MAR 31, 2015 RAILROAD COMMISSION OF TEXAS PAGE 1 … · 31/3/2015 · anthony et al-j.v. 1h...

MAR 31, 2015 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) VANGUARD PERMIAN, LLC 167077 A.E. PUIG - STATE (EF) 1H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY 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) CHEVRON MIDCONTINENT, L.P. 102248 ACTON, PAMELA 2 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 103401 ACTON, PAMELA 3 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 106432 ACTON, PAMELA 5 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 153541 ACTON, PAMELA 6 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 157575 ACTON, PAMELA 7 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 157893 ACTON, PAMELA 9 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 167956 ACTON, PAMELA 10H MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 169789 ADAH - CAUTHORN 10A VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 161987 ADAMS RANCH 2 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 247409 ADAMS RANCH 3 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 247596 ADAMS RANCH 4 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 269446 ADAMS RANCH 5 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 269448 ADELINE WEDDINGTON 1WD FASHING (EDWARDS LIME -A-) CRIMSON EXPLORATION OPER., INC. 270780 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 ALAMO NATIONAL BANK TRUSTEE 3 GREEN BRANCH (WILCOX 2-D) VIRTEX OPERATING COMPANY, INC. 066892 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) SWIFT ENERGY OPERATING, LLC 268123 ALDERMAN 'B' EF 1H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 267480 ALDERMAN A67 4H EAGLEVILLE (EAGLE FORD-1) LEWIS PETRO PROPERTIES, INC. 267758 ALDERMAN RANCH EF 2H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 264170 ALDERMAN RANCH EF 3H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 266288 ALDERMAN RANCH EF 4H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 267679 ALDERMAN RANCH EF 5H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 267673 ALDERMAN RANCH EF 6H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, 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 ALDRIDGE, R. C. -A- 1 FAIRFIELD FAR, INC. 072852 ALEXANDER MURPHY 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 263544 ALEXANDER, M. M. ET AL 709 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 167519 ALFORD, J. P. 1 MT. EDEN (2000) MUTUAL OIL OF AMERICA, INC. 074314 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 1232 M.F. JAKE LAWLESS (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 172804 ALKEK 4232 CHITTIM (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 181670


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ ALKEK 5232 WILDCAT NEWFIELD EXPLORATION COMPANY 214615 ALKEK UNIT "A" 1 TRAVIS HIGGINS (RODESSA) ASHTOLA EXPLORATION COMPANY,INC. 150905 ALLERKAMP 2 PEARSALL (BUDA LIME) JENEX PETROLEUM CORPORATION 111685 ALLERKAMP, ERNEST E. 3 PEARSALL (BUDA LIME) JENEX PETROLEUM CORPORATION 114490 ALTIZER 4B VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 159418 ALTIZER 5B VINEGARONE (SWANSON) VANGUARD PERMIAN, LLC 158689 ALTIZER 6B VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 159023 ALTIZER 8B VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 160619 ALTIZER "B" 9 VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 173823 ALTIZER "B" 9 VINEGARONE (SWANSON) VANGUARD PERMIAN, LLC 171090 ALTIZER "B" 10 VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 175208 ALTIZER "B" 15 VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 177215 ALTIZER "56" 1 ALTIZER (CANYON LOWER) GREAT NORTHERN ENERGY, INC 239460 ALTIZER "56" 2 ALTIZER (CANYON LOWER) GREAT NORTHERN ENERGY, INC 241706 ALTIZER 48A 1 VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 188371 ALTIZER, MINNIE LEE 1 VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 000499 ALTIZER, MINNIE LEE "B" 1 VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 073987 AMERICAN NATIONAL INS. G.U. -A- 1 HOSTETTER, NORTH (WILCOX,UPPER) BLUESTONE NATURAL RES. II, 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 ANTHONY ET AL-J.V. 1H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 263576 ANTHONY FOREST PRODUCTS 1H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 255265 ANTHONY FOREST PRODUCTS 2H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 257947 ANTHONY FOREST PRODUCTS 3H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 261043 ANTHONY FOREST PRODUCTS 4H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 261456 ANTHONY FOREST PRODUCTS 5H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 263066 ANTHONY FOREST PRODUCTS 7H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 264203 ANTHONY FOREST PRODUCTS 9H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 266725 ANTHONY FOREST PRODUCTS 10H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 267253 ANTHONY FOREST PRODUCTS 11H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 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) SWIFT ENERGY OPERATING, LLC 169629 APPLING 3 STUART CITY (EDWARDS LIME) SUTTON PRODUCING CORP. 133551 APPLING 4 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 220965 APPLING 5 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 220929 APPLING 6 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 225974 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 B 3B SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 221168 APPLING TRUST 3 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 271915 APPLING 1 1 SUN T S H (OLMOS) SWIFT ENERGY 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 APPLING 10 28 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 219485 APPLING 1435 6H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269920


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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) ARLEDGE GAS GATHERING, LP 082270 ARLEDGE 208 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 213951 ARLEDGE 308 WILL O. (STRAWN) ARLEDGE GAS GATHERING, LP 220005 ARLEDGE 408 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 250471 ARLEDGE 508 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 228809 ARLEDGE 608 WILL O. (WOLFCAMP) ARLEDGE GAS GATHERING, LP 230061 ARLEDGE UNIT 1 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 079224 ARLEDGE UNIT 2 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 240096 ARLEDGE, PHILLIP 1 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 000376


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ ARLEDGE, PHILLIP 1H WILL O. (ELLENBURGER) WILLO OIL & GAS EXPLORATION, LLC 201559 ARLEDGE, PHILLIP 2 WILL O. (STRAWN) ARLEDGE GAS GATHERING, LP 184946 ARLEDGE, PHILLIP 4 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 079446 ARLEDGE, PHILLIP 5 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 180491 ARLEDGE, PHILLIP 6 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 182475 ARLEDGE, PHILLIP 7 WILL O. (WOLFCAMP) WILLO OIL & GAS EXPLORATION, LLC 269300 ARLEDGE, PHILLIP 8 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 219173 ARLEDGE, PHILLIP 9 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 220810 ARLEDGE, PHILLIP 10 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 219880 ARLEDGE, PHILLIP 11 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 231906 ARLEDGE, PHILLIP 12 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 226485 ARLEDGE, PHILLIP 14 WILL O. (STRAWN) ARLEDGE GAS GATHERING, LP 228674 ARLEDGE, PHILLIP 15 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 229779 ARLEDGE, PHILLIP 16 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 242844 ARN EF 1H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 266277 ARN EF 2H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 266278 ARN EF 3H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 271852 ARN EF 4H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 271462 ARN EF 5H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 272253 ARN EF 6H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 270645 ARN EF 7H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 270650 ARN EF 8H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 271393 ARN EF 9H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, 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 RANCH 1H HAWKVILLE (EAGLEFORD SHALE) MURPHY EXPL. & PROD. CO. - USA 255524 ASCHE RANCH 2H HAWKVILLE (EAGLEFORD SHALE) MURPHY EXPL. & PROD. CO. - USA 267763 ATKINSON, J. W. -A- 4 LOMA ALTA (3500) DEVON ENERGY PRODUCTION CO, L.P. 178532 ATKINSON, J. W. -A- 4 LOMA ALTA (3600) DEVON ENERGY PRODUCTION CO, L.P. 170125 ATKINSON, J. W. -A- 6 LOMA ALTA (COLE 1750) DEVON ENERGY PRODUCTION CO, L.P. 151627 AUSTIN STATE A 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 266963 AVANT D 1HP INDIO TANKS (PEARSALL) EXCO OPERATING COMPANY, LP 268441 B.M.G. PARR 2 LITTLE NEW YORK DIAMOND M DRLG & EXPL CO. 134339 BAETZ 'A' EF 1H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 267676 BAETZ 'A' EF 2H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 267667 BAETZ 'A' EF 3H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 269941 BAETZ 'A' EF 4H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 271658 BAETZ 'B' EF 2H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 271093 BAETZ B EF 1H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 271072 BAETZ B EF 5H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 271385 BAETZ B EF 6H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 271440 BAETZ EF 1H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 268507 BAETZ EF 2H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 268543 BAETZ EF 3H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 268606 BAGGETT UNIT 2 PEARSALL (AUSTIN CHALK) TEXAS AMERICAN RESOURCES COMPANY 257600 BAGGETT, JOHN B. B 1 BIG WELLS (SAN MIGUEL) TEXAS AMERICAN RESOURCES COMPANY 165039 BAIN, W. S. UNIT 1 ROOS (WILCOX 7500) PEARL, BILL H. PRODUCTIONS, INC. 000437 BAKER 1 AMY-J (ESCONDIDO) PETROLYNX, INC. 062221 BAKER G 2 GENESIS (OLMOS 2080) PETROLYNX, INC. 071968 BAKER G461 GENESIS (OLMOS 1930) PETROLYNX, INC. 071970 BAKER L151 GENESIS (OLMOS 2030) PETROLYNX, INC. 071969


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BAKER L351 GENESIS (OLMOS 1930) BLACK ROCK OIL & GAS CO. INC. 072914 BAKER "4" 2 DOS ANOS (HOCKLEY) CIMAREX ENERGY CO. OF COLORADO 180828 BAKER "4" 2 GOOSE EGG (GOVERNMENT WELLS) CIMAREX ENERGY CO. OF COLORADO 162906 BAKER "4" 3 GOOSE EGG, S. (PETTUS) CIMAREX ENERGY CO. OF COLORADO 162518 BAKER "8" 1 GOOSE EGG (FRIO 2080) CIMAREX ENERGY CO. OF COLORADO 153405 BAKER "8" 3 LIZARD CREEK (PETTUS) CIMAREX ENERGY CO. OF COLORADO 157186 BAKER EST. 1 BRAZIL (WILCOX) CIMAREX ENERGY CO. OF COLORADO 000081 BAKER RANCH D501 GENESIS (OLMOS) BLACK ROCK OIL & GAS CO. INC. 074326 BAKER UNIT 1H DUBOSE (EDWARDS -A-) ENERQUEST OPERATING L.L.C. 000171 BAKER UNIT 2H DUBOSE (EDWARDS -A-) ENERQUEST OPERATING L.L.C. 199740 BAKER 1 1 JAKE HAMON (EDRINGTON SAND) ABACO OPERATING, LLC 235732 BAKER 64 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 158356 BAKER 64 1A TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 097029 BAKER 64 2 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 220738 BAKER, EARL 2WD BRAZIL (HOSTETTER) RUTHERFORD OIL CORPORATION 063045 BAKER, EARL 4 BRAZIL, SW (SLICK) RUTHERFORD OIL CORPORATION 188576 BAKER, EARL 5 BRAZIL (SLICK) RUTHERFORD OIL CORPORATION 060024 BAKER, EARL 6 BRAZIL, SW (SLICK) RUTHERFORD OIL CORPORATION 060519 BAKER, EARL 7 WISHBONE (HOUSE 3) RUTHERFORD OIL CORPORATION 205054 BAKER, EARL 8 WISHBONE (UPPER HOUSE) RUTHERFORD OIL CORPORATION 204777 BAKER, EARL 9 BRAZIL, SW. (LULING 9800) RUTHERFORD OIL CORPORATION 272858 BAKER, EARL 9 WISHBONE (UPPER HOUSE) RUTHERFORD OIL CORPORATION 209801 BAKER, EARL 10 BRAZIL, SW. (WILCOX 11300) RUTHERFORD OIL CORPORATION 214210 BAKER, EARL 10 WISHBONE (UPPER HOUSE) RUTHERFORD OIL CORPORATION 208465 BAKER, EARL 11 WISHBONE (UPPER HOUSE) RUTHERFORD OIL CORPORATION 211200 BAKER, EARL 12 WISHBONE, EAST (HOUSE 2) RUTHERFORD OIL CORPORATION 215703 BAKER, EARL 13 WISHBONE, EAST (HOUSE 1) RUTHERFORD OIL CORPORATION 216278 BAKER, MYLA 3 JAKE HAMON, EAST (WILCOX 7800) CIMAREX ENERGY CO. OF COLORADO 000332 BAKER, MYLA EST. 7 JAKE HAMON, E. (COLE SAND) CIMAREX ENERGY CO. OF COLORADO 149280 BALLARD, HORTON 9 A.W.P. (WALES) WAPITI OPERATING, LLC 212540 BANDERA ALKEK 2307 M.F. JAKE LAWLESS (GEORGETOWN) ESPADA OPERATING LLC 243338 BANDERA ALKEK 2311 BRENNAN BROSIER (RODESSA, UP.) ESPADA OPERATING LLC 158169 BARANOWSKI UNIT 1 BLAKEWAY (STRICKLAND SAND) TEXOWA, LLC 093362 BARCLAY 1132 CHITTIM, W. (RODESSA 5500) NEWFIELD EXPLORATION COMPANY 105229 BARCLAY 1621H INDIO TANKS (PEARSALL) NEWFIELD EXPLORATION COMPANY 261611 BARCLAY 1622 INDIO TANKS (PEARSALL) NEWFIELD EXPLORATION COMPANY 227495 BARKER, L & M 7B FAIRFIELD SONORA OIL COMPANY 130514 BARR 59 1H GERONIMO CREEK (ELLENBURGER) LEGACY RESERVES OPERATING LP 233815 BARTLETT 2 C BATESVILLE (SAN MIGUEL) WILLIAMSON OPERATING CO. 051716 BEASLEY STATE 1628 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 261082 BEASLEY-STATE 1629 GU 2H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 261355 BEATHARD, EARL 3 MINERVA-ROCKDALE TEJAS EXPLORATION INC. 112485 BECKMAN, M. A. 1 WHITE KITCHEN (EDWARDS LIME) VIRTEX OPERATING COMPANY, INC. 000517 BECKMAN, M. A. 2 WHITE KITCHEN (EDWARDS LIME) VIRTEX OPERATING COMPANY, INC. 133372 BECKMAN, M.A. 4 WHITE KITCHEN (EDWARDS LIME) VIRTEX OPERATING COMPANY, INC. 145461 BEINHORN 2 BRISCOE RANCH (OLMOS) CRIMSON ENERGY PTNRS III, L.L.C. 243040 BEINHORN RANCH 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 252820 BEINHORN RANCH 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 255507 BEINHORN RANCH 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 256717 BEINHORN RANCH 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260076 BEINHORN RANCH 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260190


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------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRACKEN, R. 2 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 171898 BRACKEN, R. 3 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 175781 BRACKEN, R. 4 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 175201 BRACKEN, R. 5 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 176802 BRACKEN, R. 6 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 180328 BRACKEN, R. 7 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 178933 BRACKEN, R. 8 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 180330 BRACKEN, R. 9 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 183044 BRACKEN, R. 10 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 185083 BRACKEN, R. 11 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 201799 BRACKEN, R. 13 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 201827 BRACKEN, R. 14 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 200719 BRACKEN, R. 15 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 205256 BRACKEN, R. 16 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 215738 BRACKEN, R. 17 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 231964 BRACKEN, R. 18 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 232723 BRACKEN, R. 20 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 205258 BRACKEN, R. 21 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 221211 BRACKEN, R. 22R A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 232671 BRACKEN, R. 23 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 226097 BRACKEN, R. 24 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 232726 BRACKEN, R. 25 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 233677 BRACKEN, R. 26 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 238973 BRACKEN, R. 27 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 232728 BRACKEN, R. 28 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 243054 BRACKEN, R. 29 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 243062 BRACKEN, R. 31 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 245147 BRACKEN, R. 32 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 250596 BRACKEN, R. 33H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 247469 BRACKEN, R. 34H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 254474 BRACKEN, R. 35H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 255873 BRACKEN, R. 36H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 256159 BRACKEN, R. 37H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 261044 BRACKEN, R. 38H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 261613 BRACKEN, R. A. A 3H WILDCAT TALISMAN ENERGY USA INC. 270501 BRASK DUMONT 1H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 266177 BRASK DUMONT 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268195 BRASK DUMONT 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269594 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) TALISMAN ENERGY USA INC. 260468 BRIGGS RANCH 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 271956 BRIGGS RANCH 505H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 266324 BRIGGS RANCH B 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 268344 BRIGGS RANCH C 3H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 268963 BRIGGS RANCH D 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 268962 BRIGGS RANCH E 4H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 267201 BRIGGS RANCH G 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 268345 BRIGGS RANCH I 1H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 269291 BRIGGS RANCH S 1H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 270366


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRIGGS RANCH D UNIT D 5H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 272635 BRIGGS RANCH G UNIT #1 G 4H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 272163 BRIGGS RANCH G UNIT #2 G 6H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 272102 BRISCOE 3 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 213469 BRISCOE 4 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 213470 BRISCOE 11 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 216436 BRISCOE 16 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 243066 BRISCOE 21 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 220777 BRISCOE 22 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 243059 BRISCOE 29 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 227662 BRISCOE 33 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 244586 BRISCOE 34 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 249646 BRISCOE 43 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 235889 BRISCOE 44 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 241882 BRISCOE 8035 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 237938 BRISCOE G 39H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269606 BRISCOE (5140) 1 CATARINA, SW. (SAN MIGUEL-GAS) ENERGYQUEST II, LLC 216202 BRISCOE (5140) 2023 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 225957 BRISCOE (5140) 8002 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 220342 BRISCOE (5140) 8007 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 220367 BRISCOE (5140) 8008 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 220370 BRISCOE (5140) 8009 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 221242 BRISCOE (5140) 8010 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 220888 BRISCOE (5140) 8012 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 221218 BRISCOE (5140) 8013 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 251103 BRISCOE (5140) 8016 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 223309 BRISCOE (5140) 8020 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 224554 BRISCOE (5140) 8021 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 224871 BRISCOE (5140) 8024 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 235763 BRISCOE (5140) 8025 WILDCAT ENERGYQUEST II, LLC 226651 BRISCOE (5140) 8027 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 232674 BRISCOE (5140) 8028 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 232675 BRISCOE (5140) 8030 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 232719 BRISCOE (5140) 8032 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 273158 BRISCOE (5140) 8033 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 232687 BRISCOE (5140) 8034 WILDCAT ENERGYQUEST II, LLC 233663 BRISCOE (5140) 8036 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 232741 BRISCOE (5140) 8037 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 232739 BRISCOE (5140) 8038 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 232742 BRISCOE (5140) 8042 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 241878 BRISCOE (5140) 8045 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 241896 BRISCOE (5140) 8046 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 241898 BRISCOE (5140) 8047 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 241904 BRISCOE (5140) 8050 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 247629 BRISCOE -A- 430 CATARINA, SW. (SAN MIGUEL-GAS) SM ENERGY COMPANY 077379 BRISCOE -A- 530 CATARINA, SW. (OLMOS) SM ENERGY COMPANY 215189 BRISCOE -A- 630 CATARINA, SW. (SAN MIGUEL-GAS) SM ENERGY COMPANY 078768 BRISCOE -A- 830 CATARINA, SW. (SAN MIGUEL-GAS) SM ENERGY COMPANY 080115 BRISCOE "A" 129 CATARINA, SW. (OLMOS) SM ENERGY COMPANY 064036 BRISCOE "A" 429 CATARINA, SW. (OLMOS) SM ENERGY COMPANY 227628 BRISCOE "A" 730 CATARINA, SW. (OLMOS N-3 STRAY) SM ENERGY COMPANY 191886


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE "B" 1H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 254481 BRISCOE "B" 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 258126 BRISCOE "B" 7 BRISCOE RANCH (OLMOS) CRIMSON ENERGY PTNRS III, L.L.C. 227625 BRISCOE "C" 1H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260168 BRISCOE "G" 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 254485 BRISCOE "G" 4H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 258147 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 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 GU1 10H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260440 BRISCOE C GU2 5H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260334 BRISCOE CARLA RANCH 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 257872 BRISCOE CARLA RANCH 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267967 BRISCOE CARLA RANCH 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270964 BRISCOE CARLA RANCH 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270965 BRISCOE CARLA RANCH 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 262985 BRISCOE CARLA RANCH 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263751 BRISCOE CARLA RANCH 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 261557 BRISCOE CARLA RANCH 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267973 BRISCOE CARLA RANCH 11H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266562 BRISCOE CARLA RANCH 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267958 BRISCOE CARLA RANCH 13H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263870 BRISCOE CARLA RANCH 14H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263871 BRISCOE CARLA RANCH 15H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263872 BRISCOE CARLA RANCH 16H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263323 BRISCOE CARLA RANCH 17H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263869 BRISCOE CARLA RANCH 18H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263539 BRISCOE CARLA RANCH 19H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263724 BRISCOE CARLA RANCH 20H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263725 BRISCOE CARLA RANCH 21H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263726 BRISCOE CARLA RANCH 22H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260660 BRISCOE CARLA RANCH 23H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264136 BRISCOE CARLA RANCH 24H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264178 BRISCOE CARLA RANCH 25H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264135 BRISCOE CARLA RANCH 26H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270918 BRISCOE CARLA RANCH 27H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270919 BRISCOE CARLA RANCH 28H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270971 BRISCOE CARLA RANCH 29H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271305 BRISCOE CARLA RANCH 30H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271083


