EXPLORATION COMPANY,INC. 197031 ALKEK UNIT "A" 1 TRAVIS HIGGINS (RODESSA) ASHTOLA EXPLORATION COMPANY,INC. 150905 ALTIZER 4B VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 159418 ALTIZER 5B VINEGARONE (SWANSON) GRIZZLY OP OF DELAWARE, LLC 158689 ALTIZER 6B VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 159023 ALTIZER 8B VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 160619 ALTIZER "B" 9 VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 173823 ALTIZER "B" 9 VINEGARONE (SWANSON) GRIZZLY OP OF DELAWARE, LLC 171090


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ ALTIZER "B" 10 VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 175208 ALTIZER "B" 15 VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 177215 ALTIZER "56" 1 ALTIZER (CANYON LOWER) PATNO OIL & GAS COMPANY 239460 ALTIZER "56" 2 ALTIZER (CANYON LOWER) PATNO OIL & GAS COMPANY 241706 ALTIZER 48A 1 VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 188371 ALTIZER, MINNIE LEE 1 VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 000499 ALTIZER, MINNIE LEE "B" 1 VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 073987 ALWAYS DREAMING 1EH EAGLEVILLE (EAGLE FORD-1) PAYROCK II, LLC 284292 AMERICAN NATIONAL INS. G.U. -A- 1 HOSTETTER, NORTH (WILCOX,UPPER) BLACKBEARD OPERATING, LLC 067499 AMG CHATO 25 C 17 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 203288 AMG CHATO 25 C 38 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 233688 AMG CHATO 25 C 41 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 233823 AMG CHATO 25 C 43 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 237935 AMG CHATO 25 C 44 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 234010 AMG CHATO 25 C 45 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 236196 ANDERSON-STONE UNIT DIM A 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 279031 ANTHONY ET AL-J.V. 1H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 263576 ANTHONY FOREST PRODUCTS 1H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 255265 ANTHONY FOREST PRODUCTS 2H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 257947 ANTHONY FOREST PRODUCTS 3H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 261043 ANTHONY FOREST PRODUCTS 4H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 261456 ANTHONY FOREST PRODUCTS 5H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 263066 ANTHONY FOREST PRODUCTS 7H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 264203 ANTHONY FOREST PRODUCTS 9H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 266725 ANTHONY FOREST PRODUCTS 10H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 267253 ANTHONY FOREST PRODUCTS 11H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 266953 APPLING 1 STUART CITY (EDWARDS LIME) SUTTON PRODUCING CORP. 129473 APPLING 2 STUART CITY (EDWARDS LIME) SUTTON PRODUCING CORP. 130985 APPLING 2 B SUN T S H (OLMOS) FLETCHER OPERATING, LLC 169629 APPLING 3 STUART CITY (EDWARDS LIME) SUTTON PRODUCING CORP. 133551 APPLING 4 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 220965 APPLING 5 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 220929 APPLING 6 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 225974 APPLING 7H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 276848 APPLING 9H SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 272887 APPLING 12H SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 275273 APPLING 13H SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 275271 APPLING 14H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284939 APPLING 15H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280045 APPLING 16H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280668 APPLING 17H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280744 APPLING A 18H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284147 APPLING B 3B SUN T S H (OLMOS) FLETCHER OPERATING, LLC 221168 APPLING B 19H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284454 APPLING PSA A 20H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284726 APPLING PSA A 20HR HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 285552 APPLING PSA B 21H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 285057 APPLING TRUST 3 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 271915 APPLING 1 1 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 220602 APPLING 10 20 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 211320 APPLING 10 25 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 212536


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ APPLING 10 28 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 219485 APPLING 1435 6H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269920 APPLING 695 2H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 258036 APPLING 695 43 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 239635 APPLING 695 45 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 242031 APPLING 695 46 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 241868 APPLING 695 50 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 254204 APPLING 697 1 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 191460 APPLING 697 2 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 191461 APPLING 697 3 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 192562 APPLING 697 9 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 193511 APPLING 697 10 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 193489 APPLING 697 11 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 195475 APPLING 697 14 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 199491 APPLING 697 GU 4 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 203276 APPLING 697 GU 6 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 241922 APPLING 697 GU 7 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 204626 APPLING 697 GU 27 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 213228 APPLING 698 12 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 195827 APPLING 698 16 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 208679 APPLING 698 18 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 206456 APPLING 698 19 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 208913 APPLING 698 22 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 212058 APPLING 698 23 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 211770 APPLING 698 24 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 211612 APPLING 698 26 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 214732 APPLING 698 31 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 220849 APPLING 698 "B" 44 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 241867 APPLING 698 GU 5H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 261439 APPLING 700 5 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 203275 APPLING 700 8 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 193504 APPLING 700 15 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 199473 APPLING 700 17C SUN T S H (WILCOX) LEWIS PETRO PROPERTIES, INC. 211577 APPLING 700 17T SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 209340 APPLING 715 GU 4H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 266964 APPLING 716 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 256452 APPLING 716 3H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 257682 APPLING 747 13 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 197131 APPLING 747 21 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 210055 APPLING 748 A 42 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 235723 APPLING 9 29 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 264677 APPLING 9 30 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 218723 APPLING 9 32 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 221119 APPLING 9 33 SUN T S H (WILCOX) LEWIS PETRO PROPERTIES, INC. 235419 ARLEDGE 108 WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 082270 ARLEDGE 208 WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 213951 ARLEDGE 308 WILL O. (STRAWN) WILLO OIL & GAS EXPLORATION, LLC 220005 ARLEDGE 408 WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 250471 ARLEDGE 508 WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 228809 ARLEDGE 608 WILL O. (WOLFCAMP) WILLO OIL & GAS EXPLORATION, LLC 230061 ARLEDGE UNIT 1 WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 079224


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ ARLEDGE UNIT 2 WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 240096 ARLEDGE, PHILLIP 1 WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 000376 ARLEDGE, PHILLIP 1H WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 201559 ARLEDGE, PHILLIP 2 WILL O. (STRAWN) WILLO OIL & GAS EXPLORATION, LLC 184946 ARLEDGE, PHILLIP 4 WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 079446 ARLEDGE, PHILLIP 5 WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 180491 ARLEDGE, PHILLIP 6 WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 182475 ARLEDGE, PHILLIP 7 WILL O. (WOLFCAMP) WILLO OIL & GAS EXPLORATION, LLC 269300 ARLEDGE, PHILLIP 8 WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 219173 ARLEDGE, PHILLIP 9 WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 220810 ARLEDGE, PHILLIP 10 WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 219880 ARLEDGE, PHILLIP 11 WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 231906 ARLEDGE, PHILLIP 12 WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 226485 ARLEDGE, PHILLIP 14 WILL O. (STRAWN) WILLO OIL & GAS EXPLORATION, LLC 228674 ARLEDGE, PHILLIP 15 WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 229779 ARLEDGE, PHILLIP 16 WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 242844 ARN EF 1H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 266277 ARN EF 2H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 266278 ARN EF 3H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 271852 ARN EF 4H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 271462 ARN EF 5H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 272253 ARN EF 6H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 270645 ARN EF 7H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 270650 ARN EF 8H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 271393 ARN EF 9H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 274870 ARTESIA WELLS SWD 1 ARTESIA WELLS, W. (WILCOX 3630) NGL WATERSOLUTIONS EAGLEFORD,LLC 266626 ARTESIA WELLS SWD 2 ARTESIA WELLS, W. (WILCOX 3630) NGL WATERSOLUTIONS EAGLEFORD,LLC 268141 ASCHE A 1H HAWKVILLE (EAGLEFORD SHALE) VITRUVIAN EXPLORATION IV, LLC 286471 ASCHE A 2H HAWKVILLE (EAGLEFORD SHALE) VITRUVIAN EXPLORATION IV, LLC 286296 ASCHE RANCH 1H HAWKVILLE (EAGLEFORD SHALE) PERDIDO ENERGY, LLC 255524 ASCHE RANCH 2H HAWKVILLE (EAGLEFORD SHALE) PERDIDO ENERGY, LLC 267763 ATLANTIC INLAND GROUP 3H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 280547 ATLANTIC INLAND GROUP 5H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 282098 ATLANTIC INLAND GROUP-HUISACHE 101H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 287437 ATLANTIC INLAND GROUP-HUISACHE A 102H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 287438 AUSTIN STATE A 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 266963 AUSTIN STATE A 2H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287676 AUSTIN STATE A 3H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287677 AUSTIN STATE A 4H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287675 AVANT D 1HP INDIO TANKS (PEARSALL) EXCO OPERATING COMPANY, LP 268441 BAETZ 'A' EF 1H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 267676 BAETZ 'A' EF 2H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 267667 BAETZ 'A' EF 3H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 269941 BAETZ 'A' EF 4H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 271658 BAETZ 'A' EF 5H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 282263 BAETZ 'A' EF 6H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 282230 BAETZ 'B' EF 2H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 271093 BAETZ B EF 1H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 271072 BAETZ B EF 5H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 271385 BAETZ B EF 6H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 271440 BAETZ EF 1H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 268507


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------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRACKEN "A" 109 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 110832 BRACKEN "A" 204 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 208912 BRACKEN "A" 1015 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 112834 BRACKEN "A" 1016 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 111162 BRACKEN "A" 1017 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 111164 BRACKEN "A" 1018 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 168335 BRACKEN "A" 1023 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 117341 BRACKEN "A" 1024 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 115802 BRACKEN "A" 1025 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 114862 BRACKEN "A" 1026 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 116115 BRACKEN "A" 1027 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 114261 BRACKEN "A" 1037 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 132931 BRACKEN "A" 1038 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 116519 BRACKEN "A" 1039 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 116114 BRACKEN "A" 1040 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 116903 BRACKEN "A" 1041 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 127233 BRACKEN "A" 1052 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 119023 BRACKEN "A" 2014 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 213529 BRACKEN "A" 2015 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 232690 BRACKEN "A" 2016 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 209286 BRACKEN "A" 2017 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 232676 BRACKEN "A" 2018 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 249882 BRACKEN "A" 2023 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 167639 BRACKEN "A" 2024 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 168157 BRACKEN "A" 2025 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 167194 BRACKEN "A" 2026 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 167330 BRACKEN "A" 2027 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 167576 BRACKEN "A" 2037 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 169157 BRACKEN "A" 2038 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 210693 BRACKEN "A" 2039 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 167507 BRACKEN "A" 2040 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 167606 BRACKEN "A" 2041 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 168344 BRACKEN "A" 2052 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 169164 BRACKEN "B" 1056 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 117339 BRACKEN "B" 1058 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 144919 BRACKEN "B" 1083 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 144920 BRACKEN "B" 2056 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 167761 BRACKEN "B" 2058 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 177435 BRACKEN "B" 2070 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 178511 BRACKEN "B" 2083 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 171469 BRACKEN "B" 3070 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 233825 BRACKEN "C" 1093 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 118637 BRACKEN "C" 2093 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 232744 BRACKEN "D" 1010O A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 132930 BRACKEN "D" 2010O A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 177473 BRACKEN "D" 2087 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 176800 BRACKEN "D" 2099 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 179207 BRACKEN "E" 1062 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 129564 BRACKEN "E" 1075 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 144918 BRACKEN "E" 1076 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 129182 BRACKEN "E" 2062 R A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 208458


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRACKEN "E" 2075 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 168200 BRACKEN "E" 2076 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 171796 BRACKEN "F" 1049 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 132941 BRACKEN "F" 2049 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 210839 BRACKEN "G" 101 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 111686 BRACKEN "G" 201 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 222205 BRACKEN EF 25H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 284714 BRACKEN EF A 26H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 284715 BRACKEN ET AL 3ST A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 151707 BRACKEN ET AL 5 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 106497 BRACKEN ET AL 10 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 108684 BRACKEN ET AL 11 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 106932 BRACKEN ET AL 14 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 106498 BRACKEN ET AL 15 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 106934 BRACKEN ET AL 16 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 108828 BRACKEN ET AL 17 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 108219 BRACKEN ET AL 18 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 109057 BRACKEN ET AL 27 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 110250 BRACKEN ET AL 28 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 110827 BRACKEN ET AL 31 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 110831 BRACKEN ET AL 32 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 111163 BRACKEN ET AL 33 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 113575 BRACKEN ET AL 34 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 112491 BRACKEN ET AL 35 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 113705 BRACKEN ET AL 51 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 126360 BRACKEN ET AL 60 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 142613 BRACKEN ET AL 63 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 144062 BRACKEN ET AL 68 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 149486 BRACKEN ET AL 69 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 152867 BRACKEN ET AL 70 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 155321 BRACKEN ET AL 73 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 157264 BRACKEN ET AL 75 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 156708 BRACKEN ET AL 76 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 157247 BRACKEN ET AL 78 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 277775 BRACKEN ET AL 85 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 181932 BRACKEN ET AL 88 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 210837 BRACKEN ET AL 91 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 277776 BRACKEN JV 21H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 282144 BRACKEN JV 22H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 282145 BRACKEN RANCH 37 A.W.P. (OLMOS) AWP OPERATING COMPANY 134016 BRACKEN RANCH 42 A.W.P. (OLMOS) AWP OPERATING COMPANY 157318 BRACKEN RANCH 43R A.W.P. (OLMOS) AWP OPERATING COMPANY 147124 BRACKEN RANCH 46 A.W.P. (OLMOS) AWP OPERATING COMPANY 157316 BRACKEN RANCH 47 A.W.P. (OLMOS) AWP OPERATING COMPANY 158147 BRACKEN RANCH 48 A.W.P. (OLMOS) AWP OPERATING COMPANY 161420 BRACKEN RANCH 55 A.W.P. (OLMOS) AWP OPERATING COMPANY 157317 BRACKEN-JV 1H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 257135 BRACKEN-JV 2H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 260469 BRACKEN-JV 3H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 258983 BRACKEN-JV 5H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 263556 BRACKEN-JV 6 H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 260655


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRACKEN-JV 8H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 264556 BRACKEN-JV 10H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 263806 BRACKEN-JV 11H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 265153 BRACKEN-JV 12H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 265148 BRACKEN-JV 13H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 275627 BRACKEN-JV 14H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 275397 BRACKEN-JV 15H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 276660 BRACKEN-JV 16H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 276170 BRACKEN-JV 20H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 280125 BRACKEN-JV 23H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 280127 BRACKEN-JV 24H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 280126 BRACKEN, "A" 104 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 191801 BRACKEN, R. 1 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 172042 BRACKEN, R. 2 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 171898 BRACKEN, R. 3 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 175781 BRACKEN, R. 4 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 175201 BRACKEN, R. 5 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 176802 BRACKEN, R. 6 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 180328 BRACKEN, R. 7 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 178933 BRACKEN, R. 8 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 180330 BRACKEN, R. 9 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 183044 BRACKEN, R. 10 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 185083 BRACKEN, R. 11 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 201799 BRACKEN, R. 13 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 201827 BRACKEN, R. 14 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 200719 BRACKEN, R. 15 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 205256 BRACKEN, R. 16 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 215738 BRACKEN, R. 17 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 231964 BRACKEN, R. 18 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 232723 BRACKEN, R. 20 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 205258 BRACKEN, R. 21 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 221211 BRACKEN, R. 22R A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 232671 BRACKEN, R. 23 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 226097 BRACKEN, R. 24 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 232726 BRACKEN, R. 25 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 233677 BRACKEN, R. 26 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 238973 BRACKEN, R. 27 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 232728 BRACKEN, R. 28 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 243054 BRACKEN, R. 29 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 243062 BRACKEN, R. 31 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 245147 BRACKEN, R. 32 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 250596 BRACKEN, R. 33H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 247469 BRACKEN, R. 34H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 254474 BRACKEN, R. 35H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 255873 BRACKEN, R. 36H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 256159 BRACKEN, R. 37H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 261044 BRACKEN, R. 38H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 261613 BRACKEN, R. A. A 3H WILDCAT REPSOL OIL & GAS USA, LLC 270501 BRADBERRY UNIT B DIM 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276206 BRASK DUMONT 1H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 266177 BRASK DUMONT 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268195


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRASK DUMONT 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269594 BRELLENTHIN-MARTIN UNIT A 1H HAWKVILLE (EAGLEFORD SHALE) PURSUIT OIL & GAS STX, LLC 284417 BRIGGS 1H BRISCOE RANCH (EAGLEFORD) MURPHY EXPL. & PROD. CO. - USA 258406 BRIGGS 2H BRISCOE RANCH (EAGLEFORD) MURPHY EXPL. & PROD. CO. - USA 260054 BRIGGS 3H BRISCOE RANCH (EAGLEFORD) MURPHY EXPL. & PROD. CO. - USA 261329 BRIGGS RANCH 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 260468 BRIGGS RANCH 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 271956 BRIGGS RANCH 505H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 266324 BRIGGS RANCH B 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 268344 BRIGGS RANCH C 3H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 268963 BRIGGS RANCH D 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 268962 BRIGGS RANCH E 4H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 267201 BRIGGS RANCH G 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 268345 BRIGGS RANCH I 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 269291 BRIGGS RANCH S 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 270366 BRIGGS RANCH D UNIT D 5H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 272635 BRIGGS RANCH G UNIT #1 G 4H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 272163 BRIGGS RANCH G UNIT #2 G 6H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 272102 BRISCOE 3 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 213469 BRISCOE 4 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 213470 BRISCOE 11 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 216436 BRISCOE 16 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 243066 BRISCOE 21 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 220777 BRISCOE 22 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 243059 BRISCOE 29 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 227662 BRISCOE 33 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 244586 BRISCOE 34 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 249646 BRISCOE 43 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 235889 BRISCOE 44 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 241882 BRISCOE 8035 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 237938 BRISCOE G 39H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269606 BRISCOE (5140) 1 CATARINA, SW. (SAN MIGUEL-GAS) FLINT OAK ENERGY, LLC 216202 BRISCOE (5140) 8002 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 220342 BRISCOE (5140) 8007 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 220367 BRISCOE (5140) 8008 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 220370 BRISCOE (5140) 8009 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 221242 BRISCOE (5140) 8010 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 220888 BRISCOE (5140) 8012 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 221218 BRISCOE (5140) 8013 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 251103 BRISCOE (5140) 8016 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 223309 BRISCOE (5140) 8020 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 224554 BRISCOE (5140) 8021 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 224871 BRISCOE (5140) 8023 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 225957 BRISCOE (5140) 8024 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 235763 BRISCOE (5140) 8025 WILDCAT FLINT OAK ENERGY, LLC 226651 BRISCOE (5140) 8027 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 232674 BRISCOE (5140) 8028 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 232675 BRISCOE (5140) 8030 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 232719 BRISCOE (5140) 8032 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 273158 BRISCOE (5140) 8033 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 232687 BRISCOE (5140) 8034 WILDCAT FLINT OAK ENERGY, LLC 233663


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE (5140) 8036 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 232741 BRISCOE (5140) 8037 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 232739 BRISCOE (5140) 8038 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 232742 BRISCOE (5140) 8042 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 241878 BRISCOE (5140) 8045 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 241896 BRISCOE (5140) 8046 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 241898 BRISCOE (5140) 8047 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 241904 BRISCOE (5140) 8050 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 247629 BRISCOE -A- 630 CATARINA, SW. (SAN MIGUEL-GAS) SM ENERGY COMPANY 078768 BRISCOE "B" 1H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 254481 BRISCOE "B" 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 258126 BRISCOE "C" 1H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260168 BRISCOE B 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260439 BRISCOE B 4H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 259766 BRISCOE B 11H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260441 BRISCOE B 302H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 285047 BRISCOE B 313H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 284434 BRISCOE B 322H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 284663 BRISCOE B 327H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 284495 BRISCOE B 333H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 284731 BRISCOE B 342H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 284936 BRISCOE B GU1 5H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260308 BRISCOE B GU1 6H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260307 BRISCOE B GU1 7H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260309 BRISCOE B GU1 14H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269556 BRISCOE B GU1 15H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269555 BRISCOE B GU2 13H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 263604 BRISCOE B GU3 12H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260521 BRISCOE B GU4 STATE 18H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269045 BRISCOE C 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 259583 BRISCOE C 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 259570 BRISCOE C 4H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 258806 BRISCOE C 9H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260495 BRISCOE C 11H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279665 BRISCOE C 12H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279666 BRISCOE C 13H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279649 BRISCOE C 59H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280982 BRISCOE C 60H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281006 BRISCOE C 61H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281007 BRISCOE C (SA1) STATE 108H LORENZO (AUSTIN CHALK) SM ENERGY COMPANY 287452 BRISCOE C GU1 10H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260440 BRISCOE C GU2 5H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260334 BRISCOE CARLA RANCH 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280706 BRISCOE CARLA RANCH 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 257872 BRISCOE CARLA RANCH 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267967 BRISCOE CARLA RANCH 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270964 BRISCOE CARLA RANCH 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270965 BRISCOE CARLA RANCH 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 262985 BRISCOE CARLA RANCH 8H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263751 BRISCOE CARLA RANCH 9H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 261557 BRISCOE CARLA RANCH 10H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267973


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE CARLA RANCH 11H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266562 BRISCOE CARLA RANCH 12H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267958 BRISCOE CARLA RANCH 13H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263870 BRISCOE CARLA RANCH 13HB BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 286833 BRISCOE CARLA RANCH 13HE BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 286834 BRISCOE CARLA RANCH 13HH BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 287116 BRISCOE CARLA RANCH 14H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263871 BRISCOE CARLA RANCH 15H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263872 BRISCOE CARLA RANCH 16H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263323 BRISCOE CARLA RANCH 17H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263869 BRISCOE CARLA RANCH 18H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263539 BRISCOE CARLA RANCH 19H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263724 BRISCOE CARLA RANCH 20H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263725 BRISCOE CARLA RANCH 21H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263726 BRISCOE CARLA RANCH 22H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260660 BRISCOE CARLA RANCH 23H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264136 BRISCOE CARLA RANCH 24H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264178 BRISCOE CARLA RANCH 25H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264135 BRISCOE CARLA RANCH 26H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270918 BRISCOE CARLA RANCH 27H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270919 BRISCOE CARLA RANCH 28H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270971 BRISCOE CARLA RANCH 29H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271305 BRISCOE CARLA RANCH 30H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271083 BRISCOE CARLA RANCH 31H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272002 BRISCOE CARLA RANCH 32H AMMANN (BUDA) SN EF MAVERICK, LLC 271930 BRISCOE CARLA RANCH 32H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271082 BRISCOE CARLA RANCH 33H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270969 BRISCOE CARLA RANCH 34H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270970 BRISCOE CARLA RANCH UNIT A 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277693 BRISCOE CARLA RANCH UNIT A 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277694 BRISCOE CARLA RANCH UNIT A 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277199 BRISCOE CARLA RANCH UNIT A 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277699 BRISCOE CARLA RANCH UNIT A 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277695 BRISCOE CARLA RANCH UNIT A 01HY BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284131 BRISCOE CARLA RANCH UNIT A 01HZ BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284276 BRISCOE CARLA RANCH UNIT B 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278046 BRISCOE CARLA RANCH UNIT B 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278100 BRISCOE CARLA RANCH UNIT B 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278047 BRISCOE CARLA RANCH UNIT B 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278048 BRISCOE CARLA RANCH UNIT B 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278049 BRISCOE CARLA RANCH UNIT B 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278092 BRISCOE CARLA RANCH UNIT B 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278093 BRISCOE CATARINA EAST 5H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 282994 BRISCOE CATARINA EAST 6H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 282870 BRISCOE CATARINA EAST 16H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272285 BRISCOE CATARINA EAST 17H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272283 BRISCOE CATARINA EAST 18H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272490 BRISCOE CATARINA EAST 19H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272328 BRISCOE CATARINA EAST 20H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272346 BRISCOE CATARINA EAST 21H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272284 BRISCOE CATARINA EAST 22H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272347


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE CATARINA EAST 23H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272343 BRISCOE CATARINA EAST 24H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272344 BRISCOE CATARINA EAST 25H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272286 BRISCOE CATARINA EAST GU1 1H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271087 BRISCOE CATARINA EAST GU1 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271086 BRISCOE CATARINA EAST GU1 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271085 BRISCOE CATARINA EAST GU1 4H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 282992 BRISCOE CATARINA EAST GU1 8H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280408 BRISCOE CATARINA EAST GU1 9H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280355 BRISCOE CATARINA EAST GU1 10H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280404 BRISCOE CATARINA EAST GU1 11H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280407 BRISCOE CATARINA EAST GU1 12H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280409 BRISCOE CATARINA EAST GU1 13H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280411 BRISCOE CATARINA EAST GU1 14H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280413 BRISCOE CATARINA EAST GU1 14H LORENZO (AUSTIN CHALK) SM ENERGY COMPANY 282267 BRISCOE CATARINA N UNIT A 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273994 BRISCOE CATARINA N UNIT A 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273996 BRISCOE CATARINA N UNIT A 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 274028 BRISCOE CATARINA N UNIT A 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 274034 BRISCOE CATARINA N UNIT A 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 274063 BRISCOE CATARINA N UNIT A 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 274091 BRISCOE CATARINA N UNIT A 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 274291 BRISCOE CATARINA N UNIT A 8H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 274304 BRISCOE CATARINA N UNIT A 9H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 274310 BRISCOE CATARINA N UNIT A 10H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 274465 BRISCOE CATARINA NORTH 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 259353 BRISCOE CATARINA NORTH 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 265379 BRISCOE CATARINA NORTH 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 265382 BRISCOE CATARINA NORTH 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260658 BRISCOE CATARINA NORTH 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260504 BRISCOE CATARINA NORTH 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260505 BRISCOE CATARINA NORTH 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260879 BRISCOE CATARINA NORTH 8H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260880 BRISCOE CATARINA NORTH 9H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264028 BRISCOE CATARINA NORTH 10H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263315 BRISCOE CATARINA NORTH 11H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263316 BRISCOE CATARINA NORTH 12H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263867 BRISCOE CATARINA NORTH 13H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264008 BRISCOE CATARINA NORTH 14H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264009 BRISCOE CATARINA NORTH 15H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264010 BRISCOE CATARINA NORTH 16H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263540 BRISCOE CATARINA NORTH 17H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264017 BRISCOE CATARINA NORTH 18H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264018 BRISCOE CATARINA NORTH 19H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270642 BRISCOE CATARINA NORTH 20H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266601 BRISCOE CATARINA NORTH 21H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266602 BRISCOE CATARINA NORTH 22H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266607 BRISCOE CATARINA NORTH 23H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266596 BRISCOE CATARINA NORTH 24H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266598 BRISCOE CATARINA NORTH 25H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266600 BRISCOE CATARINA NORTH 26H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266585


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE CATARINA NORTH 27H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266587 BRISCOE CATARINA NORTH 28H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266588 BRISCOE CATARINA NORTH 29H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266583 BRISCOE CATARINA NORTH 30H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266425 BRISCOE CATARINA NORTH 31H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266429 BRISCOE CATARINA NORTH 32H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270800 BRISCOE CATARINA NORTH 33H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270651 BRISCOE CATARINA NORTH 34H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270653 BRISCOE CATARINA NORTH 35H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266899 BRISCOE CATARINA NORTH 36H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266901 BRISCOE CATARINA NORTH 37H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266906 BRISCOE CATARINA NORTH 38H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266907 BRISCOE CATARINA NORTH 39H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266908 BRISCOE CATARINA NORTH 40H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266910 BRISCOE CATARINA NORTH 41H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266720 BRISCOE CATARINA NORTH 42H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266722 BRISCOE CATARINA NORTH 43H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266723 BRISCOE CATARINA NORTH 44H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266938 BRISCOE CATARINA NORTH 45H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266939 BRISCOE CATARINA NORTH 46H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266940 BRISCOE CATARINA NORTH 47H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267120 BRISCOE CATARINA NORTH 48H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267122 BRISCOE CATARINA NORTH 49H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267133 BRISCOE CATARINA NORTH 50H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268330 BRISCOE CATARINA NORTH 51H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268293 BRISCOE CATARINA NORTH 52H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268294 BRISCOE CATARINA NORTH 53H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268295 BRISCOE CATARINA NORTH 54H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268297 BRISCOE CATARINA NORTH 55H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268298 BRISCOE CATARINA NORTH 56H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268456 BRISCOE CATARINA NORTH 57H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268457 BRISCOE CATARINA NORTH 58H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268458 BRISCOE CATARINA NORTH 59H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268481 BRISCOE CATARINA NORTH 60H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268482 BRISCOE CATARINA NORTH 61H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268483 BRISCOE CATARINA NORTH 62H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270625 BRISCOE CATARINA NORTH 63H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270632 BRISCOE CATARINA NORTH 64H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270678 BRISCOE CATARINA NORTH 65H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271036 BRISCOE CATARINA NORTH 66H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270545 BRISCOE CATARINA NORTH 67H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270544 BRISCOE CATARINA NORTH 68H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270591 BRISCOE CATARINA NORTH 69H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270595 BRISCOE CATARINA NORTH 70H AMMANN (BUDA) SN EF MAVERICK, LLC 275922 BRISCOE CATARINA NORTH 70H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270617 BRISCOE CATARINA NORTH 71H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270646 BRISCOE CATARINA NORTH 72H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270624 BRISCOE CATARINA NORTH 73H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270553 BRISCOE CATARINA NORTH 74H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270592 BRISCOE CATARINA NORTH 75H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270593 BRISCOE CATARINA NORTH 76H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270771


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE CATARINA NORTH 77H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270781 BRISCOE CATARINA NORTH 78H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271185 BRISCOE CATARINA NORTH 79H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271188 BRISCOE CATARINA NORTH 80H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270783 BRISCOE CATARINA NORTH 81H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270923 BRISCOE CATARINA NORTH 82H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271108 BRISCOE CATARINA NORTH 83H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270782 BRISCOE CATARINA NORTH 84H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273300 BRISCOE CATARINA NORTH 85H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273240 BRISCOE CATARINA NORTH 86H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273265 BRISCOE CATARINA NORTH 87H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273048 BRISCOE CATARINA NORTH 88H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273144 BRISCOE CATARINA NORTH 89H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273145 BRISCOE CATARINA NORTH 90H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276793 BRISCOE CATARINA NORTH 91H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276777 BRISCOE CATARINA NORTH 92H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280044 BRISCOE CATARINA NORTH 93H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276961 BRISCOE CATARINA NORTH 94H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277085 BRISCOE CATARINA NORTH 95H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277161 BRISCOE CATARINA NORTH 96H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280777 BRISCOE CATARINA NORTH 97H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277141 BRISCOE CATARINA NORTH 98H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277140 BRISCOE CATARINA NORTH 99H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277171 BRISCOE CATARINA NORTH 100H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277263 BRISCOE CATARINA NORTH 101H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277271 BRISCOE CATARINA NORTH 102H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277587 BRISCOE CATARINA NORTH 103H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277350 BRISCOE CATARINA NORTH 104H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277785 BRISCOE CATARINA NORTH 105H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277685 BRISCOE CATARINA NORTH 106H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278628 BRISCOE CATARINA NORTH 107H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277684 BRISCOE CATARINA NORTH 108H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277682 BRISCOE CATARINA NORTH 109H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278635 BRISCOE CATARINA NORTH 110H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277683 BRISCOE CATARINA NORTH 111H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277822 BRISCOE CATARINA NORTH 112H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277936 BRISCOE CATARINA NORTH 113H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277914 BRISCOE CATARINA NORTH 114H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277824 BRISCOE CATARINA NORTH 115H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277825 BRISCOE CATARINA NORTH 116H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279311 BRISCOE CATARINA NORTH 117H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279317 BRISCOE CATARINA NORTH 118H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278816 BRISCOE CATARINA NORTH 119H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278710 BRISCOE CATARINA NORTH 120H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278724 BRISCOE CATARINA NORTH 121H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278711 BRISCOE CATARINA NORTH 122H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278096 BRISCOE CATARINA NORTH 123H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278684 BRISCOE CATARINA NORTH 124H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278032 BRISCOE CATARINA NORTH 125H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277589 BRISCOE CATARINA NORTH 126H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277784 BRISCOE CATARINA NORTH 127H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278685


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE CATARINA NORTH 128H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277972 BRISCOE CATARINA NORTH 129H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277975 BRISCOE CATARINA NORTH 130H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277976 BRISCOE CATARINA NORTH 131H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277977 BRISCOE CATARINA NORTH 132H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278128 BRISCOE CATARINA NORTH 133H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278006 BRISCOE CATARINA NORTH 134H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278127 BRISCOE CATARINA NORTH 135H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278279 BRISCOE CATARINA NORTH 136H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277982 BRISCOE CATARINA RANCH 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 253227 BRISCOE CATARINA RANCH 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 254467 BRISCOE CATARINA RANCH 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 255511 BRISCOE CATARINA RANCH 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260069 BRISCOE CATARINA RANCH 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271430 BRISCOE CATARINA RANCH 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260121 BRISCOE CATARINA RANCH 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260122 BRISCOE CATARINA RANCH 8H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260123 BRISCOE CATARINA RANCH 9H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 257950 BRISCOE CATARINA RANCH 10H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 257881 BRISCOE CATARINA RANCH 11H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267264 BRISCOE CATARINA RANCH 12H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267266 BRISCOE CATARINA RANCH 13H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 257699 BRISCOE CATARINA RANCH 14H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267278 BRISCOE CATARINA RANCH 15H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267388 BRISCOE CATARINA RANCH 16H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260413 BRISCOE CATARINA RANCH 17H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264027 BRISCOE CATARINA RANCH 18H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263654 BRISCOE CATARINA RANCH 19H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260266 BRISCOE CATARINA RANCH 20H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260268 BRISCOE CATARINA RANCH 21H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260269 BRISCOE CATARINA RANCH 22H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267112 BRISCOE CATARINA RANCH 23H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267118 BRISCOE CATARINA RANCH 24H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267119 BRISCOE CATARINA RANCH 25H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266945 BRISCOE CATARINA RANCH 26H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266944 BRISCOE CATARINA RANCH 27H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266946 BRISCOE CATARINA RANCH 28H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267390 BRISCOE CATARINA RANCH 29H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267391 BRISCOE CATARINA RANCH 31H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267392 BRISCOE CATARINA RANCH 32H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267393 BRISCOE CATARINA RANCH 33H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267394 BRISCOE CATARINA RANCH 34H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267556 BRISCOE CATARINA RANCH 35H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267842 BRISCOE CATARINA RANCH 36H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267890 BRISCOE CATARINA RANCH 37H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267898 BRISCOE CATARINA RANCH 38H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267919 BRISCOE CATARINA RANCH 39H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267905 BRISCOE CATARINA RANCH 40H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268318 BRISCOE CATARINA RANCH 41H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268319 BRISCOE CATARINA RANCH 42H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268331 BRISCOE CATARINA RANCH 43H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268320


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE CATARINA RANCH 44H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268332 BRISCOE CATARINA RANCH 45H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268334 BRISCOE CATARINA RANCH 46H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269470 BRISCOE CATARINA RANCH 47H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269486 BRISCOE CATARINA RANCH 48H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269488 BRISCOE CATARINA RANCH 49H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269527 BRISCOE CATARINA RANCH 50H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269528 BRISCOE CATARINA RANCH 51H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269181 BRISCOE CATARINA RANCH 52H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269319 BRISCOE CATARINA RANCH 53H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269379 BRISCOE CATARINA RANCH 54H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269388 BRISCOE CATARINA RANCH 55H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269385 BRISCOE CATARINA RANCH 56H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270884 BRISCOE CATARINA RANCH 57H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270887 BRISCOE CATARINA RANCH 58H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270888 BRISCOE CATARINA RANCH 59H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271010 BRISCOE CATARINA RANCH 60H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270948 BRISCOE CATARINA RANCH 61H AMMANN (BUDA) SN EF MAVERICK, LLC 271864 BRISCOE CATARINA RANCH 61H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270949 BRISCOE CATARINA RANCH 62H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270951 BRISCOE CATARINA RANCH 63H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270978 BRISCOE CATARINA RANCH 64H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271152 BRISCOE CATARINA RANCH 65H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271357 BRISCOE CATARINA RANCH 66H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271274 BRISCOE CATARINA RANCH 67H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271319 BRISCOE CATARINA RANCH 68H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271275 BRISCOE CATARINA RANCH 69H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271320 BRISCOE CATARINA RANCH 70H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271276 BRISCOE CATARINA RANCH 71H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271395 BRISCOE CATARINA RANCH 72H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271396 BRISCOE CATARINA RANCH 73H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271397 BRISCOE CATARINA RANCH 74H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271429 BRISCOE CATARINA RANCH 75H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271504 BRISCOE CATARINA RANCH 76H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271446 BRISCOE CATARINA RANCH 77H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271570 BRISCOE CATARINA RANCH 78H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271572 BRISCOE CATARINA RANCH 79H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271574 BRISCOE CATARINA RANCH 80H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271586 BRISCOE CATARINA RANCH 81H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271590 BRISCOE CATARINA RANCH 82H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271591 BRISCOE CATARINA RANCH 83H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271592 BRISCOE CATARINA RANCH 84H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271593 BRISCOE CATARINA RANCH 85H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271578 BRISCOE CATARINA RANCH 86H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271579 BRISCOE CATARINA RANCH 87H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271580 BRISCOE CATARINA RANCH 88H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271581 BRISCOE CATARINA RANCH 89H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271582 BRISCOE CATARINA RANCH 90H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272161 BRISCOE CATARINA RANCH 91H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272162 BRISCOE CATARINA RANCH 92H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272164 BRISCOE CATARINA RANCH 93H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272166


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------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE CATARINA SOUTH 23H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271771 BRISCOE CATARINA SOUTH 23HR BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284185 BRISCOE CATARINA SOUTH 23HS BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284186 BRISCOE CATARINA SOUTH 23HT BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284229 BRISCOE CATARINA SOUTH 23HU BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284148 BRISCOE CATARINA SOUTH 23HV BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284226 BRISCOE CATARINA SOUTH 23HW BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284227 BRISCOE CATARINA SOUTH 23HX BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284228 BRISCOE CATARINA SOUTH 23HY BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284230 BRISCOE CATARINA SOUTH 23HZ BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284231 BRISCOE CATARINA SOUTH 24H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271774 BRISCOE CATARINA SOUTH 25H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271775 BRISCOE CATARINA SOUTH 26H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271785 BRISCOE CATARINA SOUTH 27H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271776 BRISCOE CATARINA SOUTH 28H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272881 BRISCOE CATARINA SOUTH 29H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272873 BRISCOE CATARINA SOUTH 30H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272912 BRISCOE CATARINA SOUTH 31H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272911 BRISCOE CATARINA SOUTH 32H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272898 BRISCOE CATARINA SOUTH 33H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272803 BRISCOE CATARINA SOUTH 34H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272528 BRISCOE CATARINA SOUTH 35H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272540 BRISCOE CATARINA SOUTH 36H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272529 BRISCOE CATARINA SOUTH 37H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272531 BRISCOE CATARINA SOUTH 38H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272533 BRISCOE CATARINA SOUTH 39H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272727 BRISCOE CATARINA SOUTH 40H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272859 BRISCOE CATARINA SOUTH 41H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272860 BRISCOE CATARINA SOUTH 42H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272867 BRISCOE CATARINA SOUTH 43H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272868 BRISCOE CATARINA SOUTH 44H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272869 BRISCOE CATARINA SOUTH 45H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272877 BRISCOE CATARINA SOUTH 46H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272879 BRISCOE CATARINA SOUTH 47H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272916 BRISCOE CATARINA SOUTH 48H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272918 BRISCOE CATARINA SOUTH 49H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272920 BRISCOE CATARINA SOUTH 50H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272926 BRISCOE CATARINA SOUTH 51H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272987 BRISCOE CATARINA SOUTH 52H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272990 BRISCOE CATARINA SOUTH 53H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273040 BRISCOE CATARINA SOUTH 54H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273047 BRISCOE CATARINA SOUTH 55H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273067 BRISCOE CATARINA SOUTH 56H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273042 BRISCOE CATARINA SOUTH 57H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273063 BRISCOE CATARINA SOUTH 58H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273192 BRISCOE CATARINA SOUTH 59H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273231 BRISCOE CATARINA SOUTH 60H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273233 BRISCOE CATARINA SOUTH 61H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276435 BRISCOE CATARINA SOUTH 62H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276583 BRISCOE CATARINA SOUTH 63H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276753 BRISCOE CATARINA SOUTH 64H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277440


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE CATARINA SOUTH 65H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277442 BRISCOE CATARINA SOUTH 66H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277499 BRISCOE CATARINA SOUTH 67H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277148 BRISCOE CATARINA SOUTH 68H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277259 BRISCOE CATARINA SOUTH 69H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277432 BRISCOE CATARINA SOUTH 70H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277262 BRISCOE CATARINA SOUTH 71H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277278 BRISCOE CATARINA SOUTH 72H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277333 BRISCOE CATARINA SOUTH 73H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277334 BRISCOE CATARINA SOUTH 74H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277335 BRISCOE CATARINA SOUTH 75H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277336 BRISCOE CATARINA SOUTH 76H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277345 BRISCOE CATARINA SOUTH 77H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277125 BRISCOE CATARINA SOUTH 78H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277126 BRISCOE CATARINA SOUTH 79H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277134 BRISCOE CATARINA SOUTH 80H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277136 BRISCOE CATARINA SOUTH 81H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277139 BRISCOE CATARINA SOUTH 82H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276924 BRISCOE CATARINA SOUTH 83H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276708 BRISCOE CATARINA WEST 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 253223 BRISCOE CATARINA WEST 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 253224 BRISCOE CATARINA WEST 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 255483 BRISCOE CATARINA WEST 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 256010 BRISCOE CATARINA WEST 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 256391 BRISCOE CATARINA WEST 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 256197 BRISCOE CATARINA WEST 8H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260189 BRISCOE CATARINA WEST 9H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260871 BRISCOE CATARINA WEST 01HA BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284532 BRISCOE CATARINA WEST 01HB BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284756 BRISCOE CATARINA WEST 01HC BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284144 BRISCOE CATARINA WEST 01HD BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284145 BRISCOE CATARINA WEST 01HU BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284694 BRISCOE CATARINA WEST 01HV BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 285321 BRISCOE CATARINA WEST 01HX BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 285837 BRISCOE CATARINA WEST 01HY BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 285779 BRISCOE CATARINA WEST 10H INDIO TANKS (PEARSALL) SN EF MAVERICK, LLC 258538 BRISCOE CATARINA WEST 12H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260354 BRISCOE CATARINA WEST 13H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260364 BRISCOE CATARINA WEST 14H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260365 BRISCOE CATARINA WEST 15H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260409 BRISCOE CATARINA WEST 16H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260410 BRISCOE CATARINA WEST 17H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260411 BRISCOE CATARINA WEST 18H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 265560 BRISCOE CATARINA WEST 19H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 265564 BRISCOE CATARINA WEST 20H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 265583 BRISCOE CATARINA WEST 21H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266565 BRISCOE CATARINA WEST 22H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266566 BRISCOE CATARINA WEST 23H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266569 BRISCOE CATARINA WEST 24H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267548 BRISCOE CATARINA WEST 25H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267550 BRISCOE CATARINA WEST 26H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267551