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE CARLA RANCH 31H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272002 BRISCOE CARLA RANCH 32H AMMANN (BUDA) ANADARKO E&P ONSHORE LLC 271930 BRISCOE CARLA RANCH 32H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271082 BRISCOE CARLA RANCH 33H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270969 BRISCOE CARLA RANCH 34H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270970 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 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 N UNIT A 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273994 BRISCOE CATARINA N UNIT A 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273996 BRISCOE CATARINA N UNIT A 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274028 BRISCOE CATARINA N UNIT A 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274034 BRISCOE CATARINA N UNIT A 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274063 BRISCOE CATARINA N UNIT A 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274091 BRISCOE CATARINA N UNIT A 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274291 BRISCOE CATARINA N UNIT A 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274304 BRISCOE CATARINA N UNIT A 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274310 BRISCOE CATARINA N UNIT A 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274465 BRISCOE CATARINA NORTH 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 259353 BRISCOE CATARINA NORTH 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 265379 BRISCOE CATARINA NORTH 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 265382 BRISCOE CATARINA NORTH 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260658 BRISCOE CATARINA NORTH 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260504 BRISCOE CATARINA NORTH 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260505 BRISCOE CATARINA NORTH 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260879 BRISCOE CATARINA NORTH 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260880 BRISCOE CATARINA NORTH 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264028 BRISCOE CATARINA NORTH 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263315 BRISCOE CATARINA NORTH 11H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263316 BRISCOE CATARINA NORTH 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263867 BRISCOE CATARINA NORTH 13H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264008 BRISCOE CATARINA NORTH 14H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264009 BRISCOE CATARINA NORTH 15H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264010 BRISCOE CATARINA NORTH 16H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263540 BRISCOE CATARINA NORTH 17H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264017 BRISCOE CATARINA NORTH 18H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264018 BRISCOE CATARINA NORTH 19H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270642 BRISCOE CATARINA NORTH 20H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266601 BRISCOE CATARINA NORTH 21H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266602 BRISCOE CATARINA NORTH 22H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266607 BRISCOE CATARINA NORTH 23H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266596


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE CATARINA NORTH 24H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266598 BRISCOE CATARINA NORTH 25H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266600 BRISCOE CATARINA NORTH 26H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266585 BRISCOE CATARINA NORTH 27H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266587 BRISCOE CATARINA NORTH 28H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266588 BRISCOE CATARINA NORTH 29H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266583 BRISCOE CATARINA NORTH 30H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266425 BRISCOE CATARINA NORTH 31H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266429 BRISCOE CATARINA NORTH 32H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270800 BRISCOE CATARINA NORTH 33H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270651 BRISCOE CATARINA NORTH 34H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270653 BRISCOE CATARINA NORTH 35H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266899 BRISCOE CATARINA NORTH 36H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266901 BRISCOE CATARINA NORTH 37H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266906 BRISCOE CATARINA NORTH 38H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266907 BRISCOE CATARINA NORTH 39H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266908 BRISCOE CATARINA NORTH 40H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266910 BRISCOE CATARINA NORTH 41H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266720 BRISCOE CATARINA NORTH 42H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266722 BRISCOE CATARINA NORTH 43H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266723 BRISCOE CATARINA NORTH 44H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266938 BRISCOE CATARINA NORTH 45H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266939 BRISCOE CATARINA NORTH 46H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266940 BRISCOE CATARINA NORTH 47H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267120 BRISCOE CATARINA NORTH 48H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267122 BRISCOE CATARINA NORTH 49H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267133 BRISCOE CATARINA NORTH 50H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268330 BRISCOE CATARINA NORTH 51H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268293 BRISCOE CATARINA NORTH 52H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268294 BRISCOE CATARINA NORTH 53H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268295 BRISCOE CATARINA NORTH 54H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268297 BRISCOE CATARINA NORTH 55H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268298 BRISCOE CATARINA NORTH 56H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268456 BRISCOE CATARINA NORTH 57H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268457 BRISCOE CATARINA NORTH 58H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268458 BRISCOE CATARINA NORTH 59H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268481 BRISCOE CATARINA NORTH 60H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268482 BRISCOE CATARINA NORTH 61H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268483 BRISCOE CATARINA NORTH 62H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270625 BRISCOE CATARINA NORTH 63H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270632 BRISCOE CATARINA NORTH 64H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270678 BRISCOE CATARINA NORTH 65H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271036 BRISCOE CATARINA NORTH 66H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270545 BRISCOE CATARINA NORTH 67H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270544 BRISCOE CATARINA NORTH 68H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270591 BRISCOE CATARINA NORTH 69H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270595 BRISCOE CATARINA NORTH 70H AMMANN (BUDA) ANADARKO E&P ONSHORE LLC 275922 BRISCOE CATARINA NORTH 70H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270617 BRISCOE CATARINA NORTH 71H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270646 BRISCOE CATARINA NORTH 72H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270624 BRISCOE CATARINA NORTH 73H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270553


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE CATARINA NORTH 74H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270592 BRISCOE CATARINA NORTH 75H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270593 BRISCOE CATARINA NORTH 76H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270771 BRISCOE CATARINA NORTH 77H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270781 BRISCOE CATARINA NORTH 78H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271185 BRISCOE CATARINA NORTH 79H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271188 BRISCOE CATARINA NORTH 80H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270783 BRISCOE CATARINA NORTH 81H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270923 BRISCOE CATARINA NORTH 82H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271108 BRISCOE CATARINA NORTH 83H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270782 BRISCOE CATARINA NORTH 84H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273300 BRISCOE CATARINA NORTH 85H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273240 BRISCOE CATARINA NORTH 86H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273265 BRISCOE CATARINA NORTH 87H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273048 BRISCOE CATARINA NORTH 88H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273144 BRISCOE CATARINA NORTH 89H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273145 BRISCOE CATARINA RANCH 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 253227 BRISCOE CATARINA RANCH 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 254467 BRISCOE CATARINA RANCH 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 255511 BRISCOE CATARINA RANCH 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260069 BRISCOE CATARINA RANCH 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271430 BRISCOE CATARINA RANCH 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260121 BRISCOE CATARINA RANCH 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260122 BRISCOE CATARINA RANCH 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260123 BRISCOE CATARINA RANCH 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 257950 BRISCOE CATARINA RANCH 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 257881 BRISCOE CATARINA RANCH 11H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267264 BRISCOE CATARINA RANCH 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267266 BRISCOE CATARINA RANCH 13H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 257699 BRISCOE CATARINA RANCH 14H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267278 BRISCOE CATARINA RANCH 15H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267388 BRISCOE CATARINA RANCH 16H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260413 BRISCOE CATARINA RANCH 17H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264027 BRISCOE CATARINA RANCH 18H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263654 BRISCOE CATARINA RANCH 19H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260266 BRISCOE CATARINA RANCH 20H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260268 BRISCOE CATARINA RANCH 21H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260269 BRISCOE CATARINA RANCH 22H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267112 BRISCOE CATARINA RANCH 23H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267118 BRISCOE CATARINA RANCH 24H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267119 BRISCOE CATARINA RANCH 25H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266945 BRISCOE CATARINA RANCH 26H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266944 BRISCOE CATARINA RANCH 27H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266946 BRISCOE CATARINA RANCH 28H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267390 BRISCOE CATARINA RANCH 29H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267391 BRISCOE CATARINA RANCH 30H INDIO TANKS (PEARSALL) ANADARKO E&P ONSHORE LLC 264609 BRISCOE CATARINA RANCH 31H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267392 BRISCOE CATARINA RANCH 32H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267393 BRISCOE CATARINA RANCH 33H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267394 BRISCOE CATARINA RANCH 34H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267556 BRISCOE CATARINA RANCH 35H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267842


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE CATARINA RANCH 36H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267890 BRISCOE CATARINA RANCH 37H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267898 BRISCOE CATARINA RANCH 38H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267919 BRISCOE CATARINA RANCH 39H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267905 BRISCOE CATARINA RANCH 40H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268318 BRISCOE CATARINA RANCH 41H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268319 BRISCOE CATARINA RANCH 42H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268331 BRISCOE CATARINA RANCH 43H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268320 BRISCOE CATARINA RANCH 44H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268332 BRISCOE CATARINA RANCH 45H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268334 BRISCOE CATARINA RANCH 46H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269470 BRISCOE CATARINA RANCH 47H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269486 BRISCOE CATARINA RANCH 48H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269488 BRISCOE CATARINA RANCH 49H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269527 BRISCOE CATARINA RANCH 50H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269528 BRISCOE CATARINA RANCH 51H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269181 BRISCOE CATARINA RANCH 52H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269319 BRISCOE CATARINA RANCH 53H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269379 BRISCOE CATARINA RANCH 54H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269388 BRISCOE CATARINA RANCH 55H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269385 BRISCOE CATARINA RANCH 56H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270884 BRISCOE CATARINA RANCH 57H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270887 BRISCOE CATARINA RANCH 58H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270888 BRISCOE CATARINA RANCH 59H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271010 BRISCOE CATARINA RANCH 60H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270948 BRISCOE CATARINA RANCH 61H AMMANN (BUDA) ANADARKO E&P ONSHORE LLC 271864 BRISCOE CATARINA RANCH 61H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270949 BRISCOE CATARINA RANCH 62H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270951 BRISCOE CATARINA RANCH 63H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270978 BRISCOE CATARINA RANCH 64H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271152 BRISCOE CATARINA RANCH 65H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271357 BRISCOE CATARINA RANCH 66H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271274 BRISCOE CATARINA RANCH 67H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271319 BRISCOE CATARINA RANCH 68H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271275 BRISCOE CATARINA RANCH 69H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271320 BRISCOE CATARINA RANCH 70H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271276 BRISCOE CATARINA RANCH 71H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271395 BRISCOE CATARINA RANCH 72H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271396 BRISCOE CATARINA RANCH 73H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271397 BRISCOE CATARINA RANCH 74H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271429 BRISCOE CATARINA RANCH 75H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271504 BRISCOE CATARINA RANCH 76H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271446 BRISCOE CATARINA RANCH 77H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271570 BRISCOE CATARINA RANCH 78H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271572 BRISCOE CATARINA RANCH 79H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271574 BRISCOE CATARINA RANCH 80H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271586 BRISCOE CATARINA RANCH 81H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271590 BRISCOE CATARINA RANCH 82H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271591 BRISCOE CATARINA RANCH 83H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271592 BRISCOE CATARINA RANCH 84H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271593 BRISCOE CATARINA RANCH 85H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271578


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE CATARINA RANCH 86H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271579 BRISCOE CATARINA RANCH 87H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271580 BRISCOE CATARINA RANCH 88H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271581 BRISCOE CATARINA RANCH 89H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271582 BRISCOE CATARINA RANCH 90H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272161 BRISCOE CATARINA RANCH 91H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272162 BRISCOE CATARINA RANCH 92H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272164 BRISCOE CATARINA RANCH 93H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272166 BRISCOE CATARINA RANCH 94H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272111 BRISCOE CATARINA RANCH 95H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272196 BRISCOE CATARINA RANCH 96H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272197 BRISCOE CATARINA RANCH 97H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272198 BRISCOE CATARINA RANCH 98H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272123 BRISCOE CATARINA RANCH 99H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272129 BRISCOE CATARINA RANCH 100H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272193 BRISCOE CATARINA RANCH 101H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272194 BRISCOE CATARINA RANCH 102H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272199 BRISCOE CATARINA RANCH 103H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272203 BRISCOE CATARINA RANCH 104H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272201 BRISCOE CATARINA RANCH 105H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272205 BRISCOE CATARINA RANCH 106H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272277 BRISCOE CATARINA RANCH 107H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272292 BRISCOE CATARINA RANCH 108H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271277 BRISCOE CATARINA SOUTH 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260372 BRISCOE CATARINA SOUTH 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260373 BRISCOE CATARINA SOUTH 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260374 BRISCOE CATARINA SOUTH 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260368 BRISCOE CATARINA SOUTH 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260366 BRISCOE CATARINA SOUTH 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260367 BRISCOE CATARINA SOUTH 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263727 BRISCOE CATARINA SOUTH 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263878 BRISCOE CATARINA SOUTH 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263881 BRISCOE CATARINA SOUTH 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268186 BRISCOE CATARINA SOUTH 11H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268188 BRISCOE CATARINA SOUTH 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268189 BRISCOE CATARINA SOUTH 13H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268289 BRISCOE CATARINA SOUTH 14H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268291 BRISCOE CATARINA SOUTH 15H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268292 BRISCOE CATARINA SOUTH 16H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271722 BRISCOE CATARINA SOUTH 17H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271712 BRISCOE CATARINA SOUTH 18H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271711 BRISCOE CATARINA SOUTH 19H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271710 BRISCOE CATARINA SOUTH 20H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271750 BRISCOE CATARINA SOUTH 21H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271751 BRISCOE CATARINA SOUTH 22H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271752 BRISCOE CATARINA SOUTH 23H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271771 BRISCOE CATARINA SOUTH 24H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271774 BRISCOE CATARINA SOUTH 25H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271775 BRISCOE CATARINA SOUTH 26H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271785 BRISCOE CATARINA SOUTH 27H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271776 BRISCOE CATARINA SOUTH 28H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272881


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE CATARINA SOUTH 29H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272873 BRISCOE CATARINA SOUTH 30H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272912 BRISCOE CATARINA SOUTH 31H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272911 BRISCOE CATARINA SOUTH 32H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272898 BRISCOE CATARINA SOUTH 33H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272803 BRISCOE CATARINA SOUTH 34H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272528 BRISCOE CATARINA SOUTH 35H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272540 BRISCOE CATARINA SOUTH 36H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272529 BRISCOE CATARINA SOUTH 37H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272531 BRISCOE CATARINA SOUTH 38H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272533 BRISCOE CATARINA SOUTH 39H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272727 BRISCOE CATARINA SOUTH 40H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272859 BRISCOE CATARINA SOUTH 41H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272860 BRISCOE CATARINA SOUTH 42H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272867 BRISCOE CATARINA SOUTH 43H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272868 BRISCOE CATARINA SOUTH 44H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272869 BRISCOE CATARINA SOUTH 45H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272877 BRISCOE CATARINA SOUTH 46H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272879 BRISCOE CATARINA SOUTH 47H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272916 BRISCOE CATARINA SOUTH 48H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272918 BRISCOE CATARINA SOUTH 49H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272920 BRISCOE CATARINA SOUTH 50H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272926 BRISCOE CATARINA SOUTH 51H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272987 BRISCOE CATARINA SOUTH 52H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272990 BRISCOE CATARINA SOUTH 53H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273040 BRISCOE CATARINA SOUTH 54H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273047 BRISCOE CATARINA SOUTH 55H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273067 BRISCOE CATARINA SOUTH 56H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273042 BRISCOE CATARINA SOUTH 57H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273063 BRISCOE CATARINA SOUTH 58H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273192 BRISCOE CATARINA SOUTH 59H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273231 BRISCOE CATARINA SOUTH 60H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273233 BRISCOE CATARINA WEST 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 253223 BRISCOE CATARINA WEST 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 253224 BRISCOE CATARINA WEST 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 255483 BRISCOE CATARINA WEST 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 256010 BRISCOE CATARINA WEST 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 256391 BRISCOE CATARINA WEST 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 256197 BRISCOE CATARINA WEST 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260189 BRISCOE CATARINA WEST 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260871 BRISCOE CATARINA WEST 10H INDIO TANKS (PEARSALL) ANADARKO E&P ONSHORE LLC 258538 BRISCOE CATARINA WEST 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260354 BRISCOE CATARINA WEST 13H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260364 BRISCOE CATARINA WEST 14H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260365 BRISCOE CATARINA WEST 15H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260409 BRISCOE CATARINA WEST 16H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260410 BRISCOE CATARINA WEST 17H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260411 BRISCOE CATARINA WEST 18H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 265560 BRISCOE CATARINA WEST 19H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 265564 BRISCOE CATARINA WEST 20H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 265583 BRISCOE CATARINA WEST 21H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266565


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE CATARINA WEST 22H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266566 BRISCOE CATARINA WEST 23H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266569 BRISCOE CATARINA WEST 24H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267548 BRISCOE CATARINA WEST 25H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267550 BRISCOE CATARINA WEST 26H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267551 BRISCOE CATARINA WEST 27H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267134 BRISCOE CATARINA WEST 28H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267141 BRISCOE CATARINA WEST 29H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267147 BRISCOE CATARINA WEST 30H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269469 BRISCOE CATARINA WEST 31H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269474 BRISCOE CATARINA WEST 32H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269491 BRISCOE CATARINA WEST 33H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269495 BRISCOE CATARINA WEST 34H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269512 BRISCOE CATARINA WEST 35H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269513 BRISCOE CATARINA WEST 36H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269305 BRISCOE CATARINA WEST 37H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269306 BRISCOE CATARINA WEST 38H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269307 BRISCOE CATARINA WEST 39H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269303 BRISCOE CATARINA WEST 40H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269313 BRISCOE CATARINA WEST 41H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269317 BRISCOE CATARINA WEST 42H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269530 BRISCOE CATARINA WEST 43H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269510 BRISCOE CATARINA WEST 44H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269533 BRISCOE CATARINA WEST 45H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269535 BRISCOE CATARINA WEST 46H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269536 BRISCOE CATARINA WEST 47H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269539 BRISCOE CATARINA WEST 48H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269496 BRISCOE CATARINA WEST 49H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269497 BRISCOE CATARINA WEST 50H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269509 BRISCOE CATARINA WEST 51H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273049 BRISCOE CATARINA WEST 52H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273463 BRISCOE CATARINA WEST 53H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273464 BRISCOE CATARINA WEST 54H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273456 BRISCOE CATARINA WEST 55H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273457 BRISCOE CATARINA WEST 56H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273586 BRISCOE CATARINA WEST 57H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273974 BRISCOE CATARINA WEST 58H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273827 BRISCOE CATARINA WEST 59H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273807 BRISCOE CATARINA WEST 60H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273821 BRISCOE CATARINA WEST 61H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273823 BRISCOE CATARINA WEST 62H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273629 BRISCOE CATARINA WEST 63H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273628 BRISCOE CATARINA WEST 64H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273630 BRISCOE CATARINA WEST 65H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273639 BRISCOE CATARINA WEST 66H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273617 BRISCOE CATARINA WEST 67H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273619 BRISCOE CATARINA WEST 68H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273797 BRISCOE CATARINA WEST 69H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273798 BRISCOE CATARINA WEST 70H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273806 BRISCOE CATARINA WEST 71H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273890 BRISCOE CATARINA WEST 72H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273891