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------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE COCHINA EAST RANCH 09HZ BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284695 BRISCOE COCHINA EAST RANCH 10H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 261453 BRISCOE COCHINA EAST RANCH 11H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266348 BRISCOE COCHINA EAST RANCH 12H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264179 BRISCOE COCHINA EAST RANCH 13H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264802 BRISCOE COCHINA EAST RANCH 16H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263648 BRISCOE COCHINA EAST RANCH 17H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264138 BRISCOE COCHINA EAST RANCH 18H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264114 BRISCOE COCHINA EAST RANCH 19H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270962 BRISCOE COCHINA EAST RANCH 20H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271281 BRISCOE COCHINA EAST RANCH 21H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264608 BRISCOE COCHINA EAST RANCH 22H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271640 BRISCOE COCHINA EAST RANCH 23H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271641 BRISCOE COCHINA EAST RANCH 24H AMMANN (BUDA) SN EF MAVERICK, LLC 273518 BRISCOE COCHINA EAST RANCH 24H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270955 BRISCOE COCHINA EAST RANCH 25H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270963 BRISCOE COCHINA EAST RANCH 26H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271283 BRISCOE COCHINA EAST RANCH 27H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271280 BRISCOE COCHINA EAST RANCH 28H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271642 BRISCOE COCHINA EAST RANCH 29H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271645 BRISCOE COCHINA EAST RANCH 30H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271646 BRISCOE COCHINA EAST RANCH 31H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263740 BRISCOE COCHINA EAST RANCH 32H WILDCAT SN EF MAVERICK, LLC 264125 BRISCOE COCHINA EAST RANCH 32H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264120 BRISCOE COCHINA EAST RANCH 34H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271648 BRISCOE COCHINA EAST RANCH 35H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271652 BRISCOE COCHINA EAST RANCH 36H AMMANN (BUDA) SN EF MAVERICK, LLC 273444 BRISCOE COCHINA EAST RANCH 36H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271653 BRISCOE COCHINA EAST RANCH 37H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271654 BRISCOE COCHINA EAST RANCH 38H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271655 BRISCOE COCHINA EAST RANCH 39H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271656 BRISCOE COCHINA EAST RANCH 42H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 274200 BRISCOE COCHINA EAST RANCH 46H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 281574 BRISCOE COCHINA EAST RANCH 47H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 281459 BRISCOE COCHINA EAST RANCH 48H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 281575 BRISCOE COCHINA EAST RANCH 49H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278028 BRISCOE COCHINA EAST RANCH 50H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 275946 BRISCOE COCHINA EAST RANCH 52H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 281107 BRISCOE COCHINA EAST RANCH 53H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 275877 BRISCOE COCHINA EAST RANCH 54H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280031 BRISCOE COCHINA EAST RANCH 55H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280032 BRISCOE COCHINA EAST RANCH 56H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280761 BRISCOE COCHINA EAST RANCH 57H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 275816 BRISCOE COCHINA EAST RANCH 58H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 275815 BRISCOE COCHINA EAST RANCH 59H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276024 BRISCOE COCHINA EAST RANCH 61H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268488 BRISCOE COCHINA EAST RANCH 62H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268455 BRISCOE COCHINA EAST RANCH 63H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268363 BRISCOE COCHINA EAST RANCH 64H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268650 BRISCOE COCHINA EAST RANCH 65H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268824 BRISCOE COCHINA EAST RANCH 66H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268823


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE COCHINA EAST RANCH 67H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268697 BRISCOE COCHINA EAST RANCH 68H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268679 BRISCOE COCHINA EAST RANCH 69H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268680 BRISCOE COCHINA EAST RANCH 70H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268681 BRISCOE COCHINA EAST RANCH 71H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269279 BRISCOE COCHINA EAST RANCH 72H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268885 BRISCOE COCHINA EAST RANCH 73H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276037 BRISCOE COCHINA EAST RANCH 74H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280501 BRISCOE COCHINA EAST RANCH 75H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276561 BRISCOE COCHINA EAST RANCH 76H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280516 BRISCOE COCHINA EAST RANCH 77H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276464 BRISCOE COCHINA EAST RANCH 78H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276463 BRISCOE COCHINA EAST RANCH 80H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276651 BRISCOE COCHINA EAST RANCH 81H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276654 BRISCOE COCHINA EAST RANCH 82H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280536 BRISCOE COCHINA EAST RANCH 103H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277020 BRISCOE COCHINA EAST RANCH 104H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276913 BRISCOE COCHINA EAST RANCH 105H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280498 BRISCOE COCHINA EAST RANCH 106H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280662 BRISCOE COCHINA EAST RANCH 107H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276919 BRISCOE COCHINA EAST RANCH 109H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 281677 BRISCOE COCHINA EAST RANCH 110H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280892 BRISCOE COCHINA EAST RANCH 111H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 286888 BRISCOE COCHINA EAST RANCH 113H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 286337 BRISCOE COCHINA EAST RANCH 114H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280537 BRISCOE COCHINA EAST RANCH 115H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280872 BRISCOE COCHINA EAST RANCH 116H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277258 BRISCOE COCHINA EAST RANCH 117H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277081 BRISCOE COCHINA EAST RANCH 118H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279892 BRISCOE COCHINA EAST RANCH 119H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280034 BRISCOE COCHINA EAST RANCH 120H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280763 BRISCOE COCHINA EAST RANCH 121H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280669 BRISCOE COCHINA EAST RANCH 122H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280663 BRISCOE COCHINA EAST RANCH 123H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280891 BRISCOE COCHINA EAST RANCH 125H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 281310 BRISCOE COCHINA EAST RANCH 126H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 281111 BRISCOE COCHINA EAST RANCH 163H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280894 BRISCOE COCHINA EAST RANCH 164H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280893 BRISCOE COCHINA EAST RANCH 165H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 281572 BRISCOE COCHINA STATE UNIT A 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260501 BRISCOE COCHINA STATE UNIT B 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 261330 BRISCOE COCHINA WEST RANCH 1B AMMANN (BUDA) SN EF MAVERICK, LLC 279086 BRISCOE COCHINA WEST RANCH 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264834 BRISCOE COCHINA WEST RANCH 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 265243 BRISCOE COCHINA WEST RANCH 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 265386 BRISCOE COCHINA WEST RANCH 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264097 BRISCOE COCHINA WEST RANCH 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264703 BRISCOE COCHINA WEST RANCH 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 265132 BRISCOE COCHINA WEST RANCH 8H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 281973 BRISCOE COCHINA WEST RANCH 9H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278865 BRISCOE COCHINA WEST RANCH 10H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278874


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE COCHINA WEST RANCH 12H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267620 BRISCOE COCHINA WEST RANCH 13H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278862 BRISCOE COCHINA WEST RANCH 14H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278860 BRISCOE COCHINA WEST RANCH 15H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278842 BRISCOE COCHINA WEST RANCH 16H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 265137 BRISCOE COCHINA WEST RANCH 17H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 265588 BRISCOE COCHINA WEST RANCH 18H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266349 BRISCOE COCHINA WEST RANCH 19H AMMANN (BUDA) SN EF MAVERICK, LLC 269948 BRISCOE COCHINA WEST RANCH 19H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269931 BRISCOE COCHINA WEST RANCH 21H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269336 BRISCOE COCHINA WEST RANCH 22H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268840 BRISCOE COCHINA WEST RANCH 23H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268835 BRISCOE COCHINA WEST RANCH 25H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268911 BRISCOE COCHINA WEST RANCH 26H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269330 BRISCOE COCHINA WEST RANCH 27H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270193 BRISCOE COCHINA WEST RANCH 28H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269524 BRISCOE COCHINA WEST RANCH 29H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269526 BRISCOE COCHINA WEST RANCH 32H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278312 BRISCOE COCHINA WEST RANCH 33H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278381 BRISCOE COCHINA WEST RANCH 34H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278320 BRISCOE COCHINA WEST RANCH 39H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268453 BRISCOE COCHINA WEST RANCH 40H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268496 BRISCOE COCHINA WEST RANCH 41H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268498 BRISCOE COCHINA WEST RANCH 42H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268302 BRISCOE COCHINA WEST RANCH 43H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268303 BRISCOE COCHINA WEST RANCH 44H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268301 BRISCOE EAST DELGADO UNIT A 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273002 BRISCOE EAST DELGADO UNIT A 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273179 BRISCOE EAST DELGADO UNIT A 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273167 BRISCOE EAST DELGADO UNIT A 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273171 BRISCOE EAST DELGADO UNIT A 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273177 BRISCOE EAST DELGADO UNIT A 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273172 BRISCOE EAST DELGADO UNIT A 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273334 BRISCOE EAST DELGADO UNIT A 8H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273345 BRISCOE EAST DELGADO UNIT A 9H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273347 BRISCOE EAST DELGADO UNIT A 10H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273588 BRISCOE EAST DELGADO UNIT A 11H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273594 BRISCOE EAST DELGADO UNIT A 12H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273596 BRISCOE EAST DELGADO UNIT A 13H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273597 BRISCOE EAST DELGADO UNIT A 14H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273621 BRISCOE EAST DELGADO UNIT A 15H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273657 BRISCOE ECKHARDT-SWONKE UNIT 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271110 BRISCOE ECKHARDT-SWONKE UNIT 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271111 BRISCOE ECKHARDT-SWONKE UNIT 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271116 BRISCOE ECKHARDT-SWONKE UNIT 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271141 BRISCOE ECKHARDT-SWONKE UNIT 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271142 BRISCOE ECKHARDT-SWONKE UNIT 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271143 BRISCOE ECKHARDT-SWONKE UNIT 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271144 BRISCOE FISHER UNIT 01HB BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 288327 BRISCOE FISHER UNIT 01HC BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 288328 BRISCOE FISHER UNIT 01HE BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 288408


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------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE FRIDAY RANCH UNIT B 11H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266592 BRISCOE FRIDAY RANCH UNIT B 12H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266593 BRISCOE FRIDAY RANCH UNIT B 13H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266594 BRISCOE FRIDAY RANCH UNIT B 14H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267344 BRISCOE FRIDAY RANCH UNIT B 15H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267346 BRISCOE FRIDAY RANCH UNIT B 16H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267348 BRISCOE FRIDAY RANCH UNIT B 17H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267386 BRISCOE FRIDAY RANCH UNIT C 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277696 BRISCOE FRIDAY RANCH UNIT C 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277760 BRISCOE FRIDAY RANCH UNIT C 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277761 BRISCOE FRIDAY RANCH UNIT C 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277762 BRISCOE FRIDAY RANCH UNIT C 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277721 BRISCOE FRIDAY RANCH UNIT C 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277763 BRISCOE FRIDAY RANCH UNIT C 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277764 BRISCOE FRIDAY RANCH UNIT C 8H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277766 BRISCOE FRIDAY RANCH UNIT C 9H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277697 BRISCOE FRIDAY RANCH UNIT C 10H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277771 BRISCOE FRIDAY RANCH UNIT C 11H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278111 BRISCOE FRIDAY SMITH 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266340 BRISCOE FRIDAY SMITH 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266341 BRISCOE FRIDAY SMITH 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266342 BRISCOE G 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 254485 BRISCOE G 4H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 258147 BRISCOE G 7H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 264689 BRISCOE G 8H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260600 BRISCOE G 12H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 261412 BRISCOE G 13H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 261616 BRISCOE G 14H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268168 BRISCOE G 15H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268285 BRISCOE G 16H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268283 BRISCOE G 23H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271115 BRISCOE G 24H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271114 BRISCOE G 25H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269605 BRISCOE G 27H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272086 BRISCOE G 28H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272087 BRISCOE G 29H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272278 BRISCOE G 30H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272279 BRISCOE G 31H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272281 BRISCOE G 32H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271948 BRISCOE G 33H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271951 BRISCOE G 34H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271952 BRISCOE G 35H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271940 BRISCOE G 36H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271941 BRISCOE G 37H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270173 BRISCOE G 38H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270177 BRISCOE G 40H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269618 BRISCOE G 42H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271942 BRISCOE G 43H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271823 BRISCOE G 44H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271707 BRISCOE G 45H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271723 BRISCOE G 50H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276888


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE G 55H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272085 BRISCOE G 79H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280984 BRISCOE G 80H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280983 BRISCOE G 81H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280985 BRISCOE G 795H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281081 BRISCOE G 797H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281185 BRISCOE G 797H LORENZO (AUSTIN CHALK) SM ENERGY COMPANY 281247 BRISCOE G 805H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281228 BRISCOE G 807H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281229 BRISCOE G 815H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280995 BRISCOE G 817H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281053 BRISCOE G 825H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280996 BRISCOE G (SA1) 827H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281056 BRISCOE G (SA2) 835H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281065 BRISCOE G (SA3) 837H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281064 BRISCOE G (SA4) 253H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 287234 BRISCOE G (SA5) 1282H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 287062 BRISCOE G (SA6) 1192H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 287061 BRISCOE G (SA7) 1173H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 287082 BRISCOE G GU 1 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 255731 BRISCOE G GU1 (SA) 82H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281023 BRISCOE G GU1 (SA) 83H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281024 BRISCOE G GU1 (SA3) 1253H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 287009 BRISCOE G GU1 (SA4) 1232H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 287005 BRISCOE G GU10 STATE 10H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272417 BRISCOE G GU11 STATE 26H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272411 BRISCOE G GU11 STATE (SA) 59H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276424 BRISCOE G GU11 STATE (SA) 60H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276686 BRISCOE G GU11 STATE (SA) 61H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276423 BRISCOE G GU12 STATE 17H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270155 BRISCOE G GU12 STATE (SA) 53H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 278139 BRISCOE G GU12 STATE (SA) 54H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276690 BRISCOE G GU13 135H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 275930 BRISCOE G GU13 136H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 275932 BRISCOE G GU13 137H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 275931 BRISCOE G GU2 5H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 257949 BRISCOE G GU3 1H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 249111 BRISCOE G GU4 STATE 18H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 265195 BRISCOE G GU4 STATE (SA) 46H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276765 BRISCOE G GU4 STATE (SA) 47H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276427 BRISCOE G GU4 STATE (SA) 48H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276697 BRISCOE G GU4 STATE (SA) 49H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 277226 BRISCOE G GU4 STATE (SA) 51H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276896 BRISCOE G GU4 STATE (SA) 52H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 277453 BRISCOE G GU5 STATE 11H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 264651 BRISCOE G GU5 STATE 11H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 265369 BRISCOE G GU5 STATE (SA) 62H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 275941 BRISCOE G GU5 STATE (SA) 63H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 275940 BRISCOE G GU6 6H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 266860 BRISCOE G GU7 STATE 20H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268595 BRISCOE G GU7 STATE 21H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268596


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE G GU8 STATE 22H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268599 BRISCOE G GU8 STATE (SA1) 642H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 283889 BRISCOE G GU8 STATE (SA2) 653H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 282935 BRISCOE G GU8 STATE (SA3) 662H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 282936 BRISCOE G GU9 STATE 41H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270153 BRISCOE G GU9 STATE (SA) 56H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276425 BRISCOE G GU9 STATE (SA) 57H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276426 BRISCOE G GU9 STATE (SA) 58H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276899 BRISCOE GU1 STATE AR 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 265460 BRISCOE GU1 STATE AR 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269603 BRISCOE GU1 STATE AR 4H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270185 BRISCOE GU2 STATE AR 5H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273035 BRISCOE GU2 STATE AR 6H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273036 BRISCOE GU6 STATE AR 342H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 283949 BRISCOE GU7 STATE AR 347H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 283887 BRISCOE J (SA) 7H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 278484 BRISCOE J (SA) 8H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279088 BRISCOE J (SA1) 92H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 283026 BRISCOE J (SA2) 97H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 283007 BRISCOE J (SA3) 103H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 283027 BRISCOE J (SA4) 463H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 287865 BRISCOE J (SA5) 477H LORENZO (AUSTIN CHALK) SM ENERGY COMPANY 288066 BRISCOE J (SA6) 483H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 287866 BRISCOE J GU2 STATE 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273358 BRISCOE J GU2 STATE 4H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 274566 BRISCOE J GU2 STATE 5H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 274567 BRISCOE J GU3 STATE 34 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280876 BRISCOE J GU3 STATE 34 5H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280877 BRISCOE J GU3 STATE 34 7H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280875 BRISCOE J GU3 STATE 34 7H LORENZO (AUSTIN CHALK) SM ENERGY COMPANY 282262 BRISCOE J STATE (SA) 6H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 278483 BRISCOE METCALF UNIT 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278719 BRISCOE METCALF UNIT 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278815 BRISCOE METCALF UNIT 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278532 BRISCOE METCALF UNIT 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278533 BRISCOE METCALF UNIT 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278680 BRISCOE METCALF UNIT 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278721 BRISCOE METCALF UNIT 01HS BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284337 BRISCOE METCALF UNIT 01HT BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284439 BRISCOE METCALF UNIT 01HU BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284440 BRISCOE METCALF UNIT 01HV BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284298 BRISCOE METCALF UNIT 01HX BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284442 BRISCOE METCALF UNIT 01HY BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284443 BRISCOE METCALF UNIT 01HZ BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284444 BRISCOE METCALF UNIT 02HU BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284445 BRISCOE METCALF UNIT 02HW BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284498 BRISCOE METCALF UNIT 02HX BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284447 BRISCOE METCALF UNIT 02HY BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284486 BRISCOE METCALF UNIT 02HZ BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284438 BRISCOE R 1H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260116 BRISCOE R 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260186


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE R 4H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 263371 BRISCOE R 5H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273679 BRISCOE R 6H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 267457 BRISCOE R 7H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 267458 BRISCOE R 8H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 267052 BRISCOE R 10H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 267050 BRISCOE R 11H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 267051 BRISCOE R 12H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 266173 BRISCOE R 13H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 266861 BRISCOE R 14H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 264517 BRISCOE R 15H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273198 BRISCOE R 16H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273234 BRISCOE R 17H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273253 BRISCOE R 18H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273264 BRISCOE R 22H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281002 BRISCOE R 23H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281000 BRISCOE R 33H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276900 BRISCOE R 34H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276901 BRISCOE R 225H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281255 BRISCOE R 227H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281243 BRISCOE R 227H LORENZO (AUSTIN CHALK) SM ENERGY COMPANY 281254 BRISCOE R 235H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281257 BRISCOE R 237H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281256 BRISCOE R (SA) 21H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281130 BRISCOE R (SA) 31H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276898 BRISCOE R (SA) 32H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276897 BRISCOE R (SA1) 215H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280975 BRISCOE R (SA10) 282H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 286214 BRISCOE R (SA11) 302H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 286207 BRISCOE R (SA12) 353H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 286123 BRISCOE R (SA13) 753H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 285698 BRISCOE R (SA14) 1132H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 285685 BRISCOE R (SA15) 1153H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 285686 BRISCOE R (SA16) 732H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 285688 BRISCOE R (SA17) 793H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 285403 BRISCOE R (SA18) 812H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 285402 BRISCOE R (SA19) STATE 262H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 286210 BRISCOE R (SA2) 217H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281005 BRISCOE R (SA20) STATE 266H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 286211 BRISCOE R (SA21) STATE 252H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 286209 BRISCOE R (SA22) 437H LORENZO (AUSTIN CHALK) SM ENERGY COMPANY 288278 BRISCOE R (SA23) 443H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 288067 BRISCOE R (SA24) 457H LORENZO (AUSTIN CHALK) SM ENERGY COMPANY 288277 BRISCOE R (SA3) 713H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 284626 BRISCOE R (SA4) 717H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 284423 BRISCOE R (SA5) 373H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 285803 BRISCOE R (SA6) 367H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 285804 BRISCOE R (SA7) 362H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 285801 BRISCOE R (SA8) 293H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 286383 BRISCOE R (SA9) 287H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 286153 BRISCOE R GU1 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260584


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE R GU3 19H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 274565 BRISCOE R GU3 20H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273258 BRISCOE R GU4 STATE 162 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280553 BRISCOE R GU4 STATE 162 5H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280554 BRISCOE R GU4 STATE 162 7H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280555 BRISCOE R GU4 STATE 162 7H LORENZO (AUSTIN CHALK) SM ENERGY COMPANY 282378 BRISCOE R GU5 STATE 145H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281009 BRISCOE R GU5 STATE 146H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281010 BRISCOE R GU5 STATE 147H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281020 BRISCOE R GU5 STATE 1483H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281219 BRISCOE R GU5 STATE 1487H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281063 BRISCOE R GU6 STATE 1423H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281131 BRISCOE R GU6 STATE 1433H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281096 BRISCOE R GU6 STATE 1443H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281091 BRISCOE RANCH EF 1 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 263850 BRISCOE RANCH EF 2 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 269334 BRISCOE RANCH EF 3 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 269335 BRISCOE RANCH EF 4 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 270555 BRISCOE RANCH EF 5 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 274152 BRISCOE RANCH EF 6 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 272616 BRISCOE RANCH EF 7 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 272613 BRISCOE RANCH EF 8 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 276955 BRISCOE RANCH EF 9 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 272410 BRISCOE RANCH EF 10 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 272615 BRISCOE RANCH EF 11 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 274036 BRISCOE RANCH EF 12 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 273566 BRISCOE RANCH EF 13 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 273565 BRISCOE RANCH EF 14 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 273781 BRISCOE RANCH EF 15 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 273782 BRISCOE RANCH EF 16 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 274744 BRISCOE RANCH EF 17 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 272388 BRISCOE RANCH EF 18 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 272395 BRISCOE RANCH EF 19 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 272565 BRISCOE RANCH EF 20 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 274088 BRISCOE RANCH EF 21 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 272611 BRISCOE RANCH EF 22 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 274089 BRISCOE RANCH EF 23 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 272612 BRISCOE RANCH EF 24R BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 277116 BRISCOE RANCH EF 25 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 273794 BRISCOE RANCH EF 26 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 273793 BRISCOE RANCH EF 27 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 273792 BRISCOE RANCH EF 28 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 274296 BRISCOE RANCH EF 29 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 273788 BRISCOE RANCH EF 30 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 273783 BRISCOE RANCH EF 31 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 273740 BRISCOE RANCH EF 32 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 277414 BRISCOE RANCH EF 33 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 277412 BRISCOE RANCH EF 34 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 277698 BRISCOE RANCH EF 35 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 277177 BRISCOE RANCH EF 36 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 277415 BRISCOE RANCH EF 37 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 276962


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE RANCH EF 38 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 277413 BRISCOE RANCH EF 39 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 282193 BRISCOE RANCH EF 3701 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 277028 BRISCOE RANCH EF 3801 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 277754 BRISCOE RANCH UNIT A DIM 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276725 BRISCOE RANCH 1141 13H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 265422 BRISCOE RANCHES, INC. 1750 APPURCEON (OLMOS) FLINT OAK ENERGY, LLC 109908 BRISCOE RANCHES, INC. 7152 APPURCEON (OLMOS) FLINT OAK ENERGY, LLC 091512 BRISCOE SANER 3047 CHITTIM (GEORGETOWN) PATTERSON ENERGY CORPORATION 193138 BRISCOE SPRINGMAN UNIT A 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271594 BRISCOE SPRINGMAN UNIT A 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271595 BRISCOE SPRINGMAN UNIT A 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271601 BRISCOE SPRINGMAN UNIT A 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271596 BRISCOE SPRINGMAN UNIT A 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271604 BRISCOE SPRINGMAN UNIT A 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271627 BRISCOE SPRINGMAN UNIT A 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271628 BRISCOE SPRINGMAN UNIT B 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271686 BRISCOE SPRINGMAN UNIT B 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271687 BRISCOE SPRINGMAN UNIT B 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271704 BRISCOE SPRINGMAN UNIT B 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271705 BRISCOE SPRINGMAN UNIT B 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271706 BRISCOE SPRINGMAN UNIT B 6H AMMANN (BUDA) SN EF MAVERICK, LLC 277692 BRISCOE SPRINGMAN UNIT B 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271709 BRISCOE STATE AR 8H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 277464 BRISCOE STATE AR 9H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273195 BRISCOE STATE AR 12H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 277463 BRISCOE STATE AR 13H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 277462 BRISCOE STATE AR (SA) 11H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 278480 BRISCOE STATE AR (SA1) 20H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281025 BRISCOE STATE AR (SA2) 21H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281026 BRISCOE STATE AR (SA3) 22H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281075 BRISCOE STATE AR (SA4) 215H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281055 BRISCOE STATE AR (SA5) 225H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281070 BRISCOE STATE AR (SA6) 207H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281082 BRISCOE STATE AR (SA6) 207H LORENZO (AUSTIN CHALK) SM ENERGY COMPANY 282274 BRISCOE STATE AR (SA7) 217H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281079 BRISCOE STATE AR (SA8) 227H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281060 BRISCOE THON UNIT 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271708 BRISCOE THON UNIT 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271724 BRISCOE THON UNIT 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271725 BRISCOE THON UNIT 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271728 BRISCOE THON UNIT 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271730 BRISCOE-MANRY EF GU A 45H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 282951 BRISCOE-MANRY 1469 EF 38H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 278708 BRISCOE-MANRY 1469 EF 39H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 278637 BRISCOE-MANRY 1469 EF 40H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279861 BRISCOE-MANRY 1469 EF 41H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279865 BRISCOE-MANRY 1469 EF 42H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 281052 BRISCOE-MANRY 1469 EF 43H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 281289 BRISCOE-MANRY 1469 EF 44H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 283383 BRISCOE-MCKNIGHT 1597H PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 256854


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE-MCKNIGHT 1597XH BRISCOE RANCH (EAGLEFORD) EL TORO RESOURCES LLC 266351 BRISCOE-MCKNIGHT 2401H BRISCOE RANCH (EAGLEFORD) EL TORO RESOURCES LLC 265726 BRISCOE-MCKNIGHT 5972XH BRISCOE RANCH (EAGLEFORD) EL TORO RESOURCES LLC 272273 BRISCOE-NUNLEY "A" 1H HAWKVILLE (EAGLEFORD SHALE) PROLINE ENERGY RESOURCES INC 268487 BRISCOE-NUNLEY GU 1H JUNCO (EAGLE FORD SHALE) PROLINE ENERGY RESOURCES INC 256687 BRISCOE-SANER 133H TWO M (GEORGETOWN) PATTERSON ENERGY CORPORATION 251300 BRISCOE-SANER 1046 PRICKLY PEAR (GLEN ROSE) PATTERSON ENERGY CORPORATION 188396 BRISCOE-SANER 2047 PRICKLY PEAR (GLEN ROSE) PATTERSON ENERGY CORPORATION 186238 BRISCOE/HULSMAN 1706 CATARINA, SW. (SAN MIGUEL-GAS) LEWIS PETRO PROPERTIES, INC. 164852 BRISCOE, CHIP "A" 45 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 229815 BRISCOE, CHIP "A" 46 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 229814 BRISCOE, CHIP "B" 47 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 242022 BRISCOE, CHIP A 69 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 244932 BRISCOE, DOLPH "B" 41 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 221539 BRISCOE, DOLPH "B" 42 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 221505 BRISCOE, DOLPH "B" 43 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 222212 BRISCOE, DOLPH "B" 49 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 243065 BRISCOE, DOLPH "B" 54 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 229816 BRISCOE, DOLPH "B" 55 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 229955 BRISCOE, DOLPH "B" 56 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 229956 BRISCOE, DOLPH "B" 62 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 230054 BRISCOE, DOLPH "B" 65 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 231970 BRISCOE, DOLPH "B" 105 CATARINA, SW. (OLMOS) FLINT OAK ENERGY, LLC 241887 BRISCOE, DOLPH "B" 110 CATARINA, SW. (OLMOS) FLINT OAK ENERGY, LLC 241733 BRISCOE, DOLPH "D" 50 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 230414 BRISCOE, DOLPH "E" 53 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 222216 BRISCOE, DOLPH B 68 BRISCOE RANCH (OLMOS) FLINT OAK ENERGY, LLC 241924 BROWN 1 BIG FOOT, N. (OLMOS) PROPERTY DEVELOPMENT GROUP, INC. 173127 BROWN 2 BIG FOOT, WEST (GAS) PROPERTY DEVELOPMENT GROUP, INC. 175945 BROWN DISTRIBUTING 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 258900 BROWN DISTRIBUTING 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 258106 BROWN DISTRIBUTING A 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260597 BROWN DISTRIBUTING A 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260515 BROWN DISTRIBUTING A 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271389 BROWN TRUST UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 261085 BROWN TRUSTS UNIT 3 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 264016 BROWN-DYKE UNIT 3 1H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 271745 BROWN-DYKE UNIT 3 2H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 271743 BROWN-TRUSTS 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 255434 BROWN-TRUSTS 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 257681 BROWN-TRUSTS 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 258271 BROWN-TRUSTS 5H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271387 BROWN-TRUSTS 6H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 261086 BROWN-TRUSTS 7H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271569 BROWN-TRUSTS 8H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271169 BROWN-TRUSTS 9H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271183 BROWN-TRUSTS 10H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271424 BROWN-TRUSTS 11H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271420 BROWN-TRUSTS 31H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 277882 BROWN-TRUSTS 32H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 277931 BROWN-TRUSTS 33H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 277881


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BROWN-TRUSTS 34H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 278627 BROWN-TRUSTS 35H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 278605 BROWN-TRUSTS 36H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 278626 BROWN-TRUSTS UNIT 2 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271748 BROWN-TRUSTS UNIT 4 2H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 273595 BROWN-TRUSTS UNIT 5 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 276454 BROWN-TRUSTS UNIT 6 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 276456 BROWN, EDGAR A. 1 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000024 BROWN, S. M. 1 VINEGARONE (STRAWN) BAKER RESOURCES 077182 BRUNI-SUMMERS 1H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 264729 BRUNI-SUMMERS 3H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 284487 BRUNI-SUMMERS 4H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 283876 BUCHANAN, E. A. 1 WILLIFORD (1650) LA RONYA OIL & GAS 086176 BUCHANAN, E. A. 3 DOUGLAS (FRIO 1560) LA RONYA OIL & GAS 105666 BUFFALO 1121 WILDCAT RIO-TEX, INC. 205637 BUNGER "30" 1 PANDALE (CANYON SAND) BONFIRE OPERATING LLC 196271 BUNGER "30" 2 PANDALE (CANYON SAND) BONFIRE OPERATING LLC 196272 BUNGER "30" 3 PANDALE (CANYON SAND) BONFIRE OPERATING LLC 206705 BUNGER "30" 4 PANDALE (CANYON SAND) BONFIRE OPERATING LLC 202546 BUNGER "30" 5 PANDALE (CANYON SAND) BONFIRE OPERATING LLC 196012 BUNGER "30" 6 PANDALE (CANYON SAND) BONFIRE OPERATING LLC 209211 BUNGER "30" 7 PANDALE (CANYON SAND) BONFIRE OPERATING LLC 209799 BUNGER "30" 8 PANDALE (CANYON SAND) BONFIRE OPERATING LLC 207226 BUNGER "30" 9 PANDALE (CANYON SAND) BONFIRE OPERATING LLC 207616 BUNGER "30" 10 PANDALE (CANYON SAND) BONFIRE OPERATING LLC 212106 BUNGER "30" 11 PANDALE (CANYON SAND) BONFIRE OPERATING LLC 213038 BUNGER "5" 1 BAXTER-WENTWORTH (CANYON SAND) OXY USA INC. 204704 BUNGER "5" 2 SIMPSON-MANN (CANYON) OXY USA INC. 202985 BUNGER "5" 3 SIMPSON-MANN (CANYON) OXY USA INC. 204705 BUNGER "5" 5 SIMPSON-MANN (CANYON) OXY USA INC. 209357 BUNGER 31 1 BAXTER-WENTWORTH (CANYON SAND) TIDWELL PRODUCTION COMPANY 122593 BURKHOLDER 1H ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 280138 BURKHOLDER 5 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 243076 BURKHOLDER 5 ENCINAL (5800) LEWIS PETRO PROPERTIES, INC. 046077 BURKHOLDER 6 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 243075 BURKHOLDER 7 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 243363 BURKHOLDER 8 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 244588 BURKHOLDER 8 ENCINAL (5800) LEWIS PETRO PROPERTIES, INC. 249666 BURKHOLDER 9 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 244585 BURKHOLDER 498 2 ENCINAL (5800) LEWIS PETRO PROPERTIES, INC. 160575 BURKHOLDER, NELL JONES GAS UNIT 1 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 223623 BURKHOLDER, NELL JONES GAS UNIT 2 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 235223 BURKHOLDER, NELL JONES GAS UNIT 3 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 234007 BURKHOLDER, NELL JONES GAS UNIT 4 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 234006 BURKHOLDER, NELL JONES GAS UNIT 5 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 240103 BURKHOLDER, NELL JONES GAS UNIT 6 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 240108 BURKS RANCH 2H HAWKVILLE (EAGLEFORD SHALE) XTO ENERGY INC. 259883 BURKS RANCH C 3H HAWKVILLE (EAGLEFORD SHALE) XTO ENERGY INC. 284519 BURKS RANCH C 8H HAWKVILLE (EAGLEFORD SHALE) XTO ENERGY INC. 283129 BURKS RANCH D 1H HAWKVILLE (EAGLEFORD SHALE) XTO ENERGY INC. 287453 BURKS RANCH D 3H HAWKVILLE (EAGLEFORD SHALE) XTO ENERGY INC. 288369


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BURKS RANCH D 5H HAWKVILLE (EAGLEFORD SHALE) XTO ENERGY INC. 288266 BURKS RANCH "D" 5W JOHN T. SAUNDERS (WILCOX 5380) 2 D OIL & GAS LLC 254818 BURKS RANCH "B" 4R JOHN T. SAUNDERS (WILCOX) XTO ENERGY INC. 222570 BURKS RANCH "E" 9 JOHN T. SAUNDERS (WILCOX 5120) XTO ENERGY INC. 232128 BURKS RANCH "E" 9 JOHN T. SAUNDERS (WILCOX 5380) XTO ENERGY INC. 235695 BURKS RANCH "F" 11 JOHN T. SAUNDERS (WILCOX 5120) TEXAS SOUTHERN PETROLEUM CORP. 243069 BURNITT, PAULINE D. 1 MILANO, EAST (BUDA) ARBOL RESOURCES, INC. 124756 BURNITT, PAULINE D. 3 MILANO, EAST (BUDA) ARBOL RESOURCES, INC. 191127 BURR "C" 1231XD TWO M (GEORGETOWN) FIELD PETROLEUM CORP. 214359 BURR "D" 1H LOS CUATROS (LOWER CRETACEOUS) FIELD PETROLEUM CORP. 252815 BURR ESTATE 1 LOS CUATROS (LOWER CRETACEOUS) HORIZON ENERGY 077342 BURR RANCH -7- 1A LOS CUATROS (LOWER CRETACEOUS) HORIZON ENERGY 077334 C. N. COOKE "B" UNIT 28B COOKE RANCH (OLMOS) LEWIS PETRO PROPERTIES, INC. 203301 CAGE 1TV BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 254469 CAGE 2TV INDIO TANKS (PEARSALL) SN EF MAVERICK, LLC 254758 CAGE 3TV INDIO TANKS (PEARSALL) SN EF MAVERICK, LLC 256990 CAGE 4RB BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264839 CAGE 5TV BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264105 CAGE 6TV BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260606 CAGE 7TV BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264106 CAGE 8TV BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263743 CAGE 9TV BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268306 CALVERT, J. H. 1 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 071635 CALVERT, J. H. 2 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 226045 CAMPBELL-HAHN UNIT 1 DUBOSE (EDWARDS -A-) YATES ENERGY CORPORATION 172244 CANGELOSI 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 261353 CANYON RANCH 152E JACK RABBIT (HOLMAN) UPP OPERATING, LLC 193136 CANYON RANCH 501EH KELLEY (ELLENBURGER) UPP OPERATING, LLC 157234 CANYON RANCH 505E KELLEY (ELLENBURGER) UPP OPERATING, LLC 201818 CANYON RANCH 0051EH KELLEY (ELLENBURGER) UPP OPERATING, LLC 152134 CANYON RANCH 0052EH KELLEY (ELLENBURGER) UPP OPERATING, LLC 155035 CANYON RANCH 0901E FRANCES HILL (PENN) UPP OPERATING, LLC 053098 CANYON RANCH 0902E FRANCES HILL (PENN) UPP OPERATING, LLC 055132 CANYON RANCH 0903E FRANCES HILL (PENN) UPP OPERATING, LLC 126129 CANYON RANCH 1072E FRANCES HILL (PENN) UPP OPERATING, LLC 056700 CANYON RANCH 1101E FRANCES HILL (PENN) UPP OPERATING, LLC 056701 CANYON RANCH 1122E JACK RABBIT (HOLMAN) UPP OPERATING, LLC 138627 CANYON RANCH 1134E JACK RABBIT (HOLMAN) UPP OPERATING, LLC 199877 CANYON RANCH 1271SH KELLEY (ELLENBURGER) UPP OPERATING, LLC 163401 CANYON RANCH 2102E KELLEY (ELLENBURGER) UPP OPERATING, LLC 196258 CANYON RANCH 2122E KELLEY (ELLENBURGER) UPP OPERATING, LLC 196155 CANYON RANCH 2131EH KELLEY (ELLENBURGER) UPP OPERATING, LLC 154840 CANYON RANCH 2132EH KELLEY (ELLENBURGER) UPP OPERATING, LLC 157987 CANYON RANCH 2133EH KELLEY (ELLENBURGER) UPP OPERATING, LLC 161879 CANYON RANCH 2141EH KELLEY (ELLENBURGER) UPP OPERATING, LLC 162269 CANYON RANCH 2142E KELLEY (ELLENBURGER) UPP OPERATING, LLC 196154 CANYON RANCH 2162SH KELLEY (ELLENBURGER) UPP OPERATING, LLC 169757 CANYON RANCH 2201E KELLEY (ELLENBURGER) UPP OPERATING, LLC 136556 CANYON RANCH 2202EH KELLEY (ELLENBURGER) UPP OPERATING, LLC 149395 CANYON RANCH 2204EH KELLEY (ELLENBURGER) UPP OPERATING, LLC 160937 CANYON RANCH 5012EH KELLEY (ELLENBURGER) UPP OPERATING, LLC 164741


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ CANYON RANCH SWD 3 FRANCES HILL (CANYON) UPP OPERATING, LLC 055621 CANYON RANCH 212 3E KELLEY (ELLENBURGER) UPP OPERATING, LLC 200451 CANYON RANCH 213 11E KELLEY (ELLENBURGER) UPP OPERATING, LLC 199939 CARDEN EF 1H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 260067 CARDEN EF 5H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 269582 CARDEN EF 6H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 266926 CARDEN EF 7H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 267766 CARDEN EF 8H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 268993 CARDEN WEST EF 1H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 271200 CARDEN WEST EF 2H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 271084 CARDEN WEST EF 3H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 271682 CARDEN-BAETZ A EF 2H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 282745 CARDEN-BAETZ B EF UNIT 1H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 282841 CARLA SOUTH SPUR UNIT A 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277594 CARNES 1 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 208914 CARNES 2 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 221329 CAROLINE PIELOP 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 254442 CAROLINE PIELOP 4H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 254447 CAROLINE PIELOP 11H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271422 CAROLINE PIELOP UNIT 10 10H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271390 CAROLINE PIELOP UNIT 2 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 254449 CAROLINE PIELOP UNIT 5 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 274514 CAROLINE PIELOP UNIT 5 5H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260230 CAROLINE PIELOP UNIT 6 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270059 CAROLINE PIELOP UNIT 7 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272348 CAROLINE PIELOP UNIT 7 7H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260232 CAROLINE PIELOP UNIT 9 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 268686 CAROLINE PIELOP UNIT 9 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273113 CARON 2 CARON RANCH (1300) CHALLENGER OIL INC 125827 CARPENTER 1 JACK MANN (PENN) TRIPLE G OPERATING, LLC 222339 CARTER 1 BANDERA (ELLENBURGER) PATTERSON ENERGY CORPORATION 253768 CARTWRIGHT A 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 266330 CARTWRIGHT A 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 266331 CARTWRIGHT B 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 266325 CARTWRIGHT D 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 267024 CARTWRIGHT F 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 267354 CARTWRIGHT G 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 284110 CARTWRIGHT G 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 267811 CARTWRIGHT G 3H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 284111 CARTWRIGHT G 4H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 284112 CARTWRIGHT "A" 1 COOKE (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 151609 CAUTHORN -A- 1 VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 000498 CAUTHORN -A- 49C VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 150759 CAUTHORN -A- 49D VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 157635 CAUTHORN -A- 49E VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 165989 CAUTHORN -A- 49F VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 203659 CAUTHORN -B- 1 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 000501 CAUTHORN -B- 2 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 090878 CAUTHORN -B- 3 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 157238 CAUTHORN -B- 4 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 161637 CAUTHORN -B- 5 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 171896


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ CAUTHORN -B- 7 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 173360 CAUTHORN -B- 9 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 214219 CAUTHORN -C- 1 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 000497 CAUTHORN -C- 2 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 090529 CAUTHORN -C- 3 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 162573 CAUTHORN -C- 4 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 167369 CAUTHORN -C- 5 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 171800 CAUTHORN -C- 6 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 174457 CAUTHORN -D- 1 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 000502 CAUTHORN -D- 4 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 167621 CAUTHORN -D- 5 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 172137 CAUTHORN -D- 6 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 173538 CAUTHORN -D- 7 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 173879 CAUTHORN -D- 8 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 178552 CAUTHORN -E- 2 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 176763 CAUTHORN -F- 1 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 059867 CAUTHORN -F- 4 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 213633 CAUTHORN -F- 5 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 222926 CAUTHORN -G- 1 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 084357 CAUTHORN -G- 3 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 183454 CAUTHORN -H- 1 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 196277 CAUTHORN -J- 1 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 205493 CAUTHORN -11- 1 VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 062055 CAUTHORN -16- 1 HOLMAN RANCH, N (PENN) UPP OPERATING, LLC 054396 CAUTHORN -85- 1 HOLMAN RANCH, N (PENN) UPP OPERATING, LLC 056149 CAUTHORN -85- 3 HOLMAN RANCH, N (PENN) UPP OPERATING, LLC 088831 CAUTHORN -86- 1 HOLMAN RANCH, N (PENN) UPP OPERATING, LLC 054353 CAUTHORN "B" 8 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 187732 CAUTHORN "G" 2 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 178535 CAUTHORN "85" 4 HOLMAN RANCH, N (PENN) UPP OPERATING, LLC 163608 CAUTHORN "86" 3 HOLMAN RANCH, N (PENN) UPP OPERATING, LLC 167918 CAUTHORN 3 2 VINEGARONE (STRAWN) THOMPSON, J. CLEO 174615 CAUTHORN 3 3 VINEGARONE (STRAWN) THOMPSON, J. CLEO 198088 CAUTHORN 3 4 VINEGARONE (STRAWN) THOMPSON, J. CLEO 207229 CAUTHORN, ADAH -11- 2 VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 089368 CAUTHORN, ADDAH 1010 VINEGARONE (STRAWN) BAKER RESOURCES 052352 CAUTHRON -D- 9 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 183314 CAUTHRON "C" 8 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 184831 CENIZO 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284999 CERRITO 31H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 283748 CERRITO 32H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 283749 CERRITO 33H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 284040 CERRITO 36HR BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 287486 CERRITO 37HR AMMANN (BUDA) ESCONDIDO RESOURCES OPER CO, LLC 287623 CERRITO 37HR BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 287277 CERRITO STATE 9H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 272783 CHALOS ABRAS GU A 3H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280515 CHALOS ABRAS GU B 4H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280745 CHALOS MINERALS 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260211 CHALOS MINERALS 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 264331 CHAMBERLAIN STATE 1496 GU 5H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 265085


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------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ CHATO 24 20 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 195484 CHATO 24 21 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 193569 CHATO 24 23 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 203290 CHATO 27 2 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 181658 CHATO 27 3 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 187289 CHATO 27 3A SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 187234 CHATO 27 4 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 185421 CHATO 27 5 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 182821 CHATO 27 6 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 185419 CHATO 27 7 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 184725 CHATO 27 24 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 187230 CHATO 27 29 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 186847 CHATO 27 50 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 235729 CHATO 27 86 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 274807 CHATO 28 30 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 233816 CHATO 28 "C" 53 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 251823 CHATO 28 A 12 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 191317 CHATO 28 B 34 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 203973 CHATO 28 C 46 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 233820 CHATO 28 C 48 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 235515 CHATO 28 C 49 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 243844 CHATO 28 C 52 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 236433 CHATO 28 D 39 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 233689 CHATO 28 D 40 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 233819 CHILDRESS 15 3 KELLEY (ELLENBURGER) UPP OPERATING, LLC 251718 CHILES, M. R., GAS UNIT #1 1 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000025 CHILES, M. R., GAS UNIT #1 2 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000026 CHITTIM 1 CHONAN (S.M.D.) NATIONAL SURFACE & MINERALS, LLC 145261 CHITTIM 3 CHITTIM (5600) ESCO OIL OPERATING COMPANY LLC 000128 CHITTIM 5 CHITTIM (5600) ESCO OIL OPERATING COMPANY LLC 000129 CHITTIM 6 CHITTIM (5600) ESCO OIL OPERATING COMPANY LLC 000130 CHITTIM 23 CHITTIM (5600) CONWAY ENERGY OPER SERVICES INC. 125094 CHITTIM 1140 CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 194029 CHITTIM 1141 CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 189043 CHITTIM 1142 CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 188814 CHITTIM 1144H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 195714 CHITTIM 1157H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 198203 CHITTIM 1159H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 196021 CHITTIM 1160H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 203977 CHITTIM 1176H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 230589 CHITTIM 1187 CHITTIM (GEORGETOWN) ESCO OIL OPERATING COMPANY LLC 177494 CHITTIM 2127H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 233338 CHITTIM 2128 CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 191498 CHITTIM 2130 CHITTIM (5000) ESCO OIL OPERATING COMPANY LLC 179623 CHITTIM 2140 CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 193942 CHITTIM 2141 CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 196504 CHITTIM 2143 CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 191373 CHITTIM 2144H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 198579 CHITTIM 2157H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 198522 CHITTIM 2159H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 207416 CHITTIM 3129HC CHITTIM (5000) ESCO OIL OPERATING COMPANY LLC 230545


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ CHITTIM 3129HT CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 238008 CHITTIM 3130H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 205642 CHITTIM 3141H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 202199 CHITTIM 3142 H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 212561 CHITTIM 3143H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 198578 CHITTIM 3158H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 200481 CHITTIM 4128HC CHITTIM (5000) ESCO OIL OPERATING COMPANY LLC 230151 CHITTIM 4128HT CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 230149 CHITTIM 4129H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 202551 CHITTIM 4143H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 198524 CHITTIM 5128H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 204368 CHITTIM G 1104 CHITTIM (5600) ESCO OIL OPERATING COMPANY LLC 220307 CHITTIM RANCH 1 CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 162930 CHITTIM RANCH 1127 CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 192403 CHITTIM RANCH 1291 CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 162996 CHITTIM RANCH 1292 CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 168194 CHITTIM RANCH 1431 CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 163096 CHITTIM RANCH 1581 CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 170673 CHITTIM RANCH 1582 CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 167679 CHITTIM RANCH 3128 CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 192395 CHITTIM 131 1131H CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 213009 CHITTIM, ANNIE 22 CHITTIM (5600) CONWAY ENERGY OPER SERVICES INC. 098624 CHITTIM, ANNIE E 1151 CHITTIM (5600) CONWAY ENERGY OPER SERVICES INC. 181416 CHITTIM, ANNIE E. 14JC CHITTIM (GEORGETOWN) CONWAY ENERGY OPER SERVICES INC. 056203 CHITTIM, ANNIE E. 14JT CHITTIM (4900) CONWAY ENERGY OPER SERVICES INC. 056202 CHITTIM, ANNIE E. 21 CHITTIM (5600) CONWAY ENERGY OPER SERVICES INC. 096975 CHITTIM, ANNIE E. R 1 CHITTIM (5600) DOLPHIN PETROLEUM, LP 000124 CHITTIM, ANNIE E. R 17 CHITTIM (5600) CONWAY ENERGY OPER SERVICES INC. 000127 CHITTIM, ANNIE E. X 1 CHITTIM (5600) DOLPHIN PETROLEUM, LP 000125 CHITTIM, ANNIE E. 1141 CHITTIM (5400) ESCO OIL OPERATING COMPANY LLC 094675 CHITTIM, ANNIE E. 1161 CHITTIM, E. (RODESSA 5310) ESCO OIL OPERATING COMPANY LLC 108368 CHITTIM, ANNIE E. 1421 CHITTIM, E. (RODESSA 5300) ESCO OIL OPERATING COMPANY LLC 093061 CHITTIM, ANNIE E. (115) 7MJ CHITTIM (GEORGETOWN) CONWAY ENERGY OPER SERVICES INC. 053971 CHITTIM, ANNIE E. -KJ- 1 CHITTIM (5600) CONWAY ENERGY OPER SERVICES INC. 053244 CHITTIM, ANNIE E. -PJ- 3 CHITTIM (5000) CONWAY ENERGY OPER SERVICES INC. 053735 CHITTIM, ANNIE E., (LJ) 8 CHITTIM (5600) CONWAY ENERGY OPER SERVICES INC. 055877 CHUCURECO A 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 286060 CIERVO 1 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 229763 CIERVO 2 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 229810 CIERVO 4 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 230680 CIERVO 5 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 235906 CIERVO 6 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 249341 CIERVO 7 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 249351 CIERVO 8 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 234878 CIERVO 9 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 233671 CITATION 1EH EAGLEVILLE (EAGLE FORD-1) PAYROCK II, LLC 286893 CLAUNCH, B. C. 3 CALLIHAM, SOUTH (JACKSON) TROTTER-HOWLING & HATTAWAY 000087 CLAYTON HAMILTON 1601 BETH (OLMOS 2-B SAND) HAMILTON, CLAY 285839 CLAYTON, T. M. 1 JORDAN (NAVARRO B) SHOREHAM OIL & GAS COMPANY, INC. 068438 CLOUDT 7601 GOLDMAN (CANYON) FORZA OPERATING, LLC 284269 CLOUDT "55" 1 ROCKSPRINGS, W. (CANYON) TOC ENERGY RESOURCES, LLC 143501


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ CLSCM, LTD 1H EAGLEVILLE (EAGLE FORD-1) LEWIS PETRO PROPERTIES, INC. 287989 CMAJDALKA 59 2 GERONIMO CREEK (ELLENBURGER) COMSTOCK ENERGY, LLC 232700 CMAJDALKA 62 1 GERONIMO CREEK (ELLENBURGER) COMSTOCK ENERGY, LLC 232692 CMWW A 104H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 267487 CMWW A 4201 H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 265717 CMWW A 4202H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 273030 CMWW A 4301H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 263906 CMWW A 4302H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 264171 CMWW A 4303H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 271335 CMWW A 4305H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 271368 CMWW A 4306H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 271568 CMWW A 4307H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 271662 CMWW A 4308H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 271664 CMWW A 4310H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 272350 CMWW A 4311H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 272705 CMWW A 4314H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 272510 CMWW A 4316H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 285677 CMWW A 4317H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 285553 CMWW A 4318H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 285727 CMWW A 4319H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 285684 CMWW A 4320H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 285293 CMWW A 4401H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 265720 CMWW A 4402H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 265721 CMWW A 4403H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 271311 CMWW A 4405H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 274158 CMWW A 4406H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 274305 CMWW A 4408H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 276422 CMWW A 4409H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 284222 CMWW A 4410H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 284221 CMWW A 4501H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 269906 CMWW A 4502H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 274155 CMWW A 4503H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 274099 CMWW A 4504H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 287208 CMWW A 4505H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 287209 CMWW A 4506H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 287210 CMWW A 4507H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 287211 CMWW B 3602H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 276282 CMWW B 3701H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 264297 CMWW B 3702H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 273791 CMWW B 3703H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 271802 COE, H. W. 27 VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 203662 COE, HAZEL WHITEHEAD 1 VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 000500 COFFIELD M-1C- -A- (T-484-1) 1 JORDAN (NAVARRO B) PLANTATION OPERATING CO., INC. 080443 COFFIELD M-11 1 JORDAN (NAVARRO B) BETRO, INC. 080444 COFFIELD UNIT 2 BLAKEWAY (DIXON SAND) TEXOWA, LLC 114750 COLE 1358 WILL O. (WOLFCAMP) WOLFCAMP ENERGY, LLC 212888 COLE GAS UNIT 1 HOSTETTER (WILCOX 9400) BLACKBEARD OPERATING, LLC 169824 COLE, B. J. 1 MASSIE (STRAWN) HENRY PETROLEUM LLC 146211 COLE, B.J. 3 MASSIE (STRAWN) HENRY PETROLEUM LLC 214673 COLE, L. R. & SONS 1 CHICON LAKE COLE, L. R. & SONS 087519 COLEMAN 1 SOMERSET CIVCO OPERATING LLC 118709


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ COLEMAN 2 SOMERSET CIVCO OPERATING LLC 118710 COLEMAN 3 SOMERSET CIVCO OPERATING LLC 124077 COLEMAN 4 SOMERSET CIVCO OPERATING LLC 118711 COLEMAN "A" 1A SOMERSET CIVCO OPERATING LLC 118713 COLEMAN "A" 2A SOMERSET CIVCO OPERATING LLC 118714 COLEMAN "A" 3A SOMERSET CIVCO OPERATING LLC 118715 COLEMAN HEIRS 7201 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 243063 COLEMAN HEIRS A 5011 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 243064 COLEMAN HEIRS A1756 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 267666 COLEMAN HEIRS 503 1 SUN T S H (OLMOS) VIRTEX OPERATING COMPANY, INC. 233686 COLEMAN HEIRS 504 1 SUN T S H (OLMOS) VIRTEX OPERATING COMPANY, INC. 233818 COLEMAN HEIRS 504 2 SUN T S H (OLMOS) VIRTEX OPERATING COMPANY, INC. 242025 COLEMAN HEIRS 504 3 SUN T S H (OLMOS) VIRTEX OPERATING COMPANY, INC. 241871 COLLINS, JOE 1 BENTON CITY S, (ANACACHO) REGENCY ENERGY, INC. 229953 COMANCHE 6601 H BRISCOE RANCH (EAGLEFORD) EL TORO RESOURCES LLC 264108 COMANCHE RANCH W102H PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 205342 COMANCHE RANCH 1015H PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 207293 COMANCHE RANCH 1091H PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 208308 COMANCHE RANCH 1106H PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 206267 COMANCHE RANCH 1666 WILDCAT EL TORO RESOURCES LLC 211610 COMANCHE RANCH 3101H INDIO TANKS (PEARSALL) EL TORO RESOURCES LLC 262187 COOKE "A" 1 COOKE (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 146886 COOKE "A" 2 COOKE (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 203295 COOKE "B" 1 COOKE (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 148735 COOKE B-1 UNIT 2 COOKE (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 201965 COOKE NO. 24 UNIT 24 COOKE (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 107057 COOKE NO. 25 UNIT 25 COOKE (WILCOX 4100) LEWIS PETRO PROPERTIES, INC. 205596 COOKE RANCH A 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 277598 COOKE RANCH A 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 276657 COOKE RANCH A 3SL HAWKVILLE (EAGLEFORD SHALE) EQUINOR TEXAS ONSHORE PROP LLC 276669 COOKE RANCH A 4H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 276679 COOKE RANCH B 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 269293 COOKE RANCH B 3H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 284307 COOKE RANCH B 4H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 284308 COOKE RANCH B 5H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 266323 COOKE RANCH B 6H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 284309 COOKE RANCH C 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 271680 COOKE RANCH C 2SL HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 271681 COOKE RANCH C 3H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 271683 COOKE RANCH C 4H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 287641 COOKE RANCH C 5H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 287644 COOKE RANCH C 6H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 287643 COOKE RANCH D 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 268316 COOKE RANCH D 3H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 268317 COOKE RANCH F 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 270666 COOKE RANCH F 2SL HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 283239 COOKE RANCH F 3H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 270532 COOKE RANCH L 3SL HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 284424 COOKE RANCH L L 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 283829 COOKE, C. N. TRUST 1 COOKE (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 163606 COOKE, ETHYL P. G.U. 'A' 3H EAGLEVILLE (EAGLE FORD-1) LEWIS PETRO PROPERTIES, INC. 288200


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ COOKE, ETHYL P. GAS UNIT #3 4 COOKE (WILCOX 5000) BAY ROCK CORP. 057515 COOKE, ETHYL P. W. W. 1 EAGLEVILLE (EAGLE FORD-1) LEWIS PETRO PROPERTIES, INC. 284341 COOPER 1 LOS CUATROS (LOWER CRETACEOUS) RIO GRAND EXPLORATION, LLC 083063 COOPER, J. L. 1061 LOS CUATROS (LOWER CRETACEOUS) BAYLOR OPERATING, LLC 111684 COQUAT, HENDERSON 1 FORT EWELL (WILCOX -A-) TAYLOR, J. M. 000258 COTTLE 1 POLECAT CREEK (PENN) SAGA PETROLEUM LLC OF COLORADO 150089 COTULLA 1H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 257957 COTULLA 2H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 260127 COTULLA 3H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 263545 COTULLA 5H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275604 COTULLA 6H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 267257 COTULLA 7H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278858 COTULLA 8H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 267434 COTULLA 9H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 267774 COTULLA 10H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 266777 COTULLA 11H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 266290 COTULLA 12H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 268472 COTULLA 13H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271894 COTULLA 14H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271895 COTULLA 15H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272756 COTULLA 16H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272770 COTULLA 17H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 268397 COTULLA 18H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274183 COTULLA 19H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274182 COTULLA 20H AMMANN (BUDA) LEWIS PETRO PROPERTIES, INC. 281042 COTULLA 20H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 279604 COTULLA 21H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278884 COTULLA 22H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278859 COTULLA 25H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273860 COTULLA 26H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273859 COTULLA 27H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273868 COTULLA 28H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273867 COTULLA 29H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273870 COTULLA 30H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275790 COTULLA 31H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275645 COTULLA 32H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275655 COTULLA 33H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275659 COTULLA 34H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275988 COTULLA 37H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278510 COTULLA 38H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 277025 COTULLA 39H AMMANN (BUDA) LEWIS PETRO PROPERTIES, INC. 280762 COTULLA 39H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 277844 COTULLA 40H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272368 COTULLA 41H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272738 COTULLA 42H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 270933 COTULLA 43H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275027 COTULLA 44H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275251 COTULLA 45H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275028 COTULLA 46H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275029 COTULLA 47H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275068 COTULLA 48H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278739


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ COTULLA 49H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275647 COTULLA 50H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275653 COTULLA 51H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275728 COTULLA 52H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272367 COTULLA 53H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272369 COTULLA 54H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272739 COTULLA 55H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278743 COTULLA 56H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278746 COTULLA 57H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273142 COTULLA 58H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272794 COTULLA 59H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273160 COTULLA 61H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273137 COTULLA 62H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273898 COTULLA 63H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273899 COTULLA 64H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273919 COTULLA 65H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273920 COTULLA 66H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273921 COTULLA 67H AMMANN (BUDA) LEWIS PETRO PROPERTIES, INC. 279147 COTULLA 67H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274932 COTULLA 68H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274935 COTULLA 69H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274892 COTULLA 70H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274586 COTULLA 71H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274484 COTULLA 72H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274482 COTULLA 73H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272992 COTULLA 74H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273159 COTULLA 75H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275646 COTULLA 76H AMMANN (BUDA) LEWIS PETRO PROPERTIES, INC. 279596 COTULLA 76H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275808 COTULLA 77H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 277022 COTULLA 78H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 277023 COTULLA 79H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278744 COTULLA 80H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278741 COTULLA 5788 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 090528 COTULLA 5797 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 090526 COTULLA RANCH 9 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 251845 COTULLA SWD 1 COOKE (EDWARDS LIME) AGUA LIBRE MIDSTREAM LLC 271394 COUSINS 1 COUSINS (SLICK-WILCOX) ROSS GAS AND OIL, LTD. CO. 172575 COUSINS 2 COUSINS (SLICK-WILCOX) ROSS GAS AND OIL, LTD. CO. 173405 COVERT 118H PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 211755 COVERT, F. M. 1472H PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 221049 COVERT, F. M. 1690H PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 200654 COX -84- 1 FRANCES HILL (PENN) JOHNSON & LINDLEY, LLC 053095 COX STATE 1470 12 HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 267850 COX STATE 1470 GU 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 261363 COX-STATE 11H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 267852 COX-STATE 1470 10H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 264427 COX, L. L. -70- 2 FRANCES HILL (PENN) JOHNSON & LINDLEY, LLC 054206 COX, L. L. -83- 4 FRANCES HILL (PENN) JOHNSON & LINDLEY, LLC 055153 COX, L. L. -84- 6 FRANCES HILL (PENN) JOHNSON & LINDLEY, LLC 068482 CPL 1 LOS CUATROS (JAMES LIME) BAYLOR OPERATING, LLC 147923


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ CRAFT 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 261323 CRAFT 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273434 CRAWFORD RANCH 12H INDIO TANKS (PEARSALL) CALLON (EAGLE FORD) LLC 271439 CRESCENT C 1H HAWKVILLE (EAGLEFORD SHALE) PERDIDO ENERGY, LLC 259085 CRESCENT C RANCH A 1H HAWKVILLE (EAGLEFORD SHALE) VITRUVIAN EXPLORATION IV, LLC 286646 CRESCENT C RANCH A 2H HAWKVILLE (EAGLEFORD SHALE) VITRUVIAN EXPLORATION IV, LLC 287045 CRISP 3 STUART CITY (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 163067 CRISP H UNIT 3H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 271919 CRISP RANCH D 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 270533 CRISP RANCH G 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 269464 CRISP, WILLARD E. 26 1 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 203591 CRISP, WILLARD E. 26 1C ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 228375 CRISP, WILLARD E. 26 4 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 211702 CRISP, WILLARD E. 26 5 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 214726 CRISP, WILLARD E. 26 6 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 225050 CRISP, WILLARD E. 26 7 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 232775 CRISTINA 1 MILANO, EAST (BUDA) ARBOL RESOURCES, INC. 185270 CROMWELL WILDCAT CHEYENNE PETROLEUM COMPANY 263703 CROMWELL 1H INDIO TANKS (PEARSALL) CHEYENNE PETROLEUM COMPANY 265363 CURTIS, SAM 1 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000027 CURTIS, SAM 3 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000029 CUTLASS EAST EAGLEVILLE (EAGLE FORD-1) LIGHTNING OIL COMPANY 276895 CUTLASS EAST 1A W.S.L. (LK) LIGHTNING OIL COMPANY 283833 CUTLASS EAST B 2 EAGLEVILLE (EAGLE FORD-1) LIGHTNING OIL COMPANY 276862 CUTLASS WEST A 1 BRISCOE RANCH (EAGLEFORD) LIGHTNING OIL COMPANY 274656 CUTLASS WEST A 2 BRISCOE RANCH (EAGLEFORD) LIGHTNING OIL COMPANY 272949 D W TRI-BAR 711 "C" 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 207436 D. H. PRICE GAS UNIT 1 HOSTETTER (WILCOX 9400) BLACKBEARD OPERATING, LLC 167678 D. W. TRI BAR 12 F 2 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 157935 D. W. TRI BAR 12 F 3 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 158357 D. W. TRI BAR 12 F 4 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 158819 D. W. TRI BAR 12 F 6 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 090625 D. W. TRI BAR 12 F 7 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 113389 D. W. TRI BAR 12 F 8 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 167765 D. W. TRI BAR 32 "H" "A" 3 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 158831 D.W. TRI-BAR 712 "B" 3 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 204353 DAMMIER STATE 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 271663 DAMMIER STATE 3H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279886 DAMMIER STATE 4H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279934 DAMMIER STATE 6H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279362 DAMMIER STATE 7H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279402 DAMMIER-MARTIN STATE 5H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280627 DANIEL 801 SIMPSON-MANN (CANYON) SILVER OIL & GAS INC. 171314 DANIEL 803 SIMPSON-MANN (CANYON) SILVER OIL & GAS INC. 232377 DANIEL 804 SIMPSON-MANN (CANYON) SILVER OIL & GAS INC. 232379 DANIEL 805 SIMPSON-MANN (CANYON) SILVER OIL & GAS INC. 232380 DANIEL - STATE "2" 10 SIMPSON-MANN (CANYON) HEXP OPERATING, LLC 182559 DANIEL - STATE 2 1 SIMPSON-MANN (CANYON) HEXP OPERATING, LLC 160490 DANIEL - STATE 2 4 SIMPSON-MANN (CANYON) HEXP OPERATING, LLC 161126 DANIEL STATE "2" 7 SIMPSON-MANN (CANYON) HEXP OPERATING, LLC 179614 DANIEL STATE 2 8 SIMPSON-MANN (CANYON) HEXP OPERATING, LLC 181818


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------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ DONNELL MINERALS 366 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 251821 DONNELL SWD 1 EAGLEVILLE (EAGLE FORD-1) EVX MIDSTREAM PARTNERS LLC 273541 DONNELL 1077 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 256150 DONNELL 457 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 255036 DONNELL 457 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270098 DONNELL-MULHOLLAND UNIT 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 274587 DONNELL-MULHOLLAND UNIT 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272107 DORA MARTIN A 1 HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 251776 DORA MARTIN A 8H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270926 DORA MARTIN A 9H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270928 DORA MARTIN A 10H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 274102 DORA MARTIN A 17H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270979 DORA MARTIN A 18H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270983 DORA MARTIN A 32H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280873 DORA MARTIN A 33H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 285805 DORA MARTIN A 34H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 285808 DORA MARTIN A 35H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284101 DORA MARTIN A 36H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280846 DORA MARTIN A 37H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280853 DORA MARTIN A 38H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280854 DORA MARTIN A 41H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287881 DORA MARTIN A 42H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287181 DORA MARTIN A 43H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287004 DORA MARTIN A 44H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287885 DORA MARTIN A 45H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287882 DORA MARTIN A 46H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287883 DORA MARTIN A PSA G 49H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287303 DORA MARTIN B 55H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287992 DORA MARTIN B PSA B 50H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287091 DORA MARTIN B PSA C 51H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287152 DORA MARTIN B PSA D 52H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287153 DORA MARTIN B PSA E 53H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287162 DORA MARTIN B PSA I 54H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287917 DORA MARTIN 1716 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 251816 DORA MARTIN 1716 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271160 DORA MARTIN 1716 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271159 DORA MARTIN 1716 30H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 281163 DORA MARTIN 1716 31H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 281160 DORA MARTIN 1716 39H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 281145 DORA MARTIN 1716 40H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 281132 DORNAK, JOHN L. GAS UNIT 2 JOURDANTON VIRTEX OPERATING COMPANY, INC. 109054 DORNAK, JOHN L. GAS UNIT 3 JOURDANTON VIRTEX OPERATING COMPANY, INC. 113306 DORNAK, JOHN L. GAS UNIT 4 JOURDANTON VIRTEX OPERATING COMPANY, INC. 220230 DORNAK, JOHN L. GAS UNIT 5 JOURDANTON VIRTEX OPERATING COMPANY, INC. 165776 DORNAK, JOHN L. GAS UNIT 6R JOURDANTON VIRTEX OPERATING COMPANY, INC. 219882 DORSET-TILLER 16 LULING-BRANYON (1700) TEXAS PETROLEUM INVESTMENT CO. 082179 DREYFUS, JACK J. 1 PEMBERTON (NAVARRO) Y OIL COMPANY INC. 137179 DUBOSE "A" 2 DUBOSE (EDWARDS -A-) YATES ENERGY CORPORATION 144639 DUBOSE, GEORGIA 1 DUBOSE (EDWARDS -A-) YATES ENERGY CORPORATION 000174 DUSEK 1R DAN COBBS (WILCOX, LO.) AURORA RESOURCES CORPORATION 220302 EARL BAKER 14W BAKER (2500) FIELD PETROLEUM CORP. 287256


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ EARWOOD "A" 1 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 165336 EARWOOD "A" 4 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 173842 EARWOOD "A" 5 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 175798 EARWOOD "A" 6 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 176804 EARWOOD "A" 7 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 177156 EARWOOD "A" 8 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 177565 EARWOOD "A" 9 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 178614 EARWOOD "A" 11 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 181112 EARWOOD "A" 12 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 197156 EARWOOD "A" 13 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 220627 EARWOOD "B" 1 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 165014 EARWOOD "B" 2 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 167865 EARWOOD "B" 5 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 181622 EARWOOD "B" 6 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 185132 EARWOOD "37" 1 ARMER SOUTH (ELLENBURGER) HILCORP ENERGY COMPANY 241872 EARWOOD G U 1 4 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 220620 EARWOOD G. U. 1 3 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 197966 EARWOOD G. U. 2 2 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 181819 EARWOOD G.U. 1 1 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 169387 EARWOOD G.U. 1 2 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 181814 EARWOOD G.U. 2 1 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 165533 EBERT GAS UNIT 1A CAMPANA, SOUTH (LOMA NOVIA 2700) TEXAS, LES & CO. 094297 ECHENROTH, ED H. 4 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 167001 EDRINGTON, H. C. EST. -I- 31 CAMPANA, S.(QUEEN CITY 5900) PROLINE ENERGY RESOURCES INC 090536 EDRINGTON, H. C. EST. "I" 32 CAMPANA, SOUTH (WILCOX 11,200) PROLINE ENERGY RESOURCES INC 088329 EDRINGTON, H. C. EST. "I" 33 CAMPANA, SOUTH (WILCOX 10,400) PROLINE ENERGY RESOURCES INC 096139 EDWARDS 1H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 260124 EDWARDS 2H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 277690 EDWARDS 4H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 267739 EDWARDS 5H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 286812 EDWARDS 6H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 286553 EDWARDS 8H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 277801 EDWARDS 9H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 287472 EDWARDS A 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 271556 EDWARDS A 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 263587 EDWARDS A 5H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273299 EDWARDS A 6H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273297 EDWARDS B 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271186 EDWARDS B 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 264156 EDWARDS B 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 267907 EDWARDS B 4H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271632 EDWARDS B 5H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 270298 EDWARDS SWD 1H A.W.P. (OLMOS) SPARKMAN ENERGY, LLC 281766 EF ENERGY/WINSLOW, O. H. 2 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 185977 ELLEN C. 8H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 279133 ELLEN C. 101H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 287328 ELLEN C. 102H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 287311 ELLEN C. 105H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 287423 ELLEN C. 106H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 287458 ELLEN C. 129H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 284396 ENCINAL SWD 1 HAWKVILLE (EAGLEFORD SHALE) NGL WATERSOLUTIONS EAGLEFORD,LLC 277847


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ ENCINAL SWD 2 HAWKVILLE (EAGLEFORD SHALE) NGL WATERSOLUTIONS EAGLEFORD,LLC 279157 EPPERSON 1 EPPERSON (CANYON SAND) LAKESHORE OPERATING, LLC 175143 EPPERSON 3 EPPERSON (CANYON SAND) LAKESHORE OPERATING, LLC 212068 EPPERSON "47" 1 EPPERSON (CANYON SAND) LAKESHORE OPERATING, LLC 176805 EPPERSON "47" 1 ROCKSPRINGS, W. (CANYON) TOC ENERGY RESOURCES, LLC 144749 EPPERSON, JAMES 1119 EPPERSON (CANYON SAND) THOMPSON, J. CLEO 123220 EPPERSON, JAMES 2619 EPPERSON (CANYON SAND) THOMPSON, J. CLEO 151900 EPPERSON, JAMES 6019 EPPERSON (CANYON SAND) THOMPSON, J. CLEO 123219 EPPERSON, JAMES E. 1 EPPERSON (CANYON SAND) EPIC PERMIAN OPERATING, LLC 099208 EPPERSON, SAM 4701 ROCKSPRINGS, W. (CANYON) TOC ENERGY RESOURCES, LLC 127531 EPPERSON, TOM 1241 EPPERSON (CANYON SAND) THOMPSON, J. CLEO 124486 EPPERSON, TOM 1442 EPPERSON (CANYON SAND) THOMPSON, J. CLEO 125828 EPPERSON, TOM 1641 EPPERSON (CANYON SAND) THOMPSON, J. CLEO 125829 EPPERSON, TOM 2026 EPPERSON (CANYON SAND) THOMPSON, J. CLEO 123221 EPPERSON, TOM 3041 EPPERSON (CANYON SAND) THOMPSON, J. CLEO 151738 EPPERSON, TOM 3242 EPPERSON (CANYON SAND) THOMPSON, J. CLEO 151739 EPPERSON, TOM 7026 EPPERSON (CANYON SAND) THOMPSON, J. CLEO 123223 EPPERSON, TOM 8041 EPPERSON (CANYON SAND) THOMPSON, J. CLEO 122758 EPPERSON, TOM W. 1 EPPERSON (CANYON SAND) EPIC PERMIAN OPERATING, LLC 099207 EPPERSON, TOM W. 2 EPPERSON (CANYON SAND) EPIC PERMIAN OPERATING, LLC 141580 EPPERSON, TOM W. 3 EPPERSON (CANYON SAND) EPIC PERMIAN OPERATING, LLC 143466 EPPERSON, TOM W. 4 EPPERSON (CANYON SAND) EPIC PERMIAN OPERATING, LLC 209842 EPPERSON, TOM W. 5 EPPERSON (CANYON SAND) EPIC PERMIAN OPERATING, LLC 213468 EPPERSON, WILLIAM 4702 ROCKSPRINGS, W. (CANYON) TOC ENERGY RESOURCES, LLC 129110 EPPERSON, WILLIAM 4703 ROCKSPRINGS, W. (CANYON) TOC ENERGY RESOURCES, LLC 129111 EPPS 2 HOLMAN RANCH, N (PENN) TRIPLE G OPERATING, LLC 091710 EPPS 3 HOLMAN RANCH, N (PENN) TRIPLE G OPERATING, LLC 093161 EPPS 4 HOLMAN RANCH, N (PENN) TRIPLE G OPERATING, LLC 100923 EPPS 4701 HOLMAN RANCH, N (PENN) PATNO OIL & GAS COMPANY 135345 EPPS-TEXAS A & M -47- 2 FRANCES HILL (PENN) JOHNSON & LINDLEY, LLC 055226 EPPS, H. C. 338 HOLMAN RANCH, N (PENN) UPP OPERATING, LLC 071997 EPPS, H. C. 2038 HOLMAN RANCH, N (PENN) UPP OPERATING, LLC 062782 EPPS, H. C. 4039 HOLMAN RANCH, N (PENN) UPP OPERATING, LLC 053723 EPPS, HATTIE "D" 1 FRANCES HILL (PENN) ROVER PETROLEUM OPERATING, LLC 054137 EPPS, HATTIE "D" 3 FRANCES HILL (PENN) ROVER PETROLEUM OPERATING, LLC 151603 EPPS, HATTIE "D" 4 FRANCES HILL (CANYON) ROVER PETROLEUM OPERATING, LLC 178770 ERNST UNIT A LAS 2H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, L.L.C. 276229 ESTHER SCHLETZE UNIT 1H HAWKVILLE (EAGLEFORD SHALE) PURSUIT OIL & GAS STX, LLC 286954 EVANS EF 2H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 284826 EVANS EF 12H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 285576 EVANS EF A 16H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 286132 EVANS EF 14H 14H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 285973 EVANS H 1 EAGLEVILLE (EAGLE FORD-1) LEWIS PETRO PROPERTIES, INC. 253413 EVANS H 2 EAGLEVILLE (EAGLE FORD-1) LEWIS PETRO PROPERTIES, INC. 271583 EVANS-TX OSAGE EF UNIT 1H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 285323 EXXON MILLS -39- 1 WILL O. (ELLENBURGER) ENDEAVOR ENERGY RESOURCES L.P. 075468 F. T. 2 A.W.P. (OLMOS) DORADO DRILLING, INC. 157215 F. T. 5 A.W.P. (OLMOS) DORADO DRILLING, INC. 157225 F. T. 6 A.W.P. (OLMOS) DORADO DRILLING, INC. 157232 F. T. 7 A.W.P. (OLMOS) DORADO DRILLING, INC. 157483 F. T. 8 A.W.P. (OLMOS) DORADO DRILLING, INC. 157636


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ F. T. 9 A.W.P. (OLMOS) DORADO DRILLING, INC. 157229 F. T. 10 A.W.P. (OLMOS) DORADO DRILLING, INC. 157480 F.D. LAUREL 20H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 267854 F.T. 3 A.W.P. (OLMOS) DORADO DRILLING, INC. 157266 F.T. 4 A.W.P. (OLMOS) DORADO DRILLING, INC. 157299 FAITH BONITA C UNIT L 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273707 FAITH BONITA E UNIT J 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 269803 FAITH BONITA G UNIT M 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273708 FAITH BONITA H UNIT M 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273779 FAITH BONITA K UNIT C 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281221 FAITH BONITA L UNIT I 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 268751 FAITH BONITA V UNIT R 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 277897 FAITH BONITA W UNIT M 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 278317 FAITH BONITA X UNIT O 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280917 FAITH BONITA Y UNIT C 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281114 FAITH SAN PEDRO P UNIT E 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 277004 FAITH SAN PEDRO T UNIT E 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276274 FAITH SAN PEDRO U UNIT M 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 277948 FAITH SAN PEDRO W UNIT M 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 278324 FAITH SANDY DIM F 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 268749 FAITH SANDY DIM J 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 272577 FAITH SANDY DIM J 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273129 FAITH TORO J UNIT DIM A 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276321 FAITH YANA F UNIT D 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281222 FAITH YANA G UNIT D 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281311 FAITH YANA M UNIT C 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281312 FAITH-BONITA A 1H AMMANN (BUDA) CHESAPEAKE OPERATING, L.L.C. 271408 FAITH-BONITA A 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 265617 FAITH-BONITA A 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280979 FAITH-BONITA A 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280980 FAITH-BONITA A 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280981 FAITH-BONITA B 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281314 FAITH-BONITA B 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281150 FAITH-BONITA B 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280920 FAITH-BONITA B 7H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280919 FAITH-BONITA B 8H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281149 FAITH-BONITA C 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281108 FAITH-BONITA C 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281204 FAITH-BONITA C 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281454 FAITH-BONITA C 6H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281450 FAITH-BONITA C 7H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281110 FAITH-BONITA C 8H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281333 FAITH-BONITA D 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 268442 FAITH-BONITA D 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 266886 FAITH-BONITA D 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280968 FAITH-BONITA D 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280978 FAITH-BONITA E 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 274781 FAITH-BONITA E 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 274326 FAITH-BONITA E 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280956 FAITH-BONITA E 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281220 FAITH-BONITA F 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280760


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ FAITH-BONITA F 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280514 FAITH-BONITA F 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280530 FAITH-BONITA F 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280529 FAITH-BONITA F 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280531 FAITH-BONITA G 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281166 FAITH-BONITA G 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280871 FAITH-BONITA G 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280921 FAITH-BONITA H 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281355 FAITH-BONITA H 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281365 FAITH-BONITA H 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281366 FAITH-BONITA H 6H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281451 FAITH-BONITA H 7H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281376 FAITH-BONITA H 8H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281377 FAITH-BONITA I 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 274407 FAITH-BONITA I 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 274857 FAITH-BONITA J 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275232 FAITH-BONITA J 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 274467 FAITH-BONITA N 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280754 FAITH-BONITA N 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280967 FAITH-BONITA O 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280953 FAITH-BONITA O 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281453 FAITH-BONITA O 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281353 FAITH-BONITA P 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280918 FAITH-BONITA P 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281112 FAITH-SAN PEDRO A 1H INDIO TANKS (PEARSALL) CHESAPEAKE OPERATING, L.L.C. 261614 FAITH-SAN PEDRO A 1HT BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276602 FAITH-SAN PEDRO A 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 286539 FAITH-SAN PEDRO A 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 286796 FAITH-SAN PEDRO A 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 286803 FAITH-SAN PEDRO A 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 286540 FAITH-SAN PEDRO E 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276722 FAITH-SAN PEDRO E 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276723 FAITH-SAN PEDRO E 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276319 FAITH-SAN PEDRO E 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276579 FAITH-SAN PEDRO F 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 268447 FAITH-SAN PEDRO F 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275233 FAITH-SAN PEDRO F 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 279859 FAITH-SAN PEDRO G 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 268631 FAITH-SAN PEDRO G 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 268632 FAITH-SAN PEDRO K 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 274401 FAITH-SAN PEDRO L 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276276 FAITH-SAN PEDRO R 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 277907 FAITH-SAN PEDRO R 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 277898 FAITH-SAN PEDRO C UNIT F 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275244 FAITH-SAN PEDRO D UNIT F 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275948 FAITH-SAN PEDRO EE UNIT K 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 286536 FAITH-SAN PEDRO GG UNIT C 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 278353 FAITH-SAN PEDRO H UNIT E 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 278367 FAITH-SAN PEDRO HH UNIT C 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 278356 FAITH-SAN PEDRO R UNIT K 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 286538 FAITH-SAN PEDRO S UNIT M 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 279538


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ FAITH-SANDY A 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275857 FAITH-SANDY A 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275858 FAITH-SANDY A 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275859 FAITH-SANDY A 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275860 FAITH-SANDY B 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273778 FAITH-SANDY F 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276724 FAITH-SANDY J 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276843 FAITH-SANDY J 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276730 FAITH-TORO A 8H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276315 FAITH-TORO A UNIT A 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276337 FAITH-TORO DIM A 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276623 FAITH-TORO DIM A 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276624 FAITH-TORO DIM C 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 279585 FAITH-TORO DIM C 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 279586 FAITH-TORO DIM C 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 279264 FAITH-TORO DIM C 6H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 279558 FAITH-TORO DIM C 7H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 279555 FAITH-TORO DIM C 8H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 279554 FAITH-TORO DIM C 9HU BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281201 FAITH-TORO DIM C 10HU BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281202 FAITH-TORO DIM F 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 286390 FAITH-TORO E UNIT C 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 279584 FAITH-TORO F UNIT C 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 279583 FAITH-YANA A 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 268750 FAITH-YANA A 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 268752 FAITH-YANA B 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273790 FAITH-YANA B 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275242 FAITH-YANA F 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275237 FAITH-YANA G 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 272710 FAITH-YANA G 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 272711 FAITH-YANA G 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273132 FAITH-YANA G 5HU BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281200 FAITH-YANA G 6HU BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281326 FAITH-YANA H 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275238 FAITH-YANA H 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275731 FAITH-YANA M 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 284153 FAITH-YANA M 3H AMMANN (BUDA) CHESAPEAKE OPERATING, L.L.C. 284772 FAITH-YANA M 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 282875 FAITH-YANA N 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276045 FAITH-YANA N 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276047 FAITH-YANA N 8H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276048 FAITH-YANA A UNIT C 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276284 FAITH-YANA AA UNIT K 7H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 283709 FAITH-YANA B UNIT C 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275939 FAITH-YANA GG UNIT O 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 287573 FAITH-YANA GG UNIT O 1H LORENZO (AUSTIN CHALK) CHESAPEAKE OPERATING, L.L.C. 286889 FAITH-YANA N UNIT O 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 283008 FAITH-YANA O UNIT O 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 283009 FAITH-YANA P UNIT O 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 283010 FAITH-YANA Q UNIT J 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 283640 FAITH-YANA R UNIT J 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 283758


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ FAITH-YANA W UNIT L 7H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 283775 FAITH-YANA X UNIT L 8H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 283777 FAITH-YANA Y UNIT K 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 283759 FANSLER, LORRAINE 7001 TRI BAR (OLMOS) VIRTEX OPERATING COMPANY, INC. 142608 FANSLER, LORRAINE 7241 TRI BAR (OLMOS) VIRTEX OPERATING COMPANY, INC. 142607 FANSLER, LORRAINE 7242 TRI BAR (OLMOS) VIRTEX OPERATING COMPANY, INC. 142671 FASELER 11 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 229812 FASELER, DORA M. 1 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 157614 FASELER, DORA M. 2A ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 063935 FASELER, DORA M. 5A ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 064312 FASELER, DORA M. 10A ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 064313 FASELER, DORA M. 12 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 232957 FASKEN STATE 1H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 257628 FASKEN STATE 2H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 260070 FASKEN STATE 3H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 260071 FASKEN STATE 4H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 260182 FASKEN STATE 5H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 260379 FASKEN STATE 6H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 271340 FASKEN STATE 7H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 271353 FASKEN STATE 8H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 265234 FASKEN STATE 9H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 272782 FASKEN STATE 10H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 275411 FASKEN STATE 11H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 265550 FASKEN STATE 12H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 261444 FASKEN STATE 13H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 266400 FASKEN STATE 14H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 274481 FASKEN STATE 15H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 274890 FASKEN STATE 16H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 274473 FASKEN STATE 17H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 273615 FASKEN STATE 18H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 274092 FASKEN STATE 19H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 274156 FASKEN STATE 20H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 275461 FASKEN STATE 21H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 275415 FASKEN STATE 23H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 274855 FASKEN STATE 24H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 275982 FASKEN STATE 25H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 275983 FASKEN STATE 26H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 275984 FASKEN STATE 27H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 275562 FASKEN STATE 28H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 275484 FASKEN STATE 29H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 275485 FASKEN STATE 30H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 278722 FASKEN STATE 31H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 276710 FASKEN STATE 32H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 276847 FASKEN STATE 33H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 276758 FASKEN STATE 34H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 276711 FASKEN STATE 35H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 277984 FASKEN STATE 36H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 277986 FASKEN STATE 37H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 277987 FASKEN STATE 38H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 277971 FASKEN STATE 39H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 278458 FASKEN STATE 40H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 278459


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ FASKEN STATE 41H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 278460 FASKEN STATE 44H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 280785 FASKEN STATE 45H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 280573 FASKEN STATE 46H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 280574 FASKEN STATE 47H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 280575 FASKEN STATE 48H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 279866 FASKEN STATE 49H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 279867 FASKEN STATE 50H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 279876 FASKEN STATE 51H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 279868 FASKEN STATE 52H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 281709 FASKEN STATE 53H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 281823 FASKEN STATE 54H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 281741 FASKEN STATE 55H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 281824 FASKEN STATE 56H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 281846 FASKEN STATE 57H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 281891 FASKEN STATE 58H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 281731 FASKEN STATE 59H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 282014 FASKEN STATE 60H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 282031 FASKEN STATE 61H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 282043 FASKEN STATE 62H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 282094 FASKEN STATE 63H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 282095 FASKEN STATE 64H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 282642 FASKEN STATE 65H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 283870 FASKEN STATE 66H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 283918 FASKEN STATE 67H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 283960 FASKEN STATE 68H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 284737 FASKEN STATE 69H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 284717 FASKEN STATE 70H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 284718 FASKEN STATE 71H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 284991 FASKEN STATE 72H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 286463 FASKEN STATE 73H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 286554 FASKEN STATE 75H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 287053 FASKEN STATE 90H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 266354 FASKEN STATE 91H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 261181 FASKEN STATE 92H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 263585 FASKEN STATE 93H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 264180 FASKEN STATE 101H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 282857 FASKEN STATE 102H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 282669 FASKEN STATE 103H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 283890 FASKEN STATE 104H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 284058 FASKEN STATE 105H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 284109 FASKEN STATE 106H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 278465 FASKEN STATE 107H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 284734 FASKEN STATE 108H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 284735 FASKEN STATE 109H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 284736 FASKEN STATE 110H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 285000 FASKEN STATE 111H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 284992 FASKEN STATE 112H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 284993 FASKEN STATE A 2716 4H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 261445 FASKEN STATE A2545 17H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 276060 FASKEN STATE A2716 A 83H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280361