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE CATARINA WEST 73H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273894 BRISCOE CATARINA WEST 74H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273451 BRISCOE CATARINA WEST 75H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273977 BRISCOE CATARINA WEST 76H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273993 BRISCOE CATARINA WEST 77H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274023 BRISCOE CATARINA WEST 78H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274097 BRISCOE CATARINA WEST 79H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273917 BRISCOE CATARINA WEST 80H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273916 BRISCOE CATARINA WEST 81H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273918 BRISCOE CATARINA WEST 82H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273929 BRISCOE CHIP EAST RANCH 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260221 BRISCOE CHIP EAST RANCH 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260223 BRISCOE CHIP EAST RANCH 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260226 BRISCOE CHIP EAST RANCH 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260881 BRISCOE CHIP EAST RANCH 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260882 BRISCOE CHIP EAST RANCH 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260883 BRISCOE CHIP EAST RANCH 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 265164 BRISCOE CHIP EAST RANCH 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 265166 BRISCOE CHIP EAST RANCH 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264957 BRISCOE CHIP EAST RANCH 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264958 BRISCOE CHIP EAST RANCH 11H AMMANN (BUDA) ANADARKO E&P ONSHORE LLC 272509 BRISCOE CHIP EAST RANCH 11H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267937 BRISCOE CHIP EAST RANCH 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268064 BRISCOE CHIP EAST RANCH 13H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268067 BRISCOE CHIP EAST RANCH 14H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264959 BRISCOE CHIP EAST RANCH 15H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268069 BRISCOE CHIP EAST RANCH 16H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268072 BRISCOE CHIP EAST RANCH 17H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268073 BRISCOE CHIP EAST RANCH 18H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268735 BRISCOE CHIP EAST RANCH 19H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268736 BRISCOE CHIP EAST RANCH 20H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268738 BRISCOE CHIP EAST RANCH 21H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268741 BRISCOE CHIP EAST RANCH 22H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268742 BRISCOE CHIP EAST RANCH 23H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268745 BRISCOE CHIP EAST RANCH 24H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268986 BRISCOE CHIP EAST RANCH 25H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268990 BRISCOE CHIP EAST RANCH 26H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268994 BRISCOE CHIP EAST RANCH 27H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274413 BRISCOE CHIP EAST RANCH 28HR BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274463 BRISCOE CHIP EAST RANCH 29H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275918 BRISCOE CHIP EAST RANCH 30H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275919 BRISCOE CHIP EAST RANCH 31H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275838 BRISCOE CHIP EAST RANCH 32H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275839 BRISCOE CHIP EAST RANCH 33H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275894 BRISCOE CHIP EAST RANCH 34H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275979 BRISCOE CHIP EAST UNIT B 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274100 BRISCOE CHIP EAST UNIT B 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274101 BRISCOE CHIP EAST UNIT B 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274118 BRISCOE CHIP EAST UNIT B 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274119 BRISCOE CHIP EAST UNIT B 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274123 BRISCOE CHIP EAST UNIT B 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274130


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE CHUPADERA RANCH 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263437 BRISCOE CHUPADERA RANCH 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264020 BRISCOE CHUPADERA RANCH 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264300 BRISCOE CHUPADERA RANCH 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263438 BRISCOE CHUPADERA RANCH 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263439 BRISCOE CHUPADERA RANCH 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263241 BRISCOE CHUPADERA RANCH 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263284 BRISCOE CHUPADERA RANCH 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264022 BRISCOE CHUPADERA RANCH 11H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264038 BRISCOE CHUPADERA RANCH 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271052 BRISCOE CHUPADERA RANCH 13H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271073 BRISCOE CHUPADERA RANCH 14H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271074 BRISCOE CHUPADERA RANCH 15H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271075 BRISCOE CHUPADERA RANCH 16H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271076 BRISCOE CHUPADERA RANCH 17H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271080 BRISCOE CHUPADERA RANCH 18H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271298 BRISCOE CHUPADERA RANCH 19H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271299 BRISCOE CHUPADERA RANCH 20H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271300 BRISCOE CHUPADERA RANCH 21H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271303 BRISCOE CHUPADERA RANCH 22H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271304 BRISCOE CHUPADERA RANCH 23H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271306 BRISCOE CHUPADERA RANCH 24H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275482 BRISCOE CHUPADERA RANCH 25H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275477 BRISCOE CHUPADERA RANCH 26H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275478 BRISCOE CHUPADERA RANCH 27H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275479 BRISCOE CHUPADERA RANCH 28H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275481 BRISCOE CHUPADERA RANCH 29H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275317 BRISCOE CHUPADERA RANCH 30H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275306 BRISCOE CHUPADERA RANCH 31HR BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275307 BRISCOE CHUPADERA RANCH 32H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275303 BRISCOE CHUPADERA RANCH 33H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275304 BRISCOE CHUPADERA RANCH 34H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275058 BRISCOE CHUPADERA RANCH 35H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275059 BRISCOE CHUPADERA RANCH 36H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275063 BRISCOE CHUPADERA RANCH 37H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275064 BRISCOE CHUPADERA RANCH 38H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275069 BRISCOE CHUPADERA RANCH 39H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275072 BRISCOE CHUPADERA RANCH 40H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275089 BRISCOE CHUPADERA RANCH 41H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275101 BRISCOE CHUPADERA RANCH 42H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275103 BRISCOE CHUPADERA RANCH 43H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275106 BRISCOE COCHINA EAST RANCH 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 254475 BRISCOE COCHINA EAST RANCH 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 256492 BRISCOE COCHINA EAST RANCH 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260886 BRISCOE COCHINA EAST RANCH 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 261452 BRISCOE COCHINA EAST RANCH 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 261440 BRISCOE COCHINA EAST RANCH 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264835 BRISCOE COCHINA EAST RANCH 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264299 BRISCOE COCHINA EAST RANCH 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264301 BRISCOE COCHINA EAST RANCH 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 261451 BRISCOE COCHINA EAST RANCH 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 261453


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE COCHINA EAST RANCH 11H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266348 BRISCOE COCHINA EAST RANCH 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264179 BRISCOE COCHINA EAST RANCH 13H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264802 BRISCOE COCHINA EAST RANCH 16H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263648 BRISCOE COCHINA EAST RANCH 17H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264138 BRISCOE COCHINA EAST RANCH 18H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264114 BRISCOE COCHINA EAST RANCH 19H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270962 BRISCOE COCHINA EAST RANCH 20H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271281 BRISCOE COCHINA EAST RANCH 21H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264608 BRISCOE COCHINA EAST RANCH 22H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271640 BRISCOE COCHINA EAST RANCH 23H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271641 BRISCOE COCHINA EAST RANCH 24H AMMANN (BUDA) ANADARKO E&P ONSHORE LLC 273518 BRISCOE COCHINA EAST RANCH 24H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270955 BRISCOE COCHINA EAST RANCH 25H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270963 BRISCOE COCHINA EAST RANCH 26H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271283 BRISCOE COCHINA EAST RANCH 27H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271280 BRISCOE COCHINA EAST RANCH 28H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271642 BRISCOE COCHINA EAST RANCH 29H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271645 BRISCOE COCHINA EAST RANCH 30H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271646 BRISCOE COCHINA EAST RANCH 31H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263740 BRISCOE COCHINA EAST RANCH 32H WILDCAT ANADARKO E&P ONSHORE LLC 264125 BRISCOE COCHINA EAST RANCH 32H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264120 BRISCOE COCHINA EAST RANCH 34H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271648 BRISCOE COCHINA EAST RANCH 35H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271652 BRISCOE COCHINA EAST RANCH 36H AMMANN (BUDA) ANADARKO E&P ONSHORE LLC 273444 BRISCOE COCHINA EAST RANCH 36H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271653 BRISCOE COCHINA EAST RANCH 37H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271654 BRISCOE COCHINA EAST RANCH 38H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271655 BRISCOE COCHINA EAST RANCH 39H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271656 BRISCOE COCHINA EAST RANCH 40H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274144 BRISCOE COCHINA EAST RANCH 41H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274154 BRISCOE COCHINA EAST RANCH 42H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274200 BRISCOE COCHINA EAST RANCH 43H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274205 BRISCOE COCHINA EAST RANCH 44H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274557 BRISCOE COCHINA EAST RANCH 45H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274420 BRISCOE COCHINA EAST RANCH 46H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274648 BRISCOE COCHINA EAST RANCH 47H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274649 BRISCOE COCHINA EAST RANCH 48H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274650 BRISCOE COCHINA EAST RANCH 49H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274651 BRISCOE COCHINA EAST RANCH 50H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275946 BRISCOE COCHINA EAST RANCH 51H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274736 BRISCOE COCHINA EAST RANCH 52H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274758 BRISCOE COCHINA EAST RANCH 53H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275877 BRISCOE COCHINA EAST RANCH 54H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274779 BRISCOE COCHINA EAST RANCH 55H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274815 BRISCOE COCHINA EAST RANCH 56H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274819 BRISCOE COCHINA EAST RANCH 57H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275816 BRISCOE COCHINA EAST RANCH 58H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275815 BRISCOE COCHINA EAST RANCH 59H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 276024 BRISCOE COCHINA EAST RANCH 60H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 276023 BRISCOE COCHINA EAST RANCH 61H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268488


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE COCHINA EAST RANCH 62H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268455 BRISCOE COCHINA EAST RANCH 63H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268363 BRISCOE COCHINA EAST RANCH 64H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268650 BRISCOE COCHINA EAST RANCH 65H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268824 BRISCOE COCHINA EAST RANCH 66H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268823 BRISCOE COCHINA EAST RANCH 67H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268697 BRISCOE COCHINA EAST RANCH 68H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268679 BRISCOE COCHINA EAST RANCH 69H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268680 BRISCOE COCHINA EAST RANCH 70H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268681 BRISCOE COCHINA EAST RANCH 71H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269279 BRISCOE COCHINA EAST RANCH 72H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268885 BRISCOE COCHINA EAST RANCH 73H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 276037 BRISCOE COCHINA EAST RANCH 76H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275920 BRISCOE COCHINA STATE UNIT A 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260501 BRISCOE COCHINA STATE UNIT B 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 261330 BRISCOE COCHINA WEST RANCH 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264834 BRISCOE COCHINA WEST RANCH 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 265243 BRISCOE COCHINA WEST RANCH 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 265386 BRISCOE COCHINA WEST RANCH 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264097 BRISCOE COCHINA WEST RANCH 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264703 BRISCOE COCHINA WEST RANCH 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 265132 BRISCOE COCHINA WEST RANCH 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267620 BRISCOE COCHINA WEST RANCH 16H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 265137 BRISCOE COCHINA WEST RANCH 17H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 265588 BRISCOE COCHINA WEST RANCH 18H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266349 BRISCOE COCHINA WEST RANCH 19H AMMANN (BUDA) ANADARKO E&P ONSHORE LLC 269948 BRISCOE COCHINA WEST RANCH 19H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269931 BRISCOE COCHINA WEST RANCH 21H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269336 BRISCOE COCHINA WEST RANCH 22H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268840 BRISCOE COCHINA WEST RANCH 23H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268835 BRISCOE COCHINA WEST RANCH 25H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268911 BRISCOE COCHINA WEST RANCH 26H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269330 BRISCOE COCHINA WEST RANCH 27H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270193 BRISCOE COCHINA WEST RANCH 28H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269524 BRISCOE COCHINA WEST RANCH 29H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269526 BRISCOE COCHINA WEST RANCH 39H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268453 BRISCOE COCHINA WEST RANCH 40H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268496 BRISCOE COCHINA WEST RANCH 41H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268498 BRISCOE COCHINA WEST RANCH 42H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268302 BRISCOE COCHINA WEST RANCH 43H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268303 BRISCOE COCHINA WEST RANCH 44H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268301 BRISCOE COCHINA WEST RANCH 52H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272534 BRISCOE COCHINA WEST RANCH 53H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272463 BRISCOE COCHINA WEST RANCH 54H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274739 BRISCOE COCHINA WEST RANCH 55H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272409 BRISCOE COCHINA WEST RANCH 56H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272414 BRISCOE COCHINA WEST RANCH 57H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272338 BRISCOE EAST DELGADO UNIT A 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273002 BRISCOE EAST DELGADO UNIT A 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273179 BRISCOE EAST DELGADO UNIT A 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273167 BRISCOE EAST DELGADO UNIT A 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273171


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE EAST DELGADO UNIT A 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273177 BRISCOE EAST DELGADO UNIT A 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273172 BRISCOE EAST DELGADO UNIT A 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273334 BRISCOE EAST DELGADO UNIT A 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273345 BRISCOE EAST DELGADO UNIT A 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273347 BRISCOE EAST DELGADO UNIT A 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273588 BRISCOE EAST DELGADO UNIT A 11H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273594 BRISCOE EAST DELGADO UNIT A 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273596 BRISCOE EAST DELGADO UNIT A 13H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273597 BRISCOE EAST DELGADO UNIT A 14H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273621 BRISCOE EAST DELGADO UNIT A 15H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273657 BRISCOE ECKHARDT-SWONKE UNIT 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271110 BRISCOE ECKHARDT-SWONKE UNIT 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271111 BRISCOE ECKHARDT-SWONKE UNIT 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271116 BRISCOE ECKHARDT-SWONKE UNIT 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271141 BRISCOE ECKHARDT-SWONKE UNIT 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271142 BRISCOE ECKHARDT-SWONKE UNIT 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271143 BRISCOE ECKHARDT-SWONKE UNIT 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271144 BRISCOE FRIDAY RANCH 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260091 BRISCOE FRIDAY RANCH 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260094 BRISCOE FRIDAY RANCH 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260101 BRISCOE FRIDAY RANCH 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260130 BRISCOE FRIDAY RANCH 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260476 BRISCOE FRIDAY RANCH 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260479 BRISCOE FRIDAY RANCH 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 262325 BRISCOE FRIDAY RANCH 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260870 BRISCOE FRIDAY RANCH 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260271 BRISCOE FRIDAY RANCH 18H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264329 BRISCOE FRIDAY RANCH 19H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266443 BRISCOE FRIDAY RANCH 20H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266449 BRISCOE FRIDAY RANCH 21H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266564 BRISCOE FRIDAY RANCH 22H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266448 BRISCOE FRIDAY RANCH 23H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271665 BRISCOE FRIDAY RANCH 24H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271666 BRISCOE FRIDAY RANCH 25H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269280 BRISCOE FRIDAY RANCH 26H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269455 BRISCOE FRIDAY RANCH 27H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270091 BRISCOE FRIDAY RANCH 28H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270534 BRISCOE FRIDAY RANCH 29H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270536 BRISCOE FRIDAY RANCH 30H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270199 BRISCOE FRIDAY RANCH 31H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270538 BRISCOE FRIDAY RANCH 32H AMMANN (BUDA) ANADARKO E&P ONSHORE LLC 272827 BRISCOE FRIDAY RANCH 32H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270202 BRISCOE FRIDAY RANCH 33H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269643 BRISCOE FRIDAY RANCH 34H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270539 BRISCOE FRIDAY RANCH 35H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271667 BRISCOE FRIDAY RANCH 36H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271668 BRISCOE FRIDAY RANCH 37H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271676 BRISCOE FRIDAY RANCH 38H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271677 BRISCOE FRIDAY RANCH 39H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271678 BRISCOE FRIDAY RANCH 40H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271679


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE FRIDAY RANCH 44H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274142 BRISCOE FRIDAY RANCH UNIT A 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274148 BRISCOE FRIDAY RANCH UNIT A 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274468 BRISCOE FRIDAY RANCH UNIT B 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266778 BRISCOE FRIDAY RANCH UNIT B 11H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266592 BRISCOE FRIDAY RANCH UNIT B 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266593 BRISCOE FRIDAY RANCH UNIT B 13H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266594 BRISCOE FRIDAY RANCH UNIT B 14H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267344 BRISCOE FRIDAY RANCH UNIT B 15H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267346 BRISCOE FRIDAY RANCH UNIT B 16H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267348 BRISCOE FRIDAY RANCH UNIT B 17H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267386 BRISCOE FRIDAY SMITH 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266340 BRISCOE FRIDAY SMITH 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266341 BRISCOE FRIDAY SMITH 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266342 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 55H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272085 BRISCOE G GU 1 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 255731 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 GU12 STATE 17H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270155 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


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE G GU4 STATE 18H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 265195 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 BRISCOE G GU8 STATE 22H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268599 BRISCOE G GU9 STATE 41H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270153 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 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 R 1H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260116 BRISCOE R 3H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260186 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 GU1 2H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 260584 BRISCOE R GU3 19H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 274565 BRISCOE R GU3 20H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273258 BRISCOE RANCH 1 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 057980 BRISCOE RANCH 2 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 058299 BRISCOE RANCH 4 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 058985 BRISCOE RANCH 5 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 058856 BRISCOE RANCH 6 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 060134 BRISCOE RANCH 7 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 060431 BRISCOE RANCH 8 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 060455 BRISCOE RANCH 11 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 064991 BRISCOE RANCH 13 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 066319 BRISCOE RANCH 15 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 067553 BRISCOE RANCH 16 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 071261 BRISCOE RANCH 17 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 068477 BRISCOE RANCH 18 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 077756 BRISCOE RANCH 19 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 078219


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE RANCH 20 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 077717 BRISCOE RANCH 21 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 077561 BRISCOE RANCH 22 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 077560 BRISCOE RANCH 24 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 084358 BRISCOE RANCH 25 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 083966 BRISCOE RANCH 26 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 085723 BRISCOE RANCH 27 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 089836 BRISCOE RANCH 28 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 087358 BRISCOE RANCH 29 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 087477 BRISCOE RANCH 30 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 087359 BRISCOE RANCH 31 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 090534 BRISCOE RANCH 33 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 091510 BRISCOE RANCH 34 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 169827 BRISCOE RANCH 38 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 208365 BRISCOE RANCH 39 CATARINA, SW. (OLMOS) ROSETTA RESOURCES OPERATING LP 206695 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 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 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 1141 13H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 265422 BRISCOE RANCHES, INC. 1750 APPURCEON (OLMOS) ENERGYQUEST II, LLC 109908 BRISCOE RANCHES, INC. 7152 APPURCEON (OLMOS) ENERGYQUEST II, LLC 091512 BRISCOE SANER 3047 CHITTIM (GEORGETOWN) PATTERSON ENERGY CORPORATION 193138 BRISCOE SPRINGMAN UNIT A 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271594 BRISCOE SPRINGMAN UNIT A 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271595 BRISCOE SPRINGMAN UNIT A 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271601


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BRISCOE SPRINGMAN UNIT A 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271596 BRISCOE SPRINGMAN UNIT A 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271604 BRISCOE SPRINGMAN UNIT A 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271627 BRISCOE SPRINGMAN UNIT A 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271628 BRISCOE SPRINGMAN UNIT B 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271686 BRISCOE SPRINGMAN UNIT B 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271687 BRISCOE SPRINGMAN UNIT B 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271704 BRISCOE SPRINGMAN UNIT B 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271705 BRISCOE SPRINGMAN UNIT B 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271706 BRISCOE SPRINGMAN UNIT B 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271709 BRISCOE STATE AR 9H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273195 BRISCOE THON UNIT 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271708 BRISCOE THON UNIT 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271724 BRISCOE THON UNIT 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271725 BRISCOE THON UNIT 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271728 BRISCOE THON UNIT 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271730 BRISCOE-MCKNIGHT 1597H PENA CREEK (GEORGETOWN) EL TORO RESOURCES LLC 256854 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) EP ENERGY E&P COMPANY, L.P. 268487 BRISCOE-NUNLEY GU 1H JUNCO (EAGLE FORD SHALE) EP ENERGY E&P COMPANY, L.P. 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) ENERGYQUEST II, LLC 229815 BRISCOE, CHIP "A" 46 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 229814 BRISCOE, CHIP "B" 47 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 242022 BRISCOE, CHIP A 69 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 244932 BRISCOE, DOLPH "B" 41 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 221539 BRISCOE, DOLPH "B" 42 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 221505 BRISCOE, DOLPH "B" 43 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 222212 BRISCOE, DOLPH "B" 49 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 243065 BRISCOE, DOLPH "B" 54 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 229816 BRISCOE, DOLPH "B" 55 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 229955 BRISCOE, DOLPH "B" 56 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 229956 BRISCOE, DOLPH "B" 62 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 230054 BRISCOE, DOLPH "B" 65 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 231970 BRISCOE, DOLPH "B" 105 CATARINA, SW. (OLMOS) ENERGYQUEST II, LLC 241887 BRISCOE, DOLPH "B" 110 CATARINA, SW. (OLMOS) ENERGYQUEST II, LLC 241733 BRISCOE, DOLPH "D" 50 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 230414 BRISCOE, DOLPH "E" 53 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 222216 BRISCOE, DOLPH B 68 BRISCOE RANCH (OLMOS) ENERGYQUEST II, LLC 241924 BROWN 1 BIG FOOT, N. (OLMOS) PROPERTY DEVELOPMENT GROUP, INC. 173127 BROWN 1C JOHN T. SAUNDERS (WILCOX 5120) LAKEWOOD OPERATING, LTD. 212621 BROWN 2 BIG FOOT, WEST (GAS) PROPERTY DEVELOPMENT GROUP, INC. 175945 BROWN "A" 1T JOHN T. SAUNDERS (WILCOX) LAKEWOOD OPERATING, LTD. 212620 BROWN DISTRIBUTING 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 258900 BROWN DISTRIBUTING 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 258106 BROWN DISTRIBUTING A 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260597