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ FASKEN STATE A2716 B 84H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280362 FASKEN STATE A2716 C 85H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280363 FASKEN STATE A2716 PSA A 98H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287169 FASKEN STATE A2716 PSA B 97H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287052 FASKEN STATE A2718 GU 6H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 267146 FASKEN STATE A2718 GU 47H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279711 FASKEN STATE A2718 GU 48H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279336 FASKEN STATE A2718 GU 49H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279357 FASKEN STATE A2719 5H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269163 FASKEN STATE A2721 7H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269247 FASKEN STATE A2726 G. U. 24H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 275770 FASKEN STATE A2726 G. U. 25H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 275846 FASKEN STATE A2726 G. U. 26H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 275488 FASKEN STATE A2726 GU 16H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 276327 FASKEN STATE A2758 9H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269597 FASKEN STATE A2761 A 32H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 281028 FASKEN STATE A2761 B 33HR HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280551 FASKEN STATE A2761 C 34H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280740 FASKEN STATE A2761-A2756 35H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280403 FASKEN STATE A2761-A2756 A 90H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 281952 FASKEN STATE 1202 29H WILDCAT LEWIS PETRO PROPERTIES, INC. 279475 FASKEN STATE 1202 29H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 276696 FASKEN STATE 1560 10H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269046 FASKEN STATE 1560 22H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 273887 FASKEN STATE 1561 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 260324 FASKEN STATE 1561 20H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 274390 FASKEN STATE 1612 27H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 278735 FASKEN STATE 1612 31H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279594 FASKEN STATE 1613 28H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 278487 FASKEN-STATE A2706 GU 3H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 260671 FASKEN-STATE A2756 8HR HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269621 FASKEN-STATE A2761 14H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269927 FASKEN-STATE A2793 15H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269761 FASKEN-STATE 1202 18H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 270515 FASKEN-STATE 1430 GU 2H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 261362 FASKEN-STATE 1559 12H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269047 FITZSIMONS "A" 4212 HUGH FITZSIMMONS (SAN MIGUEL) PRIME OPERATING COMPANY 166532 FIVE C RANCH 5802 GERONIMO CREEK (ELLENBURGER) HILCORP ENERGY COMPANY 223628 FIVE C RANCH 6301 GERONIMO CREEK (ELLENBURGER) HILCORP ENERGY COMPANY 207228 FIVE C RANCH 6302 GERONIMO CREEK (ELLENBURGER) HILCORP ENERGY COMPANY 209676 FLAT CREEK UNIT G DIM 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 279681 FLAT CREEK UNIT G DIM 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 278909 FLIELLER, JEROME, JR. 1 CINDY ANN (AUSTIN CHALK) NORDSTRAND ENGINEERING, INC. 222604 FLORES/FOUKE 1 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 200794 FLORES/FOUKE 2 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 200420 FOGMT 1SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 253236 FOGMT 2SP INDIO TANKS (PEARSALL) SN EF MAVERICK, LLC 251799 FOGMT 3SH BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 253301 FOGMT 4SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 256723 FOGMT 5SH INDIO TANKS (PEARSALL) SN EF MAVERICK, LLC 257846 FOGMT 6SH BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266924


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ FOGMT 7SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264426 FOGMT 8SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268901 FOGMT 9SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268907 FOGMT 10SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270634 FOGMT 11SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270636 FOGMT 12SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271033 FOGMT 13SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269473 FOGMT 14SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269656 FOGMT 15SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271782 FOGMT 16SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271783 FOGMT 17SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271784 FOGMT 18SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279266 FOGMT 19SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 275845 FOGMT 20SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 275893 FOGMT 21SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278807 FOGMT 22SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278683 FOGMT 23SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278688 FOGMT 24SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271753 FOGMT 25SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271755 FOGMT 26SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271758 FOGMT 27SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271760 FOGMT 28SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 274583 FOGMT 29SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 274588 FOGMT 30SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 274706 FOGMT 31SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 274707 FOGMT 32SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 274466 FOGMT 33SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273351 FOGMT 34SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273449 FOGMT 35SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273992 FOGMT 36SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 274077 FOGMT 37SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 274078 FOGMT 38SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279590 FOGMT 39SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279592 FOGMT 40SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279267 FOGMT 41SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276883 FOGMT 42SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279818 FOGMT 43SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280196 FOGMT 44SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279890 FOGMT 45SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280036 FOGMT 46SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280037 FOGMT 47SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276430 FOGMT 54SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278005 FOGMT 55SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279712 FOGMT E 1SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269717 FOGMT E 2SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269723 FOGMT F 1SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269483 FOGMT G 1SP BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270103 FOGMT UNIT A 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280109 FOGMT UNIT A 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280039 FOGMT UNIT A 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280042 FOGMT UNIT A 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280043


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ FOGMT UNIT A 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277613 FOGMT UNIT A 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280441 FOGMT UNIT A 8H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278103 FOGMT UNIT A 9H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277596 FOGMT UNIT A 10H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280903 FOLEY 1X LEONA (ELAINE) WELDON CORPORATION 189065 FOLEY, NORMENT 1 LEONA (ELAINE) WELDON CORPORATION 080118 FOLEY, NORMENT 6 LEONA (ELAINE) WELDON CORPORATION 095266 FORREST WHEELER 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 266251 FORREST WHEELER 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 267682 FORREST WHEELER 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 268147 FORREST WHEELER 4H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271584 FORREST WHEELER 5H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273631 FORREST WHEELER 8H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 276684 FORREST WHEELER 9H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 276685 FORREST WHEELER 10H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273450 FORREST WHEELER 11H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272330 FORREST WHEELER 13H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273732 FORREST WHEELER 14H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 276849 FORREST WHEELER 15H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273433 FORREST WHEELER 19H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 287475 FORREST WHEELER 21H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 287480 FORREST WHEELER 'B' 1H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 267466 FORREST WHEELER 'B' 2H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 267240 FORREST WHEELER 'B' 3H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 269922 FORREST WHEELER 'B' 4H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 269630 FORREST WHEELER 'B' 5H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 275895 FORREST WHEELER 'B' 7H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 287854 FORREST WHEELER 'B' 8H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 275137 FORREST WHEELER 'B' 9H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 275142 FORREST WHEELER 'B' 11H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 272626 FORREST WHEELER 'B' 12H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 273206 FORREST WHEELER 'B' 13H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 275158 FORREST WHEELER 'B' 14H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 275159 FORREST WHEELER 'B' 16H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 287479 FOSTER LAS A 1H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, L.L.C. 278183 FOSTER LAS A 4H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, L.L.C. 279098 FOSTER LAS D 2H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, L.L.C. 275667 FOSTER LAS E 2H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, L.L.C. 276775 FOSTER LAS F 3H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, L.L.C. 277452 FOSTER UNIT III LAS B 2H AMMANN (BUDA) CHESAPEAKE OPERATING, L.L.C. 279484 FOSTER UNIT III LAS B 2H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, L.L.C. 276757 FOSTER UNIT IV LAS C 1H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, L.L.C. 277449 FOSTER, J. ESTATE 1 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 194970 FOSTER, J. ESTATE 2 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 112232 FOSTER, J. ESTATE 3 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 187454 FOSTER, J. ESTATE 4 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 112234 FOSTER, J. ESTATE 5 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 194975 FOSTER, J. ESTATE 6 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 199448 FOSTER, J. ESTATE 7 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 200718 FOSTER, J. ESTATE 9 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 204700


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ FOSTER, J. ESTATE 10 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 205322 FOSTER, J. ESTATE 11 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 205803 FOSTER, J. ESTATE 12 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 208947 FOSTER, J. ESTATE 13 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 211029 FOSTER, J. ESTATE 14 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 208733 FOSTER, J. ESTATE 15 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 208720 FOSTER, J. ESTATE 16 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 208735 FOSTER, J. ESTATE 17 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 212533 FOSTER, J. ESTATE 18 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 212595 FOSTER, J. ESTATE 19 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 212615 FOSTER, J. ESTATE 20 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 214734 FOSTER, J. ESTATE 21 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 214736 FOSTER, J. ESTATE 22 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 221125 FOSTER, J. ESTATE 23 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 220386 FOSTER, J. ESTATE 24 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 220589 FOSTER, J. ESTATE 25 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 227615 FOSTER, J. ESTATE 26 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 234701 FOSTER, J. ESTATE 28 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 232748 FOSTER, J. ESTATE 29 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 225002 FOSTER, J. ESTATE 35 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 241884 FOSTER, J. ESTATE 44 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 241827 FOSTER, J. ESTATE 46 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 238840 FOUR SQUARE RANCH 2 HOPKINS (ELLEN) HILCORP ENERGY COMPANY 199883 FOUR SQUARE RANCH 6 SNAKEBITE (ELLENBURGER) HILCORP ENERGY COMPANY 206726 FOUR SQUARE RANCH 7 SNAKEBITE (ELLENBURGER) HILCORP ENERGY COMPANY 193587 FOUR SQUARE RANCH 8 SNAKEBITE (ELLENBURGER) HILCORP ENERGY COMPANY 193586 FOUR SQUARE RANCH 9 SNAKEBITE (ELLENBURGER) HILCORP ENERGY COMPANY 200402 FOUR SQUARE RANCH 10 SNAKEBITE (ELLENBURGER) HILCORP ENERGY COMPANY 205608 FOUR SQUARE RANCH 11 SNAKEBITE (ELLENBURGER) HILCORP ENERGY COMPANY 208095 FOUR SQUARE RANCH 13T SNAKEBITE (ELLENBURGER) HILCORP ENERGY COMPANY 214352 FOUR SQUARE RANCH 17H SNAKEBITE (ELLENBURGER) HILCORP ENERGY COMPANY 226535 FOUR SQUARE RANCH 19H SNAKEBITE (ELLENBURGER) HILCORP ENERGY COMPANY 243038 FOUR SQUARE RANCH 20 HOPKINS (ELLEN) HILCORP ENERGY COMPANY 214324 FOUR SQUARE RANCH 23H SNAKEBITE (ELLENBURGER) HILCORP ENERGY COMPANY 244789 FOUR SQUARE RANCH 62E SNAKEBITE (ELLENBURGER) UPP OPERATING, LLC 200418 FOUR SQUARE RANCH 65E SNAKEBITE (ELLENBURGER) UPP OPERATING, LLC 203499 FOUR SQUARE RANCH 75E SNAKEBITE (ELLENBURGER) UPP OPERATING, LLC 204208 FOUR SQUARE RANCH 072EH SNAKEBITE (ELLENBURGER) UPP OPERATING, LLC 157925 FOUR SQUARE RANCH 0061EH SNAKEBITE (ELLENBURGER) UPP OPERATING, LLC 157235 FOUR SQUARE RANCH 0071HR SNAKEBITE (ELLENBURGER) UPP OPERATING, LLC 157992 FOUR SQUARE RANCH 0073EH SNAKEBITE (ELLENBURGER) UPP OPERATING, LLC 159590 FOUR SQUARE RANCH "A" 0541EH SNAKEBITE (ELLENBURGER) UPP OPERATING, LLC 163552 FOUR SQUARE RANCH "A" 0543E SNAKEBITE (ELLENBURGER) UPP OPERATING, LLC 197032 FOUR SQUARE RANCH "A" 0544E SNAKEBITE (ELLENBURGER) UPP OPERATING, LLC 219942 FOUR SQUARE RANCH "B" 543E SNAKEBITE (ELLENBURGER) UPP OPERATING, LLC 203971 FOUR SQUARE RANCH "B" 0542EH SNAKEBITE (ELLENBURGER) UPP OPERATING, LLC 163994 FOWLER, SAN J. 1 ANCHORAGE, SOUTH HAILEY, E. M. 000002 FOWLERTON SWD 1 EAGLEVILLE (EAGLE FORD-1) NGL WATERSOLUTIONS EAGLEFORD,LLC 286135 FRANKLIN A 1H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 266785 FRANKLIN A 2H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 272754 FRANKLIN A 3H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 272760


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ FRANKLIN B 1H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 266820 FRANKLIN D 1H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 276846 FRANKLIN D 2H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 276926 FRANKLIN D 3H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 276836 FRANKLIN D 4H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 276837 FRANKLIN D 5H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 276838 FRANKLIN D 6H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 276927 FRED 1 EPPERSON (CANYON SAND) CHI OPERATING, INC. 212541 FRED 2 EPPERSON (CANYON SAND) CHI OPERATING, INC. 221385 FRED 3 EPPERSON (CANYON SAND) CHI OPERATING, INC. 214616 FREEMAN 5402 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 139991 FRIAR, O. L. 1 FAIRFIELD (1100) HINDS, W. L. 000186 FROST NATIONAL BANK 1 EVERGREEN FARMS, NE. (1ST OLMOS) TX ENERGY SERVICES, LLC 246668 FRYAR, J. H. ET AL 1 LOMAS PIEDRAS (PENN. LIME) CLARO OPERATING, LLC 055361 G-B MINERALS 1H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 260051 G-B MINERALS 5H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 287852 G-B MINERALS 7H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 288032 GALVAN RANCH 1H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 257946 GALVAN RANCH 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 257818 GALVAN RANCH 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 258155 GALVAN RANCH 4H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 257867 GALVAN RANCH 6H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 257683 GALVAN RANCH 7H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 257869 GALVAN RANCH 7H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 259089 GALVAN RANCH 8H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 260371 GALVAN RANCH 9H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 265084 GALVAN RANCH 10H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 258756 GALVAN RANCH 10H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 266730 GALVAN RANCH 12H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 258902 GALVAN RANCH 14H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 258755 GALVAN RANCH 15H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260107 GALVAN RANCH 16H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 259554 GALVAN RANCH 17H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 258267 GALVAN RANCH 18H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260187 GALVAN RANCH 19H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260119 GALVAN RANCH 20H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260396 GALVAN RANCH 21H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260377 GALVAN RANCH 22H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260376 GALVAN RANCH 23H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260197 GALVAN RANCH 24H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 263175 GALVAN RANCH 26H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 263067 GALVAN RANCH 27H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 263265 GALVAN RANCH 28H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 261623 GALVAN RANCH A125H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 265781 GALVAN RANCH A131H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269620 GALVAN RANCH A145H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270144 GALVAN RANCH A147H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270141 GALVAN RANCH A149H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270143 GALVAN RANCH A247H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270152 GALVAN RANCH A301H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 265374 GALVAN RANCH A334H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269251


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ GALVAN RANCH A335 H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269252 GALVAN RANCH A336H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269250 GALVAN RANCH A355H AMMANN (BUDA) SM ENERGY COMPANY 283483 GALVAN RANCH A355H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281128 GALVAN RANCH A356H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281073 GALVAN RANCH A357H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281080 GALVAN RANCH A358H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281071 GALVAN RANCH A359H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269225 GALVAN RANCH A360H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281074 GALVAN RANCH A361H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 267936 GALVAN RANCH A363H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268122 GALVAN RANCH A364H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281892 GALVAN RANCH A369H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272468 GALVAN RANCH A401H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 265240 GALVAN RANCH A416H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 286410 GALVAN RANCH A417H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 286402 GALVAN RANCH A422H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276886 GALVAN RANCH A423H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 277228 GALVAN RANCH A424H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 277229 GALVAN RANCH A427H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276890 GALVAN RANCH A429H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276887 GALVAN RANCH A430H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 277232 GALVAN RANCH A431H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 277461 GALVAN RANCH A433H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280692 GALVAN RANCH A435H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276828 GALVAN RANCH A436H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276829 GALVAN RANCH A437H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276702 GALVAN RANCH A439H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276701 GALVAN RANCH A440H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276700 GALVAN RANCH A442H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 263675 GALVAN RANCH A443H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 263700 GALVAN RANCH A444H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 263660 GALVAN RANCH A445H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 282887 GALVAN RANCH A446H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 282885 GALVAN RANCH A447H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 282888 GALVAN RANCH A448H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 282890 GALVAN RANCH A456H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279650 GALVAN RANCH A459H AMMANN (BUDA) SM ENERGY COMPANY 282371 GALVAN RANCH A459H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279652 GALVAN RANCH A460H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279651 GALVAN RANCH A462H AMMANN (BUDA) SM ENERGY COMPANY 282579 GALVAN RANCH A462H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279667 GALVAN RANCH A464H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279670 GALVAN RANCH A466H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279633 GALVAN RANCH A467H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279678 GALVAN RANCH A468H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279677 GALVAN RANCH A469H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279676 GALVAN RANCH A501H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 265169 GALVAN RANCH A502H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273217 GALVAN RANCH A503H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273221 GALVAN RANCH A504H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273228


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ GALVAN RANCH A506H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273200 GALVAN RANCH A508H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273199 GALVAN RANCH A515H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273229 GALVAN RANCH A516H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273230 GALVAN RANCH A517H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273232 GALVAN RANCH A518H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273259 GALVAN RANCH A520H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273260 GALVAN RANCH A522H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270016 GALVAN RANCH A523H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270015 GALVAN RANCH A524H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270017 GALVAN RANCH A527H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 264977 GALVAN RANCH A528H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 263767 GALVAN RANCH A529H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 265517 GALVAN RANCH A530H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271945 GALVAN RANCH A531H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271818 GALVAN RANCH A532H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271947 GALVAN RANCH A535H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271826 GALVAN RANCH A536H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271824 GALVAN RANCH A537H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271939 GALVAN RANCH A539H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270008 GALVAN RANCH A540H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269554 GALVAN RANCH A541H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269604 GALVAN RANCH A545H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271525 GALVAN RANCH A547H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271526 GALVAN RANCH A551H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281146 GALVAN RANCH A552H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270010 GALVAN RANCH A553H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270009 GALVAN RANCH A556H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272016 GALVAN RANCH A558H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271528 GALVAN RANCH A560H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271529 GALVAN RANCH A561H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271825 GALVAN RANCH A562H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271638 GALVAN RANCH A564H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271635 GALVAN RANCH A566H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271688 GALVAN RANCH A567H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268634 GALVAN RANCH A568H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268633 GALVAN RANCH A569H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268637 GALVAN RANCH A755H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281097 GALVAN RANCH A756H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281069 GALVAN RANCH A757H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281047 GALVAN RANCH A758H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281045 GALVAN RANCH A760H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281046 GALVAN RANCH A762H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281093 GALVAN RANCH A764H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281760 GALVAN RANCH A765H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281758 GALVAN RANCH A845H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 282886 GALVAN RANCH A846H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 282884 GALVAN RANCH A847H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 282891 GALVAN RANCH A848H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 282892 GALVAN RANCH B101H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268492 GALVAN RANCH B102H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268493


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ GALVAN RANCH B103H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268841 GALVAN RANCH B104H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281168 GALVAN RANCH B105H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281170 GALVAN RANCH B106H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281011 GALVAN RANCH B107H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281015 GALVAN RANCH B108H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281172 GALVAN RANCH B109H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281016 GALVAN RANCH B115H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270014 GALVAN RANCH B117H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 283264 GALVAN RANCH B118H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 283351 GALVAN RANCH B127H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270012 GALVAN RANCH B128H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280697 GALVAN RANCH B129H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280699 GALVAN RANCH B130H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280695 GALVAN RANCH B138H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 266175 GALVAN RANCH B152H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 265079 GALVAN RANCH B237H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 274599 GALVAN RANCH B238H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 274785 GALVAN RANCH B239H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 274784 GALVAN RANCH B240H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 274859 GALVAN RANCH B242H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 274910 GALVAN RANCH B244H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276770 GALVAN RANCH B248H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276473 GALVAN RANCH B250H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 277834 GALVAN RANCH B252H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276459 GALVAN RANCH B253H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 275742 GALVAN RANCH B254H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 275269 GALVAN RANCH B255H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 275270 GALVAN RANCH B301H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279915 GALVAN RANCH B302H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279675 GALVAN RANCH B303H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280688 GALVAN RANCH B304H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281190 GALVAN RANCH B305H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279907 GALVAN RANCH B306H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279671 GALVAN RANCH B307H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272470 GALVAN RANCH B308H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272482 GALVAN RANCH B310H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272469 GALVAN RANCH B311H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273019 GALVAN RANCH B312H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273022 GALVAN RANCH B313H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273194 GALVAN RANCH B315H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270154 GALVAN RANCH B317H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272568 GALVAN RANCH B319H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272948 GALVAN RANCH B321H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272947 GALVAN RANCH B322H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273020 GALVAN RANCH B324H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273023 GALVAN RANCH B325H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280693 GALVAN RANCH B326H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281461 GALVAN RANCH B327H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271172 GALVAN RANCH B328H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279644 GALVAN RANCH B330H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279645


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ GALVAN RANCH B332H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279646 GALVAN RANCH B333H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279643 GALVAN RANCH B334H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 277755 GALVAN RANCH B336H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279364 GALVAN RANCH B340H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271519 GALVAN RANCH B341H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280689 GALVAN RANCH B342 BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271520 GALVAN RANCH B344H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271518 GALVAN RANCH B346H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 267935 GALVAN RANCH B352H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271541 GALVAN RANCH B353H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271543 GALVAN RANCH B354H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271542 GALVAN RANCH B355H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271523 GALVAN RANCH B356H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271522 GALVAN RANCH B357H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271521 GALVAN RANCH B358H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281291 GALVAN RANCH B359H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281472 GALVAN RANCH B360H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281400 GALVAN RANCH B362H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 288273 GALVAN RANCH B363H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 288443 GALVAN RANCH B405H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272478 GALVAN RANCH B406H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272479 GALVAN RANCH B408H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272485 GALVAN RANCH B410H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270171 GALVAN RANCH B411H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270183 GALVAN RANCH B412H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270180 GALVAN RANCH B415H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271174 GALVAN RANCH B417H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271173 GALVAN RANCH B419H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271171 GALVAN RANCH B421H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271170 GALVAN RANCH B423H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271531 GALVAN RANCH B425H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272015 GALVAN RANCH B427H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271533 GALVAN RANCH B428H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271540 GALVAN RANCH B430H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271538 GALVAN RANCH B432H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271535 GALVAN RANCH B433H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280691 GALVAN RANCH B434H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271295 GALVAN RANCH B436H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271296 GALVAN RANCH B438H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271297 GALVAN RANCH B605H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281017 GALVAN RANCH B606H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281094 GALVAN RANCH B607H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281018 GALVAN RANCH B608H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281135 GALVAN RANCH B609H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281068 GALVAN RANCH B617H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 283350 GALVAN RANCH B618H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 283352 GALVAN RANCH B628H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280696 GALVAN RANCH B629H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280698 GALVAN RANCH B630H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280694 GALVAN RANCH B826H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280489


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ GALVAN RANCH B858H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281471 GALVAN RANCH B859H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281475 GALVAN RANCH B860H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281399 GALVAN RANCH B904H LORENZO (AUSTIN CHALK) SM ENERGY COMPANY 287490 GALVAN RANCH C138H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281021 GALVAN RANCH C140H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281012 GALVAN RANCH C189H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279647 GALVAN RANCH C202H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279948 GALVAN RANCH C203H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280690 GALVAN RANCH C204H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279938 GALVAN RANCH C205H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279949 GALVAN RANCH C206H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279946 GALVAN RANCH C301H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281189 GALVAN RANCH C307H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268446 GALVAN RANCH C310H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273011 GALVAN RANCH C312H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276893 GALVAN RANCH C314H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 277273 GALVAN RANCH C316H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276892 GALVAN RANCH C403H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 267049 GALVAN RANCH C405H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281187 GALVAN RANCH C409H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271524 GALVAN RANCH C411H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 283851 GALVAN RANCH C412H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 283857 GALVAN RANCH C413H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 284692 GALVAN RANCH C414H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 284235 GALVAN RANCH C430H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 286397 GALVAN RANCH C444H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 285282 GALVAN RANCH C446H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 285258 GALVAN RANCH C454H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 264809 GALVAN RANCH C501H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281188 GALVAN RANCH C505H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270186 GALVAN RANCH C511H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 283852 GALVAN RANCH C512H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 283869 GALVAN RANCH C513H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 284274 GALVAN RANCH C514H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 284234 GALVAN RANCH C517H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273256 GALVAN RANCH C609H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271944 GALVAN RANCH C639H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281013 GALVAN RANCH C640H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281014 GALVAN RANCH C641H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281124 GALVAN RANCH C642H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281125 GALVAN RANCH C903H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 286398 GALVAN RANCH C917H LORENZO (AUSTIN CHALK) SM ENERGY COMPANY 285369 GALVAN RANCH C919H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 285260 GALVAN RANCH C921H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 285332 GALVAN RANCH LP 1H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 266258 GALVAN RANCH LP 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 267933 GALVAN RANCH LP 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268286 GALVAN RANCH LP 4H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270011 GALVAN RANCH LP 5H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273841 GALVAN RANCH LP 6H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273840


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ GALVAN RANCH LP 7H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273836 GALVAN RANCH LP 8H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 277833 GALVAN RANCH LP GU1 STATE 9H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 275268 GALVAN RANCH LP GU2 STATE 10H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273855 GALVAN RANCH LP GU3 STATE 19H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276706 GALVAN RANCH LP GU4 STATE 14H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 277455 GALVAN RANCH LP GU5 STATE 20H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279653 GALVAN RANCH LP GU6 STATE 21H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276803 GALVAN RANCH LP GU7 STATE 16H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276806 GALVAN RANCH LP GU8 STATE 15H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276802 GALVAN STATE 1H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 264607 GALVAN STATE 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 267934 GALVAN STATE 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269619 GALVAN STATE 4H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271128 GALVAN STATE 5H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273026 GALVAN STATE 6H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273024 GALVAN STATE 7H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273027 GALVAN STATE 13H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276809 GALVAN STATE GU1 8H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 275120 GALVAN STATE GU2 9H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 275250 GALVAN STATE GU3 10H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276709 GALVAN STATE GU4 11H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276808 GALVAN STATE GU5 12H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 276807 GALVAN-TREVINO 11H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 282312 GARNER, TULLY C. 97H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 254713 GARNER, TULLY C. 100H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 257689 GARZA-HOLCOMB 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 220045 GATES 'N' TR4 6 CATARINA, SW. (SAN MIGUEL-GAS) LEWIS PETRO PROPERTIES, INC. 275928 GATES 'N' TR4 7H CATARINA, SW. (SAN MIGUEL-GAS) LEWIS PETRO PROPERTIES, INC. 283713 GATES "O" TR3 2 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 220308 GATES "O" TR3 3 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 253106 GATES "O" TR3 4 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 256538 GATES N TR5 180 CATARINA, SW. (SAN MIGUEL-GAS) LEWIS PETRO PROPERTIES, INC. 275469 GATES O TR2 3 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 257900 GATES O TR2 4 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 272850 GATES O TR2 5H CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 282048 GATES RANCH 1 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 059872 GATES RANCH 10 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 061190 GATES RANCH 1031 CATARINA, SW. (SAN MIGUEL-GAS) LEWIS PETRO PROPERTIES, INC. 077562 GATES RANCH 1074 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 092178 GATES RANCH 1190 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 064782 GATES RANCH 1236 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 117968 GATES RANCH 2225 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 072909 GATES RANCH 3224 GATES CATARINA LEWIS PETRO PROPERTIES, INC. 076695 GATES RANCH 4031 CATARINA, SW. (SAN MIGUEL-GAS) LEWIS PETRO PROPERTIES, INC. 083204 GATES RANCH -A- 1110 CATARINA, SW (SAN MIGUEL,OIL) LEWIS PETRO PROPERTIES, INC. 282822 GATES RANCH "A" 1030 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 191282 GATES RANCH "A" 2203 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 065829 GATES RANCH "A" 3031 CATARINA, SW. (SAN MIGUEL-GAS) LEWIS PETRO PROPERTIES, INC. 194612 GATES 010 CHK-A TR3 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 261450 GATES 010 CHK-A TR3 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260395


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ GATES 010 CHK-A TR3 H 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275438 GATES 010 CHK-A TR3 H 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275275 GATES 010 CHK-A TR3 H 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275343 GATES 010 CHK-A TR3 I 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275346 GATES 010 CHK-A TR3 I 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275352 GATES 010 CHK-A TR3 I 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275274 GATES 010 CHK-A TR3 I 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275276 GATES 010 CHK-A TR3 J 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270896 GATES 010 CHK-A TR3 J 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270900 GATES 010 CHK-A TR3 L 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 263434 GATES 010 CHK-A TR3 L 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260516 GATES 010 CHK-A TR3 Q 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275354 GATES 010 CHK-A TR3 Q 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275288 GATES 010 CHK-B TR 1 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 261331 GATES 010 CHK-B TR 1 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 261561 GATES 010 CHK-B TR 1 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260517 GATES 010 CHK-B TR 1 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260528 GATES 010 CHK-B TR 1 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 261826 GATES 010 CHK-B TR 1 6H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260412 GATES 010 CHK-B TR 1 7H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260393 GATES 010 CHK-B TR 1 8H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260429 GATES 010 CHK-B TR 1 11H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260430 GATES 010 CHK-B TR 1 A 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 268163 GATES 010 CHK-B TR 1 A 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 268137 GATES 010 CHK-B TR 1 A 6H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 268136 GATES 010 CHK-B TR 1 A 8H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 269321 GATES 010 CHK-B TR 1 B 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 282150 GATES 010 CHK-B TR 1 B 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 282149 GATES 010 CHK-B TR 1 B 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 282176 GATES 010 CHK-B TR 1 B 6H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 282177 GATES 010 CHK-B TR 1 C 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273713 GATES 010 CHK-B TR 1 C 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273169 GATES 010 CHK-B TR 1 C 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273780 GATES 010 CHK-B TR 1 C 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273168 GATES 010 CHK-B TR 1 C 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273710 GATES 010 CHK-B TR 1 C 6H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273583 GATES 010 CHK-B TR 1 C 7H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273712 GATES 010 CHK-B TR 1 C 8H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273585 GATES 010 CHK-B TR 1 D 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 266065 GATES 010 CHK-B TR 1 D 6H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 266067 GATES 010 CHK-B TR 1 E 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260652 GATES 010 CHK-B TR 1 F 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 268056 GATES 010 CHK-B TR 1 F 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 268132 GATES 010 CHK-B TR 1 G 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 278614 GATES 010 CHK-B TR 1 G 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 278604 GATES 010 CHK-B TR 1 K 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270021 GATES 010 CHK-B TR 1 K 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 269966 GATES 010 CHK-B TR 1 K 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 269973 GATES 010 CHK-B TR 1 K 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270019 GATES 010 CHK-B TR 1 K 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270020 GATES 010 CHK-B TR 1 L 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 278615


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ GATES 010 CHK-B TR 1 L 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 278567 GATES 010 CHK-B TR 1 M 1 BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260483 GATES 010 CHK-B TR 1 N 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280488 GATES 010 CHK-B TR 1 N 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280487 GATES 010 CHK-B TR 1 N 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280508 GATES 010 CHK-B TR 1 P 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 286910 GATES 010 CHK-B TR 1 P 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 286295 GATES 010 CHK-B TR 1 Q 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 286376 GATES 010 CHK-B TR 1 R 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 287115 GATES 010 CHK-B TR 1 R 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 286215 GATES 010 CHK-B TR 1 R 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 286433 GATES 010 CHK-B TR1 F 2H LORENZO (AUSTIN CHALK) CHESAPEAKE OPERATING, L.L.C. 286620 GATES 010 CHK-B 1286 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260478 GATES 010 CHK-B 1286 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260480 GATES 010 CHK-B 1286 7H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260117 GATES 010 CHK-B 1286 8H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260205 GATES 010 CHK-B 1286 B 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 274087 GATES 010 CHK-B 1286 B 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 274094 GATES 010 CHK-B 1286 B 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 274082 GATES 010 CHK-B 1286 B 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 274079 GATES 010 CHK-B 1286 C 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270208 GATES 010 CHK-B 1286 C 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270211 GATES 010 CHK-B 1286 C 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270209 GATES 010 CHK-B 1286 C 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270255 GATES 010 CHK-B 1286 D 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 269359 GATES 010 CHK-B 1286 D 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 269390 GATES 010 CHK-B 1286 D 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 269360 GATES 010 CHK-B 1286 D 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 269389 GATES 010 CHK-B 1286 E 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275497 GATES 010 CHK-B 1286 E 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275503 GATES 010 CHK-B 1286 F 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275506 GATES 010 CHK-B 1286 F 6H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275508 GATES 05D UNIT K 5021A AMMANN (BUDA) ROSETTA RESOURCES OPERATING LP 285994 GATES 07-DR 1H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 257684 GATES 07-DR 2H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 260061 GATES 07-DR 3H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 260179 GATES 07-DR 4H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 264755 GATES 07-DR 5H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 263543 GATES 07-DR 6H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 260464 GATES 07-DR 7H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 260511 GATES 07-DR 8H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 279040 GATES 07-DR 9H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 279041 GATES 07-DR 10H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275356 GATES 07-DR 11H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275443 GATES 07-DR 12H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275442 GATES 07-DR 13H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276814 GATES 07-DR 14H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276815 GATES 07-DR 15H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276841 GATES 07-DR 17H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 266084 GATES 07-DR 18H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 266087 GATES 07-DR 20H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 266299


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ GATES 07-DR 21H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 266090 GATES 07-DR 22H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 266148 GATES 07-DR 23H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 267608 GATES 07-DR 24H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274492 GATES 07-DR 25H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 269837 GATES 07-DR 26H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274526 GATES 07-DR 27H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 270842 GATES 07-DR 29H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271906 GATES 07-DR 30H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 270573 GATES 07-DR 31H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 270587 GATES 07-DR 32H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271551 GATES 07-DR 33H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271552 GATES 07-DR 34H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272025 GATES 07-DR 37H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 269919 GATES 07-DR 38H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 269921 GATES 07-DR 40H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 269454 GATES 07-DR 41H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273362 GATES 07-DR 44H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271451 GATES 07-DR 45H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271452 GATES 07-DR 46H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271455 GATES 07-DR 47H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274442 GATES 07-DR 48H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273903 GATES 07-DR 49H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274261 GATES 07-DR 50H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274487 GATES 07-DR 51H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274245 GATES 07-DR 52H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 279123 GATES 07-DR 53H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275447 GATES 07-DR 54H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275811 GATES 07-DR 55H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272766 GATES 07-DR 56H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272790 GATES 07-DR 57H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274615 GATES 07-DR 58H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 268868 GATES 07-DR 59H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 268879 GATES 07-DR 60H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271961 GATES 07-DR 61H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271960 GATES 07-DR 62H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271419 GATES 07-DR 63H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273895 GATES 07-DR 64H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273896 GATES 07-DR 65H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274388 GATES 07-DR 66H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272522 GATES 07-DR 67H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271993 GATES 07-DR 68H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272391 GATES 07-DR 69H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271991 GATES 07-DR 70H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271994 GATES 07-DR 71H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272521 GATES 07-DR 72H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 269986 GATES 07-DR 73H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 270590 GATES 07-DR 74H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 269987 GATES 07-DR 75H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 270576 GATES 07-DR 76H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 270560 GATES 07-DR 77H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 270271


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ GATES 07-DR 81H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271983 GATES 07-DR 83H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271964 GATES 07-DR 84H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274939 GATES 07-DR 85H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275628 GATES 07-DR 86H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274940 GATES 07-DR 87H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275470 GATES 07-DR 88H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274959 GATES 07-DR 89H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274941 GATES 07-DR 90H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276712 GATES 07-DR 91H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274617 GATES 07-DR 92H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274235 GATES 07-DR 93H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274236 GATES 07-DR 94H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274237 GATES 07-DR 95H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274275 GATES 07-DR 96H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271410 GATES 07-DR 97H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271411 GATES 07-DR 100H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272751 GATES 07-DR 101H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274244 GATES 07-DR 102H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275512 GATES 07-DR 103H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275452 GATES 07-DR 104H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275450 GATES 07-DR 105H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275448 GATES 07-DR 107H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276810 GATES 07-DR 108H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275445 GATES 07-DR 109H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275444 GATES 07-DR 110H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271409 GATES 07-DR 111H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274264 GATES 07-DR 112H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274233 GATES 07-DR 169H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274597 GATES 07-DR 170H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274517 GATES 07-DR 184H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276718 GATES 07-DR 185H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276720 GATES 07-DR 186H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276721 GATES 07-DR 187H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276359 GATES 07-DR 202H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 279299 GATES 07-DR 203H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 279318 GATES 07-DR GU CC 167H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276971 GATES 07-DR GU DD 168H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276363 GATES 11-DR 28H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 268956 GATES 11-DR 35H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 268980 GATES 11-DR 36H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 269915 GATES 11-DR 78H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 269908 GATES 11-DR 79H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 269911 GATES 11-DR 80H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 269914 GATES 11-DR 122H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278993 GATES 11-DR 123H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278947 GATES 11-DR 124H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278949 GATES 11-DR 125H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276253 GATES 11-DR 126H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276257 GATES 11-DR 127H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276091 GATES 11-DR 129H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276328


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ GATES 11-DR 130H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276365 GATES 11-DR 131H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274598 GATES 11-DR 132H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278747 GATES 11-DR 133H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274927 GATES 11-DR 134H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276341 GATES 11-DR 135H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276397 GATES 11-DR 136H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276407 GATES 11-DR 137H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276382 GATES 11-DR 138H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276408 GATES 11-DR 139H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276381 GATES 11-DR 140H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273897 GATES 11-DR 141H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274286 GATES 11-DR 142H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273272 GATES 11-DR 143H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 277935 GATES 11-DR 144H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274936 GATES 11-DR 145H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274894 GATES 11-DR 146H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274893 GATES 11-DR 147H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274877 GATES 11-DR 148HR BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274933 GATES 11-DR 149H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274934 GATES 11-DR 150H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275464 GATES 11-DR 151H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275468 GATES 11-DR 152H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275467 GATES 11-DR 153H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275466 GATES 11-DR 154H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275465 GATES 11-DR 155H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275463 GATES 11-DR 156H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 280922 GATES 11-DR 157H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 280895 GATES 11-DR 159H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272984 GATES 11-DR 160H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273161 GATES 11-DR 161H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272988 GATES 11-DR 162H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278839 GATES 11-DR 163H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278863 GATES 11-DR 164HR BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 281067 GATES 11-DR 171H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276255 GATES 11-DR 172H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276254 GATES 11-DR 174H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278924 GATES 11-DR 175H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278923 GATES 11-DR 176H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278934 GATES 11-DR 177H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278938 GATES 11-DR 178H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278620 GATES 11-DR 179H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278621 GATES 11-DR 182H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276383 GATES 11-DR 183H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276256 GATES 11-DR 192H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278926 GATES 11-DR 193H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278952 GATES 11-DR 200H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 279206 GATES 11-DR 201H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 279207 GATES 11-DR GU EE 128H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276352 GATES 11-DR GU FF 119H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276075 GATES 11-DR GU GG 120H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276076


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ GATES 11-DR GU HH 121H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276078 GATES 11-DR GU JJ 173H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278921 GATES 11-DR PSA 'A' 206H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 283538 GATES 11-DR PSA 'B' 207H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 283477 GENTRY 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 268153 GENTRY 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 267929 GENTRY 4H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 268355 GENTRY 5H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 267910 GENTRY 6H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 268356 GENTRY 7H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 268914 GENTRY 8H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 268684 GENTRY 9H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 267109 GENTRY 10 H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 266937 GENTRY 12H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 269138 GENTRY 13H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 268146 GENTRY 18H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 268152 GENTRY 27H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 268689 GENTRY 29H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 268357 GENTRY 30H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 288319 GENTRY 33H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 288495 GEORGE "A" 1 COOKE (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 151834 GEORGE LIGHT 1395 7H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 267647 GEORGE NEEL (EF) 1H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 266972 GEORGE, W. H. -18- 1 LA ROSITA (GEORGETOWN) GEORGE, W.H. JR. 055329 GILBERT-LANDRUM A UNIT 40H EAGLEVILLE (EAGLE FORD-1) EP ENERGY E&P COMPANY, L.P. 277086 GILBERT-LANDRUM B UNIT 41H EAGLEVILLE (EAGLE FORD-1) EP ENERGY E&P COMPANY, L.P. 276726 GILL, A. T. 6 EL INDIO (OLMOS A-4) GILL, A. T. 063050 GILL, A. T. 741 EL INDIO (OLMOS A-4) M-TEX INC. 061279 GLADYS WHEELER 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 268148 GLADYS WHEELER 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 264460 GLADYS WHEELER 10H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271392 GLADYS WHEELER 11H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272089 GLADYS WHEELER 12H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271234 GLADYS WHEELER A 3H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 266088 GLADYS WHEELER A 5H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 272793 GLADYS WHEELER A 6H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 274717 GLADYS WHEELER A 8H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 273581 GLADYS WHEELER A 9H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 276989 GLADYS WHEELER UNIT 4 15H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 277607 GLADYS WHEELER UNIT 4 16H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 278749 GLADYS WHEELER UNIT 5 4H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270654 GLASS A 4501H BRISCOE RANCH (EAGLEFORD) ENDEAVOR NATURAL GAS, LP 265732 GLASS A 5401H BRISCOE RANCH (EAGLEFORD) ENDEAVOR NATURAL GAS, LP 265736 GLASS B 8201H BRISCOE RANCH (EAGLEFORD) ENDEAVOR NATURAL GAS, LP 265731 GLASS B 8601H BRISCOE RANCH (EAGLEFORD) ENDEAVOR NATURAL GAS, LP 264211 GLASS UNIT 1 1H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 267256 GLASSCOCK 1 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 141321 GLASSCOCK 2 DEVILS RIVER (STRAWN) PALUXY OIL & GAS, LLC 065688 GLASSCOCK 2 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 142611 GLASSCOCK 3 EPPERSON (CANYON SAND) SAGA PETROLEUM LLC OF COLORADO 144102 GLASSCOCK 4 EPPERSON (CANYON SAND) SAGA PETROLEUM LLC OF COLORADO 144101


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ GLASSCOCK 16 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 233814 GLASSCOCK 401 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 138602 GLASSCOCK 501 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 139870 GLASSCOCK 504 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 138604 GLASSCOCK 1701 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 138596 GLASSCOCK 1901 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 138324 GLASSCOCK "19" 2 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 169384 GLASSCOCK 18 13 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 233813 GLASSCOCK 26 1 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 243045 GLASSCOCK, BERTHA 2 DEVILS RIVER (STRAWN) PALUXY OIL & GAS, LLC 067604 GLASSCOCK, BERTHA 3 DEVILS RIVER (STRAWN) PALUXY OIL & GAS, LLC 068623 GLASSCOCK, BERTHA 3 DEVILS RIVER (STRAWN) PALUXY OIL & GAS, LLC 077669 GLASSCOCK, BERTHA 4A DEVILS RIVER (STRAWN) PALUXY OIL & GAS, LLC 070687 GLASSCOCK, BERTHA 5 DEVILS RIVER (STRAWN) PALUXY OIL & GAS, LLC 070691 GLASSCOCK, LETA 21 PEARSALL (AUSTIN CHALK) MATADOR PRODUCTION COMPANY 139614 GLASSCOCK, LETA 461 LETA (SAN MIGUEL-A) SABINAL RESOURCES, INC. 222547 GLASSCOCK, LETA J. 1 LETA (SAN MIGUEL) MATADOR PRODUCTION COMPANY 053713 GLASSCOCK, LETA J. 2 LETA (SAN MIGUEL) MATADOR PRODUCTION COMPANY 053714 GLAU, J. 1 LA CHUSA (SLIGO) UMMA RESOURCES, LLC 130170 GOERING, A. E. 1 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 033700 GOLLA 7 1 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 183708 GOLLA 7 2 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 193645 GOLLA 7 3 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 245145 GOLLA 7 5 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 248919 GOLLA 7 7H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 255730 GOLLA 7 8H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269936 GONZALEZ-STATE 1457 GU 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 260378 GOODRIDGE B 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 266321 GOODRIDGE 2401H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 255146 GOUGER G/U #4 O/A 2 H CAMPANA, SOUTH (1450) FOURTH FLOOR OPERATING LLC 083780 GOUGER GAS UNIT NO 4 O/A 7 CAMPANA, SOUTH (1500) FOURTH FLOOR OPERATING LLC 132133 GOUGER GAS UNIT NO. 4 8 CAMPANA, SOUTH (1600) FOURTH FLOOR OPERATING LLC 130823 GOUGER GAS UNIT NO. 4 O/A 2 F ROOS (WILCOX 7500) FOURTH FLOOR OPERATING LLC 040834 GOUGER GAS UNIT NO. 5 O/A 1 ROOS (WILCOX 7500) PEARL, BILL H. PRODUCTIONS, INC. 000439 GOUGER GAS UNIT NO. 6 O/A 1 ROOS (WILCOX 7500) PEARL, BILL H. PRODUCTIONS, INC. 000440 GOUGER GU 4 O/A 4 CAMPANA, SOUTH (YEGUA 4300) FOURTH FLOOR OPERATING LLC 239186 GOUGER, H. E. FEE NCT-4 8 HOSTETTER (WILCOX 9,900) BLACKBEARD OPERATING, LLC 156685 GOUGER, H.E. FEE NCT-4 5 HOSTETTER (WILCOX 9,900) BLACKBEARD OPERATING, LLC 157469 GOUGER, H.E. FEE NCT-4 5 HOSTETTER (WILCOX 10300) BLACKBEARD OPERATING, LLC 151645 GOUGER, H.E. FEE NCT-4 8 HOSTETTER (WILCOX 10300) BLACKBEARD OPERATING, LLC 153989 GREER 6401 GOLDMAN (CANYON) RIO-TEX, INC. 183515 GREER, JAMES L. 1 GOLDMAN (CANYON) RIO-TEX, INC. 171045 GROCE, J. G. 1 PENA CREEK (OLMOS 2350) DAO OIL AND GAS 147830 GUBBELS 7 SAN MIGUEL CREEK (EDWARDS LIME) ENERQUEST OPERATING L.L.C. 042427 GUBBELS 35 SAN MIGUEL CREEK (EDWARDS LIME) ENERQUEST OPERATING L.L.C. 234773 GUBBELS 49 SAN MIGUEL CREEK (EDWARDS LIME) ENERQUEST OPERATING L.L.C. 261830 GUBBELS UNIT 1 SAN MIGUEL CREEK (BUDA) ENERQUEST OPERATING L.L.C. 160860 GUIDA ROSE 1 VINEGARONE (STRAWN) EPIC PERMIAN OPERATING, LLC 000505 GUIDA ROSE 2 VINEGARONE (STRAWN) EPIC PERMIAN OPERATING, LLC 161504 GUIDA ROSE 3 VINEGARONE (STRAWN) EPIC PERMIAN OPERATING, LLC 163603 GUTIERREZ 1H SUN T S H (OLMOS) SBOG, LLC 277786


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ GUTIERREZ A 3R SUN T S H (OLMOS) FLETCHER OPERATING, LLC 169758 GUTIERREZ A 6R SUN T S H (OLMOS) FLETCHER OPERATING, LLC 224980 GUTIERREZ A 8R SUN T S H (OLMOS) FLETCHER OPERATING, LLC 227491 GUTIERREZ B 4R SUN T S H (OLMOS) FLETCHER OPERATING, LLC 165568 GUTIERREZ C 2R SUN T S H (OLMOS) FLETCHER OPERATING, LLC 214672 GUTIERREZ C 7R SUN T S H (OLMOS) FLETCHER OPERATING, LLC 229770 GUTIERREZ D 3 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 112227 GUTIERREZ E 2 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 112228 GUTIERREZ E 5 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 207421 GUTIERREZ E 6 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 245781 GUTIERREZ F 1 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 193512 GUTIERREZ F 04 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 204699 GUTIERREZ-LEYENDECKER 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 258903 GUTIERREZ-LEYENDECKER 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 265629 GUTIERREZ-LEYENDECKER 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270057 GUTIERREZ-LEYENDECKER 4H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 282189 GUTIERREZ-LEYENDECKER 5H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 285416 GUTIERREZ-LEYENDECKER 6H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 286991 GUTIERREZ-LEYENDECKER 7H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 286179 GUTIERREZ-LEYENDECKER 8H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 286992 GUTIERREZ, B 5R SUN T S H (OLMOS) FLETCHER OPERATING, LLC 225169 GUTIERREZ, R. M. 2 STUART CITY (EDWARDS LIME) SILVERBOW RESOURCES OPER, LLC 144751 GUTIERREZ, RAYMOND 2801 SUN T S H (OLMOS) VIRTEX OPERATING COMPANY, INC. 187445 GUTIERREZ, RAYMOND 2802 SUN T S H (OLMOS) VIRTEX OPERATING COMPANY, INC. 243077 H.E. GOUGER FEE 9 HOSTETTER (QUEEN CITY 6800) BLACKBEARD OPERATING, LLC 272971 H&F PROPERTIES 38-37 3-C BRACERO, N.E. (OLMOS) RETAMA OIL CORPORATION 136630 HAASS, RANDY 3 TAYLOR-INA HAASS, DOUGLAS L. 084568 HABY 140 ROCKSPRINGS, W. (CANYON) THOMPSON, J. CLEO 143085 HABY 148 ROCKSPRINGS, W. (CANYON) THOMPSON, J. CLEO 142265 HABY 240 ROCKSPRINGS, W. (CANYON) THOMPSON, J. CLEO 143499 HABY 248 ROCKSPRINGS, W. (CANYON) THOMPSON, J. CLEO 143161 HABY 348 ROCKSPRINGS, W. (CANYON) THOMPSON, J. CLEO 160869 HACHAR 2H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 261381 HACHAR 'A' 1H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 281687 HACHAR 'A' 2H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 282017 HACHAR 1476 18H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 266440 HACKBERRY 1201 BAXTER-WENTWORTH (CANYON SAND) TIDWELL PRODUCTION COMPANY 109283 HACKBERRY CANYON "120" 1 BAXTER-WENTWORTH (CANYON SAND) OXY USA INC. 115314 HACKBERRY CANYON "121-1/2" 1 BAXTER-WENTWORTH (CANYON SAND) OXY USA INC. 114792 HACKBERRY CANYON "121" 1 BAXTER-WENTWORTH (CANYON SAND) OXY USA INC. 114793 HACKBERRY CANYON "122" 1 BAXTER-WENTWORTH (CANYON SAND) OXY USA INC. 118020 HACKBERRY CANYON "122" 4 BAXTER-WENTWORTH (CANYON SAND) OXY USA INC. 119021 HACKBERRY CANYON "124" 1 BAXTER-WENTWORTH (CANYON SAND) OXY USA INC. 197971 HACKENBERRY CANYON 121 1/2 2 BAXTER-WENTWORTH (CANYON SAND) OXY USA INC. 201027 HAGIST 1C LOMA ALTA (WILCOX C) BRITANCO, L.L.C. 152420 HAGIST RANCH 1 HAGIST RANCH, NORTH (FRIO 1200) SAN ANTONIO OIL & GAS CORP. 074721 HAGIST RANCH 1 HAGIST RANCH, N. (WILCOX 6600) KIRKWOOD & MORGAN, INC. 000267 HAGIST RANCH 1 LOMA ALTA (WILCOX C) BRITANCO, L.L.C. 095832 HAGIST RANCH 1 U LOMA ALTA (WILCOX B) CANNAN, MORRIS 035242 HAGIST RANCH 1S LOMA ALTA (3500) BRITANCO, L.L.C. 101936 HALLIE BLACK "3A" 12 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 244944


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ HALLIE BLACK 3A 11 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 250893 HALLIE BLACK 4B 402 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 247478 HALLIE BLACK 4B 403 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 251565 HALLIE BLACK 4B 404 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 251657 HALSELL -B- 1 MULE CREEK (OLMOS) RALSTON OIL & GAS COMPANY 061022 HALSELL RANCH -14- 1 PENDENCIA (OLMOS) ALLEN, J. D. DRILLING CO., INC. 075787 HALSELL RANCH -26- 1 PENDENCIA (ESCONDIDO) ALLEN, J. D. DRILLING CO., INC. 070270 HAMILTON 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 273711 HAMILTON 22H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 283431 HAMILTON 23H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 282959 HAMILTON 25H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284321 HAMILTON 26H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284065 HAMILTON 27H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284113 HAMILTON 171 H PENA CREEK (GEORGETOWN) HAMILTON, CLAY 251336 HAMILTON 1101 BETH (OLMOS 3-B SAND) HAMILTON, CLAY 280110 HAMILTON RANCH 1 HAMILTON RANCH (OLMOS) HAMILTON, CLAY 286446 HAMILTON-SLAUGHTER 24H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 283012 HAMILTON-SLAUGHTER-LONG PSA A 28H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 286138 HAMILTON-SLAUGHTER-LONG PSA B 29H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 286139 HAMILTON-SLAUGHTER-LONG PSA C 31H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 286976 HAMMOND, ADA E. -A- 2 HAMMOND (OLMOS SAND) ARRCO OPERATING, LLC - 049117 HARDIN SWD 1 RHODE RANCH, SOUTH (QUEEN CITY) EL DORADO GAS & OIL, INC. 176018 HARLAN, R. K. 1FD DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 069792 HARLAN, R. K. 2 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 071147 HARLAN, R. K. 2FD DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 214724 HARLAN, R. K. 3FD DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 071146 HARLAN, R. K. 5 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 191822 HARLAN, R. K. 6 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 194195 HARLAN, R. K. 7 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 194191 HARLAN, R. K. 8 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 238725 HARLAN, R. K. 9 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 251165 HARLAN, R. K. 10 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 232696 HARLAN, R. K. 11 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 230132 HARLAN, R. K. 13 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 254230 HARLAN, R. K. 16 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 247424 HARLAN, R. K. 17 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 249809 HARLAN, R. K. 802 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 241711 HARLE 3H EAGLEVILLE (EAGLE FORD-1) LEWIS PETRO PROPERTIES, INC. 269791 HARRIS, L. 1 CAMPANA, SOUTH(GOVT. WELLS 2600) G. & M. ENERGY COMPANY 000099 HARRIS, MARTIN 9 SOPHIA (WILCOX CONSOL.) HAWTHORN ENERGY PARTNERS, LLC 200487 HARRIS, MARTIN R. 10 SOPHIA (WILCOX CONSOL.) HAWTHORN ENERGY PARTNERS, LLC 201319 HARRISON INTERESTS LTD. -H- FEE 1A PILONCILLO RANCH (OLMOS) HARRISON INTERESTS, LTD. 071125 HARROD-MCCLAUGHERTY UNIT 1H EAGLEVILLE (EAGLE FORD-1) XTO ENERGY INC. 265600 HARROD-MCCLAUGHERTY UNIT 2H EAGLEVILLE (EAGLE FORD-1) XTO ENERGY INC. 265601 HAYES-EZZELL 2 C SAN CAJA (BLOCK 85 SD) HEDRICK PRODUCTION INC. 076713 HAYES-EZZELL 2 T SAN CAJA (BLK 86 SD.) HEDRICK PRODUCTION INC. 076846 HEIM 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 253307 HEIM 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260129 HEIM 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260596 HEIM 4H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273515 HEIM 5H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273706


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ HEIM-CRAFT UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 267435 HENDERSON ET AL GAS UNIT #2 3 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 151595 HENDERSON ET AL UNIT #1 2 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 091131 HENDERSON ET AL UNIT #1 4 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 145061 HENDERSON ET AL UNIT #1 5 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 151629 HENDERSON ET AL UNIT #1 6 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 164105 HENDERSON ET AL UNIT #1 7 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 184571 HENDERSON-CENIZO 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 251105 HENDERSON-CENIZO 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 251817 HENDERSON-CENIZO 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 255994 HENDERSON-CENIZO 4H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 259429 HENDERSON-CENIZO 5H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260173 HENDERSON-CENIZO 6H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260592 HENDERSON-CENIZO 7H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 288259 HENDERSON-CENIZO 8H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287500 HENDERSON-CENIZO 10H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 288404 HENDERSON-CENIZO 11H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 288230 HENDERSON-CENIZO PSA A 9H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 288228 HENDERSON-CENIZO PSA B 12H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 288286 HENDERSON-CENIZO PSA C 13H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 288288 HENDERSON-CENIZO UNIT 8 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270943 HENDERSON, ET AL GAS UNIT #2 2 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 095344 HENDERSON, GARRETT 4 U FASHING (EDWARDS LIME -A-) HOWELL, DAVID 092615 HENKE, H. A. 1 BELLE BRANCH J. D. PRODUCTION 066898 HENKE, H. A. 2 BELLE BRANCH J. D. PRODUCTION 066899 HENRY, ALLYE 3 DILWORTH,SOUTHEAST(EDWARDS LIME) SUTTON PRODUCING CORP. 253461 HENRY, J. B. 1H HENRY DOME (EDWARDS) PROLINE ENERGY RESOURCES INC 074935 HERNANDEZ, ROMAN 1 BIG FOOT (OLMOS) VIRTEX OPERATING COMPANY, INC. 058693 HERNANDEZ, ROMAN 2 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000033 HERRADURA RANCH 1 HERRADURA (1ST YEGUA) BOOMERANG OIL & GAS LLC 154999 HERRADURA RANCH 7 HERRADURA (1ST YEGUA) BOOMERANG OIL & GAS LLC 234729 HERRADURA RANCH 9 HERRADURA (1ST YEGUA) GGG OIL COMPANY, LTD. 235213 HERRADURA RANCH 10 HERRADURA (1ST YEGUA) GGG OIL COMPANY, LTD. 253225 HERRADURA RANCH "A" 4A HERRADURA (1ST YEGUA) BOOMERANG OIL & GAS LLC 160067 HESTER 1 LEONA RIVER (ESCONDIDO D-1) EXCO OPERATING COMPANY, LP 115918 HICKEY 1 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 075088 HICKEY 1A ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 082205 HICKEY 2 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 214486 HICKEY 3 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 214487 HICKEY 3 ADAMS (OLMOS NAVARRO) HICKEY, EUGENE 121674 HICKEY 4 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 214488 HICKEY 6 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 210944 HICKEY 7 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 232955 HICKEY 8 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 233333 HICKEY 9 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 247403 HIGHWAY 183 SWD 1 EAGLEVILLE (EAGLE FORD-1) DOUBLE PLAY OIL & GAS, INC 264558 HILBIG OIL UNIT NO. 1 3H HILBIG LOWER COLORADO RIVER AUTHORITY 146004 HILBIG OIL UNIT NO. 1 4H HILBIG LOWER COLORADO RIVER AUTHORITY 145809 HILBIG OIL UNIT NO. 1 6H HILBIG LOWER COLORADO RIVER AUTHORITY 147061 HILBIG OIL UNIT NO. 1 11H HILBIG LOWER COLORADO RIVER AUTHORITY 145270 HILBIG OIL UNIT NO. 1 12H HILBIG LOWER COLORADO RIVER AUTHORITY 146208


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ HILBIG OIL UNIT NO. 1 13H HILBIG LOWER COLORADO RIVER AUTHORITY 146015 HILBIG OIL UNIT NO. 1 17H HILBIG LOWER COLORADO RIVER AUTHORITY 146652 HILBIG OIL UNIT NO. 1 17H HILBIG LOWER COLORADO RIVER AUTHORITY 151599 HILBIG OIL UNIT NO. 1 18H HILBIG LOWER COLORADO RIVER AUTHORITY 146648 HILBIG OIL UNIT NO. 1 19H HILBIG LOWER COLORADO RIVER AUTHORITY 146014 HILBIG OIL UNIT NO. 1 21H HILBIG LOWER COLORADO RIVER AUTHORITY 146013 HILBIG OIL UNIT NO. 1 22H HILBIG LOWER COLORADO RIVER AUTHORITY 146207 HILBIG OIL UNIT NO. 1 23H HILBIG LOWER COLORADO RIVER AUTHORITY 146012 HILBIG OIL UNIT NO. 1 24H HILBIG LOWER COLORADO RIVER AUTHORITY 146651 HILBIG OIL UNIT NO. 1 25H HILBIG LOWER COLORADO RIVER AUTHORITY 146650 HILBIG OIL UNIT NO. 1 26H HILBIG LOWER COLORADO RIVER AUTHORITY 146649 HILBIG OIL UNIT NO. 1 27H HILBIG LOWER COLORADO RIVER AUTHORITY 146647 HILBIG OIL UNIT NO. 1 27H HILBIG LOWER COLORADO RIVER AUTHORITY 151598 HILBIG UNIT 1H HILBIG LOWER COLORADO RIVER AUTHORITY 141014 HILBIG UNIT 2H HILBIG LOWER COLORADO RIVER AUTHORITY 141013 HILBIG UNIT 5H HILBIG LOWER COLORADO RIVER AUTHORITY 145685 HILBIG UNIT NO. 1 7H HILBIG LOWER COLORADO RIVER AUTHORITY 145695 HILBIG UNIT NO. 1 8H HILBIG LOWER COLORADO RIVER AUTHORITY 145702 HILBIG UNIT NO. 1 9H HILBIG LOWER COLORADO RIVER AUTHORITY 145808 HILBIG UNIT STORAGE RECORD 1 HILBIG LOWER COLORADO RIVER AUTHORITY 146002 HILBIG, FRED 1 HILBIG, SOUTH (NAVARRO) SAHARA OIL AND GAS, INC. 098852 HILL 2 FRANCES HILL (PENN, LOWER) TRIPLE G OPERATING, LLC 159863 HILL -68- 1 L FRANCES HILL (PENN) PETEX 063705 HILL -68- 1 U FRANCES HILL (CANYON) PETEX 063704 HILL -86- 1 FRANCES HILL (PENN) HAMMAN OIL & REFINING COMPANY 182819 HILL -86- 2 FRANCES HILL (PENN) PETEX 066314 HILL-ROUSSELOT "B" 4 KELLEY (ELLENBURGER) UPP OPERATING, LLC 257853 HILL, FRANCES -66- 2 FRANCES HILL (PENN, LOWER) HENRY PETROLEUM LLC 160065 HILL, FRANCES -66- 3 FRANCES HILL (PENN, LOWER) HENRY PETROLEUM LLC 164929 HILL, FRANCES -67- 2 FRANCES HILL (PENN, LOWER) HENRY PETROLEUM LLC 159920 HILL, FRANCES -67- 3 FRANCES HILL (CANYON) HENRY PETROLEUM LLC 165378 HILL, FRANCES -68- 3 FRANCES HILL (PENN) JOHNSON & LINDLEY, LLC 053096 HILL, FRANCES -85- 2 FRANCES HILL (PENN) HENRY PETROLEUM LLC 186261 HILL, FRANCES -85- 2 FRANCES HILL (PENN) JOHNSON & LINDLEY, LLC 052528 HILL, FRANCES -89- 3 FRANCES HILL (CANYON) HENRY PETROLEUM LLC 160169 HILL, FRANCES "85" 6 FRANCES HILL (PENN) JOHNSON & LINDLEY, LLC 148187 HILL, FRANCIS -85- 1 FRANCES HILL (PENN) HENRY PETROLEUM LLC 056796 HILL, FRANCIS -89- 1 FRANCES HILL (PENN) HENRY PETROLEUM LLC 060823 HILL, GRADY 1 FRANCES HILL (PENN) HENRY PETROLEUM LLC 143469 HILL, GRADY 2 FRANCES HILL (PENN) HENRY PETROLEUM LLC 143470 HITCHCOCK 1 DENT INGRAM (OLMOS 1) L & J EXPLORATION, LLC 211031 HITCHCOCK -A- UNIT 4A SAINT THIRTEEN (OLMOS NO. 2) L & J EXPLORATION, LLC 251838 HITZFELDER 1 CORN (OLMOS D-2) PROPERTY DEVELOPMENT GROUP, INC. 194342 HITZFELDER 4 PRUE RANCH (OLMOS A) PROPERTY DEVELOPMENT GROUP, INC. 175067 HITZFELDER 6 PRUE RANCH (OLMOS A) PROPERTY DEVELOPMENT GROUP, INC. 193850 HIXON 1 COOKE (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 176535 HIXON 2H EAGLEVILLE (EAGLE FORD-1) LEWIS PETRO PROPERTIES, INC. 268639 HOLLAND HEIRS GAS UNIT 1 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 243055 HOLMAN-FAGAN 2401 FRANCES HILL (PENN, LOWER) TRIPLE G OPERATING, LLC 179953 HOLMAN-FAGAN 2402 FRANCES HILL (PENN, LOWER) TRIPLE G OPERATING, LLC 178560 HOLMAN-FAGAN 4102 FRANCES HILL (PENN, LOWER) TRIPLE G OPERATING, LLC 178562


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ HOLMAN-FAGAN 4201 FRANCES HILL (PENN, LOWER) TRIPLE G OPERATING, LLC 169830 HOLMAN-FAGAN 4301 FRANCES HILL (PENN, LOWER) TRIPLE G OPERATING, LLC 175139 HOLMAN-FAGAN 4601 FRANCES HILL (PENN, LOWER) TRIPLE G OPERATING, LLC 169643 HOLMAN-FAGAN 4602 FRANCES HILL (PENN, LOWER) TRIPLE G OPERATING, LLC 171726 HOLMAN-FAGAN "44" 2 FRANCES HILL (PENN, LOWER) THOMPSON, J. CLEO 172427 HOLMAN-FAGAN 44 1 FRANCES HILL (PENN, LOWER) THOMPSON, J. CLEO 171797 HOLMAN, A. D. 1026 HOLMAN RANCH, N (PENN) UPP OPERATING, LLC 052690 HOLMAN, W. T. O. 1025 HOLMAN RANCH, N (PENN) UPP OPERATING, LLC 054077 HOPKINS, C. D. -A- 1 ROCKSPRINGS, W. (CANYON) UPP OPERATING, LLC 072157 HORNED FROG A UNIT 1H HAWKVILLE (EAGLEFORD SHALE) LONESTAR OPERATING, LLC 278895 HORNED FROG B UNIT 1H HAWKVILLE (EAGLEFORD SHALE) LONESTAR OPERATING, LLC 278919 HORNED FROG D UNIT 1H HAWKVILLE (EAGLEFORD SHALE) LONESTAR OPERATING, LLC 279899 HORNED FROG E UNIT 1H HAWKVILLE (EAGLEFORD SHALE) LONESTAR OPERATING, LLC 280475 HORNED FROG F-A 1H HAWKVILLE (EAGLEFORD SHALE) LONESTAR OPERATING, LLC 287667 HORNED FROG F-B 1H HAWKVILLE (EAGLEFORD SHALE) LONESTAR OPERATING, LLC 287668 HORNED FROG G UNIT 1H HAWKVILLE (EAGLEFORD SHALE) LONESTAR OPERATING, LLC 284580 HORNED FROG H UNIT 1H HAWKVILLE (EAGLEFORD SHALE) LONESTAR OPERATING, LLC 284521 HORNED FROG NW A UNIT 2H HAWKVILLE (EAGLEFORD SHALE) LONESTAR OPERATING, LLC 284963 HORNED FROG NW B UNIT 3H HAWKVILLE (EAGLEFORD SHALE) LONESTAR OPERATING, LLC 284964 HORNED FROG NW BC UNIT 4H HAWKVILLE (EAGLEFORD SHALE) LONESTAR OPERATING, LLC 287762 HORNED FROG NW C UNIT 5H HAWKVILLE (EAGLEFORD SHALE) LONESTAR OPERATING, LLC 287842 HORTON 11 A.W.P. (OLMOS) XTO ENERGY INC. 111167 HORTON 12 A.W.P. (OLMOS) XTO ENERGY INC. 111801 HORTON, F. B. 1 JACOB (850) COASTAL BEND OIL CO. 000329 HORTON, R. P. 23 A.W.P. (OLMOS) XTO ENERGY INC. 125176 HORTON, R. P. 24 A.W.P. (OLMOS) XTO ENERGY INC. 126364 HORTON, R. P. 27 A.W.P. (OLMOS) XTO ENERGY INC. 161442 HORTON, R. P. ET AL 2 A.W.P. (OLMOS) XTO ENERGY INC. 105663 HORTON, R. P. ET AL 4 A.W.P. (OLMOS) XTO ENERGY INC. 107332 HORTON, R. P. ET AL 17 A.W.P. (OLMOS) XTO ENERGY INC. 113704 HOSTETTER, A. M. 7 HOSTETTER (WILCOX A) BLACKBEARD OPERATING, LLC 146657 HOUSE UNIT 1 1H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 269628 HOUSE UNIT 2 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 267848 HOUSE, H. D. "B" 1 CALLIHAM, SOUTH (1100) SCHROEDER PRODUCTION LLC 098627 HOUSE, H.D. "B" 2 DEBBY (GOV'T WELLS) SCHROEDER PRODUCTION LLC 214647 HOWARD, DELLA F. 1 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000034 HUBBARD D 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 270436 HUBBARD RANCH 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 260060 HUBBARD RANCH D 3H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 271051 HUBERT STONE 01 01H HAWKVILLE (EAGLEFORD SHALE) SEA EAGLE FORD, LLC 265976 HUFF 1 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 160569 HUFF 1A A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 117344 HUFF 1H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 257695 HUFF 2 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 160964 HUFF 2A A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 117713 HUFF 3 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 161153 HUFF 3A A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 203589 HUFF 4 DILWORTH, SE (WILCOX 5700) EL DORADO GAS & OIL, INC. 167868 HUFF 5 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 162023 HUFF 6R A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 162498 HUFF 7 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 162262


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ HUFF 9 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 165199 HUFF 10 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 164614 HUFF 11 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 225013 HUFF 12 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 248150 HUFF 13 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 241826 HUFF 14 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 247637 HUFF 15 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 248932 HUISACHE CATTLE COMPANY B 3H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 264325 HULLABALOO 1 FRANCES HILL (PENN, LOWER) TRIPLE G OPERATING, LLC 171476 HUNT 1 SNAKEBITE (ELLENBURGER) HILCORP ENERGY COMPANY 208917 HUNT 4402 SNAKEBITE (ELLENBURGER) HILCORP ENERGY COMPANY 212535 HUNTER CREDIT TRUST 1 WILDCAT LEWIS PETRO PROPERTIES, INC. 275876 HURT & TARTT 5 WEIGANG (REKLAW) ACOCK/ANAQUA OPERATING CO., LP 203306 HURT, W. T. ET AL 3R FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 053094 HURT, W. T. ET AL 4 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 091757 HURT, W. T. ET AL 5 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 097642 HURT, W. T. ET AL 6 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 117043 HURT, W. T. ET AL 7 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 117342 HURT, W. T. ET AL 8 L FASHING (EDWARDS LIME -B-) XTO ENERGY INC. 143199 HURT, W. T. ET AL 8 U FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 143195 HURT, W. T. ET AL 9 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 156648 HURT, W. T. ET AL 10 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 185508 HURT, W. T. ET AL 11 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 225592 HURT, W. T. ET AL 12 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 225589 HURT, W. T. ET AL 13 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 231980 HURT, W. T. ET AL -A- 1 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 000199 HYDE 1 WILDCAT CHARIS ENERGY, INC. 251750 HYDE D 2 HACKBERRY CREEK (CANYON) MUSKEGON DEVELOPMENT COMPANY 270313 HYDE 5901 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 272787 HYDE 6001 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 270507 HYDE 6003 HACKBERRY CREEK (CANYON) MUSKEGON DEVELOPMENT COMPANY 270508 I.T. PRYOR - WARD BOX 1 WARD BOX (OLMOS) OXSON CO. 142612 IRVIN FAMILY 3 INDIO TANKS (PEARSALL) CHEYENNE PETROLEUM COMPANY 261501 J A CRISP RANCH UNIT B 3H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 271106 J. A. RANCH -L- 3 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 214598 J. A. RANCH -L- L 1 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 206313 J. C. WALLACE 1 JOURDANTON (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 284817 J. HENDERSON ET AL GU #1 3 WILDCAT XTO ENERGY INC. 174590 JACKSON 1 ROCKY CREEK, EAST (2-B SAND) HAMILTON, CLAY 280592 JACKSON VESTAL 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 263481 JACKSON, ET AL-EAST UNIT 101H INDIO TANKS (PEARSALL) VENADO OPERATING COMPANY LLC 271067 JACKSON, ET AL-WEST UNIT 101H INDIO TANKS (PEARSALL) VENADO OPERATING COMPANY LLC 270910 JAMBERS, GEORGE 1 CROWTHER (5600) REA OIL & GAS, INC. 115182 JAMES TRUST 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279004 JAMES TRUST 2H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279005 JAMES TRUST 3H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279007 JAMES TRUST 4H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279208 JAMES TRUST 5H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279012 JAMES TRUST 6H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279013 JAMES TRUST 7H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279296 JAMES TRUST 8H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279242


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ JAMES TRUST 9H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279455 JAMES TRUST 10H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279148 JAMES TRUST 11H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279209 JAMES TRUST 12H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279457 JAMES TRUST 13H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279454 JAMES TRUST 14H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287443 JAMES TRUST 15H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287461 JAMES TRUST 16H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287462 JC MARTIN 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260265 JC MARTIN 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 259550 JC MARTIN 4H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270871 JC MARTIN 5H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270522 JC MARTIN 6H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270754 JC MARTIN 7H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270784 JC MARTIN 9H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270520 JC MARTIN 11H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 276761 JC MARTIN 12H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 276450 JC MARTIN 13H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 276462 JC MARTIN 14H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 276990 JC MARTIN 15H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 276460 JC MARTIN 16H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 276642 JC MARTIN 17H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 276453 JC MARTIN 18H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 276452 JC MARTIN 19H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 276440 JC MARTIN 20H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 274019 JC MARTIN 21H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273503 JC MARTIN 25H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270684 JC MARTIN 26H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270521 JC MARTIN 27H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272994 JC MARTIN 28H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270939 JC MARTIN 29H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270880 JC MARTIN 42H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273480 JC MARTIN 101H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 288455 JC MARTIN 102H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 288392 JC MARTIN 103H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 288070 JC MARTIN 104H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 288071 JC MARTIN 105H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 288072 JC MARTIN 106H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 288258 JC MARTIN 107H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 287928 JCM JR. MINERALS 1H HAWKVILLE (EAGLEFORD SHALE) MATADOR PRODUCTION COMPANY 261087 JCR 1H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 283096 JCR 2H AMMANN (BUDA) ESCONDIDO RESOURCES OPER CO, LLC 283430 JCR 2H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 282995 JCR A 3H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 285406 JCR B 4H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 285453 JEFFRY "A" 1 MINERVA-ROCKDALE COMPREHENSIVE RESEARCH BUR, INC. 128641 JENKINS 583 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 230711 JENKINS 584 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 230722 JENKINS 585 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 255014 JENKINS 586 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 255052 JENKINS 5901 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 251278


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ JENKINS 5902 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 258665 JENKINS 5903 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 263583 JENKINS 5904 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 270136 JENKINS 6201 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 202666 JENKINS 6203 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 243047 JENKINS 6205 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 263561 JENKINS 6207 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 270137 JENKINS 6301 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 197359 JENKINS 6302A COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 251294 JENKINS 6303 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 202919 JENKINS 6304 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 206725 JENKINS 6306H COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 270275 JENNINGS 1 JENNINGS 300 (ANACACHO) PROPERTY DEVELOPMENT GROUP, INC. 256494 JENNINGS 2 JENNINGS 300 (ANACACHO) PROPERTY DEVELOPMENT GROUP, INC. 266046 JERRY JOHNSTON DIM C 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 274325 JOHNSON 2292 1 HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 256583 JOHNSON, B. K. 5 EL BANO (SAN MIGUEL) DEWBRE PETROLEUM CORPORATION 114641 JOHNSON, B. K. 9 EL BANO (SAN MIGUEL) DEWBRE PETROLEUM CORPORATION 074302 JOHNSTON UNIT 15 M.F. JAKE LAWLESS (GEORGETOWN) ASHTOLA EXPLORATION COMPANY,INC. 192739 JOHNSTON UNIT 18 M.F. JAKE LAWLESS (GEORGETOWN) ASHTOLA EXPLORATION COMPANY,INC. 195515 JONES RANCH 1869 KELLEY (ELLENBURGER) UPP OPERATING, LLC 258453 JORDAN 1 JORDAN (NAVARRO B) VICEROY PETROLEUM, LP 066061 JORDAN 2 JORDAN (NAVARRO B) VICEROY PETROLEUM, LP 066062 JUAN SALINAS 2 HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 264746 K. R. BRACKEN A 1H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 266826 K. R. BRACKEN B 2H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 271717 K. R. BRACKEN B 3H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 271637 K. R. BRACKEN B 4H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 271056 KAIN 1 BIG FOOT KAIN PETROLEUM, LLC 090535 KAREN WHEELER 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 266131 KAREN WHEELER 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 268411 KAREN WHEELER UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270652 KAREN WHEELER UNIT 1 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273535 KAREN WHEELER UNIT 1 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273420 KAREN WHEELER UNIT 2 1H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 274701 KAREN WHEELER UNIT 2 2H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 272014 KELLNER ET AL G. U. 4 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 186744 KHC SWD 2 DILWORTH (EDWARDS LIME) EVX MIDSTREAM PARTNERS LLC 275813 KHC SWD 1 1 DILWORTH (EDWARDS LIME) EVX MIDSTREAM PARTNERS LLC 279192 KIEFER 3 HURTA HILL (2920) WILLIAMSON OPERATING CO. 122203 KILLAM 3 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 206842 KILLAM & GONZALEZ 299 1 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 196027 KILLAM & GONZALEZ 299 2 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 195831 KILLAM & GONZALEZ 299 3 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 196260 KILLAM & GONZALEZ 299 4 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 197474 KILLAM & GONZALEZ 299 5 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 196290 KILLAM & GONZALEZ 299 7 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 220376 KILLAM GONZALEZ A 18H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 260475 KILLAM GONZALEZ A 20H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 266786 KILLAM GONZALEZ A 22H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 267665 KILLAM GONZALEZ A 23H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 269670


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ KILLAM 299 1 STUART CITY (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 152136 KILLAM 299 2 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 172228 KILLAM 299 3 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 181657 KILLAM 299 4 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 176801 KILLAM 299 5 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 184933 KILLAM 299 6 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 189060 KILLAM 299 7 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 182823 KILLAM 299 8 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 211576 KILLAM 299 9 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 205675 KILLAM 299 10 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 199471 KILLAM 299 11 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 199650 KILLAM 299 12 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 226079 KILLAM-GONZALEZ A 26H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272001 KILLAM-GONZALEZ 299 15 STUART CITY (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 242024 KILLAM-GONZALEZ 299 16 STUART CITY (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 249657 KILLAM-GONZALEZ 299 GU 1H STUART CITY (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 225718 KILLIAM & GONZALEZ 299 6 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 198518 KINCAID 1011 WILL O. (WOLFCAMP) WILLO OIL & GAS EXPLORATION, LLC 212069 KINCAID 1012 WILL O, NORTH (WOLFCAMP) WOLFCAMP ENERGY, LLC 099242 KINCAID 1064 WILL O, NORTH (WOLFCAMP) WOLFCAMP ENERGY, LLC 187461 KINCAID 3012 WILL O. (WOLFCAMP) WOLFCAMP ENERGY, LLC 120515 KINCAID A 2012 WILL O. (WOLFCAMP) WOLFCAMP ENERGY, LLC 213268 KINCAID A 7012 WILL O. (WOLFCAMP) WOLFCAMP ENERGY, LLC 212890 KOCIAN UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 268143 KOCIAN UNIT 2 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 267768 KOEHLER, EDNA S. 2 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 095834 KOEHNE-STRICKHAUSEN A-885 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269926 KOTHMAN 1629H PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 212844 KOTHMAN 1673H PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 200741 KOTHMAN 1674H PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 223793 KOTHMAN 1675H PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 202114 KOTHMAN 1691H PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 202947 KOTHMAN 2691 H PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 210715 KOTHMAN, I. O. K. 1 PENA CREEK (OLMOS 2350) FLINT OAK ENERGY, LLC 124152 KOTHMAN, I.O.K. 25 PENA CREEK (OLMOS 2350) FLINT OAK ENERGY, LLC 088334 KOTHMANN-BARNARD 5 ROCKY CREEK, EAST (2-B SAND) HAMILTON, J. R. 107741 KRAUSE "D" 1 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 116835 KRAUSE 299 1 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 175783 KRAUSE, A. L. ESTATE 1 STUART CITY (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 067607 KRAUSE, A. L. ESTATE 2 STUART CITY (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 068801 KRAUSE, A. L. ESTATE 7 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 225164 KRAUSE, A. L. ESTATE 9R ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 221545 KRAUSE, A. L. ESTATE 10 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 243073 KRAUSE, A. L. ESTATE 11 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 241723 KRAUSE, A. L. ESTATE 12 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 243074 KRUGER 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 263317 KYNETTE, P. 29 CAMPANA, SOUTH (1500) ATLAS OPERATING LLC 121180 L. F. PUIG SR. GAS UNIT (EF) 7H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 264559 L. F. PUIG SR. GAS UNIT 2 (EF) 8H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 266248 L. S. MCCLAUGHERTY GU 1 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 178529 L.C. WRIGHT-REESE PSA A 5H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 283877


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ L.C. WRIGHT-ZIMMERHANZEL 'A' 3H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 281031 L.C. WRIGHT-ZIMMERHANZEL 'B' 4H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 281034 L.C. WRIGHT-ZIMMERHANZEL PSA D 7H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284346 LA BANDERA RANCH 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 254472 LA BANDERA RANCH 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267439 LA BANDERA RANCH 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279534 LA BANDERA RANCH 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277782 LA BANDERA RANCH 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279536 LA BANDERA RANCH 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278313 LA BANDERA RANCH 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266869 LA BANDERA RANCH 8H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266891 LA BANDERA RANCH 9H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267389 LA BANDERA RANCH UNIT A 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269960 LA BANDERA RANCH UNIT A 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277459 LA BANDERA RANCH UNIT A 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272477 LA BANDERA RANCH UNIT A 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272839 LA BANDERA RANCH UNIT A 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272840 LA BANDERA RANCH UNIT A 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280538 LA BANDERA RANCH UNIT A 8H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280539 LA BANDERA RANCH UNIT B 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280041 LA BANDERA RANCH UNIT B 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277282 LA BANDERA RANCH UNIT B 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276676 LA BANDERA RANCH UNIT B 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276835 LA BANDERA RANCH UNIT B 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276683 LA BANDERA RANCH UNIT B 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277200 LA BANDERA RANCH UNIT B 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279348 LA BANDERA RANCH UNIT B 8H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276845 LA BANDERA RANCH UNIT B 9H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 276800 LA CRUZ LAND GAS UNIT 1 (EF) 1H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 261632 LA CRUZ TRES LAND - STATE (EF) B 4H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 261320 LA CRUZ TRES LAND-STATE (EF) GU 3H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 267631 LA MESA STATE 1H HAWKVILLE (EAGLEFORD SHALE) FASKEN OIL AND RANCH, LTD. 267755 LA MESA STATE 2H HAWKVILLE (EAGLEFORD SHALE) FASKEN OIL AND RANCH, LTD. 275076 LA MESA STATE 'A' 3H HAWKVILLE (EAGLEFORD SHALE) FASKEN OIL AND RANCH, LTD. 275902 LA MOCA A 433 GU 13H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 267143 LA MOCA GAS UNIT V 34H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 276857 LA MUELA 1H HAWKVILLE (EAGLEFORD SHALE) PURSUIT OIL & GAS STX, LLC 283958 LA ROSITA DIM C 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 279802 LA SALLE SWD 1 ARTESIA WELLS, W. (WILCOX 3630) BLACKWATER SWD, LLC 263709 LA SALLE SWD 2 ARTESIA WELLS, W. (WILCOX 3630) BLACKWATER SWD, LLC 264706 LA SALLE SWD 3 ARTESIA WELLS, W. (WILCOX 3630) BLACKWATER SWD, LLC 272907 LA SANTA CRUZ-RACHAL 1H HAWKVILLE (EAGLEFORD SHALE) PURSUIT OIL & GAS STX, LLC 286473 LACKLAND AFB 1 LACKLAND (HOSSTON) GEOTHERMAL U.S. GOVT. USAF ATC LACKLAND AFB 110903 LARRY MILES 1H HAWKVILLE (EAGLEFORD SHALE) SIERRA RESOURCES, LLC 269445 LARRY MILES 1V DAN COBBS (WILCOX, LO.) SIERRA RESOURCES, LLC 268955 LARRY MILES 2H HAWKVILLE (EAGLEFORD SHALE) SIERRA RESOURCES, LLC 286152 LAS ABRAS 5H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 285188 LAS ABRAS 6H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 285339 LAS VEGAS RANCH 1 LOS CUATROS (LOWER CRETACEOUS) RIO GRAND EXPLORATION, LLC 082178 LAS VEGAS RANCH 2 LOS CUATROS (LOWER CRETACEOUS) RIO GRAND EXPLORATION, LLC 142592 LAS VEGAS RANCH 3 LOS CUATROS (JAMES LIME) RIO GRAND EXPLORATION, LLC 173161


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ LASITER-WOOD ET AL UNIT 1 PEARSALL (AUSTIN CHALK) TRINITY OPERATING (USG), LLC 257597 LAUREL, F. D. 21H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 270525 LC WRIGHT-REESE-ZIMMERHANZEL PSA 6H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284345 LEDDY 1 LOS CUATROS (LOWER CRETACEOUS) BAYLOR OPERATING, LLC 171076 LEONARD 4201 LANGTRY (CANYON) HILCORP ENERGY COMPANY 189622 LEONARD 4203 LANGTRY (CANYON) HILCORP ENERGY COMPANY 193206 LEONARD G.U. 37-1 2 LANGTRY (CANYON) HILCORP ENERGY COMPANY 194614 LESTER OL 1H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 260169 LEWIS 1203 RIMROCK (CANYON 4600) RIO-TEX, INC. 205966 LEWIS 2701 RIMROCK (CANYON 4600) RIO-TEX, INC. 205627 LEYENDECKER-HUNTER 1377 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 263558 LEYENDECKER-HUNTER 1377 3H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 268833 LEYENDECKER-HUNTER 1377 5H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 270667 LEYENDECKER-HUNTER 1377 7H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 270870 LEYENDECKER-HUNTER 1377 8H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 270575 LEYENDECKER-HUNTER 1377 9H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 270559 LEYENDECKER-HUNTER 1377 10H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 274262 LEYENDECKER-HUNTER 1377 GU 2H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 265554 LEYENDECKER-HUNTER 1377 GU 6H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 270798 LIEKE, OTTO 3 FASHING (EDWARDS LIME -A-) BRITANCO, L.L.C. 169396 LIFE SCIENCE CHURCH 9152 APPURCEON (OLMOS) TARINA OIL COMPANY 092036 LIGHT (CHAP)-BRIGGS (SA) A 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 270272 LIGHT (CHAP)-BRIGGS (SA) I 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 272370 LIGHT (CHAP)-BRIGGS (SA) I 3H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 272366 LIGHT RANCH 3 BRISCOE RANCH (EAGLEFORD) VERDUN OIL & GAS LLC 269332 LIGHT RANCH 4 BRISCOE RANCH (EAGLEFORD) VERDUN OIL & GAS LLC 269333 LIGHT RANCH 7 BRISCOE RANCH (EAGLEFORD) VERDUN OIL & GAS LLC 274432 LIGHT RANCH 8 BRISCOE RANCH (EAGLEFORD) VERDUN OIL & GAS LLC 274263 LIGHT RANCH 11 BRISCOE RANCH (EAGLEFORD) VERDUN OIL & GAS LLC 277027 LIGHT RANCH 12 BRISCOE RANCH (EAGLEFORD) VERDUN OIL & GAS LLC 277162 LIGHT RANCH 345H BRISCOE RANCH (EAGLEFORD) REPSOL OIL & GAS USA, LLC 267203 LIGHT RANCH 346H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 266326 LIGHT RANCH G 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 271155 LIGHT RANCH Y 3H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 270433 LIGHT, GEORGE III 1 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 108682 LIGHT, GEORGE III 2 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 108555 LIGHT, GEORGE III 3 ATLEE (OLMOS) STARR OPERATING COMPANY 109141 LIGHT, GEORGE III 4 ATLEE (OLMOS) STARR OPERATING COMPANY 109140 LIGHT, GEORGE III 5 ATLEE (OLMOS) LEWIS PETRO PROPERTIES, INC. 243842 LINDHOLM 1A RHODE RANCH, SW (FB-B) PERDIDO ENERGY, LLC 124558 LINDHOLM C S 1A RHODE (10,600 WILCOX) FOURTH FLOOR OPERATING LLC 112239 LINDHOLM C S GAS UNIT 4 RHODE (10,600 WILCOX) FOURTH FLOOR OPERATING LLC 134358 LINDHOLM C S GAS UNIT 5 RHODE (10,600 WILCOX) FOURTH FLOOR OPERATING LLC 136506 LINDHOLM C S GAS UNIT 7 RHODE (10,600 WILCOX) FOURTH FLOOR OPERATING LLC 144622 LINDHOLM FEE 1 WISHBONE, EAST (HOUSE 1) BLACKBEARD OPERATING, LLC 215022 LINDHOLM GAS UNIT 1 HOSTETTER (WILCOX 10,000) BLACKBEARD OPERATING, LLC 167676 LINDHOLM GU 86 1 RHODE (7300) FOURTH FLOOR OPERATING LLC 221358 LINDHOLM GU 86 1 RHODE RANCH (WILCOX 1ST 7300) FOURTH FLOOR OPERATING LLC 213924 LINDHOLM 84 1 RHODE RANCH, W. (MH-1) FOURTH FLOOR OPERATING LLC 175754 LINDHOLM 86-1 2 RHODE RANCH, W. (MH-1) FOURTH FLOOR OPERATING LLC 220976 LINDHOLM-HANSON GAS UNIT 7 WILDCAT BLACKBEARD OPERATING, LLC 211602