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BROWN DISTRIBUTING A 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260515 BROWN DISTRIBUTING A 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271389 BROWN TRUST UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 261085 BROWN TRUSTS UNIT 3 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 264016 BROWN-DYKE UNIT 3 1H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 271745 BROWN-DYKE UNIT 3 2H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 271743 BROWN-TRUSTS 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 255434 BROWN-TRUSTS 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 257681 BROWN-TRUSTS 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 258271 BROWN-TRUSTS 5H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271387 BROWN-TRUSTS 6H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 261086 BROWN-TRUSTS 7H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271569 BROWN-TRUSTS 8H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271169 BROWN-TRUSTS 9H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271183 BROWN-TRUSTS 10H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271424 BROWN-TRUSTS 11H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271420 BROWN-TRUSTS UNIT 2 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271748 BROWN-TRUSTS UNIT 4 2H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 273595 BROWN, EDGAR A. 1 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000024 BROWN, S. M. 1 VINEGARONE (STRAWN) HILLIN, T. A. 077182 BROWNE, M. 1 YOLEDIGO (TAYLOR 3065) RIO-TEX, INC. 115289 BRUNI-SUMMERS 1H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY 264729 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) LEGACY RESERVES OPERATING LP 196271 BUNGER "30" 2 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 196272 BUNGER "30" 3 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 206705 BUNGER "30" 4 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 202546 BUNGER "30" 5 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 196012 BUNGER "30" 6 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 209211 BUNGER "30" 7 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 209799 BUNGER "30" 8 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 207226 BUNGER "30" 9 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 207616 BUNGER "30" 10 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 212106 BUNGER "30" 11 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 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" 4 SIMPSON-MANN (CANYON) OXY USA INC. 209323 BUNGER "5" 5 SIMPSON-MANN (CANYON) OXY USA INC. 209357 BUNGER 30 1 BAXTER-WENTWORTH (CANYON SAND) HAMMAN OIL & REFINING COMPANY 122528 BUNGER 31 1 BAXTER-WENTWORTH (CANYON SAND) TIDWELL PRODUCTION COMPANY 122593 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 7 ENCINAL (5800) LEWIS PETRO PROPERTIES, INC. 070954 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


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ BURKHOLDER -B- 1 ENCINAL (5800) LEWIS PETRO PROPERTIES, INC. 044415 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 2W JOHN T. SAUNDERS (WILCOX 5380) GULF COAST ACQUISITIONS CO. L.C. 261944 BURKS RANCH "D" 5W JOHN T. SAUNDERS (WILCOX 5380) BELLOWS OPERATING CO., L. C. 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) LAKEWOOD OPERATING, LTD. 243069 BURKS RANCH EAST 2H HAWKVILLE (EAGLEFORD SHALE) XTO ENERGY INC. 259883 BURNITT, PAULINE D. 1 MILANO, EAST (BUDA) ARBOL RESOURCES, INC. 124756 BURNITT, PAULINE D. 3 MILANO, EAST (BUDA) ARBOL RESOURCES, INC. 191127 BURR 1031 TRAVIS HIGGINS (RODESSA) NEWFIELD EXPLORATION COMPANY 181667 BURR "C" 1056 TRAVIS HIGGINS (RODESSA) NEWFIELD EXPLORATION COMPANY 212056 BURR "C" 1231XD TWO M (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 214359 BURR "C" 2231XD TRAVIS HIGGINS (RODESSA) NEWFIELD EXPLORATION COMPANY 211567 BURR "D" 1H LOS CUATROS (LOWER CRETACEOUS) NEWFIELD EXPLORATION COMPANY 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 C. S. LINDHOLM GAS UNIT 2 WILDCAT COLUMBUS ENERGY, LLC 228234 CAGE 1TV BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 254469 CAGE 2TV INDIO TANKS (PEARSALL) ANADARKO E&P ONSHORE LLC 254758 CAGE 3TV INDIO TANKS (PEARSALL) ANADARKO E&P ONSHORE LLC 256990 CAGE 4RB BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264839 CAGE 5TV BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264105 CAGE 6TV BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260606 CAGE 7TV BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264106 CAGE 8TV BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263743 CAGE 9TV BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268306 CAGE MINERALS 26 2H INDIO TANKS (PEARSALL) NEWFIELD EXPLORATION COMPANY 238642 CAGE-KIRK 30 1H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 265733 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 CAMPBELL-HAHN UNIT 2 DUBOSE (EDWARDS -A-) YATES ENERGY CORPORATION 139161 CANGELOSI 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 261353 CANYON RANCH 152E JACK RABBIT (HOLMAN) ENERVEST OPERATING, L.L.C. 193136 CANYON RANCH 501EH KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 157234 CANYON RANCH 505E KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 201818 CANYON RANCH 0051EH KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 152134 CANYON RANCH 0052EH KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 155035 CANYON RANCH 0151E JACK RABBIT (HOLMAN) ENERVEST OPERATING, L.L.C. 140696 CANYON RANCH 0901E FRANCES HILL (PENN) ENERVEST OPERATING, L.L.C. 053098 CANYON RANCH 0902E FRANCES HILL (PENN) ENERVEST OPERATING, L.L.C. 055132 CANYON RANCH 0903E FRANCES HILL (PENN) ENERVEST OPERATING, L.L.C. 126129


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ CANYON RANCH 1072E FRANCES HILL (PENN) ENERVEST OPERATING, L.L.C. 056700 CANYON RANCH 1101E FRANCES HILL (PENN) ENERVEST OPERATING, L.L.C. 056701 CANYON RANCH 1103E FRANCES HILL (PENN) ENERVEST OPERATING, L.L.C. 193528 CANYON RANCH 1122E JACK RABBIT (HOLMAN) ENERVEST OPERATING, L.L.C. 138627 CANYON RANCH 1124E JACK RABBIT (HOLMAN) ENERVEST OPERATING, L.L.C. 193527 CANYON RANCH 1134E JACK RABBIT (HOLMAN) ENERVEST OPERATING, L.L.C. 199877 CANYON RANCH 1271SH KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 163401 CANYON RANCH 2102E KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 196258 CANYON RANCH 2122E KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 196155 CANYON RANCH 2131EH KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 154840 CANYON RANCH 2132EH KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 157987 CANYON RANCH 2133EH KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 161879 CANYON RANCH 2141EH KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 162269 CANYON RANCH 2142E KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 196154 CANYON RANCH 2161S KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 162933 CANYON RANCH 2162SH WILDCAT ENERVEST OPERATING, L.L.C. 169757 CANYON RANCH 2201E KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 136556 CANYON RANCH 2202EH KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 149395 CANYON RANCH 2204EH KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 160937 CANYON RANCH 5012EH KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 164741 CANYON RANCH SWD 3 FRANCES HILL (CANYON) ENERVEST OPERATING, L.L.C. 055621 CANYON RANCH 212 3E KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 200451 CANYON RANCH 213 11E KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 199939 CARDEN EF 1H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 260067 CARDEN EF 5H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 269582 CARDEN EF 6H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 266926 CARDEN EF 7H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 267766 CARDEN EF 8H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 268993 CARDEN WEST EF 1H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 271200 CARDEN WEST EF 2H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 271084 CARDEN WEST EF 3H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 271682 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) BHP BILLITON PET(TXLA OP) CO 254442 CAROLINE PIELOP 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 254447 CAROLINE PIELOP UNIT 10 10H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271390 CAROLINE PIELOP UNIT 11 11H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271422 CAROLINE PIELOP UNIT 2 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 254449 CAROLINE PIELOP UNIT 5 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 274514 CAROLINE PIELOP UNIT 5 5H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260230 CAROLINE PIELOP UNIT 6 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270059 CAROLINE PIELOP UNIT 7 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272348 CAROLINE PIELOP UNIT 7 7H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260232 CAROLINE PIELOP UNIT 9 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 268686 CAROLINE PIELOP UNIT 9 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273113 CARON 2 CARON RANCH (1300) CHALLENGER OIL INC 125827 CARPENTER 1 JACK MANN (PENN) MARSHALL & WINSTON, INC. 222339 CARR, WALTER M. 1 STOCKDALE (CARRIZO) P.S.N. PETROLEUM, INC. 085689 CARSON SWD 1 EAGLEVILLE (EAGLE FORD-1) KARIS RESOURCES, LLC 275899 CARTER 1 BANDERA (ELLENBURGER) PATTERSON ENERGY CORPORATION 253768 CARTWRIGHT A 1H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 266330


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ CARTWRIGHT A 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 266331 CARTWRIGHT B 1H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 266325 CARTWRIGHT D 1H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 267024 CARTWRIGHT F 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 267354 CARTWRIGHT G 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 267811 CARTWRIGHT "A" 1 COOKE (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 151609 CAUTHORN -A- 1 VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 000498 CAUTHORN -A- 49C VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 150759 CAUTHORN -A- 49D VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 157635 CAUTHORN -A- 49E VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 165989 CAUTHORN -A- 49F VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 203659 CAUTHORN -B- 1 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 000501 CAUTHORN -B- 2 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 090878 CAUTHORN -B- 3 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 157238 CAUTHORN -B- 4 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 161637 CAUTHORN -B- 5 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 171896 CAUTHORN -B- 7 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 173360 CAUTHORN -B- 9 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 214219 CAUTHORN -C- 1 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 000497 CAUTHORN -C- 2 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 090529 CAUTHORN -C- 3 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 162573 CAUTHORN -C- 4 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 167369 CAUTHORN -C- 5 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 171800 CAUTHORN -C- 6 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 174457 CAUTHORN -D- 1 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 000502 CAUTHORN -D- 4 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 167621 CAUTHORN -D- 5 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 172137 CAUTHORN -D- 6 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 173538 CAUTHORN -D- 7 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 173879 CAUTHORN -D- 8 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 178552 CAUTHORN -E- 2 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 176763 CAUTHORN -F- 1 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 059867 CAUTHORN -F- 4 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 213633 CAUTHORN -F- 5 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 222926 CAUTHORN -G- 1 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 084357 CAUTHORN -G- 3 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 183454 CAUTHORN -H- 1 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 196277 CAUTHORN -J- 1 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 205493 CAUTHORN -11- 1 VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 062055 CAUTHORN -16- 1 HOLMAN RANCH, N (PENN) ENERVEST OPERATING, L.L.C. 054396 CAUTHORN -85- 1 HOLMAN RANCH, N (PENN) ENERVEST OPERATING, L.L.C. 056149 CAUTHORN -85- 3 HOLMAN RANCH, N (PENN) ENERVEST OPERATING, L.L.C. 088831 CAUTHORN -86- 1 HOLMAN RANCH, N (PENN) ENERVEST OPERATING, L.L.C. 054353 CAUTHORN "B" 8 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 187732 CAUTHORN "G" 2 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 178535 CAUTHORN "85" 4 HOLMAN RANCH, N (PENN) ENERVEST OPERATING, L.L.C. 163608 CAUTHORN "86" 3 HOLMAN RANCH, N (PENN) ENERVEST OPERATING, L.L.C. 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) VANGUARD PERMIAN, LLC 089368


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ CAUTHORN, ADDAH 1010 VINEGARONE (STRAWN) AGHORN OPERATING, INC. 052352 CAUTHRON -D- 9 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 183314 CAUTHRON "C" 8 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 184831 CENTERRE TRUST CO. 1 MAGUELLITOS, NE. (WILCOX 6900) FIRST UNITED OIL & GAS CORP. 066876 CERRITO STATE 9H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES II, LLC 272783 CHALOS MINERALS 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260211 CHALOS MINERALS 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 264331 CHAMBERLAIN STATE 1496 GU 5H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 265085 CHAPARRAL WILDLIFE 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269979 CHAPARRAL WILDLIFE STATE 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271910 CHAPARRAL WILDLIFE STATE 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271911 CHAPARRAL WILDLIFE STATE 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272105 CHAPARRAL WILDLIFE STATE 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272091 CHAPARRAL WILDLIFE STATE 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272106 CHAPARRAL WILDLIFE STATE 9H AMMANN (BUDA) ANADARKO E&P ONSHORE LLC 271464 CHAPARRAL WILDLIFE STATE 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272202 CHAPARRAL WILDLIFE STATE 11H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272200 CHAPARRAL WILDLIFE STATE 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272126 CHAPARRAL WILDLIFE STATE 13H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272124 CHAPARROSA RANCH 54 CHAPPAROSA (OLMOS) PATTERSON ENERGY CORPORATION 160092 CHAPMAN 1 ANNA CHAPMAN (SAN MIGUEL) DAWSEY OPERATING COMPANY 185540 CHAPMAN/KINCAID 1 WILDCAT DAWSEY OPERATING COMPANY 206311 CHAPPAROSA RANCH 38 BANDERA TANK, NW. (SAN MIGUEL) PATTERSON ENERGY CORPORATION 056205 CHAPPAROSA RANCH 40 BANDERA TANK, NW. (SAN MIGUEL) PATTERSON ENERGY CORPORATION 061256 CHAPPAROSA RANCH 49 BANDERA TANK (SAN MIGUEL) PATTERSON ENERGY CORPORATION 079223 CHATO 1 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 215382 CHATO 2 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 225386 CHATO 3 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 216438 CHATO 4 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 228236 CHATO 7 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 227610 CHATO A 10 SUN T S H (WILCOX) SWIFT ENERGY OPERATING, LLC 239136 CHATO A 11 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 244942 CHATO 22 9 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 193146 CHATO 22 13 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 192945 CHATO 22 26 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 186226 CHATO 22 A 25 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 188869 CHATO 22 A 28 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 188476 CHATO 22 A 32 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 193506 CHATO 22 A 33 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 189040 CHATO 22 A 51 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 235718 CHATO 22A 27L SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 187229 CHATO 22A 54 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 251110 CHATO 23 1 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 180302 CHATO 23 17 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 195713 CHATO 23 22 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 247979 CHATO 24 8 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 183706 CHATO 24 10 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 191462 CHATO 24 11 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 183714 CHATO 24 14 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 191318 CHATO 24 18 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 191315 CHATO 24 19 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 191459


------------------------------------------------------------------------------------------------------------------------------------ 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 76 SUN T S H (OLMOS) LEWIS PETRO PROPERTIES, INC. 274809 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) ENERVEST OPERATING, L.L.C. 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.) PATTERSON ENERGY CORPORATION 145261 CHITTIM 3 CHITTIM (5600) WAGNER OIL COMPANY 000128 CHITTIM 5 CHITTIM (5600) WAGNER OIL COMPANY 000129 CHITTIM 6 CHITTIM (5600) WAGNER OIL COMPANY 000130 CHITTIM 23 CHITTIM (5600) DOLPHIN PETROLEUM, LP 125094 CHITTIM 1140 CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 194029 CHITTIM 1141 CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 189043 CHITTIM 1142 CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 188814 CHITTIM 1144H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 195714 CHITTIM 1157H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 198203 CHITTIM 1159H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 196021 CHITTIM 1160H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 203977 CHITTIM 1176H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 230589 CHITTIM 1187 CHITTIM (GEORGETOWN) WAGNER OIL COMPANY 177494 CHITTIM 2127H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 233338 CHITTIM 2128 CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 191498 CHITTIM 2130 CHITTIM (5000) WAGNER OIL COMPANY 179623 CHITTIM 2140 CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 193942 CHITTIM 2141 CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 196504 CHITTIM 2143 CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 191373 CHITTIM 2144H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 198579 CHITTIM 2157H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 198522 CHITTIM 2159H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 207416


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ CHITTIM 3129HC CHITTIM (5000) WAGNER OIL COMPANY 230545 CHITTIM 3129HT CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 238008 CHITTIM 3130H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 205642 CHITTIM 3141H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 202199 CHITTIM 3142 H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 212561 CHITTIM 3143H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 198578 CHITTIM 3158H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 200481 CHITTIM 4128HC CHITTIM (5000) WAGNER OIL COMPANY 230151 CHITTIM 4128HT CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 230149 CHITTIM 4129H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 202551 CHITTIM 4143H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 198524 CHITTIM 5128H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 204368 CHITTIM G 1104 CHITTIM (5600) WAGNER OIL COMPANY 220307 CHITTIM RANCH 1 CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 162930 CHITTIM RANCH 1127 CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 192403 CHITTIM RANCH 1291 CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 162996 CHITTIM RANCH 1292 CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 168194 CHITTIM RANCH 1431 CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 163096 CHITTIM RANCH 1581 CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 170673 CHITTIM RANCH 1582 CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 167679 CHITTIM RANCH 3128 CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 192395 CHITTIM 131 1131H CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 213009 CHITTIM, ANNIE 22 CHITTIM (5600) DOLPHIN PETROLEUM, LP 098624 CHITTIM, ANNIE E 1151 CHITTIM (5600) DOLPHIN PETROLEUM, LP 181416 CHITTIM, ANNIE E. 14JC CHITTIM (GEORGETOWN) DOLPHIN PETROLEUM, LP 056203 CHITTIM, ANNIE E. 14JT CHITTIM (4900) DOLPHIN PETROLEUM, LP 056202 CHITTIM, ANNIE E. 21 CHITTIM (5600) DOLPHIN PETROLEUM, LP 096975 CHITTIM, ANNIE E. R 1 CHITTIM (5600) DOLPHIN PETROLEUM, LP 000124 CHITTIM, ANNIE E. R 17 CHITTIM (5600) DOLPHIN PETROLEUM, LP 000127 CHITTIM, ANNIE E. X 1 CHITTIM (5600) DOLPHIN PETROLEUM, LP 000125 CHITTIM, ANNIE E. 1141 CHITTIM (5400) WAGNER OIL COMPANY 094675 CHITTIM, ANNIE E. 1161 CHITTIM, E. (RODESSA 5310) WAGNER OIL COMPANY 108368 CHITTIM, ANNIE E. 1311 CHITTIM (5550) WAGNER OIL COMPANY 094677 CHITTIM, ANNIE E. 1421 CHITTIM, E. (RODESSA 5300) WAGNER OIL COMPANY 093061 CHITTIM, ANNIE E. 1422 CHITTIM (5600) WAGNER OIL COMPANY 107054 CHITTIM, ANNIE E. (115) 7MJ CHITTIM (GEORGETOWN) DOLPHIN PETROLEUM, LP 053971 CHITTIM, ANNIE E. -KJ- 1 CHITTIM (5600) DOLPHIN PETROLEUM, LP 053244 CHITTIM, ANNIE E. -PJ- 3 CHITTIM (5000) DOLPHIN PETROLEUM, LP 053735 CHITTIM, ANNIE E., (LJ) 8 CHITTIM (5600) DOLPHIN PETROLEUM, LP 055877 CHITTIM, N. J. 6427 SACATOSA (OLMOS) CONOCOPHILLIPS COMPANY 189537 CHRIS M. ALLEN 1 WILDCAT BRUINGTON OPERATING, L.L.C. 274002 CIERVO 1 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 229763 CIERVO 2 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 229810 CIERVO 4 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 230680 CIERVO 5 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 235906 CIERVO 6 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 249341 CIERVO 7 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 249351 CIERVO 8 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 234878 CIERVO 9 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 233671 CLAUNCH, B. C. 1 CALLIHAM, SOUTH (JACKSON) ELBO CO., THE 000086 CLAUNCH, B. C. 2 CALLIHAM, SOUTH (JACKSON) ELBO CO., THE 000085


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ CLAUNCH, B. C. 3 CALLIHAM, SOUTH (JACKSON) TROTTER-HOWLING & HATTAWAY 000087 CLAUNCH, B. C. 10 CALLIHAM, SOUTH (JACKSON) ELBO CO., THE 000088 CLAYTON, T. M. 1 JORDAN (NAVARRO B) SHOREHAM OIL & GAS COMPANY, INC. 068438 CLOUDT "55" 1 ROCKSPRINGS, W. (CANYON) 3-M ENERGY CORPORATION 143501 CMAJDALKA 59 2 GERONIMO CREEK (ELLENBURGER) LEGACY RESERVES OPERATING LP 232700 CMAJDALKA 62 1 GERONIMO CREEK (ELLENBURGER) LEGACY RESERVES OPERATING LP 232692 CMWW A 104H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 267487 CMWW A 4201 H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 265717 CMWW A 4202H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 273030 CMWW A 4301H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 263906 CMWW A 4302H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 264171 CMWW A 4303H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 271335 CMWW A 4305H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 271368 CMWW A 4306H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 271568 CMWW A 4307H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 271662 CMWW A 4308H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 271664 CMWW A 4310H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 272350 CMWW A 4311H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 272705 CMWW A 4314H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 272510 CMWW A 4401H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 265720 CMWW A 4402H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 265721 CMWW A 4403H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 271311 CMWW A 4405H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 274158 CMWW A 4406H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 274305 CMWW A 4501H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 269906 CMWW A 4502H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 274155 CMWW A 4503H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 274099 CMWW B 3701H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 264297 CMWW B 3702H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 273791 CMWW B 3703H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 271802 COE, H. W. 27 VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 203662 COE, HAZEL WHITEHEAD 1 VINEGARONE (STRAWN) VANGUARD PERMIAN, 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 COHRS, DALE R. & JANICE A. 3 WILDCAT M. A. MUELLER CONST. CO., INC. 254092 COLE 1358 WILL O. (WOLFCAMP) WOLFCAMP ENERGY, LLC 212888 COLE GAS UNIT 1 HOSTETTER (WILCOX 9400) BLUESTONE NATURAL RES. II, 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 CIVRON PETROLEUM RES., LLC 118709 COLEMAN 2 SOMERSET CIVRON PETROLEUM RES., LLC 118710 COLEMAN 3 SOMERSET CIVRON PETROLEUM RES., LLC 124077 COLEMAN 4 SOMERSET CIVRON PETROLEUM RES., LLC 118711 COLEMAN 6 SOMERSET A&B PIPELINE OF TEXAS, INC. 118712 COLEMAN "A" 1A SOMERSET CIVRON PETROLEUM RES., LLC 118713 COLEMAN "A" 2A SOMERSET CIVRON PETROLEUM RES., LLC 118714 COLEMAN "A" 3A SOMERSET CIVRON PETROLEUM RES., LLC 118715 COLEMAN HEIRS 7201 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 243063 COLEMAN HEIRS A 5011 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 243064


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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 COLEMAN HEIRS 507 A 1 SUN T S H (OLMOS) VIRTEX OPERATING COMPANY, INC. 243048 COLLINS, JOE 1 BENTON CITY S, (ANACACHO) REGENCY ENERGY, INC. 229953 COMANCHE 6601 H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 264108 COMANCHE RANCH 341H INDIO TANKS (PEARSALL) NEWFIELD EXPLORATION COMPANY 251797 COMANCHE RANCH W102H PENA CREEK (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 205342 COMANCHE RANCH 1012H PENA CREEK (GEORGETOWN) CMR ENERGY, L.P. 205604 COMANCHE RANCH 1015H PENA CREEK (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 207293 COMANCHE RANCH 1091H PENA CREEK (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 208308 COMANCHE RANCH 1106H PENA CREEK (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 206267 COMANCHE RANCH 1604H ROCKY CREEK (GEORGETOWN) CMR ENERGY, L.P. 201491 COMANCHE RANCH 1613 WILDCAT CMR ENERGY, L.P. 211560 COMANCHE RANCH 1666 WILDCAT NEWFIELD EXPLORATION COMPANY 211610 COMANCHE RANCH 2008H PENA CREEK (GEORGETOWN) CMR ENERGY, L.P. 204161 COMANCHE RANCH 3101H INDIO TANKS (PEARSALL) NEWFIELD EXPLORATION COMPANY 262187 COMANCHE RANCH 5046 PENDENCIA (ESCONDIDO) CMR ENERGY, L.P. 220721 COMBS, DAVID S. 1 BIG FOOT BARNETT ENERGY, INC. 222649 COOKE 1 COOKE RANCH (OLMOS) BAYSHORE EXPLORATION LLC 201484 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 B 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 269293 COOKE RANCH B 5H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 266323 COOKE RANCH C 1H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 271680 COOKE RANCH C 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 271681 COOKE RANCH C 3H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 271683 COOKE RANCH D 1H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 268316 COOKE RANCH D 3H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 268317 COOKE RANCH F 1H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 270666 COOKE RANCH F 3H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 270532 COOKE, C. N. TRUST 1 COOKE (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 163606 COOPER 1 LOS CUATROS (LOWER CRETACEOUS) RIO GRAND EXPLORATION, LLC 083063 COOPER, J. L. 1061 LOS CUATROS (LOWER CRETACEOUS) XOG 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 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


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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 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 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 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 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 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 BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275808


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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) BASIC ENERGY SERVICES, L.P. 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) NEWFIELD EXPLORATION COMPANY 211755 COVERT, F. M. 1472H PENA CREEK (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 221049 COVERT, F. M. 1690H PENA CREEK (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 200654 COVERT, F. M. NCT B-4 4 C ROCKY CREEK EAST (2250) 3-G OPERATING COMPANY 060977 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 COX, MIKE 1 HOMEYER (ESCONDIDO) REGENCY ENERGY, INC. 192776 CPL 1 LOS CUATROS (JAMES LIME) XOG OPERATING LLC 147923 CRAFT 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 261323 CRAFT 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273434 CRAWFORD RANCH 12H INDIO TANKS (PEARSALL) CARRIZO (EAGLE FORD) LLC 271439 CRESCENT C 1H HAWKVILLE (EAGLEFORD SHALE) MURPHY EXPL. & PROD. CO. - USA 259085 CRISP 3 STUART CITY (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 163067 CRISP H UNIT 3H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 271919 CRISP RANCH D 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 270533 CRISP RANCH G 1H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 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 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) BLUESTONE NATURAL RES. II, 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" 4 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 159145 D. W. TRI BAR 32 "H" "A" 3 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 158831


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ D.W. TRI BAR 32H 1A TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 158045 D.W. TRI BAR 56 C 5 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 167505 D.W. TRI BAR, 56C 1 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 158046 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 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) TEMA OIL AND GAS COMPANY 182559 DANIEL - STATE 2 1 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 160490 DANIEL - STATE 2 4 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 161126 DANIEL STATE "2" 7 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 179614 DANIEL STATE 2 8 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 181818 DANIEL-STATE "2" 9 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 221145 DANIEL-STATE 2 2 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 160491 DANIEL-STATE 2 3 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 160853 DANIEL-STATE 2 5 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 161128 DANIEL-STATE 2 6 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 163946 DANIEL-STATE 2 11 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 211763 DANIEL, M. K. 1 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 157579 DANIEL, M. K. 3 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 159570 DANIEL, M. K. 4 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 159573 DANIEL, M. K. 5 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 160753 DANIEL, M. K. 6 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 160866 DANIEL, M. K. 7 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 160868 DANIEL, M. K. 8 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 161129 DANIEL, M. K. 9 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 165884 DANIEL, M. K. 10 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 164559 DANIEL, M. K. 11 SIMPSON-MANN (CANYON) ENERVEST OPERATING, L.L.C. 169424 DANIEL, M. K. 12 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 162040 DANIEL, M. K. 13 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 163942 DANIEL, M. K. 14 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 162042 DANIEL, M. K. 15 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 165205 DANIEL, M. K. 16 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 169926 DANIEL, M. K. 17 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 173136 DANIEL, M. K. 18 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 169923 DANIEL, M. K. 21R SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 169113 DANIEL, M. K. 22 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 166554 DANIEL, M. K. 23 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 168280 DANIEL, M. K. 24 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 166177 DANIEL, M. K. 25 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 169924 DANIEL, M. K. 26 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 166561 DANIEL, M. K. 27 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 169927 DANIEL, M. K. 29 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 177475 DANIEL, M. K. 30 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 179023 DANIEL, M. K. 31 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 184932 DANIEL, M. K. 32 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 184776 DANIEL, M. K. 33 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 182815 DANIEL, M. K. 34 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 181049 DANIEL, M. K. 35 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 187713


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ DANIEL, M. K. 36 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 187714 DANIEL, M. K. 39 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 184777 DANIEL, M. K. 601 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 184934 DANIEL, M. K. 602 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 183937 DANIEL, M. K. 609 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 185993 DANIEL, M. K. 610 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 185994 DANIEL, M. K. 611 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 247472 DANIEL, M. K. 612 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 256034 DANIEL, M. K. 613 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 248115 DANIEL, M. K. 701 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 182709 DANIEL, M. K. 702 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 182712 DANIEL, M. K. 703 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 185017 DANIEL, M. K. 704 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 183015 DANIEL, M. K. 705 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 183585 DANIEL, M. K. 706 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 185015 DANIEL, M. K. 707 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 251644 DANIEL, M. K. 708 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 249914 DANIEL, M. K. 709 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 243836 DANIEL, M. K. 710 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 243566 DANIEL, M. K. 711 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 245148 DANIEL, M. K. 712 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 245149 DANIEL, M. K. 713 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 251656 DANIEL, M. K. "A' 4 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 164780 DANIEL, M. K. "A' 6 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 164779 DANIEL, M. K. "A" 1 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 164288 DANIEL, M. K. "A" 2 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 164287 DANIEL, M. K. "A" 3 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 164285 DANIEL, M. K. "A" 5 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 177345 DANIEL, M. K. "A" 7 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 169922 DANIEL, M. K. "A" 8 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 170647 DANIEL, M. K. "A" 10 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 258489 DANIEL, M. K. "A" 14 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 168128 DANIEL, M. K. "A" 17 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 168126 DANIEL, M. K. "A" 19 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 170648 DANIEL, M. K. "A" 20 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 173135 DANIEL, M. K. "A" 21 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 173133 DANIEL, M. K. "A" 24 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 183065 DANIEL, M. K. "A" 25 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 182999 DANIEL, M. K. "A" 26 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 182998 DANIEL, M. K. "A" 27 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 184407 DANIEL, M. K. "109" 3 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 171429 DANIEL, M. K. "109" 4 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 171430 DANIEL, M. K. "109" 6 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 181891 DANIEL, M. K. "110" 2 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 171457 DANIEL, M. K. "110" 3 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 171141 DANIEL, M. K. "110" 5 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 180062 DANIEL, M. K. "110" 6 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 181939 DANIEL, M. K. "112" 1 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 169722 DANIEL, M. K. "112" 2 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 169723 DANIEL, M. K. "112" 3 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 169724 DANIEL, M. K. "112" 4 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 171293


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ DANIEL, M. K. "112" UNIT 5 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 174167 DANIEL, M. K. "113" 1 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 169721 DANIEL, M. K. "113" 2 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 169581 DANIEL, M. K. "113" 3 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 171458 DANIEL, M. K. "113" 4 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 180061 DANIEL, M. K. "113" 5 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 175780 DANIEL, M. K. "113" 6 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 177892 DANIEL, M. K. "113" 7 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 179954 DANIEL, M. K. "8" 802 SIMPSON-MANN (CANYON) SILVER OIL & GAS INC. 188885 DANIEL, M. K. A 9 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 167019 DANIEL, M. K. A 15 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 165402 DANIEL, M. K. 109 7 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 185010 DANIEL, M. K. 110 8 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 185014 DANIEL, M. K. 111 "A" 3 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 179961 DANIEL, M. K. 111 "A" 5 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 171456 DANIEL, M. K. 111 "A" 6 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 171459 DANIEL, M. K. 111 "A" 8 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 181360 DANIEL, M. K. 112 "A" 6 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 171472 DANIEL, M. K. 112 "A" 7 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 180819 DANIEL, M. K. 112 "A" 8 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 171474 DANIEL, M. K. 112A 9A SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 184788 DANIEL, M.K. "A" 23 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 181924 DANIELS, M. K. III A 4 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 181359 DANIELS, M. K. 112A 10 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 181590 DAVENPORT, FRED 1 BENTON CITY (ANACACHO) KRUEGER, M. A., OPERATOR 132332 DAVID HOLDSWORTH INDIO (OLMOS) ALAMO OPERATING COMPANY, L. C. 271044 DAVIS 902 GERONIMO CREEK (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 220397 DAVIS 3001 GERONIMO CREEK (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 196289 DAVIS 7701 GERONIMO CREEK (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 207230 DAWSON GU 2H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 266146 DAWSON 1547 3H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 270867 DAWSON 360 G.U. 5H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 269924 DAWSON 360 G.U. 6H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 269925 DAWSON 360 G.U. 7H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 270626 DAWSON 360 GU 4H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 268452 DEATON "123" 3 BAXTER-WENTWORTH (CANYON SAND) OXY USA INC. 201028 DEATON "123" 4 BAXTER-WENTWORTH (CANYON SAND) OXY USA INC. 204703 DEATON "123" 5 BAXTER-WENTWORTH (CANYON SAND) OXY USA INC. 204701 DEATON "125" 1 BAXTER-WENTWORTH (CANYON SAND) OXY USA INC. 209209 DEATON 1-121 1 BAXTER-WENTWORTH (CANYON SAND) TIDWELL PRODUCTION COMPANY 111767 DEATON 123 2 BAXTER-WENTWORTH (CANYON SAND) HAMMAN OIL & REFINING COMPANY 121194 DECLEENE 1 C ROCHELLE (OLMOS 1800) GILLEY, SAM D. 115152 DECLEENE 1 T ROCHELLE, WEST (BRACERO) GILLEY, SAM D. 113359 DEEL 2 ROCKSPRINGS, W. (CANYON) HILLIN, T. A. 249373 DELANGE UNIT 1 ROOS (WILCOX 7500) NEW WORLD ENERGY 000438 DELGADO G 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 271309 DENTONIO STATE 22 UNIT 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273041 DENTONIO STATE 22 UNIT 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273034 DENTONIO STATE 22 UNIT 11H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273000 DENTONIO WHITE 23 UNIT 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269544 DENTONIO WHITE 23 UNIT 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269545


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ DENTONIO WHITE 23 UNIT 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269550 DENTONIO WHITE 23 UNIT 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270088 DENTONIO WHITE 23 UNIT 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269553 DENTONIO WHITE 23 UNIT 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269557 DENTONIO WHITE 23 UNIT 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270094 DENTONIO WHITE 23 UNIT 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269640 DENTONIO WHITE 23 UNIT 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270096 DENTONIO WHITE 23 UNIT 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269517 DENTONIO WHITE 23 UNIT 11H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269518 DENTONIO WHITE 23 UNIT 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269519 DENTONIO WHITE 23 UNIT 13H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269521 DENTONIO WHITE 23 UNIT 14H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269522 DENTONIO WHITE 23 UNIT 15H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269541 DIAMOND H RANCH 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267618 DIAMOND H RANCH 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267384 DIAMOND H RANCH 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267619 DIAMOND H RANCH 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268932 DIAMOND H RANCH 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268688 DIAMOND H STATE 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267385 DIAMOND H STATE 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266611 DIAMOND H STATE 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266614 DIAMOND H STATE 9H WILDCAT ANADARKO E&P ONSHORE LLC 271554 DIAMOND H STATE 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271441 DIAMOND H STATE 19H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272572 DIAMOND H STATE 20H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272345 DIAMOND H STATE 21H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272460 DIAMOND H STATE 22H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272467 DICKINSON UNIT E 1H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, L.L.C. 273133 DICKINSON, J. H. 2 TILDEN, S. (EDWARDS LIME 11,500) ESCONDIDO RESOURCES II, LLC 214762 DICKINSON, J. H. 4 TILDEN, S. (EDWARDS LIME 11,500) ESCONDIDO RESOURCES II, LLC 241892 DICKINSON, J. H. 7 TILDEN, S. (EDWARDS LIME 11,500) ESCONDIDO RESOURCES II, LLC 247598 DIEBITSCH 70 19 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 258497 DILLON, B W 10 STUMBERG RANCH (OLMOS 4600) CHAPARRAL NATURAL RESOURCES,INC. 271968 DILWORTH 1H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 260055 DILWORTH 2H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 260539 DILWORTH 3H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 273435 DILWORTH 4H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 266395 DILWORTH 5H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 268484 DILWORTH 6H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 271562 DILWORTH 8H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 273737 DILWORTH 12H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 273563 DILWORTH 14H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 270655 DILWORTH 15H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 271794 DILWORTH 16H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 271149 DILWORTH 22H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 273572 DILWORTH 28H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 272631 DILWORTH 32H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 273589 DILWORTH 35H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 275878 DILWORTH 37H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 273584 DILWORTH GAS UNIT 1 DILWORTH (EDWARDS LIME) HILCORP ENERGY COMPANY 039498 DILWORTH GAS UNIT #1 2 DILWORTH (EDWARDS LIME) HILCORP ENERGY COMPANY 043436


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ DILWORTH GAS UNIT #1 3 DILWORTH (EDWARDS LIME) HILCORP ENERGY COMPANY 070354 DILWORTH GAS UNIT 1 4 DILWORTH (EDWARDS LIME) HILCORP ENERGY COMPANY 082910 DILWORTH, J. B. I 1 DILWORTH,SOUTHEAST(EDWARDS LIME) SUTTON PRODUCING CORP. 000160 DILWORTH, J. C. JR. 6 DILWORTH (EDWARDS LIME) HILCORP ENERGY COMPANY 043951 DILWORTH, J. C. JR. 9 DILWORTH (EDWARDS LIME) HILCORP ENERGY COMPANY 050319 DILWORTH, J. C. JR. 10 DILWORTH (EDWARDS LIME) HILCORP ENERGY COMPANY 053792 DILWORTH, J. C. JR. 11 DILWORTH (EDWARDS LIME) HILCORP ENERGY COMPANY 065874 DILWORTH, J. C. JR. 12 DILWORTH (EDWARDS LIME) HILCORP ENERGY COMPANY 070264 DILWORTH, J. C. JR. 14 DILWORTH (EDWARDS LIME) HILCORP ENERGY COMPANY 083702 DILWORTH, J.C. JR. 2 DILWORTH (EDWARDS LIME) HILCORP ENERGY COMPANY 198622 DILWORTH, J.C. JR. 3 DILWORTH (EDWARDS LIME) HILCORP ENERGY COMPANY 000157 DISCHER 1 TILDEN, E. (300) SOUTH TEXAS INSTRUMENTS, INC. 118258 DISCHER 1H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 257784 DISCHER EF 2H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 271459 DISCHER EF 3H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 271479 DISHMAN 2 RICHARD (OLMOS) TERRA ENERGY 114874 DISMUKES 1101 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 139210 DISMUKES 1901A ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 139211 DISMUKES 5501 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 139630 DISMUKES 5502 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 138608 DISMUKES 5601 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 139988 DISMUKES 5602 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 139631 DONNELL 1 HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 248927 DONNELL A 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 254451 DONNELL A 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271035 DONNELL A 6H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260177 DONNELL A 16H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273268 DONNELL A 17H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273165 DONNELL A 31H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273571 DONNELL A 32H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273574 DONNELL B 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271649 DONNELL B 5H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273559 DONNELL B 6H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 274677 DONNELL B 7H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260591 DONNELL B 11H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260594 DONNELL C 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260797 DONNELL C 2H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 270053 DONNELL ET AL 5H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 255452 DONNELL MINERALS 1 UNIT 4H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 272769 DONNELL MINERALS 1 UNIT 5H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 274302 DONNELL MINERALS 366 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 251821 DONNELL SWD 1 EAGLEVILLE (EAGLE FORD-1) RICKAWAY ENERGY, CORP. 273541 DONNELL 1077 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 256150 DONNELL 457 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 255036 DONNELL 457 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270098 DONNELL-MULHOLLAND UNIT 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 274587 DONNELL-MULHOLLAND UNIT 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272107 DORA MARTIN A 8H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270926 DORA MARTIN A 9H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270928 DORA MARTIN A 10H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 274102 DORA MARTIN A 17H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270979