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ LINDHOLM-HANSON GAS UNIT 9 RHODE RANCH, W. (1ST MASSIVE) BLACKBEARD OPERATING, LLC 274389 LINDHOLM-HANSON GAS UNIT 11 WISHBONE, EAST (HOUSE 2) BLACKBEARD OPERATING, LLC 215680 LINDHOLM-HANSON GU 1 WISHBONE, WEST (HOUSE 1) BLACKBEARD OPERATING, LLC 225154 LINDHOLM-HANSON GU 2 BRAZIL (WILCOX) BLACKBEARD OPERATING, LLC 241828 LINDHOLM-HANSON GU 3 WISHBONE, WEST (HOUSE 1) BLACKBEARD OPERATING, LLC 251859 LINDHOLM-HANSON GU 4C WISHBONE (UPPER HOUSE) BLACKBEARD OPERATING, LLC 214307 LINDHOLM-HANSON GU 4T WISHBONE (HOUSE 3) BLACKBEARD OPERATING, LLC 207366 LINDHOLM-HANSON GU 5 WISHBONE (UPPER HOUSE) BLACKBEARD OPERATING, LLC 208364 LINDHOLM-HANSON GU 8 BRAZIL, SW. (HOSTETTER) BLACKBEARD OPERATING, LLC 227813 LINDHOLM-HANSON GU 10 WISHBONE, EAST (HOUSE 3) BLACKBEARD OPERATING, LLC 215494 LINDHOLM, C. S. GAS UNIT 6 RHODE (10,600 WILCOX) FOURTH FLOOR OPERATING LLC 144901 LINDHOLM, R. G. 1 RHODE (10,600 WILCOX) FOURTH FLOOR OPERATING LLC 112584 LLOYD BRISCOE 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273187 LLOYD BRISCOE 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273188 LLOYD BRISCOE 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273189 LOCK-BAETZ A EF UNIT 2H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 282606 LOCK-BAETZ EF UNIT 1H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 282334 LOMA BLANCA 1H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 269302 LOMA BLANCA 2H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 268589 LOMA BLANCA 3H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 271161 LOMA BLANCA 4H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 271167 LOMA BLANCA 5H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 271168 LOMA BLANCA 6H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 281697 LOMA BLANCA 7H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 281700 LOMA BLANCA 8H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 281836 LOMA BLANCA 9H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 281838 LOMA BLANCA 10H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 284742 LOMA BLANCA 11H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 284988 LOMA BLANCA 12H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 275909 LOMA BLANCA 13H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 275905 LOMA BLANCA 14H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 275903 LOMA BLANCA 15H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 285319 LOMA BLANCA 16H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 285417 LOMA BLANCA 17H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 284944 LOMA BLANCA 18H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 284998 LOMA BLANCA 19H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 285420 LOMA BLANCA 20H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 281835 LOMA BLANCA 21H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 285320 LOMA BLANCA 22H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 285314 LOMA BLANCA 23H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 285315 LOMA BLANCA 24H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 285316 LOMA BLANCA 25H BRISCOE RANCH (EAGLEFORD) FASKEN OIL AND RANCH, LTD. 285317 LONE OAK 1 ROBLE SOLO (CANYON) PATNO OIL & GAS COMPANY 182824 LONE OAK 2 ROBLE SOLO (CANYON) PATNO OIL & GAS COMPANY 183390 LONE OAK 3 ROBLE SOLO (CANYON) PATNO OIL & GAS COMPANY 183392 LONE OAK 4R ROBLE SOLO (CANYON) PATNO OIL & GAS COMPANY 187462 LONE STAR UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 267837 LONG, A. G. HEIRS 1H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 265479 LONG, A. G. HEIRS 3H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271585 LONG, A. G. HEIRS 5H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 269907 LONG, A. G. HEIRS 6H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 269913


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ LONG, A. G. HEIRS 7H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 269268 LONG, A. G. HEIRS 16H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272773 LONG, A. G. HEIRS 17H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272776 LONG, A. G. HEIRS 'A' 14H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272798 LONG, A. G. HEIRS 'A' 15H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 272975 LONG, A. G. HEIRS 'A' 21H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 280746 LONG, A. G. HEIRS 'A' 22H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 280747 LONG, A. G. HEIRS GU A 18H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275318 LONG, A. G. HEIRS GU A 19H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275324 LONG, J. S. 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 261354 LONG, J. S. 4H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 260443 LONG, J. S. 12H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279124 LONG, J. S. 13H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279325 LONG, J. S. 14H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279320 LONG, J. S. 15H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279319 LONG, J. S. 16H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279149 LOS CUATROS 1H LOS CUATROS (LOWER CRETACEOUS) ATERRA EXPLORATION, LLC 272029 LOWE 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 257538 LOWE 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 258750 LOWE 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 257679 LOWE 5H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273576 LOWE 13H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272115 LOWE 14H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272736 LOWE 15H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272582 LOWE 17H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272340 LOWE 18H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273564 LOWE 19H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273561 LOWE 28H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272349 LOWE-DONNELL 1 WILDCAT D. O. G. OPERATING, LLC 243070 LOWRY 7241 TRI BAR (OLMOS) VIRTEX OPERATING COMPANY, INC. 243840 LOWRY UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270941 LOWRY UNIT 2 1H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 271140 LYLES, LORA 7 LYLES RANCH (ESCONDIDO) WILLIAMSON OPERATING CO. 082272 LYSSY "8" 2 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 169726 LYSSY "8" 7 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 168682 LYSSY "8" 11 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 168680 LYSSY FAMILY 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 256643 LYSSY FAMILY 2H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 260595 LYSSY FAMILY 5H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 274585 LYSSY FAMILY 8H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 277332 LYSSY FAMILY 11H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 278850 LYSSY FAMILY 12H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 278851 LYSSY FAMILY 13H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 282147 LYSSY FAMILY 14H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 286065 LYSSY GU B 7H TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 272514 LYSSY 67 2 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 160870 LYSSY 67 6 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 161091 LYSSY 67 7 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 163066 LYSSY 67 8 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 181197 LYSSY 67 "C" 4 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 168687 LYSSY 67 "C" 21 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 168695


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ LYSSY 686 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 224976 LYSSY 69 9 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 163931 LYSSY 69 29 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 162997 LYSSY 69 31 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 164927 LYSSY 709 17 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 161683 LYSSY 709 18 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 164452 LYSSY 71 12 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 168679 LYSSY 71 14 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 168678 LYSSY 71 25 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 242027 LYSSY 71 26 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 247486 LYSSY 711 3 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 160172 LYSSY 72 7 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 160605 LYSSY 72 10 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 160973 LYSSY 72 16A TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 161132 LYSSY 72 28 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 163199 LYSSY 745 35 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 251759 LYSSY 76 1/2 8 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 161133 LYSSY 8 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 159831 M & M MINERALS CORP. 1 ENCINAL (5800) LEWIS PETRO PROPERTIES, INC. 044414 M & M MINERALS CORP. 5 ENCINAL (5800) LEWIS PETRO PROPERTIES, INC. 241834 M & M MINERALS CORP. A 7 ENCINAL (5800) LEWIS PETRO PROPERTIES, INC. 284089 M. G. LILLIE 1615 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 270529 M. G. LILLIE 1873 3H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280540 M. K. DANIEL IIIA 7 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 181363 M. K. DANIEL 111A 2 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 174866 M. K. DANIEL 111A 10 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 251677 M. L. MARTIN STATE A2803 15H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279360 M. L. MARTIN-STATE A2803 14H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279359 M. L. MARTIN-STATE A2803 17H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279404 M.G. LILLIE 1616 GU A 2H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 285016 M.G. LILLIE 1616 GU A 5H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284774 M.G. LILLIE 1616 GU B 6H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287229 M.G. LILLIE 1616 GU B 7H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287585 MALONE 1 SIMPSON-MANN (CANYON) OXY USA INC. 201547 MALONE "12" 1 SIMPSON-MANN (CANYON) OXY USA INC. 118864 MALONE "13" 2 SIMPSON-MANN (CANYON) OXY USA INC. 203271 MALTSBERGER, W.A. 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 260323 MALTSBERGER, W.A. 2H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 260442 MANN TRUST - STATE (EF) 1 HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 267721 MANN-MCDONALD 0051EH KELLEY (ELLENBURGER) UPP OPERATING, LLC 171894 MANN, A. A. 1 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000038 MANRY STATE A3210 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269231 MANRY STATE A3210 2H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269443 MARIGLIANO 1604 KELLEY (ELLENBURGER) UPP OPERATING, LLC 260093 MARLEY '68' 1H MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 166947 MARLEY, JESS 1 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 101428 MARLEY, JESS 3 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 173849 MARLEY, JESS 4 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 173846 MARLEY, JESS "B" 1 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 151313 MARLEY, JESS "B" 2RH MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 160077 MARRS MCLEAN UNIT 1 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 259992


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ MARRS MCLEAN UNIT 2 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 261622 MARRS MCLEAN UNIT 3 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 251760 MARRS MCLEAN UNIT 4 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 263312 MARRS MCLEAN UNIT 4H DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 271820 MARRS MCLEAN UNIT 5 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 260006 MARTIN 2 HOSTETTER (WILCOX 14800) CINCO NATURAL RESOURCES CORP. 257609 MARTIN "A" 1 COOKE (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 165508 MARTIN DEEP GAS UNIT 1 HOSTETTER (WILCOX 10,000 LOWER) CINCO NATURAL RESOURCES CORP. 197621 MARTIN DIM A 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275862 MARTIN FAMILY 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 263658 MARTIN FAMILY 2H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 266888 MARTIN FAMILY 3H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 266890 MARTIN FAMILY 4H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269700 MARTIN J. C., 1850 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 251771 MARTIN PSA E 11H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287182 MARTIN PSA F 12H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287183 MARTIN STATE 3H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269923 MARTIN STATE A2736 GU 2H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 274716 MARTIN STATE A2736 GU 6H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279203 MARTIN STATE A2736 GU 7H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279205 MARTIN STATE A2736 GU 8H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279332 MARTIN STATE A2736 GU 9H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279333 MARTIN STATE A2736 GU 10H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279334 MARTIN STATE A2801 GU 5H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 274571 MARTIN STATE A2801 GU 16H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279373 MARTIN TR. 2 3 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 202116 MARTIN TR. 2 4 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 195829 MARTIN TR. 2 14 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 219979 MARTIN TR. 2 15 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 233337 MARTIN TR. 4 1 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 193642 MARTIN TR. 4 2 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 206415 MARTIN TR. 4 5 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 187272 MARTIN TR. 4 23H SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 271421 MARTIN TR4 UNIT 6 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 197132 MARTIN UNIT A DIM 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275863 MARTIN UNIT C DIM 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275866 MARTIN UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 257955 MARTIN UNIT 2 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 257680 MARTIN 60 GAS UNIT 1 C BONNE TERRE (10600) FOURTH FLOOR OPERATING LLC 128315 MARTIN 60 GAS UNIT 1 T BONNE TERRE (MIDDLE HOUSE 8) FOURTH FLOOR OPERATING LLC 128518 MARTIN 60 GAS UNIT 2 BONNE TERRE (9800) FOURTH FLOOR OPERATING LLC 143064 MARTIN 60 GAS UNIT 2 BONNE TERRE (10400) FOURTH FLOOR OPERATING LLC 198501 MARTIN 60 GAS UNIT 3 BONNE TERRE (10770) FOURTH FLOOR OPERATING LLC 129746 MARTIN-SCHUBERT-CRAFT PSA A 8H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 286396 MARTIN-SCHUBERT-CRAFT PSA B 9HR HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287113 MARTIN-STATE A2737 G. U. 4H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 275672 MARTIN-STATE A2737 G. U. 11H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279377 MARTIN-STATE A2737 G. U. 12H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279436 MARTIN-STATE A2737 G. U. 13H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279395 MARTIN-ZUCK GU 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284492 MARTIN, ALBERT MINERAL TRUST 1 COOKE (EDWARDS LIME) SUTTON PRODUCING CORP. 150288


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------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ ML MARTIN-STATE A2803 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 261084 MOBIL MILLS "40" 1 WILL O. (STRAWN) WILLO OIL & GAS EXPLORATION, LLC 165374 MONNICH GAS UNIT 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 264756 MOODY 1 CAMPANERO (CANYON) RIO-TEX, INC. 076843 MOODY 3 CAMPANERO (CANYON) RIO-TEX, INC. 077109 MOODY 4 CAMPANERO (CANYON) RIO-TEX, INC. 076844 MOODY 5 CAMPANERO (CANYON) RIO-TEX, INC. 077558 MOODY 6 CAMPANERO (CANYON) RIO-TEX, INC. 076845 MOODY 8 CAMPANERO (CANYON) RIO-TEX, INC. 085380 MOODY 205 CAMPANERO (CANYON) RIO-TEX, INC. 154945 MOODY 702 CAMPANERO (CANYON) RIO-TEX, INC. 152330 MOODY B 1 CAMPANERO (CANYON) RIO-TEX, INC. 097028 MOODY, DENMAN 7 CAMPANERO (CANYON) RIO-TEX, INC. 085505 MORENO-FARRELL A UNIT A 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 271661 MORENO-FARRELL B UNIT B 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 271190 MORGENSTERN-FASKEN STATE GU 2H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 272495 MORGENSTERN-FASKEN STATE GU 3H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 278827 MORGENSTERN-FASKEN STATE GU 5H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 278829 MORGENSTERN-FASKEN STATE GU 6H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 278836 MORGENSTERN-FASKEN STATE GU 7H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 278837 MORGENSTERN-FASKEN STATE GU 8H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 278838 MORGENSTERN-FASKEN STATE GU 9H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280279 MORGENSTERN-FASKEN STATE GU 10H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280280 MORGENSTERN-FASKEN STATE GU 11H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280282 MORO CREEK 1 INDIO TANKS (PEARSALL) PROTEGE ENERGY III LLC 260277 MORO CREEK 2308H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 285334 MORO CREEK 2309H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 285335 MORO CREEK 2310H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 285295 MORO CREEK 2401H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 271797 MORO CREEK 2402H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 276502 MORO CREEK 2404H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 276264 MORO CREEK 2405H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 276199 MORO CREEK 2406H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 276346 MORO CREEK 2407H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 287463 MORO CREEK 2408H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 287464 MORO CREEK 2409H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 287467 MORO CREEK 2601H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 276349 MORO CREEK 3301H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 265723 MORO CREEK 3302H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 265724 MORO CREEK 3303H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 265722 MORO CREEK 3304H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 272274 MORO CREEK 3307H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 277926 MORO CREEK 3309H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 277789 MORO CREEK 3310H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 277701 MORO CREEK 3403H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 277706 MORO CREEK 3404H BRISCOE RANCH (EAGLEFORD) PROTEGE ENERGY III LLC 277703 MORO CREEK RANCH 3 CATCLAW (OLMOS) MCR OPERATING GROUP 138912 MORRILL 1R GAS-X, S, (WALES) PETROTX OPERATING, LLC 223428 MORRILL 1X GAS-X, SHALLOW (CARRIZO) OMEGA ENERGY, LLC 220046 MORRILL 9 GAS-X, S, (WALES) PETROTX OPERATING, LLC 212569 MORRILL SLIGO 1 CHOKE CANYON (SLIGO) PETROTX OPERATING, LLC 220585


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ MORRILL UNIT D 1H EAGLEVILLE (EAGLE FORD-1) CALLON (EAGLE FORD) LLC 279853 MORRISS 83 2 HOLMAN RANCH, N (PENN) UPP OPERATING, LLC 054295 MORRISS 84 2 HOLMAN RANCH, N (PENN) UPP OPERATING, LLC 054297 MORRISS 84 3 HOLMAN RANCH, N (PENN) UPP OPERATING, LLC 068479 MORRISS 84 4 HOLMAN RANCH, N (PENN) UPP OPERATING, LLC 085892 MORRISS 84 5 HOLMAN RANCH, N (PENN) UPP OPERATING, LLC 162037 MOZELLE-SELF GAS UNIT 3 HOSTETTER (WILCOX 9400) BLACKBEARD OPERATING, LLC 240117 MSP 101 WILDCAT CHESAPEAKE OPERATING, L.L.C. 261940 MSP 102 WILDCAT CHESAPEAKE OPERATING, L.L.C. 261934 MSP 103 WILDCAT CHESAPEAKE OPERATING, L.L.C. 261941 MSP 104 WILDCAT CHESAPEAKE OPERATING, L.L.C. 263173 MSP 105 WILDCAT CHESAPEAKE OPERATING, L.L.C. 261998 MSP 106 WILDCAT CHESAPEAKE OPERATING, L.L.C. 261942 MSP 107 WILDCAT CHESAPEAKE OPERATING, L.L.C. 261933 MSP 108 WILDCAT CHESAPEAKE OPERATING, L.L.C. 261935 MSP 109 WILDCAT CHESAPEAKE OPERATING, L.L.C. 261936 MSP 110 WILDCAT CHESAPEAKE OPERATING, L.L.C. 261989 MSP 111 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264193 MSP 112 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264194 MSP 113 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264195 MSP 114 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264196 MSP 115 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264197 MSP 116 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264198 MSP 117 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264199 MSP 118 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264200 MSP 119 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264201 MSP 120 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264202 MSP 121 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264204 MSP 122 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264205 MSP 123 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264206 MSP 124 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264207 MSP 125 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264208 MSP 126 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264209 MSP 127 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264210 MSP 128 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264230 MSP 129 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264231 MSP 130 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264232 MSP 131 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264233 MSP 132 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264234 MSP 133 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264235 MSP 134 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264236 MSP 135 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264237 MSP 136 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264238 MSP 137 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264239 MSP 138 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264240 MSP 139 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264241 MSP 140 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264242 MSP 141 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264243 MSP 142 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264244 MSP 143 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264245 MSP 144 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264247


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------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ NCT B-9 /FEE/ 1 ROCKY CREEK, EAST (OLMOS 4) COVERT, F.M. III, M.D. 043377 NEEDMORE 1H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 268128 NEEDMORE 21H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 278132 NEEDMORE 101H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 287326 NEEDMORE 102H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 287327 NEEDMORE 118H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 287449 NEEDMORE 136H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 284323 NEEDMORE-SCIBIENSKI A 119H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 288441 NEEL 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269792 NEEL 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 266129 NEEL 4H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268196 NEEL 4H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 257685 NEEL 5H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 261772 NEWBY "A" 1 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 169049 NEWBY "A" 2C VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 168438 NEWBY "A" 2T BEANO (STRAWN) HILCORP ENERGY COMPANY 168768 NEWBY "A" 3 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 172050 NEWBY "A" 5 BEANO (STRAWN) HILCORP ENERGY COMPANY 196901 NEWBY "A" 5 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 214325 NEWBY "A" 6 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 197155 NEWBY "A" 8 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 198498 NEWBY "B" 1 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 181110 NEWBY "B" 2 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 197969 NEWBY A 4 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 194616 NEWBY G. U. 1 2 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 226894 NEWBY G. U. 2 1 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 170643 NEWBY G. U. 3 1 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 172566 NEWBY G.U. 1 1C VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 167314 NEWBY G.U. 1 4 T BEANO (STRAWN) HILCORP ENERGY COMPANY 221371 NEWBY G.U. 2 2C VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 195698 NEWBY G.U. 2 2T BEANO (STRAWN) HILCORP ENERGY COMPANY 195485 NEWBY G.U. 2 3 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 220305 NEWBY G.U. 3 2 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 220306 NEWBY G.U. 3 3 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 224977 NEWBY G.U.1 3 BEANO (STRAWN) HILCORP ENERGY COMPANY 197970 NEWBY GAS UNIT 1 1T BEANO (STRAWN) HILCORP ENERGY COMPANY 167339 NEWBY GU 1 3C VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 214613 NEWBY GU 1 4 C VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 221376 NEWBY 151 "D" 5 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 220398 NEWBY 151 "D" 6 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 223325 NHL 1H INDIO TANKS (PEARSALL) CHESAPEAKE OPERATING, L.L.C. 260470 NHL UNIT B DIM 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276207 NHL UNIT C DIM 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276217 NICHOLS 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260184 NICHOLS LOWE UNIT 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 266246 NICHOLS MCTEE UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272275 NICHOLS MCTEE UNIT 1 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 274702 NICKS, GERALD 5 12 KELLEY (ELLENBURGER) UPP OPERATING, LLC 258472 NICKS, GERALD 5 13 KELLEY (ELLENBURGER) UPP OPERATING, LLC 258476 NMC EF 1H AMMANN (BUDA) SILVERBOW RESOURCES OPER, LLC 283983 NMC EF 1H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 282221


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ NMC EF 2H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 283747 NMC EF 3H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 284590 NMC EF 4H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 284350 NMC EF 5H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 285401 NMC EF 6H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 285479 NMC EF 7H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 286134 NORTON, R. W. JR. 13 BANDERA TANK, NW. (SAN MIGUEL) NATIONAL SURFACE & MINERALS, LLC 055131 NORTON, R. W., JR. 18 BANDERA TANK, NW. (SAN MIGUEL) NATIONAL SURFACE & MINERALS, LLC 043741 NORTON, RICHARD W. JR. 14 BANDERA TANK, NW. (SAN MIGUEL) NATIONAL SURFACE & MINERALS, LLC 039933 NORTON, RICHARD W. JR. 15 BANDERA TANK, NW. (SAN MIGUEL) NATIONAL SURFACE & MINERALS, LLC 040835 NORTON, RICHARD W. JR. 22 BANDERA TANK, NW. (SAN MIGUEL) NATIONAL SURFACE & MINERALS, LLC 044917 NORTON, RICHARD W. JR. 30 BANDERA TANK, NW. (SAN MIGUEL) NATIONAL SURFACE & MINERALS, LLC 046661 NORTON,R.W.,JR.-CHAPPAROSA RANCH 34 BANDERA TANK, NW. (SAN MIGUEL) NATIONAL SURFACE & MINERALS, LLC 055691 NORTON,R.W.,JR.-CHAPPAROSA RANCH 35 BANDERA TANK, NW. (SAN MIGUEL) NATIONAL SURFACE & MINERALS, LLC 055692 NORTON,R.W.,JR.-CHAPPAROSA RANCH 36 BANDERA TANK, NW. (SAN MIGUEL) NATIONAL SURFACE & MINERALS, LLC 055693 NUECES A 1H HAWKVILLE (EAGLEFORD SHALE) VITRUVIAN EXPLORATION IV, LLC 286104 NUECES A 2H HAWKVILLE (EAGLEFORD SHALE) VITRUVIAN EXPLORATION IV, LLC 285562 NUECES MINERALS COMPANY 371H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 260072 NUECES MINERALS COMPANY 372A HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 267204 NUECES MINERALS COMPANY M 1H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 259083 NUECES MINERALS COMPANY 1501H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 255435 NUECES MINERALS COMPANY 2001H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 251773 NUECES MINERALS COMPANY 6821H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 258901 NUECES MINERALS COMPANY 6831H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 267785 NUECES MINERALS COMPANY 6851H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 260581 NUECES MINERALS COMPANY 6881H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 267223 NUNLEY-TRAYLOR 1H HAWKVILLE (EAGLEFORD SHALE) PROLINE ENERGY RESOURCES INC 258752 NYE 1H HAWKVILLE (EAGLEFORD SHALE) PERDIDO ENERGY, LLC 267454 NYE 2H HAWKVILLE (EAGLEFORD SHALE) PERDIDO ENERGY, LLC 267455 NYE RANCH 2201 SUN T S H (OLMOS) VIRTEX OPERATING COMPANY, INC. 210113 NYE RANCH 3101 SUN T S H (OLMOS) VIRTEX OPERATING COMPANY, INC. 193486 NYE RANCH 3102 SUN T S H (OLMOS) VIRTEX OPERATING COMPANY, INC. 243052 O'MEARA 1 SAINT THIRTEEN (OLMOS NO. 1) BIRCH, J. M. 130521 O'MEARA 1679 PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 216216 O'MEARA-WEBB 687 UNIT 1H INDIO TANKS (PEARSALL) EL TORO RESOURCES LLC 253306 O'QUINN, WEBSTER 3A BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 166999 OCHO MDL A 1H HAWKVILLE (EAGLEFORD SHALE) VITRUVIAN EXPLORATION IV, LLC 285336 OCHO MDL A 2H HAWKVILLE (EAGLEFORD SHALE) VITRUVIAN EXPLORATION IV, LLC 285405 OLLIE- LOWRY 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 266205 OLLIE-LOWRY 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260231 OPPENHEIMER-CALVERT UNIT 1 PEARSALL (BUDA, S.) BLACKBRUSH O & G, LLC 284610 OQUINN, WEBSTER, GAS UNIT 1 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000040 OTTO ET AL GAS UNIT 1 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 000205 OWEN 1 ROCKY CREEK (GEORGETOWN) BELLOWS OPERATING CO., L. C. 262141 OWEN 1080 - 5 15H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280252 OWEN 1080 - 5 16H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280247 OWEN 1080 - 7 17H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279450 OWEN 1080 GU A 18H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 282299 OWEN 1080 GU B 19H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 282300 OWEN 1080 GU C 20H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 282307 OWEN 1080 GU E 25H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 286064


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ OWEN 1080 GU F 26H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 286208 OWEN 1080-4 GU A 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 286121 OWEN 1080-5 22H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287111 OWEN 1080-5 23H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287112 OWEN 1080-5 27H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287868 OWEN 1080-5 28H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287870 OWEN 1080-5 29H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287872 OWEN 1080-5 30H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287873 OWEN-BRISCOE STATE-WCSL GU B 2H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 285771 OWEN-BRISCOE-MANRY GU H 49H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 285542 OWEN-BRISCOE-MANRY GU I 50H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 286392 OWEN-BRISCOE-MANRY GU J 51H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 286391 OWEN-BRISCOE-MANRY GU K 52H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287121 OWEN-BRISCOE-MANRY-GU G 48H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 285554 OWENS 1080 11H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278517 OWENS 1080 12H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278518 OWENS 1080 13H AMMANN (BUDA) LEWIS PETRO PROPERTIES, INC. 280149 OWENS 1080 13H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 278542 P. KYNETTE UNIT 1 CAMPANA, SOUTH (WILCOX 9500) HURD ENTERPRISES, LTD. 287435 P. KYNETTE UNIT 1 CAMPANA, SOUTH (WILCOX 10,200) HURD ENTERPRISES, LTD. 264588 P. Q. ALTIZER UNIT 1 VINEGARONE (STRAWN) S & C CONSTRUCTION, INC. 137195 PALAFOX -H- 1 HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 256576 PALAFOX STATE A2715 50H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269738 PALAFOX STATE A2715 53H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269912 PALAFOX STATE A2715 65H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 276680 PALAFOX STATE A2715 68H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 275745 PALAFOX STATE A2715 82H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279397 PALAFOX STATE A2715 86H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 283850 PALAFOX STATE A2715 87H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284160 PALAFOX STATE A2715 87HR HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 285326 PALAFOX STATE A2715 91H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284320 PALAFOX STATE A2715 91HR HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 285327 PALAFOX STATE A2757 55H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269731 PALAFOX STATE A2757 56H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269760 PALAFOX STATE A2757 62H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 276698 PALAFOX STATE A2757 63H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 276854 PALAFOX STATE A2757 64H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 276687 PALAFOX STATE A2757 66H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 274381 PALAFOX STATE A2757 67H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 274380 PALAFOX 1029 58H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 269117 PALAFOX 1029 59H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273175 PALAFOX 1029 60H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273174 PALAFOX 1034 14H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 266243 PALAFOX 1335 43H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269442 PALAFOX-FASKEN-ST. A2755-A2756 A 89H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 282060 PALAFOX-FASKEN-STATE A2755-A2756 36H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280412 PALAFOX-MARTIN-ZUCK GU 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284295 PALOMA "E" 153 PRICKLY PEAR (GLEN ROSE) EL TORO RESOURCES LLC 181892 PALS RANCH 11H INDIO TANKS (PEARSALL) BLACKBRUSH O & G, LLC 278244 PALS RANCH 12H INDIO TANKS (PEARSALL) BLACKBRUSH O & G, LLC 278258 PATTERSON 1502 HACKBERRY CREEK (CANYON) MUSKEGON DEVELOPMENT COMPANY 287281


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ PC-Q EF 4H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 259737 PC-Q EF 8H EAGLEVILLE (EAGLE FORD-1) SILVERBOW RESOURCES OPER, LLC 266181 PEARLSTONE, CLAIRE 1 JOURDANTON VIRTEX OPERATING COMPANY, INC. 160379 PEARLSTONE, CLAIRE 2 JOURDANTON VIRTEX OPERATING COMPANY, INC. 163239 PEARLSTONE, CLAIRE 4 JOURDANTON VIRTEX OPERATING COMPANY, INC. 074324 PEARLSTONE, CLAIRE 6 CHARLOTTE (ESCONDIDO B) VIRTEX OPERATING COMPANY, INC. 214314 PEARLSTONE, CLAIRE 6 CHARLOTTE, E. (OLMOS) GRIZZLY OP OF DELAWARE, LLC 214312 PEARSALL SWD 1 PEARSALL (SAN MIGUEL) BASIC ENERGY SERVICES, L.P. 266209 PECHAL-SIRNY 1 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 249817 PEEBLES UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 263063 PEEBLES UNIT 2 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 264428 PEELER 1 A.W.P. (OLMOS) TEXEGY OPERATING COMPANY LLC 257604 PEELER 2 A.W.P. (OLMOS) TEXEGY OPERATING COMPANY LLC 281920 PEELER 4 A.W.P. (OLMOS) TEXEGY OPERATING COMPANY LLC 281926 PEELER 6 A.W.P. (OLMOS) TEXEGY OPERATING COMPANY LLC 281948 PENA CREEK III UNIT B 4H INDIO TANKS (PEARSALL) EXCO OPERATING COMPANY, LP 263301 PENA CREEK SWD 1 PENA CREEK (GEORGETOWN) NGL WATERSOLUTIONS EAGLEFORD,LLC 265229 PENA CREEK SWD 2 PENA CREEK (GEORGETOWN) NGL WATERSOLUTIONS EAGLEFORD,LLC 272009 PENN, STELLA 5 HOSTETTER (WILCOX 10300) BLACKBEARD OPERATING, LLC 154937 PENN, STELLA 7 HOSTETTER (WILCOX 11000) BLACKBEARD OPERATING, LLC 169812 PENN, STELLA 8 HOSTETTER (WILCOX A) BLACKBEARD OPERATING, LLC 171806 PENN, STELLA 8 HOSTETTER, N. (SLICK 8070) BLACKBEARD OPERATING, LLC 167677 PERLITZ-WRANGLER 2 PILOSA, EAST (2ND SAN MIGUEL) MUNOZ FARMS OPERATING CO., LLC 209362 PERRY 1 LEONA RIVER (ESCONDIDO D-1) PRODUCTION RESOURCES, INC. 115103 PETRO-GULF BAKER RANCH 3913 BAKER (ESCONDIDO 900) SUMMIT OIL & GAS, INC. 102548 PETTY RANCH 1H STUART CITY (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 212087 PETTY, O. S. -A- 1 STUART CITY (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 000481 PFEIL, O.H. 3 JOURDANTON (BUDA) VIRTEX OPERATING COMPANY, INC. 157543 PGE BROWNE 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 255399 PGE BROWNE 2 H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 259084 PGE BROWNE A 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 278568 PGE BROWNE A 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 278583 PGE BROWNE A 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 278584 PGE BROWNE C 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 263113 PGE BROWNE C 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 263118 PGE BROWNE D 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270839 PGE BROWNE D 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270849 PGE BROWNE D 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270850 PGE BROWNE D 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270837 PGE BROWNE E 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 263096 PGE BROWNE E 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 265076 PGE BROWNE F 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 271435 PGE BROWNE F 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 271432 PGE BROWNE F 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 271431 PGE BROWNE F 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 271953 PGE BROWNE F 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 271954 PGE BROWNE F 6H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 271955 PGE BROWNE G 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270789 PGE BROWNE G 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270458 PGE BROWNE G 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270459 PGE BROWNE G 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270932


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ PGE BROWNE H 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275501 PGE BROWNE H 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275660 PGE BROWNE H 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276431 PGE BROWNE O 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 287482 PGE BROWNE O 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 287473 PGE BROWNE O 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 287455 PGE BROWNE O 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 287510 PGE BROWNE O 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 288395 PGE BROWNE O 6H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 287459 PGE BROWNE P 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 283086 PGE BROWNE P 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 283087 PGE BROWNE P 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 283089 PGE BROWNE Q 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 283059 PGE BROWNE Q 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 283070 PGE BROWNE Q 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 283072 PGE BROWNE R 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 287491 PGE BROWNE R 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 287474 PGE BROWNE R 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 287469 PGE BROWNE R 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 287512 PGE BROWNE R 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 287470 PGE BROWNE R 6H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 287454 PGE BROWNE R 7H LORENZO (AUSTIN CHALK) CHESAPEAKE OPERATING, L.L.C. 287569 PGE DOS 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 259081 PGE DOS 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260052 PGE DOS 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260369 PGE DOS 6H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260349 PGE DOS A 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275494 PGE DOS A 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275564 PGE DOS B 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276389 PGE DOS B 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276416 PGE DOS B 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276390 PGE DOS B 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276417 PGE DOS B 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 276418 PGE DOS D 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270026 PGE DOS D 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270025 PGE DOS D 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270023 PGE DOS D 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270022 PGE DOS G 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281151 PGE DOS G 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281152 PGE DOS G 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281161 PGE DOS G 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281066 PGE DOS G 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281162 PGE DOS G 6H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 281171 PGE DOS H 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270232 PGE DOS H 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 270254 PGE DOS U 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 286108 PGE DOS U 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 286109 PGE DOS U 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 286535 PGE DOS U 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 286804 PGE DOS U 5H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 286137 PGE DOS A UNIT A 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275563


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ PGE DOS B UNIT CC 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275435 PGE DOS C UNIT CC 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275453 PGE DOS D UNIT CC 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275454 PGE DOS E UNIT CC 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275460 PGE MAGUEY B UNIT LAS B 1H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, L.L.C. 275929 PGE MAGUEY C UNIT LAS B 1H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, L.L.C. 275966 PGE MAGUEY D UNIT LAS B 1H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, L.L.C. 275924 PGE MAGUEY E UNIT LAS F 1H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, L.L.C. 278156 PGE MAGUEY F UNIT LAS F 1H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, L.L.C. 278154 PGE MAGUEY G UNIT LAS F 1H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, L.L.C. 278155 PGE MAGUEY UNIT A LAS 1H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, L.L.C. 266127 PGE MAGUEY UNIT A LAS 3H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, L.L.C. 266128 PGE MINERAL PROPERTIES LTD 298 3 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 204359 PGE MINERAL PROPERTIES, LTD 298 1 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 199880 PGE MINERAL PROPERTIES, LTD 298 2 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 199913 PICKENS-COFFIELD 1 MAYA (S.M.D.) SOJOURNER DRILLING CORPORATION 183534 PIELOP COOKE UNIT 2 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 261260 PIELOP COOKE UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260509 PIELOP, CAROLINE 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 255733 PIERCE 10H EAGLEVILLE (EAGLE FORD-1) EP ENERGY E&P COMPANY, L.P. 260653 PIERCE 11H EAGLEVILLE (EAGLE FORD-1) EP ENERGY E&P COMPANY, L.P. 271314 PIERCE 12H EAGLEVILLE (EAGLE FORD-1) EP ENERGY E&P COMPANY, L.P. 271315 PIERCE 20H EAGLEVILLE (EAGLE FORD-1) EP ENERGY E&P COMPANY, L.P. 265873 PIERCE 21H EAGLEVILLE (EAGLE FORD-1) EP ENERGY E&P COMPANY, L.P. 265876 PIERCE 30H EAGLEVILLE (EAGLE FORD-1) EP ENERGY E&P COMPANY, L.P. 274947 PIERCE 31H EAGLEVILLE (EAGLE FORD-1) EP ENERGY E&P COMPANY, L.P. 274636 PILLSBURY 1 RHODE RANCH, SW (SAND 5) PERDIDO ENERGY, LLC 122003 PILONCILLO A 1H BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 266347 PILONCILLO A 1HX BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280389 PILONCILLO A 1HY BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280390 PILONCILLO A 1HZ BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280256 PILONCILLO A 2H BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267477 PILONCILLO A 2HY BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 281241 PILONCILLO A 2HZ BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280425 PILONCILLO A 3H BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267191 PILONCILLO A 4H BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 263876 PILONCILLO A 5H BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 266754 PILONCILLO A 6HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 266962 PILONCILLO A 6HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267533 PILONCILLO A 6HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267084 PILONCILLO A 6HD BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267083 PILONCILLO A 6V WILDCAT SN OPERATING, LLC 272796 PILONCILLO A 7HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268996 PILONCILLO A 7HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269180 PILONCILLO A 7HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269607 PILONCILLO A 7HD BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269711 PILONCILLO A 7HE BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 270028 PILONCILLO A 7HG BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 278424 PILONCILLO A 7HH BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 278425 PILONCILLO A 7HI BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 278433 PILONCILLO A 7HY BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 278450


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ PILONCILLO A 7HZ BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 278492 PILONCILLO A 8HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268414 PILONCILLO A 8HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268417 PILONCILLO A 8HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268808 PILONCILLO A 8HD BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268812 PILONCILLO A 8HE BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280257 PILONCILLO A 8HF BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280238 PILONCILLO A 8HG BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280755 PILONCILLO A 8HL BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268526 PILONCILLO A 9HW BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268815 PILONCILLO A 9HX BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268881 PILONCILLO A 9HY BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269002 PILONCILLO A 9HZ BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269171 PILONCILLO A 10HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268883 PILONCILLO A 10HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269013 PILONCILLO A 10HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269200 PILONCILLO A 10HD BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269201 PILONCILLO A 10HE BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 281227 PILONCILLO A 10HF BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280719 PILONCILLO A 11HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 271088 PILONCILLO A 11HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 271786 PILONCILLO A 11HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 271363 PILONCILLO A 11HD BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 271366 PILONCILLO A 11HE BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 271337 PILONCILLO A 11HF BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 271187 PILONCILLO A 12HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 270757 PILONCILLO A 12HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 270913 PILONCILLO A 12HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 271034 PILONCILLO A 12HD BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280926 PILONCILLO A 12HE BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280928 PILONCILLO A 12HU BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280927 PILONCILLO A 12HV BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280931 PILONCILLO A 12HW BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280932 PILONCILLO A 12HX BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 271365 PILONCILLO A 12HY BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 271163 PILONCILLO A 12HZ BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 271193 PILONCILLO A 13HV BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 271937 PILONCILLO A 13HW BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 270755 PILONCILLO A 13HX BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 270890 PILONCILLO A 13HY BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 270705 PILONCILLO A 13HZ BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 270668 PILONCILLO A 14HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 278877 PILONCILLO A 14HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 278896 PILONCILLO A 14HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 278920 PILONCILLO A 14HD BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 279129 PILONCILLO A 14HE BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 279683 PILONCILLO A 14HX BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 286462 PILONCILLO A 14HY BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 286431 PILONCILLO A 14HZ BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 286429 PILONCILLO A 14HZ LORENZO (AUSTIN CHALK) SN OPERATING, LLC 286445 PILONCILLO A 15HL BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 270262


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ PILONCILLO A 15HM BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269767 PILONCILLO A 15HW BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 270261 PILONCILLO A 15HX BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269928 PILONCILLO A 15HY BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269771 PILONCILLO A 15HZ BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269935 PILONCILLO A 16HU BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280284 PILONCILLO A 16HV BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280370 PILONCILLO A 16HW BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280369 PILONCILLO A 16HX BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280586 PILONCILLO A 16HY BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280485 PILONCILLO A 16HZ BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280123 PILONCILLO A 18HU BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 282203 PILONCILLO A 18HU LORENZO (AUSTIN CHALK) SN OPERATING, LLC 282207 PILONCILLO A 18HV BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 282211 PILONCILLO A 18HW BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 282212 PILONCILLO A 18HX BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 282241 PILONCILLO A 18HY BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 282261 PILONCILLO A 18HY LORENZO (AUSTIN CHALK) SN OPERATING, LLC 282441 PILONCILLO A 18HZ BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 282297 PILONCILLO A 23HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280195 PILONCILLO A 23HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280267 PILONCILLO A 23HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 283025 PILONCILLO A 23HD BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 283002 PILONCILLO A 23HE BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 283003 PILONCILLO A 23HF BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 283004 PILONCILLO A 23HF LORENZO (AUSTIN CHALK) SN OPERATING, LLC 283050 PILONCILLO A 23HG BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 283005 PILONCILLO A 23HH BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 283051 PILONCILLO A 23HX BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 280161 PILONCILLO A 23HY BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 271634 PILONCILLO A 23HZ BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 271659 PILONCILLO A 24HY BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 271976 PILONCILLO A 24HZ BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 271840 PILONCILLO A 25HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 285340 PILONCILLO A 25HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 285509 PILONCILLO A 25HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 285683 PILONCILLO A 25HC LORENZO (AUSTIN CHALK) SN OPERATING, LLC 285787 PILONCILLO A 25HD BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 285582 PILONCILLO A 25HE BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 285776 PILONCILLO A 25HE LORENZO (AUSTIN CHALK) SN OPERATING, LLC 285831 PILONCILLO A 25HX BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 282089 PILONCILLO A 25HX LORENZO (AUSTIN CHALK) SN OPERATING, LLC 282185 PILONCILLO A 25HY BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 282231 PILONCILLO A 25HZ BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 282102 PILONCILLO A 25HZ LORENZO (AUSTIN CHALK) SN OPERATING, LLC 282295 PILONCILLO A 28HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 283052 PILONCILLO A 28HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 283006 PILONCILLO A 28HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 283053 PILONCILLO A 28HD BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 283055 PILONCILLO A 28HE BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 283056 PILONCILLO A 31HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 282019