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------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ EDWARDS A 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 271556 EDWARDS A 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 263587 EDWARDS A 5H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273299 EDWARDS A 6H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273297 EDWARDS B 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271186 EDWARDS B 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 264156 EDWARDS B 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 267907 EDWARDS B 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271632 EDWARDS B 5H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 270298 EF ENERGY/WINSLOW, O. H. 2 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 185977 ELENORA 1 U DUBOSE (EDWARDS -A-) YATES ENERGY CORPORATION 000173 EPLEY 1H HAWKVILLE (EAGLEFORD SHALE) SAN ISIDRO DEVELOPMENT CO, L. C. 261500 EPPERSON 1 EPPERSON (CANYON SAND) BETTIS, BOYLE & STOVALL 175143 EPPERSON 2 EPPERSON (CANYON SAND) BETTIS, BOYLE & STOVALL 184011 EPPERSON 3 EPPERSON (CANYON SAND) BETTIS, BOYLE & STOVALL 212068 EPPERSON "47" 1 EPPERSON (CANYON SAND) BETTIS, BOYLE & STOVALL 176805 EPPERSON "47" 1 ROCKSPRINGS, W. (CANYON) 3-M ENERGY CORPORATION 144749 EPPERSON "47" 2 EPPERSON (CANYON SAND) BETTIS, BOYLE & STOVALL 204255 EPPERSON, JAMES 1019 EPPERSON (CANYON SAND) THOMPSON, J. CLEO 122757 EPPERSON, JAMES 1119 EPPERSON (CANYON SAND) THOMPSON, J. CLEO 123220 EPPERSON, JAMES 1820 EPPERSON (CANYON SAND) THOMPSON, J. CLEO 133620 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) DEVON ENERGY PRODUCTION CO, L.P. 099208 EPPERSON, SAM 4701 ROCKSPRINGS, W. (CANYON) 3-M ENERGY CORPORATION 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 2042 EPPERSON (CANYON SAND) THOMPSON, J. CLEO 133621 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) DEVON ENERGY PRODUCTION CO, L.P. 099207 EPPERSON, TOM W. 2 EPPERSON (CANYON SAND) DEVON ENERGY PRODUCTION CO, L.P. 141580 EPPERSON, TOM W. 3 EPPERSON (CANYON SAND) DEVON ENERGY PRODUCTION CO, L.P. 143466 EPPERSON, TOM W. 4 EPPERSON (CANYON SAND) DEVON ENERGY PRODUCTION CO, L.P. 209842 EPPERSON, TOM W. 5 EPPERSON (CANYON SAND) DEVON ENERGY PRODUCTION CO, L.P. 213468 EPPERSON, WILLIAM 4702 ROCKSPRINGS, W. (CANYON) 3-M ENERGY CORPORATION 129110 EPPERSON, WILLIAM 4703 ROCKSPRINGS, W. (CANYON) 3-M ENERGY CORPORATION 129111 EPPS 2 HOLMAN RANCH, N (PENN) SABER OIL & GAS VENTURES, LLC 091710 EPPS 3 HOLMAN RANCH, N (PENN) SABER OIL & GAS VENTURES, LLC 093161 EPPS 4 HOLMAN RANCH, N (PENN) SABER OIL & GAS VENTURES, LLC 100923 EPPS 4701 HOLMAN RANCH, N (PENN) GREAT NORTHERN ENERGY, INC 135345 EPPS-TEXAS A & M -47- 2 FRANCES HILL (PENN) JOHNSON & LINDLEY, LLC 055226 EPPS, H. C. 338 HOLMAN RANCH, N (PENN) ENERVEST OPERATING, L.L.C. 071997 EPPS, H. C. 2038 HOLMAN RANCH, N (PENN) ENERVEST OPERATING, L.L.C. 062782 EPPS, H. C. 4039 HOLMAN RANCH, N (PENN) ENERVEST OPERATING, L.L.C. 053723 EPPS, HATTIE "D" 1 FRANCES HILL (PENN) MERIT ENERGY COMPANY 054137 EPPS, HATTIE "D" 3 FRANCES HILL (PENN) MERIT ENERGY COMPANY 151603


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ EPPS, HATTIE "D" 4 FRANCES HILL (CANYON) MERIT ENERGY COMPANY 178770 ESCHENBURG-POLLOK 1 FASHING (EDWARDS LIME -A-) SANTA ROSA OPERATING, LLC 161123 EVANS H 1 EAGLEVILLE (EAGLE FORD-1) LEWIS PETRO PROPERTIES, INC. 253413 EVANS H 2 EAGLEVILLE (EAGLE FORD-1) LEWIS PETRO PROPERTIES, INC. 271583 EXXON MILLS -39- 1 WILL O. (ELLENBURGER) ENDEAVOR ENERGY RESOURCES L.P. 075468 F. T. 2 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 157215 F. T. 5 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 157225 F. T. 6 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 157232 F. T. 7 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 157483 F. T. 8 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 157636 F. T. 9 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 157229 F. T. 10 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 157480 F.D. LAUREL 20H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 267854 F.T. 3 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 157266 F.T. 4 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 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 L UNIT I 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 268751 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-BONITA BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 274407 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 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 E 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, INC. 274781 FAITH-BONITA E 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 274326 FAITH-BONITA I 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, INC. 274857 FAITH-BONITA J 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, INC. 275232 FAITH-BONITA J 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, INC. 274467 FAITH-SAN PEDRO A 1H INDIO TANKS (PEARSALL) CHESAPEAKE OPERATING, L.L.C. 261614 FAITH-SAN PEDRO F 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 268447 FAITH-SAN PEDRO F 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, INC. 275233 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 C UNIT F 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, INC. 275244 FAITH-SAN PEDRO D UNIT F 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, INC. 275948 FAITH-SANDY A 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, INC. 275857 FAITH-SANDY A 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, INC. 275858 FAITH-SANDY A 3H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, INC. 275859 FAITH-SANDY A 4H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, INC. 275860 FAITH-SANDY B 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 273778 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, INC. 275242 FAITH-YANA F 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, INC. 275237


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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 H 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, INC. 275238 FAITH-YANA H 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, INC. 275731 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 B UNIT C 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275939 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 FARIAS 1108 SACATOSA (SAN MIGUEL #1 SAND) CMR ENERGY, L.P. 209849 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 "A" EF 1H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 257628 FASKEN "A" EF 2H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 260070 FASKEN "A" EF 4H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 260182 FASKEN "A" EF 6H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 271340 FASKEN "A" EF 7H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 271353 FASKEN A 1H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 265550 FASKEN A EF A3 27H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 275562 FASKEN A EF A3 29H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 275485 FASKEN A EF H 28H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 275484 FASKEN AB 9H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 272782 FASKEN AB 20H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 275461 FASKEN AB 21H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 275415 FASKEN AB 22H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 275428 FASKEN AB 23H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 274855 FASKEN A3 3H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 260071 FASKEN A5 5H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 260379 FASKEN B 2H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 261444 FASKEN BCD 10H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 275411 FASKEN BD 14H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 274481 FASKEN BD 15H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 274890 FASKEN BD 16H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 274473 FASKEN C 3H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 266400 FASKEN C 17H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 273615 FASKEN C 18H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 274092 FASKEN C 19H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 274156 FASKEN D 4H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 266354 FASKEN E 5H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 261181 FASKEN EA5 24H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 275982 FASKEN EA5 25H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 275983 FASKEN EA5 26H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 275984 FASKEN F 6H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 263585 FASKEN G 7H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 264180


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ FASKEN H 8H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 265234 FASKEN STATE A 2716 4H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 261445 FASKEN STATE A2718 6H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 267146 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 A2758 9H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269597 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 1613 17H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 276060 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 FINCH, GENE A 3 MINERVA-ROCKDALE AUSTIN ROYAL CORPORATION 098864 FITZSIMMONS "A" 2501 HUGH FITZSIMONS (OLMOS) PRIME OPERATING COMPANY 172350 FITZSIMONS "A" 4212 HUGH FITZSIMMONS (SAN MIGUEL) PRIME OPERATING COMPANY 166532 FIVE C RANCH 5802 GERONIMO CREEK (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 223628 FIVE C RANCH 6301 GERONIMO CREEK (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 207228 FIVE C RANCH 6302 GERONIMO CREEK (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 209676 FLIELLER, JEROME JR. 2 CINDY ANN (AUSTIN CHALK) NORDSTRAND ENGINEERING, INC. 102468 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 FLYING G RANCH 1H INDIO TANKS (PEARSALL) EXCO OPERATING COMPANY, LP 267453 FOGMT 1SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 253236 FOGMT 2SP INDIO TANKS (PEARSALL) ANADARKO E&P ONSHORE LLC 251799 FOGMT 3SH BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 253301 FOGMT 4SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 256723 FOGMT 5SH INDIO TANKS (PEARSALL) ANADARKO E&P ONSHORE LLC 257846 FOGMT 6SH BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266924 FOGMT 7SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264426 FOGMT 8SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268901 FOGMT 9SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268907 FOGMT 10SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270634 FOGMT 11SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270636 FOGMT 12SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271033 FOGMT 13SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269473 FOGMT 14SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269656 FOGMT 15SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271782 FOGMT 16SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271783 FOGMT 17SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271784 FOGMT 18SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275729 FOGMT 19SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275845


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ FOGMT 20SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275893 FOGMT 21SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 276036 FOGMT 22SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275980 FOGMT 23SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275916 FOGMT 24SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271753 FOGMT 25SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271755 FOGMT 26SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271758 FOGMT 27SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271760 FOGMT 28SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274583 FOGMT 29SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274588 FOGMT 30SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274706 FOGMT 31SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274707 FOGMT 32SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274466 FOGMT 33SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273351 FOGMT 34SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273449 FOGMT 35SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273992 FOGMT 36SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274077 FOGMT 37SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274078 FOGMT 38SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275989 FOGMT 43SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 276038 FOGMT 44SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 276039 FOGMT 45SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 276043 FOGMT 46SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 276044 FOGMT E 1SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269717 FOGMT E 2SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269723 FOGMT F 1SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269483 FOGMT G 1SP BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270103 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) BHP BILLITON PET(TXLA OP) CO 266251 FORREST WHEELER 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 267682 FORREST WHEELER 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 268147 FORREST WHEELER 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271584 FORREST WHEELER 5H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273631 FORREST WHEELER 10H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273450 FORREST WHEELER 11H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272330 FORREST WHEELER 13H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273732 FORREST WHEELER 15H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273433 FORREST WHEELER 'B' 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 267466 FORREST WHEELER 'B' 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 267240 FORREST WHEELER 'B' 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 269922 FORREST WHEELER 'B' 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 269630 FORREST WHEELER 'B' 5H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 275895 FORREST WHEELER 'B' 8H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 275137 FORREST WHEELER 'B' 9H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 275142 FORREST WHEELER 'B' 11H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 272626 FORREST WHEELER 'B' 12H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 273206 FORREST WHEELER 'B' 13H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 275158 FORREST WHEELER 'B' 14H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 275159 FOSTER LAS D 2H EAGLEVILLE (EAGLE FORD-1) CHESAPEAKE OPERATING, INC. 275667


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ FOSTER, J. ESTATE 1 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 194970 FOSTER, J. ESTATE 2 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 112232 FOSTER, J. ESTATE 3 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 187454 FOSTER, J. ESTATE 4 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 112234 FOSTER, J. ESTATE 5 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 194975 FOSTER, J. ESTATE 6 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 199448 FOSTER, J. ESTATE 7 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 200718 FOSTER, J. ESTATE 9 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 204700 FOSTER, J. ESTATE 10 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 205322 FOSTER, J. ESTATE 11 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 205803 FOSTER, J. ESTATE 12 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 208947 FOSTER, J. ESTATE 13 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 211029 FOSTER, J. ESTATE 14 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 208733 FOSTER, J. ESTATE 15 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 208720 FOSTER, J. ESTATE 16 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 208735 FOSTER, J. ESTATE 17 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 212533 FOSTER, J. ESTATE 18 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 212595 FOSTER, J. ESTATE 19 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 212615 FOSTER, J. ESTATE 20 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 214734 FOSTER, J. ESTATE 21 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 214736 FOSTER, J. ESTATE 22 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 221125 FOSTER, J. ESTATE 23 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 220386 FOSTER, J. ESTATE 24 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 220589 FOSTER, J. ESTATE 25 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 227615 FOSTER, J. ESTATE 26 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 234701 FOSTER, J. ESTATE 28 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 232748 FOSTER, J. ESTATE 29 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 225002 FOSTER, J. ESTATE 35 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 241884 FOSTER, J. ESTATE 44 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 241827 FOSTER, J. ESTATE 46 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 238840 FOUR SQUARE RANCH 2 HOPKINS (ELLEN) NEWFIELD EXPLORATION COMPANY 199883 FOUR SQUARE RANCH 6 SNAKEBITE (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 206726 FOUR SQUARE RANCH 7 SNAKEBITE (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 193587 FOUR SQUARE RANCH 8 SNAKEBITE (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 193586 FOUR SQUARE RANCH 9 SNAKEBITE (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 200402 FOUR SQUARE RANCH 10 SNAKEBITE (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 205608 FOUR SQUARE RANCH 11 SNAKEBITE (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 208095 FOUR SQUARE RANCH 13T SNAKEBITE (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 214352 FOUR SQUARE RANCH 17H SNAKEBITE (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 226535 FOUR SQUARE RANCH 19H SNAKEBITE (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 243038 FOUR SQUARE RANCH 20 HOPKINS (ELLEN) NEWFIELD EXPLORATION COMPANY 214324 FOUR SQUARE RANCH 23H SNAKEBITE (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 244789 FOUR SQUARE RANCH 62E SNAKEBITE (ELLENBURGER) ENERVEST OPERATING, L.L.C. 200418 FOUR SQUARE RANCH 65E SNAKEBITE (ELLENBURGER) ENERVEST OPERATING, L.L.C. 203499 FOUR SQUARE RANCH 75E SNAKEBITE (ELLENBURGER) ENERVEST OPERATING, L.L.C. 204208 FOUR SQUARE RANCH 072EH SNAKEBITE (ELLENBURGER) ENERVEST OPERATING, L.L.C. 157925 FOUR SQUARE RANCH 0061EH SNAKEBITE (ELLENBURGER) ENERVEST OPERATING, L.L.C. 157235 FOUR SQUARE RANCH 0071HR SNAKEBITE (ELLENBURGER) ENERVEST OPERATING, L.L.C. 157992 FOUR SQUARE RANCH 0073EH SNAKEBITE (ELLENBURGER) ENERVEST OPERATING, L.L.C. 159590 FOUR SQUARE RANCH "A" 0541EH SNAKEBITE (ELLENBURGER) ENERVEST OPERATING, L.L.C. 163552 FOUR SQUARE RANCH "A" 0543E SNAKEBITE (ELLENBURGER) ENERVEST OPERATING, L.L.C. 197032


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ FOUR SQUARE RANCH "A" 0544E SNAKEBITE (ELLENBURGER) ENERVEST OPERATING, L.L.C. 219942 FOUR SQUARE RANCH "B" 543E SNAKEBITE (ELLENBURGER) ENERVEST OPERATING, L.L.C. 203971 FOUR SQUARE RANCH "B" 0542EH SNAKEBITE (ELLENBURGER) ENERVEST OPERATING, L.L.C. 163994 FOWLER, SAN J. 1 ANCHORAGE, SOUTH HAILEY, E. M. 000002 FOXY MARGIE 1 HASKETT, N. (SAN MIGUEL 1ST) THREE ARROW OPERATING COMPANY 155660 FRANKLIN A 1H EAGLEVILLE (EAGLE FORD-1) TALISMAN ENERGY USA INC. 266785 FRANKLIN A 2H EAGLEVILLE (EAGLE FORD-1) TALISMAN ENERGY USA INC. 272754 FRANKLIN A 3H EAGLEVILLE (EAGLE FORD-1) TALISMAN ENERGY USA INC. 272760 FRANKLIN B 1H EAGLEVILLE (EAGLE FORD-1) TALISMAN ENERGY USA INC. 266820 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 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 A359H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 269225 GALVAN RANCH A361H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 267936 GALVAN RANCH A363H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268122 GALVAN RANCH A369H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 272468 GALVAN RANCH A401H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 265240 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 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 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 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 B101H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268492


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ GALVAN RANCH B102H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268493 GALVAN RANCH B103H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268841 GALVAN RANCH B115H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270014 GALVAN RANCH B127H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270012 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 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 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 B327H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271172 GALVAN RANCH B340H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271519 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 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


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ GALVAN RANCH B430H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271538 GALVAN RANCH B432H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271535 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 B454H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 264809 GALVAN RANCH C307H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268446 GALVAN RANCH C310H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273011 GALVAN RANCH C403H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 267049 GALVAN RANCH C409H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271524 GALVAN RANCH C505H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 270186 GALVAN RANCH C517H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273256 GALVAN RANCH C609H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 271944 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 GALVAN RANCH LP 7H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 273836 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 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 GU1 8H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 275120 GALVAN STATE GU2 9H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 275250 GARLAND WESTBROOK 2 JORDAN (NAVARRO B) BUFFCO PRODUCTION INC. 090771 GARNER, TULLY C. 97H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, INC. 254713 GARNER, TULLY C. 100H HAWKVILLE (EAGLEFORD SHALE) EOG RESOURCES, 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 "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 RANCH 1 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 059872 GATES RANCH 3 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 061257 GATES RANCH 10 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 061190 GATES RANCH 1030 CATARINA, SW. (SAN MIGUEL-GAS) LEWIS PETRO PROPERTIES, INC. 080747 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 1225 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 063696 GATES RANCH 1236 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 117968


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ GATES RANCH 2031 CATARINA, SW. (SAN MIGUEL-GAS) LEWIS PETRO PROPERTIES, INC. 078970 GATES RANCH 2063 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 113640 GATES RANCH 2202 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 065516 GATES RANCH 2217 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 071943 GATES RANCH 2218 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 075300 GATES RANCH 2225 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 072909 GATES RANCH 2993 CATARINA, SW. (OLMOS) WHITE OAK OPERATING COMPANY LLC 184190 GATES RANCH 3031 CATARINA, SW. (SAN MIGUEL-GAS) LEWIS PETRO PROPERTIES, INC. 079444 GATES RANCH 3202 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 084933 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 8035 CATARINA, SW. (OLMOS N-3 STRAY) WHITE OAK OPERATING COMPANY LLC 169828 GATES RANCH 8035 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 175384 GATES RANCH "A" 1030 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 191282 GATES RANCH "A" 1207 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 076693 GATES RANCH "A" 1208 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 059990 GATES RANCH "A" 1217 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 061989 GATES RANCH "A" 2203 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 065829 GATES RANCH "A" 2208 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 065101 GATES RANCH "A" 3031 CATARINA, SW. (SAN MIGUEL-GAS) LEWIS PETRO PROPERTIES, INC. 194612 GATES RANCH "A" 3217 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 099402 GATES RANCH "A" 5208 CATARINA, SW. (OLMOS) LEWIS PETRO PROPERTIES, INC. 204706 GATES RANCH "B" 5035 CATARINA, SW. (OLMOS) WHITE OAK OPERATING COMPANY LLC 212612 GATES RANCH "B" 5035 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 112835 GATES RANCH "B" 9035 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 213097 GATES RANCH "K-G" 1207 CATARINA, SW. (OLMOS) U. S. OPERATING, INC. 120940 GATES RANCH "K" 1222 CATARINA, SW. (OLMOS) U. S. OPERATING, INC. 116524 GATES RANCH "K" 1236 CATARINA, SW. (OLMOS) U. S. OPERATING, INC. 127878 GATES RANCH "W" 1234 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 184189 GATES RANCH "W" 6032 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 176245 GATES RANCH B 1995 CATARINA, SW. (OLMOS N-2) WHITE OAK OPERATING COMPANY LLC 140759 GATES RANCH B 4035 CATARINA, SW. (OLMOS N-3 STRAY) WHITE OAK OPERATING COMPANY LLC 139168 GATES RANCH B 1996 1 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 114013 GATES RANCH B 1996 2 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 117042 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 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


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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 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 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 M 1 BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 260483 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 07-DR 1H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 257684


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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 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 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 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 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


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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 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 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 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 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 131H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274598 GATES 11-DR 133H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274927 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 144H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274936


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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 148H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274891 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 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 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 GATES 11-DR GU HH 121H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 276078 GENTRY 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 268153 GENTRY 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 267929 GENTRY 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 268355 GENTRY 5H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 267910 GENTRY 6H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 268356 GENTRY 7H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 268914 GENTRY 8H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 268684 GENTRY 9H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 267109 GENTRY 10 H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 266937 GENTRY 12H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 269138 GENTRY 13H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 268146 GENTRY 18H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 268152 GENTRY 27H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 268689 GENTRY 29H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 268357 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 266972 GEORGE PERKINS ESTATE 1 T PRYOR, EAST (OLMOS) WILLIAMSON OPERATING CO. 100637 GEORGE, W. H. -18- 1 LA ROSITA (GEORGETOWN) GEORGE, W.H. JR. 055329 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) BHP BILLITON PET(TXLA OP) CO 268148 GLADYS WHEELER 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 264460 GLADYS WHEELER 10H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271392 GLADYS WHEELER 11H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272089 GLADYS WHEELER 12H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271234 GLADYS WHEELER A 3H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 266088 GLADYS WHEELER A 5H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 272793 GLADYS WHEELER A 6H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 274717 GLADYS WHEELER A 8H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 273581 GLADYS WHEELER UNIT 5 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270654 GLASS A 2801H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 264690 GLASS A 4501H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 265732