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------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ R. A. BRACKEN A 1H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 272408 R. A. BRACKEN A 2H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 272952 R. A. BRACKEN A 3H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 268267 R. A. BRACKEN B 1H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 271058 R. A. BRACKEN B 2H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 271120 R. A. BRACKEN B 3H EAGLEVILLE (EAGLE FORD-1) REPSOL OIL & GAS USA, LLC 271370 R. BRACKEN 39H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 264126 R. BRACKEN 40H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 261615 R. BRACKEN 41H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 266276 R. BRACKEN 42w CARRIZO EL DORADO GAS & OIL, INC. 267041 R. G. LINDHOLM GAS UNIT 2 RHODE (7300) FOURTH FLOOR OPERATING LLC 194094 R. G. LINDHOLM GAS UNIT 2 RHODE RANCH, W. (WILCOX 8800) FOURTH FLOOR OPERATING LLC 174664 RALPH EDWARDS E 1HP INDIO TANKS (PEARSALL) CHESAPEAKE OPERATING, L.L.C. 267780 RAMSEY 2 WILDCAT CASHFLOW EXPLORATION, INC. 140604 RANCH. J. A. -L- 4 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 228005 RANCH, J. A. -K- 3 VINEGARONE (STRAWN) WHITE ROCK OIL & GAS, LLC 228675 RANCHO ENCANTADO 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260066 RANCHO ENCANTADO 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 261441 RANCHO ENCANTADO 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263629 RANCHO ENCANTADO 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 265566 RANCHO ENCANTADO 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266648 RANCHO ENCANTADO 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266695 RANCHO ENCANTADO 8H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266615 RANCHO ENCANTADO 9H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269974 RANCHO ENCANTADO 10H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269980 RANCHO ENCANTADO 11H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270089 RANCHO ENCANTADO 12H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266647 RANCHO ENCANTADO 13H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266717 RANCHO ENCANTADO 14H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270200 RANCHO ENCANTADO 15H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270256 RANCHO ENCANTADO 16H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 270257 RANCHO ENCANTADO 17H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266649 RANCHO ENCANTADO 18H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266672 RANCHO ENCANTADO 19H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266651 RANCHO ENCANTADO 20H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266654 RANCHO ENCANTADO 21H WILDCAT SN EF MAVERICK, LLC 266690 RANCHO ENCANTADO 21H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266715 RANCHO ENCANTADO 22H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266898 RANCHO ENCANTADO 23H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267387 RANCHO ENCANTADO 24H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267395 RANCHO ENCANTADO 25H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267396 RANCHO ENCANTADO 26H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267397 RANCHO ENCANTADO 27H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266696 RANCHO ENCANTADO 28H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266716 RANCHO ENCANTADO 29H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271566 RANCHO ENCANTADO 30H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271561 RANCHO ENCANTADO 31H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271563 RANCHO ENCANTADO 32H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271564 RANCHO ENCANTADO 33H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271565 RANCHO ENCANTADO 34H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 275892 RANCHO ENCANTADO 35H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 275840


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ RANCHO ENCANTADO 36H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 275841 RANCHO ENCANTADO 37H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 275842 RANCHO ENCANTADO 38H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 275843 RANCHO ENCANTADO UNIT A 39H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278595 RANCHO ENCANTADO UNIT A 40H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278682 RANCHO ENCANTADO UNIT A 41H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278681 RANCHO ENCANTADO UNIT A 42H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278606 RANCHO ENCANTADO UNIT A 43H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278617 RANCHO LAGO VISTA 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 267229 RANCHO LAGO VISTA 4H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270644 RANSLEBEN 1 BENTON CITY S, (ANACACHO) E P C OIL & GAS, INC. 130773 RDR TURNEY 194 FRANCES HILL (CANYON) KLM PETROLEUM CORP. 252230 REAMS, WAYNE 1 STOCKDALE (CARRIZO) P.S.N. PETROLEUM, INC. 085690 REAMS, WAYNE 2 STOCKDALE (CARRIZO) P.S.N. PETROLEUM, INC. 085933 REDD STATE 1 WILDCAT BEESON ENERGY, INC. 232716 REED, D. P. 1 CINDY ANN (AUSTIN CHALK) NORDSTRAND ENGINEERING, INC. 222595 REESE 2H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 283011 REESE 3H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 283023 REESE 4H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 283024 REESE 5H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 285341 REESE 6H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 285342 REESE C 7H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 287465 REESE D 8H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 287466 REESE-LONG UNIT A 1H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 277316 REEVES 1 STUART CITY (EDWARDS LIME) SUTTON PRODUCING CORP. 140193 REEVES 3 STUART CITY (EDWARDS LIME) SUTTON PRODUCING CORP. 152753 REEVES 4 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 208921 REEVES 5 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 224979 REEVES 6 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 247413 REEVES "A" 2 STUART CITY (EDWARDS LIME) SUTTON PRODUCING CORP. 140196 REEVES "A" 8 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 247884 RENSHAW UNIT 3 HOSTETTER, NORTH (WILCOX-6) BLACKBEARD OPERATING, LLC 146346 RETAMA RANCH 105H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 287205 RETTIG, MABEL L 58H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 256578 REUTHINGER 2H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 266233 REUTHINGER 11H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 279358 REUTHINGER 103H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 287333 REUTHINGER 104H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 287213 REUTHINGER 105H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 287701 REUTHINGER 124H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 287489 REUTHINGER 125H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 287468 REVEILLE 1 FRANCES HILL (PENN, LOWER) TRIPLE G OPERATING, LLC 161127 REVEILLE 4 FRANCES HILL (PENN, LOWER) TRIPLE G OPERATING, LLC 167366 REYES GAS UNIT 2 ROCKY CREEK (GEORGETOWN) GENESIS WELL SERVICE 227961 REYNOLDS 25 1 KELLEY (ELLENBURGER) UPP OPERATING, LLC 261831 RHODE RANCH 1 BAKER (2100) ELLSWORTH, H. P. O&G PROPERTIES 256032 RHODE RANCH 1301 RHODE RANCH, EAST (WILCOX 7600) HURD ENTERPRISES, LTD. 278622 RHODE RANCH 7701 RHODE RANCH, EAST (WILCOX FIRST) HURD ENTERPRISES, LTD. 279642 RHODE RANCH 7801 RHODE RANCH (BASAL HOUSE) HURD ENTERPRISES, LTD. 261633 RHODE, D. W. -11- 1 RHODE RANCH, EAST (WILCOX FIRST) WAGNER OIL COMPANY 000408 RHODE, D. W. -18- 4 C RHODE RANCH, EAST (WILCOX FIRST) WAGNER OIL COMPANY 000412


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------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ ROOS GAS UNIT NO. 1 1 ROOS (WILCOX 7500) PEARL, BILL H. PRODUCTIONS, INC. 000445 ROOS, L. W. 6 COUSINS (QUEEN CITY 5740) PEARL, BILL H. PRODUCTIONS, INC. 220990 ROOS, R. C. 1 ROOS (WILCOX 7500) PHANTOM OIL & GAS 000442 ROSA BENAVIDES 1450 EF 4H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 279451 ROSA BENAVIDES 1450 EF 7H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 281095 ROSA BENAVIDES 1450 EF 8H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 280842 ROSA BENAVIDES 1450 EF 9H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 282240 ROSA BENAVIDES 1450 EF 10H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 282292 ROSA BENAVIDES 1450 EF 11H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 284299 ROSA V. BENAVIDES (EF) 2H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 258131 ROSA V. BENAVIDES (EF) 3H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 257686 ROSA V. BENAVIDES (EF) 5H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 260046 ROSA V. BENAVIDES (EF) 7H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 260047 ROSA V. BENAVIDES (EF) 11H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 266235 ROSA V. BENAVIDES (EF) 13H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 263645 RUBIO 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 263537 RUBIO 2H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269037 RUBIO 3H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269285 RUCKMAN 1 HOSTETTER (FB-A) CINCO NATURAL RESOURCES CORP. 209205 RUCKMAN 6 HOSTETTER (WILCOX 11100) CINCO NATURAL RESOURCES CORP. 209234 RUCKMAN 8 WILDCAT CINCO NATURAL RESOURCES CORP. 252860 RUCKMAN 9 HOSTETTER (RUCKMAN 16,100) CINCO NATURAL RESOURCES CORP. 209854 RUCKMAN 10 HOSTETTER (WILCOX 9,900) CINCO NATURAL RESOURCES CORP. 208760 RUCKMAN DEEP GAS UNIT 1 HOSTETTER (WILCOX 15300) CINCO NATURAL RESOURCES CORP. 200273 RUCKMAN DEEP GAS UNIT 1 D HOSTETTER (WILCOX 15300) CINCO NATURAL RESOURCES CORP. 202788 RUCKMAN DEEP GAS UNIT 1 L HOSTETTER (WILCOX 15300) CINCO NATURAL RESOURCES CORP. 191548 RUCKMAN DEEP GAS UNIT 2 HOSTETTER (WILCOX 15300) CINCO NATURAL RESOURCES CORP. 200267 RUCKMAN DEEP GAS UNIT 3 HOSTETTER (RUCKMAN 16,100) CINCO NATURAL RESOURCES CORP. 195946 RUCKMAN DEEP GAS UNIT 3 HOSTETTER (WILCOX 14800) CINCO NATURAL RESOURCES CORP. 250754 RUCKMAN DEEP GAS UNIT 4 HOSTETTER (RUCKMAN 16,100) CINCO NATURAL RESOURCES CORP. 203414 RUCKMAN DEEP GAS UNIT 4 HOSTETTER (WILCOX 14800) CINCO NATURAL RESOURCES CORP. 208303 RUCKMAN DEEP GAS UNIT 4 HOSTETTER (WILCOX 15300) CINCO NATURAL RESOURCES CORP. 206646 RUCKMAN DEEP GAS UNIT 5 HOSTETTER (WILCOX 15300) CINCO NATURAL RESOURCES CORP. 201002 RUCKMAN DEEP GAS UNIT 8 HOSTETTER (WILCOX 15300) CINCO NATURAL RESOURCES CORP. 211332 RUCKMAN DEEP GAS UNIT 9 HOSTETTER (WILCOX 15300) CINCO NATURAL RESOURCES CORP. 211324 RUCKMAN DEEP GAS UNIT 11 HOSTETTER (WILCOX 11100) CINCO NATURAL RESOURCES CORP. 211606 RUCKMAN DEEP GAS UNIT 12 HOSTETTER (WILCOX 15300) CINCO NATURAL RESOURCES CORP. 211563 RUCKMAN DEEP GAS UNIT 14 HOSTETTER (WILCOX 15300) CINCO NATURAL RESOURCES CORP. 212167 RUCKMAN DEEP GAS UNIT 15 HOSTETTER (WILCOX 9,700) CINCO NATURAL RESOURCES CORP. 229749 RUTH 1 JOHN HIGH (OLMOS NO. 2) THALMANN, DAVID VAC SERVICE INC 142379 RUTLEDGE 2 J.A.W. (OLMOS) WILLIAMSON OPERATING CO. 116744 RYAN 2H A.W.P. (OLMOS) BPX OPERATING COMPANY 271427 RYAN 4H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270641 RYAN O 1H A.W.P. (OLMOS) BPX OPERATING COMPANY 273335 RYAN 1795 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272276 RYAN 1795 O 1H A.W.P. (OLMOS) BPX OPERATING COMPANY 273328 RYAN 1795 O 18H A.W.P. (OLMOS) BPX OPERATING COMPANY 272497 S.P.J.S.T. LODGE 3 JOURDANTON VIRTEX OPERATING COMPANY, INC. 057982 S.P.J.S.T. LODGE 7 JOURDANTON VIRTEX OPERATING COMPANY, INC. 241921 S.T.S. -E- 53 BIG MULE (5500 SAND) HOUSTON GULF ENERGY CORPORATION 110100 S.T.S. -E- 703 BIG MULE (5500 SAND) TRACKER OIL & GAS, INC. 121039


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ SAN AMBROSIA A 2001H HUGH FITZSIMMONS (SAN MIGUEL) SM ENERGY COMPANY 287650 SAN AMBROSIA B 1H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 259569 SAN AMBROSIA C 1H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 258425 SAN AMBROSIA C 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260172 SAN AMBROSIA D 1H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 258424 SAN AMBROSIA D 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 258426 SAN AMBROSIA D 4H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 259598 SAN AMBROSIA D 14H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 266167 SAN AMBROSIA D 15H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 266470 SAN AMBROSIA D 16H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 265546 SAN AMBROSIA D (SA) 7H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279674 SAN AMBROSIA D (SA) 8H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279664 SAN AMBROSIA D (SA) 9H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 279648 SAN AMBROSIA D GU1 5H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260538 SAN AMBROSIA D GU5 6H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 277454 SAN AMBROSIA F (SA) 14CH BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281283 SAN AMBROSIA F (SA) 12 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281077 SAN AMBROSIA F (SA) 12 5H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281008 SAN AMBROSIA F (SA) 12 7H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281126 SAN AMBROSIA F (SA14) 13 7H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 281004 SAN AMBROSIA F (SA15) 13 5H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280950 SAN AMBROSIA F (SA16) 13 2H AMMANN (BUDA) SM ENERGY COMPANY 283849 SAN AMBROSIA F (SA16) 13 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280946 SAN AMBROSIA F (SA17) 14GH BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280998 SAN AMBROSIA F (SA18) 14EH BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280999 SAN AMBROSIA F (SA20) 15 7H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280949 SAN AMBROSIA F (SA21) 15 5H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280948 SAN AMBROSIA F (SA22) 15 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 280947 SAN AMBROSIA F (SA23) 1413H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 286961 SAN AMBROSIA F (SA24) 1407H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 286962 SAN AMBROSIA F (SA25) 1393H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 287008 SAN MIGUEL RANCH OL 2 A.W.P. (OLMOS) SILVERBOW RESOURCES OPER, LLC 260471 SAN PEDRO RANCH 1 WILDCAT SN EF MAVERICK, LLC 229750 SAN PEDRO RANCH 1761 HUGH FITZSIMMONS (SAN MIGUEL) ENDEAVOR NATURAL GAS, LP 241902 SAN PEDRO RANCH 1824 HUGH FITZSIMONS (OLMOS) ENDEAVOR NATURAL GAS, LP 243051 SAN PEDRO RANCH 1861 HAMILTON FEE (1530) ENDEAVOR NATURAL GAS, LP 244581 SAN ROMAN 2H HAWKVILLE (EAGLEFORD SHALE) COMSTOCK OIL & GAS, LLC 287855 SAN ROMAN 3H HAWKVILLE (EAGLEFORD SHALE) COMSTOCK OIL & GAS, LLC 287856 SAN ROMAN "A" 7H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 264619 SAN ROMAN 1508 33H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 278959 SAN ROMAN 1508 34H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 279447 SAN ROMAN 1508 36H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 280388 SAN ROMAN 1508 37H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 280242 SAN ROMAN 1508 38H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 280243 SANDEEN, JOHN 3 JOURDANTON VIRTEX OPERATING COMPANY, INC. 146333 SANDEEN, JOHN 5 JOURDANTON (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 170311 SANTA CRUZ 1 HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 259354 SANTA CRUZ 2 HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 262463 SANTA ELENA 24H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 282729 SAUNDERS-EISENHAUER STATE 35 2 HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 260217 SAUNDERS-PALAFOX STATE 1032 GU 52H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269937


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ SBR 1 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 154946 SBR 4 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 154575 SBR 5 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 155639 SBR 6 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 155628 SBR 7 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 155641 SBR 8 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 156078 SBR 9 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 155638 SBR 10 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 156087 SBR 11 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 156089 SBR 13 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 156061 SBR 14 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 156053 SBR 15 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 156014 SBR 16 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 156015 SBR 17 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 156050 SBR 18 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 156051 SBR 19 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 156049 SBR 20 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 156266 SBR 21 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 157262 SBR 22 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 277777 SBR 23 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 156709 SBR 24 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 157246 SBR 25 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 156711 SBR 26 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 157244 SBR 28 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 157242 SBR 29 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 157241 SBR 30 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 157245 SBR 31 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 157243 SBR 32 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 157464 SBR 33 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 157216 SBR 34 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 157984 SBR 35 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 157983 SBR 36 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 157479 SBR 37 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 157985 SBR 38 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 159068 SBR 39 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 157982 SBR 41 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 158112 SBR 42 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 160530 SBR 43 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 158103 SBR 44 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 158113 SBR 45 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 158599 SBR 46 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 158647 SBR 47 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 158100 SBR 48 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 158600 SBR 49 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 158601 SBR 50 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 158727 SBR 51 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 160081 SBR 52 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 158598 SBR 53 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 158648 SBR 54 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 158602 SBR 55 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 158597 SBR 58 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 158775




------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ SBR 116 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 162056 SBR 117 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 162602 SBR 118 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 162052 SBR 119 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 162491 SBR 120 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 162483 SBR 121 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 171794 SBR 122 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 162666 SBR 123 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 162603 SBR 124 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 162645 SBR 125 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163379 SBR 126 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163573 SBR 127 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163575 SBR 128 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 162720 SBR 130 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163047 SBR 131 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 162872 SBR 132 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 162721 SBR 133 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163186 SBR 134 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163381 SBR 135 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163034 SBR 136 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163115 SBR 137 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163036 SBR 138 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 162869 SBR 139 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163190 SBR 140 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163038 SBR 141 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163185 SBR 142 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163574 SBR 143 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163044 SBR 144 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163045 SBR 145 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163179 SBR 146 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163195 SBR 147 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163384 SBR 148 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163671 SBR 149 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163193 SBR 150 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 164101 SBR 152 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163192 SBR 153 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163181 SBR 154 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163383 SBR 155 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163669 SBR 156 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163893 SBR 157 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163661 SBR 158 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163571 SBR 159 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163664 SBR 160 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 163662 SBR 162 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 164351 SBR 163 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 164518 SBR 164 DILWORTH, SE (WILCOX 5700) EL DORADO GAS & OIL, INC. 166203 SBR 165 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 166655 SBR 166 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 164747 SBR 167 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 164750 SBR 168 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 164933 SBR 169 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 165004




------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ SBR 238 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 232731 SBR 240 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 232729 SBR 241 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 233828 SBR 242 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 242977 SBR 243 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 243033 SBR 245 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 243845 SBR 246 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 241923 SBR 247 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 243071 SBR 248 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 247481 SBR 249 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 243835 SBR "A" 3 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 154578 SBR "A" 57 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 158595 SBR "B" 12 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 156052 SBR "B" 56 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 158721 SCARBOROUGH 1H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 268497 SCHLETZ 4M ENCINAL (OLMOS 8200) TUCKER PETROLEUM, INC. 048677 SCHLETZE 1 ENCINAL (OLMOS 8200) TUCKER PETROLEUM, INC. 115638 SCHLETZE 1A ENCINAL (OLMOS 8200) TUCKER PETROLEUM, INC. 115637 SCHLETZE 2 ENCINAL (OLMOS 8200) TUCKER PETROLEUM, INC. 118370 SCHLETZE 4 ENCINAL (OLMOS 8200) TUCKER PETROLEUM, INC. 120586 SCHLETZE A.E. 2 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 158058 SCHLETZE, A. E. 3 ENCINAL (5800) TUCKER PETROLEUM, INC. 046407 SCHLETZE, A. E. ET AL B 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 111298 SCHLETZE, A.E. 3 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 168441 SCHLETZE, A.E. 5 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 206806 SCHLETZE, A.E. 7 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 075752 SCHLETZE, A.E. 9 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 219155 SCHLETZE, A.E. 10 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 096143 SCHLETZE, A.E. 11 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 214596 SCHMIDT, CHESTER R. 1 MEDINA (900) MEDINA GAS COMPANY 064609 SCHMIDT, CHESTER R. 1AA MEDINA (900) MEDINA GAS COMPANY 149195 SCHNEIDER TRUST, ET AL, UNIT 101H INDIO TANKS (PEARSALL) VENADO OPERATING COMPANY LLC 271744 SCHOELLER, KATE 3 CAMPANA, SOUTH (1500) TRIUM, LTD. 187257 SCHOOLFIELD 1614 1H TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 269909 SCHOOLFIELD 1614 2H TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 269139 SCHORP-WHITE RANCH, LTD. 101H INDIO TANKS (PEARSALL) VENADO OPERATING COMPANY LLC 270190 SCHORSCH, HENRY 3 JOURDANTON VIRTEX OPERATING COMPANY, INC. 117195 SCHROEDER 1 CALLIHAM, SOUTH (1100) SCHROEDER PRODUCTION LLC 139851 SCHUBERT 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270535 SCHUBERT CRAFT UNIT 2 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270058 SCHUBERT-CRAFT UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 267674 SCHUBERT-GOLLA-MARTIN PSA C 10H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287120 SCHUBERT-GOLLA-MARTIN PSA D 11H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 286970 SCHUMAN ET AL GAS UNIT #1 1 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 000206 SCHUMAN ET AL GAS UNIT #2 1 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 000207 SCHUMAN ET AL GAS UNIT #3 1 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 000208 SCHUMANN "A" 3 FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 100922 SCHUMANN "A" 4 FASHING (EDWARDS LIME -B-) CAPITAL STAR OIL & GAS, INC. 145462 SCHUMANN "A" 5 L FASHING (EDWARDS LIME -B-) CAPITAL STAR OIL & GAS, INC. 130517 SCHUMANN "A" 5 U FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 130516 SCHUMANN "A" 6 FASHING (EDWARDS LIME -B-) CAPITAL STAR OIL & GAS, INC. 150726


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ SCHUMANN "A" 6U FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 144889 SCHUMANN "A" 7 FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 148441 SCHUMANN ET AL GAS UNIT 3 SWD 2 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 205666 SCHUMANN, ET AL GAS UNIT #2 2 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 215192 SCHWEERS 3 TAYLOR-INA SABINAL RESOURCES, INC. 232984 SCIBIENSKI 101H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 287669 SCOTT FOUNDATION 1 BONNE TERRE (11750) FOURTH FLOOR OPERATING LLC 191754 SCOTT FOUNDATION 1 CAMPANA, SOUTH (1450) PROLINE ENERGY RESOURCES INC 260477 SCOTT FOUNDATION 2 CAMPANA, SOUTH (1450) PROLINE ENERGY RESOURCES INC 194339 SCOTT FOUNDATION 5 CAMPANA, SOUTH (WILCOX 7700) PROLINE ENERGY RESOURCES INC 202556 SCOTT FOUNDATION 59 #5 GAS UNIT 4 BONNE TERRE (10400) FOURTH FLOOR OPERATING LLC 144058 SCOTT FOUNDATION 59 GAS UNIT 3 BONNE TERRE (10770) FOURTH FLOOR OPERATING LLC 150339 SCOTT FOUNDATION 59 GAS UNIT 5 BONNE TERRE (10600) FOURTH FLOOR OPERATING LLC 214705 SCOTT FOUNDATION 59 GAS UNIT 6 BONNE TERRE (10770) FOURTH FLOOR OPERATING LLC 146074 SCOTT FOUNDATION 59 GAS UNIT 7 BONNE TERRE (REAGAN 9700) FOURTH FLOOR OPERATING LLC 129281 SCOTT UNIT 2 LITTLE NEW YORK BEDFORD OIL & GAS, INC. 175877 SCREAMING EAGLE A 2H EAGLEVILLE (EAGLE FORD-1) CHURCHILL OPERATING, LLC 271486 SCREAMING EAGLE A 3H EAGLEVILLE (EAGLE FORD-1) CHURCHILL OPERATING, LLC 273428 SEALY, GOERGE EST. 1 DILWORTH (EDWARDS LIME) SEA EAGLE FORD, LLC 000159 SEARCY 2 C MARY ANNA (SAN MIGUEL-A) TERRA ENERGY 106614 SEARCY 2 T MARY ANNA (SAN MIGUEL-D) TERRA ENERGY 106617 SELF GAS UNIT 1 HOSTETTER (WILCOX A) BLACKBEARD OPERATING, LLC 167875 SHADD WILCOX 1 EMILY A. (WILCOX 1830) PROTEGE ENERGY III LLC 271239 SHAMROCK-CAGE 1089 CAGE (ESCONDIDO) RAM RIVER RESOURCES, INC. 066569 SHANNON 52 24 KELLEY (ELLENBURGER) UPP OPERATING, LLC 262417 SHAW 7101 GERONIMO CREEK (ELLENBURGER) HILCORP ENERGY COMPANY 211918 SHAW 7102H GERONIMO CREEK (ELLENBURGER) HILCORP ENERGY COMPANY 226574 SHAW 7502H GERONIMO CREEK (ELLENBURGER) HILCORP ENERGY COMPANY 230351 SHAW 7503H GERONIMO CREEK (ELLENBURGER) HILCORP ENERGY COMPANY 233661 SHINER RANCH 6 PEARSALL (BUDA LIME) BLACKBRUSH O & G, LLC 230632 SHOOK 101H INDIO TANKS (PEARSALL) ATLAS OPERATING LLC 257891 SHOOK 801H INDIO TANKS (PEARSALL) EL TORO RESOURCES LLC 261610 SHORT 1H EAGLEVILLE (EAGLE FORD-1) LEWIS PETRO PROPERTIES, INC. 287991 SIDDONS OL 3H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 263799 SIDDONS OL 4H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 270305 SIMMONS 72.5 5 KELLEY (ELLENBURGER) UPP OPERATING, LLC 251220 SLAUGHTER 13H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 278638 SLAUGHTER 14H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279444 SLAUGHTER 15H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279446 SLAUGHTER 17H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279885 SLAUGHTER 18H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280339 SLAUGHTER 19H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280332 SLAUGHTER 20H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280338 SLAUGHTER 21H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 280437 SLAUGHTER 30H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 286568 SMITH 4 A.W.P. (OLMOS) XTO ENERGY INC. 162514 SMITH 5 A.W.P. (OLMOS) XTO ENERGY INC. 162326 SMITH CC 1H EAGLEVILLE (EAGLE FORD-1) XTO ENERGY INC. 263656 SMITH CC 2H EAGLEVILLE (EAGLE FORD-1) XTO ENERGY INC. 263669 SMITH CC 3H EAGLEVILLE (EAGLE FORD-1) XTO ENERGY INC. 263673 SMITH FAMILY UNIT A DIM 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273201


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ SMITH FAMILY UNIT A DIM 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273202 SMITH, C. C. 1 A.W.P. (OLMOS) XTO ENERGY INC. 107058 SMITH, C. C. 2 A.W.P. (OLMOS) XTO ENERGY INC. 111687 SMITH, C. C. 3 A.W.P. (OLMOS) XTO ENERGY INC. 114496 SMITH, C. C. 6 A.W.P. (OLMOS) XTO ENERGY INC. 164306 SMITH, C. C. 7 A.W.P. (OLMOS) XTO ENERGY INC. 164515 SMITH, C. C. 8 A.W.P. (OLMOS) XTO ENERGY INC. 164766 SMITH, M. C. 3 FASHING (EDWARDS LIME -A-) OVINTIV USA INC. 166411 SMITH, MARY CAROL 1 FASHING (EDWARDS LIME -A-) OVINTIV USA INC. 097980 SMITH, MARY CAROL TRUST 1 FASHING (EDWARDS LIME -A-) WAGNER OIL COMPANY 000193 SMITH, MARY CAROL TRUST 4 FASHING (EDWARDS LIME -A-) WAGNER OIL COMPANY 109470 SMITH, MARY CAROL TRUST 6 FASHING (EDWARDS LIME -A-) PROTEGE ENERGY III LLC 209360 SMITH, MARY CAROL TRUST UNIT 5 FASHING (EDWARDS LIME -A-) WAGNER OIL COMPANY 119022 SNOWDEN EF 1H HAWKVILLE (EAGLEFORD SHALE) GULFTEX ENERGY, LLC 261833 SNOWDEN EF 2H HAWKVILLE (EAGLEFORD SHALE) GULFTEX ENERGY, LLC 270449 SNOWDEN EF 3H HAWKVILLE (EAGLEFORD SHALE) GULFTEX ENERGY, LLC 271381 SNOWDEN-OTTO EF 1H EAGLEVILLE (EAGLE FORD-1) GULFTEX ENERGY, LLC 270430 SNOWDEN-OTTO EF 2H EAGLEVILLE (EAGLE FORD-1) GULFTEX ENERGY, LLC 271308 SO. TEXAS SYNDICATE #39 2 WASHBURN RANCH, WEST (4800) PYLE PETROLEUM, INC. 137194 SO. TEXAS SYNDICATE #39 4 WASHBURN RANCH, WEST (4800) PYLE PETROLEUM, INC. 178917 SO. TEXAS SYNDICATE #39 5 WASHBURN RANCH, WEST (4800) PYLE PETROLEUM, INC. 178920 SOUTH SPUR RANCH 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260432 SOUTH SPUR RANCH 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 261053 SOUTH SPUR STATE 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266434 SOUTH SPUR STATE 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267400 SOUTH SPUR STATE 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267546 SOUTH SPUR STATE 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267547 SOUTH SPUR UNIT A 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263444 SOUTH SPUR UNIT A 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267399 SOUTH SPUR UNIT A 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267398 SOUTH SPUR UNIT A 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268333 SOUTH SPUR UNIT A 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268342 SOUTH SPUR UNIT A 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268343 SOUTH SPUR UNIT A 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272335 SOUTH SPUR UNIT A 8H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272336 SOUTH SPUR UNIT A 9H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272337 SOUTH SPUR UNIT B 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278101 SOUTH SPUR UNIT B 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 278031 SOUTH SPUR UNIT B 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 277608 SOUTH SPUR UNIT B 10H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279092 SOUTH TEXAS SYNDICATE 1 MULA PASTURE (EDWARDS LIME) PROLINE ENERGY RESOURCES INC 140185 SOUTH TEXAS SYNDICATE 291B HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 267826 SOUTH TEXAS SYNDICATE 291H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 255011 SOUTH TEXAS SYNDICATE 292B HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 268134 SOUTH TEXAS SYNDICATE 293B HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 267023 SOUTH TEXAS SYNDICATE 401 BIG MULE (5500 SAND) TRACKER OIL & GAS, INC. 113835 SOUTH TEXAS SYNDICATE 451C HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 260340 SOUTH TEXAS SYNDICATE 451H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 254365 SOUTH TEXAS SYNDICATE 452 H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 258206 SOUTH TEXAS SYNDICATE 452B HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 260588 SOUTH TEXAS SYNDICATE 452C HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 268314


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ SOUTH TEXAS SYNDICATE 453C HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 268310 SOUTH TEXAS SYNDICATE 454C HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 268315 SOUTH TEXAS SYNDICATE A 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 270312 SOUTH TEXAS SYNDICATE A 6H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 275938 SOUTH TEXAS SYNDICATE A 7H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 275925 SOUTH TEXAS SYNDICATE A 8H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 276119 SOUTH TEXAS SYNDICATE B 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 278266 SOUTH TEXAS SYNDICATE B 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 277920 SOUTH TEXAS SYNDICATE B 3H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 277916 SOUTH TEXAS SYNDICATE B 4H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 277087 SOUTH TEXAS SYNDICATE B 5H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 277772 SOUTH TEXAS SYNDICATE B 6H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 277759 SOUTH TEXAS SYNDICATE B 7H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 277758 SOUTH TEXAS SYNDICATE B 8H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 277757 SOUTH TEXAS SYNDICATE B451H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 274907 SOUTH TEXAS SYNDICATE B452H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 275071 SOUTH TEXAS SYNDICATE B453H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 275662 SOUTH TEXAS SYNDICATE D 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 282047 SOUTH TEXAS SYNDICATE D 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 282414 SOUTH TEXAS SYNDICATE D 3H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 282291 SOUTH TEXAS SYNDICATE E 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 269294 SOUTH TEXAS SYNDICATE E 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 272022 SOUTH TEXAS SYNDICATE F 6H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 285387 SOUTH TEXAS SYNDICATE F 7H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 285388 SOUTH TEXAS SYNDICATE F 8H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 285709 SOUTH TEXAS SYNDICATE F 9H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 285708 SOUTH TEXAS SYNDICATE F 10H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 285707 SOUTH TEXAS SYNDICATE G 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 269096 SOUTH TEXAS SYNDICATE G 5H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 269092 SOUTH TEXAS SYNDICATE H 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 270945 SOUTH TEXAS SYNDICATE I 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 282333 SOUTH TEXAS SYNDICATE I 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 282332 SOUTH TEXAS SYNDICATE I 3H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 284669 SOUTH TEXAS SYNDICATE I 4H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 284673 SOUTH TEXAS SYNDICATE I 5H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 284670 SOUTH TEXAS SYNDICATE I 6H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 284671 SOUTH TEXAS SYNDICATE I 7H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 284672 SOUTH TEXAS SYNDICATE J 2H HAWKVILLE (EAGLEFORD SHALE) EQUINOR TEXAS ONSHORE PROP LLC 288105 SOUTH TEXAS SYNDICATE J 3H HAWKVILLE (EAGLEFORD SHALE) EQUINOR TEXAS ONSHORE PROP LLC 288106 SOUTH TEXAS SYNDICATE J 4H HAWKVILLE (EAGLEFORD SHALE) EQUINOR TEXAS ONSHORE PROP LLC 288107 SOUTH TEXAS SYNDICATE J 5H HAWKVILLE (EAGLEFORD SHALE) EQUINOR TEXAS ONSHORE PROP LLC 288108 SOUTH TEXAS SYNDICATE J 6H HAWKVILLE (EAGLEFORD SHALE) EQUINOR TEXAS ONSHORE PROP LLC 288109 SOUTH TEXAS SYNDICATE M 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 269249 SOUTH TEXAS SYNDICATE O 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 272759 SOUTH TEXAS SYNDICATE O 3H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 272764 SOUTH TEXAS SYNDICATE Y 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 270416 SOUTH TEXAS SYNDICATE 7541H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 271302 SOUTH TEXAS SYNDICATE II-A 5 WASHBURN (EDWARDS) SEA EAGLE FORD, LLC 092093 SOUTH TEXAS SYNDICATE II-A 6 WASHBURN (EDWARDS) SEA EAGLE FORD, LLC 106671 SOUTH TEXAS SYNDICATE II-A 7 WASHBURN (EDWARDS) SEA EAGLE FORD, LLC 135425 SOUTH TEXAS SYNDICATE II-A 9 WASHBURN (EDWARDS) SEA EAGLE FORD, LLC 144748


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ SOUTH TEXAS SYNDICATE II-A 11 WASHBURN (EDWARDS) SEA EAGLE FORD, LLC 221403 SOUTH TEXAS SYNDICATE II-B 8 WHITE KITCHEN (EDWARDS LIME) SEA EAGLE FORD, LLC 139165 SOUTH TEXAS SYNDICATE II-B 10 WASHBURN (EDWARDS) SEA EAGLE FORD, LLC 161512 SOUTH TEXAS SYNDICATE II-B 12 WHITE KITCHEN (EDWARDS LIME) SEA EAGLE FORD, LLC 221325 SOUTH TEXAS SYNDICATE II-B 14 WASHBURN (EDWARDS) SEA EAGLE FORD, LLC 221318 SPICE GAS UNIT 2 HOSTETTER (WILCOX 10300) HOME PETROLEUM CORP. 130518 SPICE GAS UNIT 3 HOSTETTER (WILCOX 10300) BLACKBEARD OPERATING, LLC 130821 SPINACH (ELAINE) UNIT 1 SPINACH (ELAINE) RICKAWAY ENERGY, CORP. 064649 SPIRIT 1 FRANCES HILL (PENN, LOWER) TRIPLE G OPERATING, LLC 167364 SPIRIT 2 FRANCES HILL (PENN, LOWER) TRIPLE G OPERATING, LLC 169644 SPJST LODGE 5 JOURDANTON (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 278609 SPOHN RANCH 1H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 269081 SPOHN RANCH 2H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 277392 SPOHN RANCH 3HB HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 277314 SPOHN RANCH 4H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 276079 SPOHN RANCH 5H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 276028 SPOHN RANCH 6H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 278541 SPOHN RANCH 7H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 278462 SPOHN RANCH 8H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 278149 SPOHN RANCH 9H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 278158 SPOHN RANCH 10H AMMANN (BUDA) ESCONDIDO RESOURCES OPER CO, LLC 283210 SPOHN RANCH 10H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 281431 SPOHN RANCH 11H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 281432 SPOHN RANCH 12H AMMANN (BUDA) ESCONDIDO RESOURCES OPER CO, LLC 282801 SPOHN RANCH 12H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 282191 SPOHN RANCH 13H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 282364 SPOHN RANCH 14H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 282365 SPOHN RANCH 15H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 282473 SPOHN RANCH 16H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 284938 SPOHN RANCH 17H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 284799 SPOHN RANCH 18H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 284828 SPOHN RANCH 19H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 284940 SPOHN RANCH 20H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 286555 SPOHN RANCH 21H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 286556 SPOHN RANCH 22H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 286557 SPOHN RANCH 23H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 286606 SPOHN RANCH 24H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 287125 SPRINGER RANCH 2 HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 260474 SPRINGER RANCH 3 HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 273384 SPRINGER RANCH 4 HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 275012 SPRINGER RANCH 5 HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 276565 SPRINGMAN 1050 APPURCEON (OLMOS) FLINT OAK ENERGY, LLC 092037 SR ALTUVE 27H A.W.P. (OLMOS) SANDPOINT OPERATING, LLC 286600 SR BREGMAN 2H A.W.P. (OLMOS) SANDPOINT OPERATING, LLC 287448 SR RYAN UNIT 1H HAWKVILLE (EAGLEFORD SHALE) SIERRA RESOURCES, LLC 285993 SR SCHULZ UNIT 1H HAWKVILLE (EAGLEFORD SHALE) SIERRA RESOURCES, LLC 287476 STANLEY RANCH 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 255427 STANLEY RANCH 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260057 STANLEY RANCH 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260404 STANLEY RANCH 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260228 STANLEY RANCH 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260233


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ STANLEY RANCH 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266943 STANLEY RANCH 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267279 STANLEY RANCH 8H AMMANN (BUDA) SN EF MAVERICK, LLC 275395 STANLEY RANCH 8H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272874 STANLEY RANCH 9H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267280 STANLEY RANCH 10H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267284 STANLEY RANCH 11H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267320 STANLEY RANCH 12H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267584 STANLEY RANCH 13H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267552 STANLEY RANCH 14H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263620 STANLEY RANCH 15H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 265563 STANLEY RANCH 16H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 265579 STANLEY RANCH 17H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266726 STANLEY RANCH 18H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 265442 STANLEY RANCH 19H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 265445 STANLEY RANCH 20H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266941 STANLEY RANCH 21H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 261617 STANLEY RANCH 22H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263722 STANLEY RANCH 23H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264123 STANLEY RANCH 24H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264124 STANLEY RANCH 25H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264133 STANLEY RANCH 26H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272290 STANLEY RANCH 27H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272334 STANLEY RANCH 28H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271959 STANLEY RANCH 29H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271896 STANLEY RANCH 30H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272819 STANLEY RANCH 31H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272820 STANLEY RANCH 43H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271888 STANLEY RANCH 44H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271788 STANLEY RANCH 45H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273731 STANLEY RANCH 46H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273734 STANLEY RANCH 47H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273733 STANLEY RANCH 48H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273738 STANLEY RANCH 49H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272895 STANLEY RANCH 50H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272892 STANLEY RANCH 51H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272893 STANLEY RANCH 52H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272897 STANLEY RANCH 53H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273003 STANLEY RANCH 54H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273166 STANLEY RANCH 55H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273469 STANLEY RANCH 56H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273470 STANLEY RANCH 57H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273472 STANLEY RANCH 58H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273475 STANLEY RANCH 59H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273607 STANLEY RANCH 60H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273037 STANLEY RANCH 61H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272569 STANLEY RANCH 62H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272567 STANLEY RANCH 63H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 274938 STATE OF TEXAS - HILL RANCH GU 4H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 267720 STATE OF TEXAS HILL RANCH 2H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 257687 STATE OF TEXAS-HILL RANCH 3H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 266931


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ STEDMAN, S. C. "B" 1 MINERVA-ROCKDALE STEDMAN OIL & GAS CO. 091649 STELLA PENN 2 HOSTETTER, N. (QUEEN CITY 6250) BLACKBEARD OPERATING, LLC 280522 STELLA PENN 6 HOSTETTER, N. (QUEEN CITY 6250) BLACKBEARD OPERATING, LLC 158075 STELLA PENN 10 HOSTETTER, N. (QUEEN CITY 6250) BLACKBEARD OPERATING, LLC 272961 STEWART 1 ROCKSPRINGS, W. (CANYON) BAKER RESOURCES 167503 STEWART 2 EPPERSON (CANYON SAND) LAKESHORE OPERATING, LLC 172840 STEWART 3 EPPERSON (CANYON SAND) LAKESHORE OPERATING, LLC 178534 STEWART "47" 1 ROCKSPRINGS, W. (CANYON) TOC ENERGY RESOURCES, LLC 139153 STEWART STATE 23H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 277260 STEWART TRUST HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 277225 STEWART TRUST 5H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 261083 STEWART TRUST 22H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 277202 STEWART TRUST STATE 6H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 263542 STOCKTON 1A STUART CITY (EDWARDS LIME) SILVERBOW RESOURCES OPER, LLC 147970 STOCKTON 6 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 228216 STOCKTON 7 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 227565 STOCKTON "A" 1 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 214671 STOCKTON A 3 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 212163 STOCKTON A 4 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 221461 STOCKTON A 5 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 224978 STOCKTON B 8 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 225001 STOCKTON B 9 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 229809 STOCKTON, J.H. 2 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 187434 STOKES-KRUEGER UNIT 1H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 266576 STONE 'A' 1 WILDCAT MAVERICK ENERGY, INC. 137944 STOREY 4H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260102 STOREY A 5H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260598 STOREY ESTATE 7 WHITE KITCHEN (EDWARDS LIME) VIRTEX OPERATING COMPANY, INC. 132136 STOREY ESTATE 11 WHITE KITCHEN (EDWARDS LIME) VIRTEX OPERATING COMPANY, INC. 196353 STOREY UNIT 1 6H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 266198 STOREY UNIT 2 1H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 285624 STOREY UNIT 3 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 266147 STOREY 151 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 255180 STOREY 267 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 252816 STOREY 267 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 258028 STOREY 267 4H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273546 STOREY 267 5H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 266130 STOREY-PEEBLES UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 266260 STOREY, H. D. 3 STOREY (4470) VIRTEX OPERATING COMPANY, INC. 050840 STOREY, H. D. 5 M STOREY (5150, GRABEN) VIRTEX OPERATING COMPANY, INC. 051901 STOREY, H. D. 5 U STOREY (4900) VIRTEX OPERATING COMPANY, INC. 051836 STRIDDE, HERBERT 1 DAN COBBS (WILCOX, LO.) CASKIDS OPERATING COMPANY 156797 STS 1 HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 244785 STS 1H BRISCOE RANCH (EAGLEFORD) TIDAL PETROLEUM, INC. 262866 STS 2H EAGLEVILLE (EAGLE FORD-1) TIDAL PETROLEUM, INC. 265231 STS 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 254322 STS 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 251818 STS 4H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 254479 STS 5H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270703 STS 6H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 258270 STS 7H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 268485


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ STS 8H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 258421 STS 9H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 261253 STS 10H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 267681 STS 11H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260601 STS 13H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260605 STS 22H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271639 STS 23H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272458 STS 24H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273579 STS 25H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 288037 STS 26H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 288371 STS 27H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 288372 STS 28H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 288391 STS 29H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 288393 STS 35H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 282640 STS 36H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 282871 STS 37H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 282644 STS 38H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 277393 STS 39H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 277297 STS 40H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 277329 STS 41H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 277309 STS 53H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272128 STS 54H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272735 STS 55H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273580 STS 'A' 1S BIG ALAMO (5550) SANDPOINT OPERATING, LLC 286408 STS 'A' 4 H A.W.P. (OLMOS) SANDPOINT OPERATING, LLC 279803 STS 'A' 5H A.W.P. (OLMOS) SANDPOINT OPERATING, LLC 279637 STS 'A' 6H A.W.P. (OLMOS) SANDPOINT OPERATING, LLC 279804 STS 'A' 7H A.W.P. (OLMOS) SANDPOINT OPERATING, LLC 280114 STS 'A' 8H A.W.P. (OLMOS) SANDPOINT OPERATING, LLC 279805 STS 'A' 10H A.W.P. (OLMOS) SANDPOINT OPERATING, LLC 279806 STS 'A' 14H A.W.P. (OLMOS) SANDPOINT OPERATING, LLC 281690 STS 'A' 18H A.W.P. (OLMOS) SANDPOINT OPERATING, LLC 284164 STS 'D' 1H A.W.P. (OLMOS) SANDPOINT OPERATING, LLC 281506 STS "A" 361H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 255968 STS A 2S BIG ALAMO (5550) SANDPOINT OPERATING, LLC 283332 STS A - NMC UNIT 1 17H A.W.P. (OLMOS) SANDPOINT OPERATING, LLC 284239 STS A KENNEDY STATE UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 267906 STS A KLAUSS-STATE GAS UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 265078 STS B 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 254484 STS B 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271388 STS B 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271374 STS B 4H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271208 STS B 5H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 268926 STS B 6H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 261321 STS B 8H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260603 STS B 13H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 266333 STS B 49H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 284165 STS B 50H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 284166 STS B 51H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 283956 STS B 52H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 287167 STS B 53H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 287168


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ STS B 54H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 287726 STS B 55H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 287833 STS B 56H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 287853 STS B 57H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 276713 STS B 60H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 276688 STS B 61H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 276671 STS C 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 288456 STS C 1P WILDCAT BPX OPERATING COMPANY 272110 STS C 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 288457 STS C 4H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 262201 STS C 5H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 266249 STS C 6H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 267484 STS C 7H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271660 STS C 9H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270101 STS C 11H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 269932 STS C 16H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272021 STS C 17H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272331 STS C 46H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 273558 STS C 47H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272768 STS C - STS NORTH 10 10H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 287127 STS C - STS NORTH 7 7H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 287478 STS C - STS NORTH 8 8H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 288111 STS C - STS NORTH 9 9H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 286490 STS C NORTH UNIT X 11H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 277532 STS C NORTH UNIT X 12H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 278748 STS C NORTH UNIT X 13H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 278054 STS MCJUNKIN "G" 1 GREEN BRANCH, SE.(6200) LIQUID PETROLEUM RESOURCES, INC. 165528 STS SOUTH 1H HAWKVILLE (EAGLEFORD SHALE) BLACKBRUSH O & G, LLC 283618 STS SOUTH 3H HAWKVILLE (EAGLEFORD SHALE) BLACKBRUSH O & G, LLC 283973 STS SOUTH 6H HAWKVILLE (EAGLEFORD SHALE) BLACKBRUSH O & G, LLC 284798 STS SOUTH 9H HAWKVILLE (EAGLEFORD SHALE) BLACKBRUSH O & G, LLC 284949 STS SOUTH 10H HAWKVILLE (EAGLEFORD SHALE) BLACKBRUSH O & G, LLC 284953 STS SOUTH 11H HAWKVILLE (EAGLEFORD SHALE) BLACKBRUSH O & G, LLC 288370 STS SOUTH 12H HAWKVILLE (EAGLEFORD SHALE) BLACKBRUSH O & G, LLC 288169 STS 1 EF 1H HAWKVILLE (EAGLEFORD SHALE) SIERRA RESOURCES, LLC 284614 STS-A 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 252769 STS-A 4H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260176 STUMBERG 1 APPURCEON (OLMOS) SOUTH COAST OIL & GAS CO. 091077 STUMBERG 2 APPURCEON (OLMOS) SOUTH COAST OIL & GAS CO. 090921 STUMBERG 5 CATARINA, SW. (OLMOS) SOUTH COAST OIL & GAS CO. 095640 STUMBERG RANCH 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260132 STUMBERG RANCH 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260133 STUMBERG RANCH 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 260134 STUMBERG RANCH 4HR BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264116 STUMBERG RANCH 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264117 STUMBERG RANCH 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264118 STUMBERG RANCH 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266100 STUMBERG RANCH 8H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266353 STUMBERG RANCH 9H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266357 STUMBERG RANCH 10H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266595 STUMBERG RANCH 11H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266718


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ STUMBERG RANCH 12H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266719 STUMBERG RANCH 16H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267111 STUMBERG RANCH 17H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267113 STUMBERG RANCH 18H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267115 STUMBERG RANCH 19H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267555 STUMBERG RANCH 20H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267560 STUMBERG RANCH 21H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267561 STUMBERG RANCH 22H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267771 STUMBERG RANCH 23H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267828 STUMBERG RANCH 24H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267831 STUMBERG RANCH 25H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269050 STUMBERG RANCH 26H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269052 STUMBERG RANCH 27HR AMMANN (BUDA) SN EF MAVERICK, LLC 273038 STUMBERG RANCH 27HR BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269070 STUMBERG RANCH 28H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269104 STUMBERG RANCH 29H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269074 STUMBERG RANCH 30H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269106 STUMBERG RANCH 31H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269108 STUMBERG RANCH 32H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269112 STUMBERG RANCH 33H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269127 STUMBERG RANCH 34H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269128 STUMBERG RANCH 35H AMMANN (BUDA) SN EF MAVERICK, LLC 272828 STUMBERG RANCH 35H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 269136 STUMBERG RANCH 37H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273186 STUMBERG RANCH 39H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280033 STUMBERG RANCH 41H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279312 STUMBERG RANCH 43H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273025 STUMBERG RANCH 44H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 273329 STUMBERG RANCH 45H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279860 STUMBERG RANCH 46H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279544 STUMBERG RANCH 47H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279889 STUMBERG RANCH 48H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 279597 STUMBERG RANCH 49H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 275844 STUMBERG RANCH UNIT A 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272130 STUMBERG RANCH UNIT A 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272167 STUMBERG RANCH UNIT A 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272168 STUMBERG RANCH UNIT A 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272033 STUMBERG RANCH UNIT A 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272034 STUMBERG RANCH UNIT A 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272035 STUMBERG RANCH UNIT A 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272036 STUMBERG RANCH UNIT B 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272401 STUMBERG RANCH UNIT B 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272402 STUMBERG RANCH UNIT B 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272403 STUMBERG RANCH UNIT B 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272404 STUMBERG RANCH UNIT B 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272405 STUMBERG RANCH UNIT B 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272406 STUMBERG RANCH UNIT B 7H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272407 STUMBERG RANCH UNIT C 13H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 280113 STUMBERG RANCH UNIT C 15H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 281217 STUMBERG RANCH UNIT E 01ER BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 287255 STUMBERG RANCH UNIT E 01HA BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284367


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ STUMBERG RANCH UNIT E 01HE BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284693 STUMBERG RANCH UNIT E 01HG BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 284959 SWEETEN 2801 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 139206 SWEETEN 4801 EPPERSON (CANYON SAND) TOC ENERGY RESOURCES, LLC 133547 SWR 1 A.W.P. (OLMOS) DORADO DRILLING, INC. 161145 SWR 2 A.W.P. (OLMOS) DORADO DRILLING, INC. 161675 SWR 3 A.W.P. (OLMOS) DORADO DRILLING, INC. 161147 SWR 4 A.W.P. (OLMOS) DORADO DRILLING, INC. 161665 SWR 5 A.W.P. (OLMOS) DORADO DRILLING, INC. 161148 SWR 6 A.W.P. (OLMOS) DORADO DRILLING, INC. 162065 SWR 7 A.W.P. (OLMOS) DORADO DRILLING, INC. 165372 SWR "B" 1 A.W.P. (OLMOS) DORADO DRILLING, INC. 159777 SWR "B" 2 A.W.P. (OLMOS) DORADO DRILLING, INC. 160164 SWR "B" 3 A.W.P. (OLMOS) DORADO DRILLING, INC. 160457 SWR "B" 5 A.W.P. (OLMOS) DORADO DRILLING, INC. 162047 SWR "B" 6 A.W.P. (OLMOS) DORADO DRILLING, INC. 162044 SWR "B" 7 A.W.P. (OLMOS) DORADO DRILLING, INC. 162259 SWR "B" 8 A.W.P. (OLMOS) DORADO DRILLING, INC. 162050 SWR "B" 11 A.W.P. (OLMOS) DORADO DRILLING, INC. 162599 SWR "B" 14 A.W.P. (OLMOS) DORADO DRILLING, INC. 162613 SWR "B" 16 A.W.P. (OLMOS) DORADO DRILLING, INC. 211769 SWR "C" 1 A.W.P. (OLMOS) DORADO DRILLING, INC. 160166 SWR "D" 1 A.W.P. (OLMOS) DORADO DRILLING, INC. 160462 SWR "D" 2 A.W.P. (OLMOS) DORADO DRILLING, INC. 159983 SWR "D" 3 A.W.P. (OLMOS) DORADO DRILLING, INC. 162601 SWR "D" 4 A.W.P. (OLMOS) DORADO DRILLING, INC. 163382 SWR "G" 1 A.W.P. (OLMOS) DORADO DRILLING, INC. 164931 SWR "G" 2 A.W.P. (OLMOS) DORADO DRILLING, INC. 243061 SWR "H" 1 A.W.P. (OLMOS) DORADO DRILLING, INC. 160191 SWR "H" 2 A.W.P. (OLMOS) DORADO DRILLING, INC. 160536 SWR "H" 3 A.W.P. (OLMOS) DORADO DRILLING, INC. 160458 SWR "H" 4 A.W.P. (OLMOS) DORADO DRILLING, INC. 161439 SWR "H" 5 A.W.P. (OLMOS) DORADO DRILLING, INC. 164930 SWR "H" 6 A.W.P. (OLMOS) DORADO DRILLING, INC. 161654 SWR "H" 7 A.W.P. (OLMOS) DORADO DRILLING, INC. 164080 SWR "H" 8 A.W.P. (OLMOS) DORADO DRILLING, INC. 167083 SWR "H" 9 A.W.P. (OLMOS) DORADO DRILLING, INC. 164934 SWR "H" 10 A.W.P. (OLMOS) DORADO DRILLING, INC. 162725 SWR "H" 12 A.W.P. (OLMOS) DORADO DRILLING, INC. 165038 SWR "H" 14 A.W.P. (OLMOS) DORADO DRILLING, INC. 164076 SWR "H" 15 A.W.P. (OLMOS) DORADO DRILLING, INC. 165373 SWR "H" 16 A.W.P. (OLMOS) DORADO DRILLING, INC. 165045 SWR "H" 18 A.W.P. (OLMOS) DORADO DRILLING, INC. 178527 SWR "H" 19 A.W.P. (OLMOS) DORADO DRILLING, INC. 180329 SWR "J" 2 A.W.P. (OLMOS) DORADO DRILLING, INC. 163892 SWR "J" 3 A.W.P. (OLMOS) DORADO DRILLING, INC. 169212 SWR "J" 4 A.W.P. (OLMOS) DORADO DRILLING, INC. 178932 SWR "J" 5 A.W.P. (OLMOS) DORADO DRILLING, INC. 241832 SWR "M" 1 A.W.P. (OLMOS) DORADO DRILLING, INC. 169159 SWR "M" 2 A.W.P. (OLMOS) DORADO DRILLING, INC. 169163 SWR "M" 3 A.W.P. (OLMOS) DORADO DRILLING, INC. 171462


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ SWR "M" 4 A.W.P. (OLMOS) DORADO DRILLING, INC. 171464 SWR "M" 5 A.W.P. (OLMOS) DORADO DRILLING, INC. 243841 SWR "N" 1 A.W.P. (OLMOS) DORADO DRILLING, INC. 166657 TABOR W. H. 62 LULING-BRANYON (1700) TEXAS PETROLEUM INVESTMENT CO. 074320 TABOR W. H. 63 LULING-BRANYON (1700) TEXAS PETROLEUM INVESTMENT CO. 074319 TABOR W. H. 64 LULING-BRANYON (1700) TEXAS PETROLEUM INVESTMENT CO. 074321 TALASEK 1 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 244792 TARTT, EMMA ET AL 1 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 000210 TARTT, EMMA ET AL 2D FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 100238 TARTT, EMMA ET AL 4 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 000213 TARTT, EMMA ET AL 5 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 000214 TARTT, EMMA ET AL 6 L FASHING (EDWARDS LIME -B-) XTO ENERGY INC. 088306 TARTT, EMMA ET AL 6 U FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 088305 TARTT, EMMA ET AL 7 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 117044 TARTT, EMMA ET AL 8 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 116743 TARTT, EMMA ET AL 10 FASHING (EDWARDS LIME -B-) XTO ENERGY INC. 144630 TARTT, EMMA ET AL 11-L FASHING (EDWARDS LIME -B-) XTO ENERGY INC. 145124 TARTT, EMMA ET AL 11-U FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 145125 TARTT, EMMA ET AL 12 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 164104 TARTT, EMMA ET AL 13 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 195457 TARTT, EMMA ET AL 14 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 216006 TARTT, EMMA ET AL 15 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 229952 TARTT, EMMA ET AL 16 FASHING (EAGLE FORD) XTO ENERGY INC. 250616 TATE-RAMIREZ B 3H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 285455 TATE-RAMIREZ C 4H BRISCOE RANCH (EAGLEFORD) ESCONDIDO RESOURCES OPER CO, LLC 285780 TATE-RAMIREZ UNIT A 1H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 278133 TATE-RAMIREZ UNIT A 2H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES OPER CO, LLC 278131 TATE, G. E. 8 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 167332 TATE, GORDON E. 4 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000046 TATE, GORDON E. 5 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000047 TATE, GORDON E. 7 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 030769 TATE, GORDON E. 9 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 167333 TAYLOR-CARSON TURNEY UNIT 1 LOS CUATROS (LOWER CRETACEOUS) QUEMADO ENERGY, L.L.C. 081977 TEAL 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 261912 TENNECO FEE 1 SIMPSON-MANN (CANYON) SILVER OIL & GAS INC. 113570 TENNECO FEE 2 SIMPSON-MANN (CANYON) SILVER OIL & GAS INC. 116047 TENNECO FEE 903 SIMPSON-MANN (CANYON) SILVER OIL & GAS INC. 233668 TENNECO FEE 904 SIMPSON-MANN (CANYON) SILVER OIL & GAS INC. 233669 TERVITA LOS ANGELES TRD 1 LOS ANGELES (4700) REPUBLIC EES, LLC 265589 TEXACO FEE GAS UNIT 160 BONNE TERRE (10600) FOURTH FLOOR OPERATING LLC 127409 TEXACO FEE GAS UNIT 260 BONNE TERRE (10770) FOURTH FLOOR OPERATING LLC 148720 TEXACO FEE GAS UNIT 360 C BONNE TERRE (10770) FOURTH FLOOR OPERATING LLC 127660 TEXACO FEE GAS UNIT 360 T BONNE TERRE (10970) FOURTH FLOOR OPERATING LLC 127872 TEXAS A & M -63- 1 FRANCES HILL (PENN, LOWER) JOHNSON & LINDLEY, LLC 176803 TEXAS A & M -63- 2 FRANCES HILL (PENN) JOHNSON & LINDLEY, LLC 053243 TEXAS A & M -63- 5 FRANCES HILL (PENN) JOHNSON & LINDLEY, LLC 056014 TEXAS A & M -69- 1 FRANCES HILL (PENN) JOHNSON & LINDLEY, LLC 053097 TEXAS A & M -69- 3 FRANCES HILL (PENN) JOHNSON & LINDLEY, LLC 053493 TEXAS A & M -69- 4 FRANCES HILL (PENN) JOHNSON & LINDLEY, LLC 053494 TEXAS A & M "69" 2 FRANCES HILL (PENN) JOHNSON & LINDLEY, LLC 177405 TEXAS A&M "62" 7 FRANCES HILL (PENN) JOHNSON & LINDLEY, LLC 133654


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ THETFORD-TEAL UNIT NO. 1 1 A.W.P. (OLMOS) WHITE OAK OPERATING COMPANY LLC 253226 THETFORD-TEAL UNIT NO. 2 1 A.W.P. (OLMOS) WHITE OAK OPERATING COMPANY LLC 219596 THOMPSON, C. R., ESTATE 1 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000048 THOMPSON, C. R., ESTATE 2 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 031152 THORNTON "H" 1 COOKE (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 193944 THRONTON "H" 2 COOKE (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 196299 THURMAN 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 272566 THURMAN 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 271738 THURMAN 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 271739 TILLER, J. R. 55 SALT FLAT (NAVARRO) DST OIL COMPANY 113354 TOM "A" 5 FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 064761 TOM "A" GU 1 3 L FASHING (EDWARDS LIME -B-) CAPITAL STAR OIL & GAS, INC. 144629 TOM "A" GU 1 3 U FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 144628 TOM "A" GU 2 3 L FASHING (EDWARDS LIME -B-) CAPITAL STAR OIL & GAS, INC. 108341 TOM "A" GU 2 3 U FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 108343 TOM "A" GU 2 4 L FASHING (EDWARDS LIME -B-) CAPITAL STAR OIL & GAS, INC. 133619 TOM "A" GU 2 4 U FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 133618 TOM "A" GU 2 5 FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 165121 TOM "A" GU 3 1 L FASHING (EDWARDS LIME -B-) CAPITAL STAR OIL & GAS, INC. 000252 TOM "A" GU 3 1 U FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 000222 TOM "A" GU 3 2 L FASHING (EDWARDS LIME -B-) CAPITAL STAR OIL & GAS, INC. 096973 TOM "A" GU 3 2 U FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 097978 TOM "A" GU 4 3 L FASHING (EDWARDS LIME -B-) CAPITAL STAR OIL & GAS, INC. 116049 TOM "A" GU 4 3 U FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 116048 TOM "A" GU 4 4 FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 133675 TOMASI 1 RINEHART (AUSTIN CHALK) TOMASI, WM. JR & TOMASI, WM III 060433 TOVAR WEST-LLOYD 34 B UNIT 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268307 TOVAR WEST-LLOYD 34 UNIT 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 266450 TOVAR WEST-LLOYD 63 A UNIT 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263892 TOVAR WEST-LLOYD 63 B UNIT 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 267110 TOVAR WEST-LLOYD 69 A UNIT 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268308 TOVAR WEST-LLOYD 75 A UNIT 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264810 TOVAR WEST-LLOYD 77 UNIT 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 264811 TOVAR WEST-LLOYD 79 A UNIT 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 263904 TOVAR WLC A UNIT 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268896 TOVAR WLC A UNIT 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268899 TOVAR WLC A UNIT 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 268913 TOVAR WLC A UNIT 4H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272039 TOVAR WLC A UNIT 5H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272040 TOVAR WLC A UNIT 6H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 272041 TOVAR WLC B UNIT 1H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271912 TOVAR WLC B UNIT 2H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271922 TOVAR WLC B UNIT 3H BRISCOE RANCH (EAGLEFORD) SN EF MAVERICK, LLC 271923 TREVINO RANCH 3H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 259088 TREVINO RANCH 5H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 263584 TREVINO RANCH 6H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 267265 TRIBAR-SCHOOLFIELD 1SF TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 173990 TRIBAR-SCHOOLFIELD 2SF TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 123997 TRIBAR-SCHOOLFIELD 4SF TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 175376 TRIBAR-SCHOOLFIELD 5SF TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 138950 TRIBAR-SCHOOLFIELD 6SF TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 177477


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ TRIBAR-SCHOOLFIELD 7SF TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 176340 TRIBAR-SCHOOLFIELD 9SF TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 176325 TRIBAR-SCHOOLFIELD 10SF TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 177542 TRIBAR-SCHOOLFIELD 11SF TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 176324 TRIBAR-SCHOOLFIELD 13SF TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 181198 TRIBAR-SCHOOLFIELD 18SF TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 181812 TRIBAR-SCHOOLFIELD C 7 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 167930 TRIBAR-SCHOOLFIELD C 8 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 169398 TRIBAR-SCHOOLFIELD E 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 175066 TRIBAR-SCHOOLFIELD E 2 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 163673 TRIBAR-SCHOOLFIELD E 3 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 160197 TRIBAR-SCHOOLFIELD E 4 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 165034 TRIBAR-SCHOOLFIELD E 6 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 167691 TRIBAR-SCHOOLFIELD E 19 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 204349 TRIBAR, D. W. 56 "C" 3 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 078529 TRIBAR, D. W. 56 "C" 4 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 158834 TRIBAR, D. W. 56 "C" 5 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 167505 TRIBAR, D. W. 56 "C" 6 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 179177 TRIBAR, D. W. 56 "C" 7 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 169784 TRIBAR, D. W. 56 "C" 8 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 178340 TRIBAR, D. W. 56 "C" 10 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 191316 TRIPLE BAR RANCH "A" 1A TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 158045 TRIPLE BAR RANCH "A" 4 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 159145 TRIPLE BAR RANCH "A" 5 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 078530 TRIPLE BAR RANCH "A" 10 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 114014 TRIPLE BAR RANCH "A" 11 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 120328 TRIPLE BAR RANCH "B" 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 089720 TRIPLE BAR RANCH "B" 2 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 114200 TRIPLE BAR RANCH "C" 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 112579 TRIPLE BAR RANCH "C" 2 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 112839 TRIPLE BAR RANCH "C" 3 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 115106 TRIPLE BAR RANCH "E" 2 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 067154 TRIPLE BAR 55 "A" 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 155461 TRIPLE BAR 55 "A" 4 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 158059 TRIPLE BAR 55 "A" 6 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 220833 TRIPLE BAR 55 G 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 156638 TRIPLE BAR 55 G 2 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 157545 TRIPLE BAR 55 G 3 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 158060 TRIPLE BAR 55 G 5 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 214624 TRIPLE BARR 55 F 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 157581 TUCH UNIT 1 PEACH CREEK (AUSTIN CHALK) DIAMOND M DRLG & EXPL CO. 220501 TUCKER 1 ENCINAL (5800) VIRTEX OPERATING COMPANY, INC. 173843 TUMLINSON UNIT 5 C BLAKEWAY (4600 GAS SAND) TEXOWA, LLC 098857 TUMLINSON UNIT NO. 8 1 BLAKEWAY (DIXON SAND) TEXOWA, LLC 114751 TURNER-WINN EXPLORATION CO., INC 5 LOS CUATROS (LOWER CRETACEOUS) BAYLOR OPERATING, LLC 080425 TURNEY 1A FRANCES HILL (PENN, LOWER) TRIPLE G OPERATING, LLC 159577 TURNEY 2 CHITTIM (GEORGETOWN) XOG OPERATING LLC 285262 TURNEY-WINN EXPLORATION CO., INC 1 LOS CUATROS (LOWER CRETACEOUS) BAYLOR OPERATING, LLC 076702 TURNEY-WINN EXPLORATION CO., INC 3 LOS CUATROS (LOWER CRETACEOUS) XOG OPERATING LLC 079445 TURNEY-WINN EXPLORATION CO., INC 4 LOS CUATROS (LOWER CRETACEOUS) BAYLOR OPERATING, LLC 079021 TYLER RANCH 1 A.W.P. (OLMOS) TEXEGY OPERATING COMPANY LLC 257603


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ UNIVERSITY 54 17 5 KELLEY (ELLENBURGER) UPP OPERATING, LLC 244258 UNIVERSITY 54-24 1 KELLEY (ELLENBURGER) UPP OPERATING, LLC 243041 UNO MAS -A- 1 TRI BAR (OLMOS) VIRTEX OPERATING COMPANY, INC. 202442 UNO MAS -A- 4 TRI BAR (OLMOS) VIRTEX OPERATING COMPANY, INC. 202446 UNO MAS -A- 5 TRI BAR (OLMOS) VIRTEX OPERATING COMPANY, INC. 202443 UNO MAS -A- 7 TRI BAR (OLMOS) VIRTEX OPERATING COMPANY, INC. 202445 URBANCZYK GU 1 2 L FASHING (EDWARDS LIME -B-) CAPITAL STAR OIL & GAS, INC. 078972 URBANCZYK GU 1 2 U FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 085715 URBANCZYK GU 1 3 L FASHING (EDWARDS LIME -B-) CAPITAL STAR OIL & GAS, INC. 099570 URBANCZYK GU 1 3 U FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 099401 URBANCZYK GU 1 4 FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 160176 URBANCZYK GU 2 3 L FASHING (EDWARDS LIME -B-) CAPITAL STAR OIL & GAS, INC. 087778 URBANCZYK GU 2 3 U FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 087779 URBANCZYK GU 2 4 FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 150575 URBANCZYK GU 2 5LT FASHING (EDWARDS LIME -B-) CAPITAL STAR OIL & GAS, INC. 149296 URBANCZYK GU 2 5UT FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 149307 URBANCZYK GU 3 2 L FASHING (EDWARDS LIME -B-) CAPITAL STAR OIL & GAS, INC. 056013 URBANCZYK GU 3 2 U FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 054465 URBANCZYK GU 3 3 L FASHING (EDWARDS LIME -B-) CAPITAL STAR OIL & GAS, INC. 088798 URBANCZYK GU 3 3 U FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 088797 URBANCZYK GU 3 4 FASHING (EDWARDS LIME -A-) CAPITAL STAR OIL & GAS, INC. 173444 URBANCZYK GU 3 4 FASHING (EDWARDS LIME -B-) CAPITAL STAR OIL & GAS, INC. 148211 USSERY, CLAUDE 1 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000049 VALENZUELA 1 TAYLOR-INA (ANACACHO) SABINAL RESOURCES, INC. 232976 VALLEY WELLS UNIT 11 DIM O 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 279661 VALLEY WELLS UNIT 9 DIM O 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 278917 VALLEY WELLS UNIT 9 DIM O 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 280192 VAN CLEVE, W. M. 2 PILOSA (SAN MIGUEL) LONESOME DOVE OIL & GAS 000384 VANDY 82 1 WILDCAT APACHE CORPORATION 253237 VELESKY 1 WILDCAT SCULLY EXPLORATION LLC 251848 VELESKY 2 WILDCAT SCULLY EXPLORATION LLC 256044 VENADO 2 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 229766 VENADO 3 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 230677 VENADO 4 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 230633 VENADO 23 SUN T S H (OLMOS) FLETCHER OPERATING, LLC 243365 VESTER A UNIT 10H HAWKVILLE (EAGLEFORD SHALE) EP ENERGY E&P COMPANY, L.P. 265593 VESTER B UNIT 11H HAWKVILLE (EAGLEFORD SHALE) EP ENERGY E&P COMPANY, L.P. 265595 VESTRING ET AL 2 C CEBOLLA (DEL MONTE, SEG. A) JENNINGS EXPLORATION COMPANY 083700 VESTRING ET AL 2 T CEBOLLA (BRACERO, SEG. A) JENNINGS EXPLORATION COMPANY 083701 VIRGINIA FEE C 3H HAWKVILLE (EAGLEFORD SHALE) XTO ENERGY INC. 261769 VIRGINIA FEE C 8H HAWKVILLE (EAGLEFORD SHALE) XTO ENERGY INC. 261770 VIRGINIA FEE G 4H HAWKVILLE (EAGLEFORD SHALE) XTO ENERGY INC. 264424 VIRGINIA FEE G 5H HAWKVILLE (EAGLEFORD SHALE) XTO ENERGY INC. 263868 VIVIAN, G. W. 1687H PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 201742 VIVION 1 BRISCOE RANCH (EAGLEFORD) VERDUN OIL & GAS LLC 266427 VOLPE RANCH 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 171312 VOLPE-SCHOOLFIELD 62 2 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 179620 VOLZ STATE A2732 10H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279275 VOLZ STATE A2732 11H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 282839 VOLZ STATE A2732 12H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 282840 VOLZ STATE A2732 13H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284433


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ VOLZ STATE A2732 14H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 284355 VOLZ-STATE 1592 G. U. 7H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 271398 VON ORMY 1 VON ORMY (ANACHACHO LIME) JARVIS, ROY R. 000507 W. R. 1 A.W.P. (OLMOS) DORADO DRILLING, INC. 157979 W. R. 2 A.W.P. (OLMOS) DORADO DRILLING, INC. 157976 W. R. 3 A.W.P. (OLMOS) DORADO DRILLING, INC. 157981 W. R. 4 A.W.P. (OLMOS) DORADO DRILLING, INC. 158331 WALDEN, R. C. 1 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000050 WALDEN, R. C. 2 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000051 WALDEN, R. C. 4 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 030770 WALDEN, R. C. 5 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 030776 WALDEN, R. C. 9 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 036690 WALDEN, R. C. 11 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 199660 WALKER, R. C. 1 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 186006 WALKER, R. C. 2 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 221162 WALKER, W. T. JR. 1 HGL (GEORGETOWN) WALKER, W. T., JR. 107516 WALL, M. BLANCHE 2 GAUSE CXL ENERGY LLC 125971 WALLACE, J. C. 2 JOURDANTON VIRTEX OPERATING COMPANY, INC. 150676 WALLACE, J. C. 5 JOURDANTON VIRTEX OPERATING COMPANY, INC. 152318 WALLACE, J. C. 9 WILDCAT VIRTEX OPERATING COMPANY, INC. 248995 WALLACE, J. C. 10 JOURDANTON VIRTEX OPERATING COMPANY, INC. 215206 WALLACE, J.C. 11 JOURDANTON VIRTEX OPERATING COMPANY, INC. 225263 WARD 127 20 KELLEY (ELLENBURGER) UPP OPERATING, LLC 253296 WARDLAW 9A VINEGARONE (STRAWN) GRIZZLY OP OF DELAWARE, LLC 162206 WARDLAW 801 WILDCAT UHC PETROLEUM CORPORATION 234000 WARDLAW "52" 1 WILDCAT CONQUISTADOR EXPL & PROD LLC 172124 WASHBURN RANCH 02 HAWKVILLE (EAGLEFORD SHALE) SEA EAGLE FORD, LLC 284391 WASHBURN RANCH 02WS WILDCAT SEA EAGLE FORD, LLC 285635 WASHBURN RANCH 01 05H HAWKVILLE (EAGLEFORD SHALE) SEA EAGLE FORD, LLC 282117 WASHBURN RANCH 01 06H HAWKVILLE (EAGLEFORD SHALE) SEA EAGLE FORD, LLC 281539 WASHBURN RANCH 01 07H HAWKVILLE (EAGLEFORD SHALE) SEA EAGLE FORD, LLC 282052 WASHBURN RANCH 01-STS B 03H HAWKVILLE (EAGLEFORD SHALE) SEA EAGLE FORD, LLC 281869 WASHBURN RANCH 01-STS B 04H HAWKVILLE (EAGLEFORD SHALE) SEA EAGLE FORD, LLC 281827 WASHBURN RANCH 02 07H HAWKVILLE (EAGLEFORD SHALE) SEA EAGLE FORD, LLC 275820 WASHBURN RANCH 02 08H HAWKVILLE (EAGLEFORD SHALE) SEA EAGLE FORD, LLC 275821 WASHBURN RANCH 02 09H HAWKVILLE (EAGLEFORD SHALE) SEA EAGLE FORD, LLC 275822 WASHBURN RANCH 02 10H HAWKVILLE (EAGLEFORD SHALE) SEA EAGLE FORD, LLC 277077 WASHBURN RANCH 02 11H HAWKVILLE (EAGLEFORD SHALE) SEA EAGLE FORD, LLC 277078 WASHBURN RANCH 02 12H HAWKVILLE (EAGLEFORD SHALE) SEA EAGLE FORD, LLC 277118 WASHBURN RANCH 02 13H HAWKVILLE (EAGLEFORD SHALE) SEA EAGLE FORD, LLC 277264 WATSON (SA1) STATE 152H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 287002 WATSON (SA2) STATE 167H LORENZO (AUSTIN CHALK) SM ENERGY COMPANY 287003 WATSON GU1 STATE 1H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 265237 WATSON GU2 STATE 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270131 WATSON GU3 STATE 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270013 WATSON GU5 5H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272465 WATSON STATE 4H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268491 WAYNE WEST RANCH "A" 1 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 099806 WAYNE WEST RANCH "A" 2 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 102697 WAYNE WEST RANCH "A" 2A MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 157218 WAYNE WEST RANCH "A" 3 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 103785


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ WAYNE WEST RANCH "A" 4 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 148510 WAYNE WEST RANCH "A" 5 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 149282 WAYNE WEST RANCH "A" 6 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 153127 WAYNE WEST RANCH "AB" 1 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 172891 WAYNE WEST RANCH "B" 1 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 103165 WAYNE WEST RANCH "B" 2 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 104730 WAYNE WEST RANCH "B" 3 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 105972 WAYNE WEST RANCH "B" 4 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 152991 WAYNE WEST RANCH "B" 5 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 107525 WAYNE WEST RANCH "B" 7 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 150571 WAYNE WEST RANCH "B" 8 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 159575 WEBB COUNTY SCHOOL LAND 504 41H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279297 WEBB COUNTY SCHOOL LAND 504 42H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 274956 WEBB COUNTY SCHOOL LAND 504 43H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279363 WEBB COUNTY SCHOOL LAND 504 44H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 274274 WEBB COUNTY SCHOOL LAND 504 45H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279087 WEBB COUNTY SCHOOL LAND 504 46H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279102 WEBB COUNTY SCHOOL LAND 504 47H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 279122 WEBB COUNTY SCHOOL LAND 504 47HR HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 279145 WEBB COUNTY SCHOOL LAND 504 60H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287695 WEBB COUNTY SCHOOL LAND 504 61H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 287700 WEBB COUNTY SCHOOL LAND 504 62H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 288115 WEBB, F. J. 1 PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 228815 WEBB, F.J. UNIT 1 1678ST PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 215220 WEBB, J.A. 15 PENA CREEK (OLMOS 2400) FLINT OAK ENERGY, LLC 152975 WEEKS A UNIT A 2H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 267325 WEEKS B UNIT C 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 271046 WEEKS C UNIT C 3H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 271122 WEEKS D UNIT E 1H HAWKVILLE (EAGLEFORD SHALE) REPSOL OIL & GAS USA, LLC 267353 WEGNER ET AL GAS UNIT 2 FASHING (EDWARDS LIME -A-) WAGNER OIL COMPANY 112236 WEGNER ET AL GAS UNIT 3 FASHING (EDWARDS LIME -A-) WAGNER OIL COMPANY 151312 WEGNER ET AL GAS UNIT 4 FASHING (EDWARDS LIME -A-) PROTEGE ENERGY III LLC 156646 WEGNER ET AL GAS UNIT 5 FASHING (EDWARDS LIME -A-) PROTEGE ENERGY III LLC 192721 WELDON SCHORP-PRICKLY PEAR UNIT 101H INDIO TANKS (PEARSALL) VENADO OPERATING COMPANY LLC 271065 WELDON SCHORP-SANDSPUR UNIT 101H INDIO TANKS (PEARSALL) VENADO OPERATING COMPANY LLC 272575 WENZEL, BENNIE -B- 2 MINERVA-ROCKDALE COTTONWOOD CREEK ENTERPRISES LLC 147012 WEST 1 DE JORIA (OLMOS) RHD HOLDINGS, L.L.C. 160658 WEST 2 DE JORIA (REWORK SERPENTINE) PROPERTY DEVELOPMENT GROUP, INC. 159608 WEST -A- 1 MASSIE (STRAWN) OXY USA WTP LP 089655 WEST -A- 2 MASSIE (STRAWN) OXY USA WTP LP 104731 WEST -D- 1 MASSIE (STRAWN) OXY USA WTP LP 099210 WEST -D- 2 MASSIE (STRAWN) OXY USA WTP LP 102469 WEST -D- 3 MASSIE (STRAWN) OXY USA WTP LP 150232 WEST -D- 4 MASSIE (STRAWN) OXY USA WTP LP 178471 WEST "C" 2 MASSIE (STRAWN) OXY USA WTP LP 103543 WEST "C" 3 MASSIE (STRAWN) OXY USA WTP LP 149598 WEST "C" 4 MASSIE (STRAWN) OXY USA WTP LP 149238 WEST "C" 5 MASSIE (STRAWN) OXY USA WTP LP 168638 WEST "C" 6 MASSIE (STRAWN) OXY USA WTP LP 168700 WEST "C" 7 MASSIE (STRAWN) OXY USA WTP LP 178470 WEST "C" 8 MASSIE (STRAWN) OXY USA WTP LP 178919


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ WEST "E" 1 MASSIE (STRAWN) HENRY PETROLEUM LLC 152294 WEST B 1 MASSIE (STRAWN) OXY USA WTP LP 093366 WEST B 2 MASSIE (STRAWN) OXY USA WTP LP 160123 WEST B 3 MASSIE (STRAWN) OXY USA WTP LP 179191 WEST, G. W. 6 LEONA RIVER (ESCONDIDO D-1) PRODUCTION RESOURCES, INC. 000347 WEST, G. W. 8 LEONA RIVER (ESCONDIDO D-1) CONTANGO RESOURCES, INC. 120088 WEST, G. W. 10 LEONA RIVER (OLMOS, SECOND) PRODUCTION RESOURCES, INC. 184782 WEST, G.W. 8 CARRIZO (ESCONDIDO 1350) CONTANGO RESOURCES, INC. 265245 WEST, WAYNE RANCH "A" 7 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 168119 WEST, WAYNE RANCH "A" 8 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 166926 WEST, WAYNE RANCH "A" 9 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 172839 WEST, WAYNE RANCH "B" 9 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 166943 WEST, WAYNE RANCH "B" 10 MASSIE (STRAWN) EPIC PERMIAN OPERATING, LLC 165571 WHARTON WEAVER UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 266149 WHEAT 3 FRANCES HILL (PENN) HENRY PETROLEUM LLC 147394 WHEAT -108- 1 FRANCES HILL (PENN) HAMMAN OIL & REFINING COMPANY 179204 WHEAT -109- 1 FRANCES HILL (PENN) HAMMAN OIL & REFINING COMPANY 181672 WHEAT -109- 1 FRANCES HILL (PENN) PETEX 065518 WHEAT "108" 2 FRANCES HILL (PENN) HENRY PETROLEUM LLC 196224 WHEELER 1 HAWKVILLE (EAGLEFORD SHALE) CHESAPEAKE OPERATING, L.L.C. 258355 WHEELER 2 DILWORTH,SOUTHEAST(EDWARDS LIME) SUTTON PRODUCING CORP. 107745 WHEELER 3 DILWORTH,SOUTHEAST(EDWARDS LIME) SUTTON PRODUCING CORP. 107331 WHEELER MCTEE 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 265373 WHEELER MCTEE 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 268144 WHEELER UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 266930 WHEELER UNIT 1 2H EAGLEVILLE (EAGLE FORD-1) BPX OPERATING COMPANY 273736 WHEELER UNIT 8 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 269137 WHEELER 2 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 267740 WHEELER 2 4H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 274048 WHEELER 3 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 266929 WHEELER 3 6H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272757 WHEELER 3 9H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 272765 WHEELER 5 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 266255 WHEELER 5 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271206 WHEELER 5 3H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270938 WHEELER 5 6H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 271232 WHEELER 7 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 267488 WHEELER, CLIFTON 1 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 119260 WHEELER, CLIFTON 1 LA JOLLA RANCH E. (SLIGO) UMMA RESOURCES, LLC 107743 WHEELER, CLIFTON 2 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 119258 WHEELER, CLIFTON 3 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 119257 WHEELER, CLIFTON 3 SAN MIGUEL CREEK (EDWARDS LIME) ENERQUEST OPERATING L.L.C. 000455 WHEELER, CLIFTON 5B A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 119259 WHEELER, CLIFTON 8B A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 119998 WHEELER, CLIFTON 9B A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 126711 WHEELER, CLIFTON ET AL 3 RHODE RANCH, W. (WILCOX 8800) UMMA RESOURCES, LLC 165025 WHEELER, MARY ANN 2 J. M. BRACKEN (7000 WILCOX) WHEELER, JOHN D. 142503 WHIPPLE A 1H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 260590 WHIPPLE A 2H HAWKVILLE (EAGLEFORD SHALE) BPX OPERATING COMPANY 270102 WHITEHEAD 7301 FOUR MILLS (ELLENBURGER) HILCORP ENERGY COMPANY 206926 WHITEHEAD 7401 FOUR MILLS (ELLENBURGER) HILCORP ENERGY COMPANY 209358


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ WHITEHEAD 7402 FOUR MILLS (ELLENBURGER) HILCORP ENERGY COMPANY 214595 WHITEHEAD 7403 FOUR MILLS (ELLENBURGER) HILCORP ENERGY COMPANY 245144 WHITEHEAD 8501 FOUR MILLS (ELLENBURGER) HILCORP ENERGY COMPANY 227623 WHITEHEAD 8502 FOUR MILLS (ELLENBURGER) HILCORP ENERGY COMPANY 228817 WHITEHEAD "A" 7905 LANGTRY (CANYON) HILCORP ENERGY COMPANY 196262 WHITEHEAD "B" 7803 LANGTRY (CANYON) HILCORP ENERGY COMPANY 184012 WHITEHEAD "B" 7804 LANGTRY (CANYON) HILCORP ENERGY COMPANY 185136 WHITEHEAD "B" 7805 LANGTRY (CANYON) HILCORP ENERGY COMPANY 185130 WHITEHEAD "C" 7703 LANGTRY (CANYON) HILCORP ENERGY COMPANY 185115 WHITEHEAD "30" 1 WILDFLOWER (STRAWN) BONFIRE OPERATING LLC 163948 WHITEHEAD "45" 1 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 177421 WHITEHEAD "45" 1 WILDFLOWER (STRAWN) BONFIRE OPERATING LLC 164283 WHITEHEAD "45" 2 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 179619 WHITEHEAD "45" 5 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 196406 WHITEHEAD "45" 6 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 199656 WHITEHEAD "45" 7 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 206411 WHITEHEAD "45" 8 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 242033 WHITEHEAD "46" 1 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 199658 WHITEHEAD "46" 2 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 205802 WHITEHEAD "46" 3 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 211611 WHITEHEAD 45 3 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 182081 WHITEHEAD 45 4 VINEGARONE, E. (PENN. SAND) HILCORP ENERGY COMPANY 181621 WHITEHEAD 85 G.U. 1 H 3ST FOUR MILLS (ELLENBURGER) HILCORP ENERGY COMPANY 233655 WHITEHEAD-WARDLAW 9401 FOUR MAJORS (ELLENBURGER) RIO-TEX, INC. 251791 WHITEHEAD, F. H. 8601 FOUR MILLS (ELLENBURGER) HILCORP ENERGY COMPANY 235233 WHITEHURST 1H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 260166 WHITEHURST 3 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 162618 WHITEHURST 5H A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 271047 WHITEHURST 7 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 213264 WHITEHURST 8 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 220091 WHITEHURST 9 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 220904 WHITEHURST 10 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 220166 WHITEHURST 15 A.W.P. (OLMOS) EL DORADO GAS & OIL, INC. 243837 WHITEHURST-J.V. 1 H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 260115 WHITEHURST-J.V. 2H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 272379 WHITEHURST-J.V. 3H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 274013 WHITEHURST-J.V. 4H HAWKVILLE (EAGLEFORD SHALE) SILVERBOW RESOURCES OPER, LLC 274011 WHITFIELD-MARTIN GU 1 SPAULDING (WILCOX SLICK) BLACKBEARD OPERATING, LLC 198809 WHITFIELD-MARTIN GU 2 SPAULDING (WILCOX SLICK) BLACKBEARD OPERATING, LLC 198806 WHITMIRE, W. A. 1 CALLIHAM, SOUTH (1100) ELBO CO., THE 000091 WHITMIRE, W. A. 3 DEBBY (GOV'T WELLS) SCHROEDER PRODUCTION LLC 148651 WHITMIRE, W. A. 6 DEBBY (GOV'T WELLS) SCHROEDER PRODUCTION LLC 149361 WHITMIRE, W. A. 7 DEBBY (GOV'T WELLS) SCHROEDER PRODUCTION LLC 151683 WHITMIRE, W.A. 8 DEBBY (GOV'T WELLS) SCHROEDER PRODUCTION LLC 160736 WHITWORTH 1H WILDCAT ATERRA EXPLORATION, LLC 273598 WHITWORTH 135 ROCKSPRINGS, W. (CANYON) THOMPSON, J. CLEO 146679 WILKERSON 1 HOG & FROG (ANACACHO) RHD HOLDINGS, L.L.C. 158938 WILLIAMS 1 ROCKY CREEK (GEORGETOWN) HOLLEY OIL COMPANY, LLC 173715 WILLIAMS, GEO. M. 2 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000055 WILLIAMS, GEO. M. 4 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000057 WILLIAMS, GEO. M. 7 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000060


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