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------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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 HAGIST RANCH -F- 1 LOMA ALTA (WILCOX) CANNAN, MORRIS 000363 HAGIST RANCH -F- 1T LOMA ALTA (WILCOX C) BRITANCO, L.L.C. 127274 HALLIE BLACK "3A" 12 SIMPSON-MANN (CANYON) OCCIDENTAL PERMIAN LTD. 244944 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 HALSELL RANCH -26- 1 PENDENCIA (OLMOS) L-X EXPLORATION, INC. 069796 HALSELL RANCH -30- 1 PENDENCIA (ESCONDIDO) L-X EXPLORATION, INC. 069794 HALSELL, EWING -16- 1 DALE ALLEN (OLMOS) ALLEN, J. D. DRILLING CO., INC. 070605 HALSELL, EWING -9- 1 DALE ALLEN (OLMOS) ALLEN, J. D. DRILLING CO., INC. 070603 HAMILTON 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 273711 HAMILTON 171 H PENA CREEK (GEORGETOWN) HAMILTON, CLAY 251336 HAMMOND, ADA 1 HAMMOND (OLMOS SAND) WILLIAMSON OPERATING CO. 043738 HAMMOND, ADA E. -A- 2 HAMMOND (OLMOS SAND) CARIBBEAN ENERGY, L.L.C. 049117 HARDIN SWD 1 RHODE RANCH, SOUTH (QUEEN CITY) SWIFT ENERGY OPERATING, LLC 176018 HARLAN, R. K. 1 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 069213 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. 12 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 244790 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 1 BUCKLEY (EDWARDS) LEWIS PETRO PROPERTIES, INC. 147413 HARLE 3H EAGLEVILLE (EAGLE FORD-1) LEWIS PETRO PROPERTIES, INC. 269791 HAROLD 1 THIRTEEN, EAST (3650 OLMOS) HAMILTON, CLAY 266558 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


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ HAYES-EZZELL 2 C SAN CAJA (BLOCK 85 SD) COLUMBUS ENERGY, LLC 076713 HAYES-EZZELL 2 T SAN CAJA (BLK 86 SD.) COLUMBUS ENERGY, LLC 076846 HEIM 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 253307 HEIM 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260129 HEIM 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260596 HEIM 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273515 HEIM 5H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273706 HEIM-CRAFT UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 267435 HELEN 1 WHITE KITCHEN (EDWARDS LIME) BHP BILLITON PET(TXLA OP) CO 132515 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) BHP BILLITON PET(TXLA OP) CO 251105 HENDERSON-CENIZO 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 251817 HENDERSON-CENIZO 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 255994 HENDERSON-CENIZO 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 259429 HENDERSON-CENIZO 5H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260173 HENDERSON-CENIZO 6H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260592 HENDERSON-CENIZO UNIT 8 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 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 2 DILWORTH,SOUTHEAST(EDWARDS LIME) SUTTON PRODUCING CORP. 073263 HENRY, ALLYE 3 DILWORTH,SOUTHEAST(EDWARDS LIME) SUTTON PRODUCING CORP. 253461 HENRY, E. M. 1H HENRY DOME (EDWARDS) ALEGRE ENERGY, INC. 074017 HENRY, E. M. 2 HENRY DOME (EDWARDS) ALEGRE ENERGY, INC. 077181 HENRY, J. B. 1H HENRY DOME (EDWARDS) ALEGRE ENERGY, INC. 074935 HENRY, J.B. 7 HENRY (WALES "A" SAND) ACOCK/ANAQUA OPERATING CO., LP 145471 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) GGG OIL COMPANY, LTD. 154999 HERRADURA RANCH 2 HERRADURA (1ST YEGUA) GGG OIL COMPANY, LTD. 154992 HERRADURA RANCH 7 HERRADURA (1ST YEGUA) GGG OIL COMPANY, LTD. 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) GGG OIL COMPANY, LTD. 160067 HERRERA, ADOLPH 1 SOMERSET A&B PIPELINE OF TEXAS, INC. 123906 HESTER 1 LEONA RIVER (ESCONDIDO D-1) CRIMSON EXPLORATION OPER., INC. 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


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ HICKEY 9 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 247403 HIGHWAY 183 SWD 1 EAGLEVILLE (EAGLE FORD-1) PYOTE WELL SERVICE, LLC 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 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) MARSHALL & WINSTON, INC. 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) ENERVEST OPERATING, L.L.C. 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) CARRIZO EXPLORATION, INC. 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


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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 HODGES 1A ROSSER (SERPENTINE) KIDD PRODUCTION CO. 158089 HOLLAND HEIRS GAS UNIT 1 ATLEE (OLMOS) VIRTEX OPERATING COMPANY, INC. 243055 HOLMAN 25 1 FRANCES HILL (PENN, LOWER) GREAT WESTERN DRILLING COMPANY 214576 HOLMAN-FAGAN 2401 FRANCES HILL (PENN, LOWER) MARSHALL & WINSTON, INC. 179953 HOLMAN-FAGAN 2402 FRANCES HILL (PENN, LOWER) MARSHALL & WINSTON, INC. 178560 HOLMAN-FAGAN 4102 FRANCES HILL (PENN, LOWER) MARSHALL & WINSTON, INC. 178562 HOLMAN-FAGAN 4201 FRANCES HILL (PENN, LOWER) MARSHALL & WINSTON, INC. 169830 HOLMAN-FAGAN 4301 FRANCES HILL (PENN, LOWER) MARSHALL & WINSTON, INC. 175139 HOLMAN-FAGAN 4601 FRANCES HILL (PENN, LOWER) MARSHALL & WINSTON, INC. 169643 HOLMAN-FAGAN 4602 FRANCES HILL (PENN, LOWER) MARSHALL & WINSTON, INC. 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) ENERVEST OPERATING, L.L.C. 052690 HOLMAN, W. T. O. 1025 HOLMAN RANCH, N (PENN) ENERVEST OPERATING, L.L.C. 054077 HOPKINS, C. D. -A- 1 ROCKSPRINGS, W. (CANYON) ENERVEST OPERATING, L.L.C. 072157 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, F. B. 2H TILDEN, S. (EDWARDS LIME 11,500) SWIFT ENERGY OPERATING, LLC 243044 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 1 A.W.P. (OLMOS) XTO ENERGY INC. 102520 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) BLUESTONE NATURAL RES. II, LLC 146657 HOUSE 1 JERRY HOUSE (OLMOS) TIZA ENERGY, INC. 074724 HOUSE 1 NUVALCO (ESCONDIDO) TIZA ENERGY, INC. 119855 HOUSE UNIT 1 1H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 269628 HOUSE UNIT 2 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 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 1 BIG FOOT, WEST (GAS) WAYNE E. GLENN ASSOCIATES, INC. 074308 HOWARD, DELLA F. 1 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000034 HOYLE, BILL 1 BIG FOOT, WEST (GAS) MAYO OIL CO. 115916 HUBBARD D 1H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 270436 HUBBARD RANCH 1H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 260060 HUBBARD RANCH D 3H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 271051 HUBERT STONE 01 01H HAWKVILLE (EAGLEFORD SHALE) PIONEER NATURAL RES. USA, INC. 265976 HUFF 1 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 160569 HUFF 1A A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 117344 HUFF 1H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 257695 HUFF 2 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 160964 HUFF 2A A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 117713 HUFF 3 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 161153 HUFF 3A A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 203589 HUFF 4 DILWORTH, SE (WILCOX 5700) SWIFT ENERGY OPERATING, LLC 167868


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ HUFF 5 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 162023 HUFF 6R A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 162498 HUFF 7 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 162262 HUFF 9 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 165199 HUFF 10 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 164614 HUFF 11 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 225013 HUFF 12 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 248150 HUFF 13 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 241826 HUFF 14 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 247637 HUFF 15 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 248932 HUISACHE CATTLE COMPANY B 3H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 264325 HULLABALOO 1 FRANCES HILL (PENN, LOWER) MARSHALL & WINSTON, INC. 171476 HUNT 1 SNAKEBITE (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 208917 HUNT 4402 SNAKEBITE (ELLENBURGER) NEWFIELD EXPLORATION 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) TALISMAN ENERGY USA INC. 271106 J. A. RANCH -L- 3 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 214598 J. A. RANCH -L- L 1 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 206313 J. C. MARTIN 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260265 J. HENDERSON ET AL GU #1 3 WILDCAT XTO ENERGY INC. 174590 JACKSON VESTAL 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 263481 JACKSON, ET AL-EAST UNIT 101H INDIO TANKS (PEARSALL) CABOT OIL & GAS CORPORATION 271067 JACKSON, ET AL-WEST UNIT 101H INDIO TANKS (PEARSALL) CABOT OIL & GAS CORPORATION 270910 JACOBS 1 LEONA RIVER (ESCONDIDO D-1) SHAWNEE OPERATING COMPANY 148045 JAMBERS, GEORGE 1 CROWTHER (5600) REA OIL & GAS, INC. 115182 JC MARTIN 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270871 JC MARTIN 5H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270522 JC MARTIN 6H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270754 JC MARTIN 7H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270784 JC MARTIN 9H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270520


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ JC MARTIN 20H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 274019 JC MARTIN 21H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273503 JC MARTIN 25H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270684 JC MARTIN 26H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270521 JC MARTIN 27H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272994 JC MARTIN 28H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270939 JC MARTIN 29H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270880 JC MARTIN 42H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273480 JCM JR. MINERALS 1H HAWKVILLE (EAGLEFORD SHALE) MATADOR PRODUCTION COMPANY 261087 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 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 JESSEE 1 C DARSEY (SAN MIGUEL-A) GILLEY, SAM D. 105329 JESSEE 1 T DARSEY (SAN MIGUEL-B) GILLEY, SAM D. 105330 JOHNSON 2292 1 HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 256583 JOHNSON, B. K. 5 EL BANO (SAN MIGUEL) PATTERSON ENERGY CORPORATION 114641 JOHNSON, B. K. 9 EL BANO (SAN MIGUEL) PATTERSON ENERGY 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) ENERVEST OPERATING, L.L.C. 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 JUERGENS-FALKNER ET AL UNIT 1 JORDAN (NAVARRO B) BETRO, INC. 092092 K. R. BRACKEN A 1H EAGLEVILLE (EAGLE FORD-1) TALISMAN ENERGY USA INC. 266826 K. R. BRACKEN B 1H EAGLEVILLE (EAGLE FORD-1) TALISMAN ENERGY USA INC. 271669 K. R. BRACKEN B 2H EAGLEVILLE (EAGLE FORD-1) TALISMAN ENERGY USA INC. 271717 K. R. BRACKEN B 3H EAGLEVILLE (EAGLE FORD-1) TALISMAN ENERGY USA INC. 271637 K. R. BRACKEN B 4H EAGLEVILLE (EAGLE FORD-1) TALISMAN ENERGY USA INC. 271056 KAIN 1 BIG FOOT KAIN PETROLEUM, LLC 090535 KAREN WHEELER 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 266131 KAREN WHEELER 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 268411 KAREN WHEELER UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270652


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ KAREN WHEELER UNIT 1 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273535 KAREN WHEELER UNIT 1 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273420 KAREN WHEELER UNIT 2 1H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 274701 KAREN WHEELER UNIT 2 2H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 272014 KELLNER ET AL G. U. 4 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 186744 KELLNER ET AL GAS UNIT 2 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 111692 KENILWORTH A 1 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 157613 KHC SWD 2 DILWORTH (EDWARDS LIME) OILFIELD WASTE SOLUTIONS, LLC 275813 KIEFER 2 HURTA HILL (2920) WILLIAMSON OPERATING CO. 129283 KIEFER 3 HURTA HILL (2920) WILLIAMSON OPERATING CO. 122203 KIEFER, CHESTER 8A KIEFER RANCH (TAYLOR) REGENCY ENERGY, INC. 128794 KIEFER, CHESTER 9 KIEFER RANCH (TAYLOR) REGENCY ENERGY, INC. 127762 KIEFER, CHESTER 10 KIEFER RANCH (TAYLOR) REGENCY ENERGY, INC. 127763 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 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) BHP BILLITON PET(TXLA OP) CO 268143 KOCIAN UNIT 2 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 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


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ KORZEKWA 1 HELMS (4200) PREVAIL ENERGY, INCORPORATED 171118 KOTHMAN 1629H PENA CREEK (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 212844 KOTHMAN 1673H PENA CREEK (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 200741 KOTHMAN 1674H PENA CREEK (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 223793 KOTHMAN 1675H PENA CREEK (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 202114 KOTHMAN 1691H PENA CREEK (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 202947 KOTHMAN 2691 H PENA CREEK (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 210715 KOTHMAN, I. O. K. 1 PENA CREEK (OLMOS 2350) ENERGYQUEST II, LLC 124152 KOTHMAN, I.O.K. 25 PENA CREEK (OLMOS 2350) ENERGYQUEST II, 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 KRUEGER, MORRIS 1 WILDCAT HIDALGO EXPLORATION & PROD. CO. 239652 KRUGER 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 263317 KYNETTE, P. 9 CAMPANA, SOUTH (1700) ATLAS OPERATING LLC 157630 KYNETTE, P. 29 CAMPANA, SOUTH (1500) ATLAS OPERATING LLC 121180 L. F. PUIG III GAS UNIT (EF) 1H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY 264559 L. F. PUIG III GAS UNIT 2 (EF) 2H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY 266248 L. S. MCCLAUGHERTY GU 1 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 178529 LA BANDERA RANCH 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 254472 LA BANDERA RANCH 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267439 LA BANDERA RANCH 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266869 LA BANDERA RANCH 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266891 LA BANDERA RANCH 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267389 LA BANDERA RANCH UNIT A 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269960 LA BANDERA RANCH UNIT A 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272477 LA BANDERA RANCH UNIT A 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272839 LA BANDERA RANCH UNIT A 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272840 LA CRUZ LAND GAS UNIT 1 (EF) 1H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY 261632 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 PALOMA 172 CHITTIM (5600) NEWFIELD EXPLORATION COMPANY 066184 LA PALOMA 184 CHITTIM, W. (RODESSA 5500) NEWFIELD EXPLORATION COMPANY 144917 LA PALOMA 284 CHITTIM (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 151622 LA PALOMA 384 CHITTIM (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 151561 LA PALOMA 2132 CHITTIM (5600) NEWFIELD EXPLORATION COMPANY 112421 LA PALOMA 8201A CHITTIM (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 112956 LA SALLE SWD 3 ARTESIA WELLS, W. (WILCOX 3630) BLACKWATER SWD, LLC 272907 LACKLAND AFB 1 LACKLAND (HOSSTON) GEOTHERMAL U.S. GOVT. USAF ATC LACKLAND AFB 110903 LANHAM, B. C. 1 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000036 LARRY MILES 1H HAWKVILLE (EAGLEFORD SHALE) MURPHY EXPL. & PROD. CO. - USA 269445 LARRY MILES 1V DAN COBBS (WILCOX, LO.) MURPHY EXPL. & PROD. CO. - USA 268955


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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 LASALLE SWD 1 ARTESIA WELLS, W. (WILCOX 3630) BLACKWATER SWD, LLC 263709 LASALLE SWD 2 ARTESIA WELLS, W. (WILCOX 3630) BLACKWATER SWD, LLC 264706 LASITER-WOOD ET AL UNIT 1 PEARSALL (AUSTIN CHALK) TEXAS AMERICAN RESOURCES COMPANY 257597 LATHAM-MCKNIGHT 114 WILDCAT EL TORO RESOURCES LLC 259974 LATHAM-MCKNIGHT 127H WILDCAT NEWFIELD EXPLORATION COMPANY 230354 LAUREL, F. D. 21H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 270525 LAYTON "A" 3H HAWKVILLE (EAGLEFORD SHALE) XTO ENERGY INC. 260178 LEDDY 1 LOS CUATROS (LOWER CRETACEOUS) XOG OPERATING LLC 171076 LEONARD 4201 LANGTRY (CANYON) RIO-TEX, INC. 189622 LEONARD 4203 LANGTRY (CANYON) RIO-TEX, INC. 193206 LEONARD G.U. 37-1 2 LANGTRY (CANYON) NEWFIELD EXPLORATION COMPANY 194614 LESTER OL 1H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 260169 LEVINE, BEN 5701 EL INDIO, N.(OLMOS) WILLIAMSON OPERATING CO. 118190 LEWIS 1203 RIMROCK (CANYON 4600) RIO-TEX, INC. 205966 LEWIS 2701 RIMROCK (CANYON 4600) RIO-TEX, INC. 205627 LEYENDECKER-HUNTER 1377 1H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 263558 LEYENDECKER-HUNTER 1377 3H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 268833 LEYENDECKER-HUNTER 1377 5H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 270667 LEYENDECKER-HUNTER 1377 7H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 270870 LEYENDECKER-HUNTER 1377 8H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 270575 LEYENDECKER-HUNTER 1377 9H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 270559 LEYENDECKER-HUNTER 1377 10H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274262 LEYENDECKER-HUNTER 1377 GU 2H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 265554 LEYENDECKER-HUNTER 1377 GU 6H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 270798 LIEKE, OTTO 3 FASHING (EDWARDS LIME -A-) SNG OPERATING, LLC 169396 LIFE SCIENCE CHURCH 9152 APPURCEON (OLMOS) TARINA OIL COMPANY 092036 LIGHT (CHAP)-BRIGGS (SA) A 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 270272 LIGHT (CHAP)-BRIGGS (SA) I 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 272370 LIGHT (CHAP)-BRIGGS (SA) I 3H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 272366 LIGHT RANCH 3 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 269332 LIGHT RANCH 4 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 269333 LIGHT RANCH 7 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 274432 LIGHT RANCH 8 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 274263 LIGHT RANCH 345H BRISCOE RANCH (EAGLEFORD) TALISMAN ENERGY USA INC. 267203 LIGHT RANCH 346H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 266326 LIGHT RANCH G 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 271155 LIGHT RANCH Y 3H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 270433 LIGHT, GEORGE III 1 ARTESIA WELLS, W. (WILCOX 3630) J-W OPERATING CO. 043742 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 2A ARTESIA WELLS, W. (WILCOX 3630) TIGER OIL & GAS CO. 045494 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) SLAWSON EXPLORATION COMPANY, INC 124558 LINDHOLM C S 1A RHODE (10,600 WILCOX) COLUMBUS ENERGY, LLC 112239 LINDHOLM C S GAS UNIT 4 RHODE (10,600 WILCOX) COLUMBUS ENERGY, LLC 134358 LINDHOLM C S GAS UNIT 5 RHODE (10,600 WILCOX) COLUMBUS ENERGY, LLC 136506


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ LINDHOLM C S GAS UNIT 7 RHODE (10,600 WILCOX) COLUMBUS ENERGY, LLC 144622 LINDHOLM FEE 1 WISHBONE, EAST (HOUSE 1) BLUESTONE NATURAL RES. II, LLC 215022 LINDHOLM GAS UNIT 1 HOSTETTER (WILCOX 10,000) BLUESTONE NATURAL RES. II, LLC 167676 LINDHOLM GU 86 1 RHODE (7300) COLUMBUS ENERGY, LLC 221358 LINDHOLM GU 86 1 RHODE RANCH (WILCOX 1ST 7300) COLUMBUS ENERGY, LLC 213924 LINDHOLM 84 1 RHODE RANCH, W. (MH-1) COLUMBUS ENERGY, LLC 175754 LINDHOLM 86 1 RHODE RANCH, W. (HOUSE 9100) COLUMBUS ENERGY, LLC 150609 LINDHOLM 86-1 2 RHODE RANCH, W. (MH-1) COLUMBUS ENERGY, LLC 220976 LINDHOLM-HANSON GAS UNIT 7 WILDCAT BLUESTONE NATURAL RES. II, LLC 211602 LINDHOLM-HANSON GAS UNIT 9 RHODE RANCH, W. (1ST MASSIVE) BLUESTONE NATURAL RES. II, LLC 274389 LINDHOLM-HANSON GAS UNIT 11 WISHBONE, EAST (HOUSE 2) BLUESTONE NATURAL RES. II, LLC 215680 LINDHOLM-HANSON GU 1 WISHBONE, WEST (HOUSE 1) BLUESTONE NATURAL RES. II, LLC 225154 LINDHOLM-HANSON GU 2 BRAZIL (WILCOX) BLUESTONE NATURAL RES. II, LLC 241828 LINDHOLM-HANSON GU 3 WISHBONE, WEST (HOUSE 1) BLUESTONE NATURAL RES. II, LLC 251859 LINDHOLM-HANSON GU 4C WISHBONE (UPPER HOUSE) BLUESTONE NATURAL RES. II, LLC 214307 LINDHOLM-HANSON GU 4T WISHBONE (HOUSE 3) BLUESTONE NATURAL RES. II, LLC 207366 LINDHOLM-HANSON GU 5 WISHBONE (UPPER HOUSE) BLUESTONE NATURAL RES. II, LLC 208364 LINDHOLM-HANSON GU 8 BRAZIL, SW. (HOSTETTER) BLUESTONE NATURAL RES. II, LLC 227813 LINDHOLM-HANSON GU 10 WISHBONE, EAST (HOUSE 3) BLUESTONE NATURAL RES. II, LLC 215494 LINDHOLM, C. S. GAS UNIT 6 RHODE (10,600 WILCOX) COLUMBUS ENERGY, LLC 144901 LINDHOLM, R. G. 1 RHODE (10,600 WILCOX) COLUMBUS ENERGY, LLC 112584 LLOYD BRISCOE 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273187 LLOYD BRISCOE 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273188 LLOYD BRISCOE 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273189 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 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 LONE OAK 1 ROBLE SOLO (CANYON) GREAT NORTHERN ENERGY, INC 182824 LONE OAK 2 ROBLE SOLO (CANYON) GREAT NORTHERN ENERGY, INC 183390 LONE OAK 3 ROBLE SOLO (CANYON) GREAT NORTHERN ENERGY, INC 183392 LONE OAK 4R ROBLE SOLO (CANYON) GREAT NORTHERN ENERGY, INC 187462 LONE STAR UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 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 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 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 LORETTA 1 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 182450


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ LOS CUATROS 1H LOS CUATROS (LOWER CRETACEOUS) ATERRA EXPLORATION, LLC 272029 LOWE 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 257538 LOWE 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 258750 LOWE 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 257679 LOWE 5H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273576 LOWE 13H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272115 LOWE 14H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272736 LOWE 15H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272582 LOWE 17H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272340 LOWE 18H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273564 LOWE 19H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273561 LOWE 28H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272349 LOWE-DONNELL 1 WILDCAT GULFTEX ENERGY III, LP 243070 LOWRY 7241 TRI BAR (OLMOS) VIRTEX OPERATING COMPANY, INC. 243840 LOWRY UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270941 LOWRY UNIT 2 1H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 271140 LYLES, LORA 5 LYLES RANCH (OLMOS) B-G OPERATING INC. 107191 LYLES, LORA 7 LYLES RANCH (ESCONDIDO) WILLIAMSON OPERATING CO. 082272 LYLES, LORA 10 LYLES RANCH (OLMOS) WILLIAMSON OPERATING CO. 084885 LYLES, LORA 11 LYLES RANCH (OLMOS) WILLIAMSON OPERATING CO. 084886 LYSSY 4 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 168687 LYSSY 5 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 168689 LYSSY "C" 5 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 168674 LYSSY "72" 28 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 163199 LYSSY "8" 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 168684 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 GU B 7H TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 272514 LYSSY 67 2 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 160870 LYSSY 67 6 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 161091 LYSSY 67 7 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 163066 LYSSY 67 8 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 181197 LYSSY 67 21 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 168695 LYSSY 686 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 224976 LYSSY 686 2 LYSSY RANCH (OLMOS-ESCONDIDO) LEWIS PETRO PROPERTIES, INC. 185417 LYSSY 69 9 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 163931 LYSSY 69 29 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 162997 LYSSY 69 31 TRI BAR, NORTH (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 6 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 168683 LYSSY 71 9 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 168681 LYSSY 71 12 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 168679 LYSSY 71 14 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 168678 LYSSY 71 25 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 242027 LYSSY 71 26 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 247486 LYSSY 711 3 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 160172


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ LYSSY 72 7 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 160605 LYSSY 72 10 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 160973 LYSSY 72 16A TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 161132 LYSSY 745 35 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 251759 LYSSY 76 1/2 8 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 161133 LYSSY 76.5 11 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 162070 LYSSY 8 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 159831 M & M 3 ENCINAL (5800) LEWIS PETRO PROPERTIES, INC. 156697 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. G. LILLIE 1615 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 270529 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 MAKOFSKI, ET AL 1 PEACH CREEK (AUSTIN CHALK) DIAMOND M DRLG & EXPL CO. 271889 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 267721 MANN-MCDONALD 0051EH KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 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) ENERVEST OPERATING, L.L.C. 260093 MARLEY '68' 1H MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 166947 MARLEY, JESS 1 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 101428 MARLEY, JESS 3 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 173849 MARLEY, JESS 4 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 173846 MARLEY, JESS "B" 1 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 151313 MARLEY, JESS "B" 2RH MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 160077 MARRS MCLEAN UNIT 1 DOERING RANCH (GEORGETOWN) VIRTEX OPERATING COMPANY, INC. 259992 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 MARSHALL 1 WILDCAT MEGAWEST ENERGY TEXAS CORP. 255307 MARTIN 2 HOSTETTER (WILCOX 14800) CAMDEN RESOURCES, LLC 257609 MARTIN "A" 1 COOKE (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 165508 MARTIN DEEP GAS UNIT 1 HOSTETTER (WILCOX 10,000 LOWER) CAMDEN RESOURCES, LLC 197621 MARTIN DIM A 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, INC. 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) BHP BILLITON PET(TXLA OP) CO 251771 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 A2801 GU 5H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 274571


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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, INC. 275866 MARTIN UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 257955 MARTIN UNIT 2 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 257680 MARTIN 60 GAS UNIT 1 C BONNE TERRE (10600) COLUMBUS ENERGY, LLC 128315 MARTIN 60 GAS UNIT 1 T BONNE TERRE (MIDDLE HOUSE 8) COLUMBUS ENERGY, LLC 128518 MARTIN 60 GAS UNIT 2 BONNE TERRE (9800) COLUMBUS ENERGY, LLC 143064 MARTIN 60 GAS UNIT 2 BONNE TERRE (10400) COLUMBUS ENERGY, LLC 198501 MARTIN 60 GAS UNIT 3 BONNE TERRE (10770) COLUMBUS ENERGY, LLC 129746 MARTIN-STATE 1 CAMPANA, SOUTH (WILCOX 10,200) HURD ENTERPRISES, LTD. 261832 MARTIN-STATE A2737 G. U. 4H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 275672 MARTIN, ALBERT MINERAL TRUST 1 COOKE (EDWARDS LIME) SUTTON PRODUCING CORP. 150288 MARTIN, ALBERT MINERAL TRUST 1 COOKE (WILCOX 4600) SUTTON PRODUCING CORP. 176727 MARTIN, ALBERT MINERAL TRUST 2 COOKE (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 151682 MARTIN, ALONZO 1 DILWORTH (EDWARDS LIME) ASHER RESOURCES 082143 MARTIN, DORA 1 HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 251776 MARTIN, DORA 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 254843 MARTIN, DORA 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 257263 MARTIN, DORA 5H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 257862 MARTIN, DORA 1716 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 251816 MARTIN, J. C. 1 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 187442 MARTIN, J. C. 1A SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 187451 MARTIN, J. C. 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 259550 MARTIN, J. C. 4 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 193177 MARTIN, J. C. 5 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 193493 MARTIN, J. C. 6 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 197267 MARTIN, J. C. 7 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 199445 MARTIN, J. C. 8 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 193174 MARTIN, J. C. 9 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 203292 MARTIN, J. C. 10 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 208727 MARTIN, J. C. 11 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 210851 MARTIN, J. C. 12 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 212162 MARTIN, J. C. 13 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 212613 MARTIN, J. C. 14 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 220719 MARTIN, J. C. 16 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 227670 MARTIN, J. C. 17 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 227146 MARTIN, J. C. 18 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 229807 MARTIN, J. C. 19 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 230551 MARTIN, J. C. 21 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 251752 MARTIN, R.J. 2H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 266873 MATRIX LAND CO 11H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES II, LLC 255147 MATTHEWS, NED 15 C PRYOR RANCH, WEST (OLMOS) WILLIAMSON OPERATING CO. 074934


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ MATULA, ROBERT 1A DEBBY (GOV'T WELLS) TEXAS SECONDARY OIL CORPORATION 147066 MAUND RANCH 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260507 MAUND RANCH 19 UNIT 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264039 MAUND RANCH 19 UNIT 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268341 MAUND RANCH 19 UNIT 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268309 MAUND RANCH 19 UNIT 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272617 MAUND RANCH 19 UNIT 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272841 MAUND RANCH 23 UNIT 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272571 MAUND RANCH 23 UNIT 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272808 MAUND RANCH 23 UNIT 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273065 MAUND RANCH 23 UNIT 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272810 MAUND RANCH 23 UNIT 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272811 MAUND RANCH 23 UNIT 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272814 MAUND RANCH 23 UNIT 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272821 MAUND RANCH 23 UNIT 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272822 MAUND RANCH 23 UNIT 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272823 MAUND RANCH 23 UNIT 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271982 MAUND RANCH 23 UNIT 11H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272824 MAUND RANCH 23 UNIT 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274024 MAUND RANCH 26 UNIT 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275087 MAUND RANCH 26 UNIT 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275221 MAUND RANCH 26 UNIT 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275055 MAUND RANCH 26 UNIT 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275088 MAUND RANCH 26 UNIT 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275387 MAUND RANCH 26 UNIT 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275650 MAUND RANCH 26 UNIT 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275802 MAUND RANCH 26 UNIT 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275803 MAUND RANCH 26 UNIT 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275806 MAUND RANCH 26 UNIT 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275807 MAUPIN UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 267738 MAVERICK COUNTY 2 LOS CUATROS (LOWER CRETACEOUS) QUATRO OIL AND GAS, INC. 076701 MAVERICK COUNTY 3 LOS CUATROS (LOWER CRETACEOUS) XOG OPERATING LLC 075783 MAVERICK COUNTY 5 LOS CUATROS (LOWER CRETACEOUS) XOG OPERATING LLC 075785 MAVERICK COUNTY WATER BOARD 1 SERBAN (CRETACEOUS LO.) XOG OPERATING LLC 075507 MAYER EDWIN S JR 27 4 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 258378 MAYER EDWIN S JR 27 14 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 270786 MAYER RANCH 35 11 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 243042 MAYER RANCH 35 13 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 252909 MAYER RANCH 40 8 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 257561 MAYER RANCH 40 9 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 255154 MAYER RANCH 40 10 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 255155 MAYER RANCH 40 11 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 243708 MAYER RANCH 40 13 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 265902 MAYER RANCH 41 3 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 255293 MAYER RANCH 41 4 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 255250 MAYER, EDWIN S. JR. "E" 13 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 258467 MAYER, EDWIN S. JR. N 14 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 251673 MAYER, EDWIN S. JR. 27 2 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 258569 MAYER, EDWIN S. JR. 27 3 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 258501 MAYFIELD "A" 1 MAYFIELD RANCH (ELLENBURGER) BROWER OIL & GAS CO., INC. 224626 MAYFIELD "A" 2H FRANCES HILL (PENN, LOWER) BROWER OIL & GAS CO., INC. 265909


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ MAYFIELD "A" 2H MAYFIELD RANCH (ELLENBURGER) BROWER OIL & GAS CO., INC. 231908 MAYFIELD "E" 1 MAYFIELD RANCH (ELLENBURGER) BROWER OIL & GAS CO., INC. 224889 MAYFIELD "206" 1H MAYFIELD RANCH (ELLENBURGER) BROWER OIL & GAS CO., INC. 230353 MCANELLY, G. C. 3 ADAMS (OLMOS NAVARRO) ACTIVA RESOURCES, LLC 233334 MCARTY 1 M.E.G. (OLMOS 3900) BELLOWS OPERATING CO., L. C. 271223 MCCLAUGHERTY 121A EAGLEVILLE (EAGLE FORD-1) TALISMAN ENERGY USA INC. 267349 MCCLAUGHERTY 122A EAGLEVILLE (EAGLE FORD-1) TALISMAN ENERGY USA INC. 266792 MCCLAUGHERTY UNIT 1H EAGLEVILLE (EAGLE FORD-1) XTO ENERGY INC. 265596 MCCLAUGHERTY UNIT 2H EAGLEVILLE (EAGLE FORD-1) XTO ENERGY INC. 265628 MCCLAUGHERTY UNIT 3H EAGLEVILLE (EAGLE FORD-1) XTO ENERGY INC. 265607 MCCLAUGHERTY UNIT 4H EAGLEVILLE (EAGLE FORD-1) XTO ENERGY INC. 265611 MCCLAUGHERTY UNIT 5H EAGLEVILLE (EAGLE FORD-1) XTO ENERGY INC. 265613 MCCLAUGHERTY, I. O. 1ST A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 110829 MCCLAUGHERTY, I. O. 2 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 114100 MCCLAUGHERTY, I. O. 5 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 160946 MCCLAUGHERTY, I. O. 6 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 168807 MCCLAUGHERTY, I. O. "A" 1 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 114489 MCCLAUGHERTY, I.O. 3 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 214242 MCCLAUGHERTY, I.O. "A" 2 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 212095 MCCLAUGHERTY, L. S. 4 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 108827 MCCLAUGHERTY, L. S. 5 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 108342 MCCLAUGHERTY, L. S. 6 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 110828 MCCLAUGHERTY, L. S. 7 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 114260 MCCLAUGHERTY, L. S. 8 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 112423 MCCLAUGHERTY, L. S. 9 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 138511 MCCLAUGHERTY, L. S. 11 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 142206 MCCLAUGHERTY, L. S. 12 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 144631 MCCLAUGHERTY, L. S. 13 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 144632 MCCLAUGHERTY, L. S. 14 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 153451 MCCLAUGHERTY, L. S. 15 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 155322 MCCLAUGHERTY, L. S. 16 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 243060 MCCLAUGHERTY, L. S. "A" 12 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 142648 MCDOWELL, E. T. 4 CAMPANA, S. (9600 SAND) TOMAHAWK PETROLEUM 095835 MCKEAN, A. J. & J. M. 29 LULING-BRANYON (1700) TEXAS PETROLEUM INVESTMENT CO. 178403 MCKNIGHT POOLED UNIT 1 EPPERSON (CANYON SAND) BETTIS, BOYLE & STOVALL 185797 MEADOR 1451 1H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 270931 MEADOR 1451 3H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 271560 MEADOR 1451 4H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 273616 MEADOR 1451 5H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 275761 MEADOWS 1101 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 166557 MEADOWS 1102 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 169107 MEADOWS 1103 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 173134 MEADOWS 1104 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 177153 MEADOWS 1105 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 181815 MEADOWS 1106 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 185983 MEADOWS 1107 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 197265 MEADOWS 1108 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 222228 MEADOWS 1172 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 166706 MEADOWS 1173 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 189039 MEADOWS 1174 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 177476 MEADOWS 1175 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 179294


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ MEADOWS 1176 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 183915 MEADOWS 1177 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 193488 MEADOWS 1181 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 168658 MEADOWS 1182R SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 191348 MEADOWS 1183 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 169832 MEADOWS 1184 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 171115 MEADOWS 1186 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 173132 MEADOWS "8" 1 SIMPSON-MANN (CANYON) SILVER OIL & GAS INC. 162619 MEADOWS-STATE 10 1 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 160610 MEADOWS-STATE 10 2 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 161273 MEADOWS-STATE 10 3 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 161274 MEADOWS-STATE 10 4 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 161275 MEADOWS-STATE 10 5 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 161570 MEADOWS-STATE 10 6 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 161633 MEADOWS-STATE 10 7 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 232712 MEADOWS-STATE 10 8 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 232713 MEADOWS-STATE 10 9 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 232693 MEADOWS-STATE 12 1 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 162577 MEADOWS-STATE 2 1 SIMPSON-MANN (CANYON) TEMA OIL AND GAS COMPANY 160611 MEDINA STATION 1 CROSS-S-RANCH (ELAINE) EL INDIO OPERATING CO., INC. 122482 MEDINA, L. ET AL 1 FAIRFIELD FAR, INC. 087600 MERCER, ALF 29 LULING-BRANYON (1700) TEXAS PETROLEUM INVESTMENT CO. 064769 MERCER, MATTIE 15 LULING-BRANYON (1700) TEXAS PETROLEUM INVESTMENT CO. 074323 MEUTH, WILLIAM 3 BENTON CITY (OLMOS) REGENCY ENERGY, INC. 132128 MEYERS SWD 2 MARTIN RANCH (EDWARDS) CARRIZO (EAGLE FORD) LLC 275272 MEYERS, J. S. ET AL 304 PENA CREEK (OLMOS 2400) ENERGYQUEST II, LLC 126378 MIDDLETON-SACHS A UNIT 12H EAGLEVILLE (EAGLE FORD-1) CARRIZO (EAGLE FORD) LLC 273725 MIL ANGELES 1 ENCINAL (5800) LEWIS PETRO PROPERTIES, INC. 251273 MIL ANGELES 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 253309 MILBY 2 NIKOMA (SANMIGUEL "D" BLK. A) PATTERSON ENERGY CORPORATION 141477 MILBY 4 NIKOMA (SANMIGUEL "D" BLK. A) PATTERSON ENERGY CORPORATION 141578 MILBY 1 A NIKOMA (SANMIGUEL "D" BLK. A) PATTERSON ENERGY CORPORATION 141475 MILES, GEORGE 1H HAWKVILLE (EAGLEFORD SHALE) MURPHY EXPL. & PROD. CO. - USA 257317 MILLS 1 WILL O. (ELLENBURGER) XTO ENERGY INC. 068565 MILLS 218 WILL O. (WOLFCAMP) WOLFCAMP ENERGY, LLC 074939 MILLS -128- 1 PANDALE (CANYON SAND) TIDWELL PRODUCTION COMPANY 071142 MILLS -129- 1 PANDALE (CANYON SAND) TIDWELL PRODUCTION COMPANY 066927 MILLS -18- 1 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 074328 MILLS "15" 2 WILL O. (WOLFCAMP) WILLO OIL & GAS EXPLORATION, LLC 208280 MILLS "15" 3 WILL O. (WOLFCAMP) ARLEDGE GAS GATHERING, LP 212887 MILLS "16" 1 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 226608 MILLS "18" 3 WILL O. (WOLFCAMP) WILLO OIL & GAS EXPLORATION, LLC 210843 MILLS "36" 1 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 221692 MILLS "36" 2 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 255988 MILLS MIN. TRUST G. U. NO. 1 1 WILL O. (ELLENBURGER) FORTUNE RESOURCES LLC 094155 MILLS MINERAL TRUST 1 WILL O. (ELLENBURGER) ARLEDGE GAS GATHERING, LP 063679 MILLS MINERAL TRUST "B" 1 WILL O. (ELLENBURGER) FORTUNE RESOURCES LLC 094437 MILLS TRUST "126" 3 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 209207 MILLS TRUST "19" 1 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 196157 MILLS TRUST "19" 2 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 203296 MILLS TRUST "19" 4 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 208530


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ MILLS TRUST "19" 5 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 211333 MILLS TRUST "19" 6 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 203274 MILLS TRUST "19" 7 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 203272 MILLS TRUST "19" 9 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 212160 MILLS TRUST "19" 10 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 209736 MILLS 16 2 WILL O. (WOLFCAMP) ARLEDGE GAS GATHERING, LP 243037 MILLS 19 3 PANDALE (CANYON SAND) LEGACY RESERVES OPERATING LP 202986 MITCHELL 10 1 SIMPSON-MANN (CANYON) OZTX OIL & GAS, L.L.C. 160348 MITCHELL, MYRTLE 2 SIMPSON-MANN (CANYON) WTG EXPLORATION 176092 ML MARTIN-STATE A2803 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 261084 MOBIL MILLS "40" 1 WILL O. (STRAWN) ARLEDGE GAS GATHERING, LP 165374 MONNICH GAS UNIT 1H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 264756 MOODY 1 CAMPANERO (CANYON) RIO-TEX, INC. 076843 MOODY 1C CAMPANERO, N. (CANYON) PENWELL ENERGY, INC. 146202 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 1003 CAMPANERO (CANYON) PENWELL ENERGY, INC. 164371 MOODY, DENMAN 7 CAMPANERO (CANYON) RIO-TEX, INC. 085505 MORENO-FARRELL A UNIT A 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 271661 MORENO-FARRELL B UNIT B 1H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 271190 MORGAN ET AL 1 CARRIZO, S. (OLMOS 2700) KYPO EAGLE ONE SERVICES, LLC 272524 MORGAN, ADA 1 JORDAN (NAVARRO B) SHOREHAM OIL & GAS COMPANY, INC. 073267 MORGENSTERN-FASKEN STATE GU 2H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 272495 MORO CREEK 1 INDIO TANKS (PEARSALL) NEWFIELD EXPLORATION COMPANY 260277 MORO CREEK 2401H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 271797 MORO CREEK 3301H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 265723 MORO CREEK 3302H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 265724 MORO CREEK 3303H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 265722 MORO CREEK 3304H BRISCOE RANCH (EAGLEFORD) NEWFIELD EXPLORATION COMPANY 272274 MORO CREEK RANCH 3 CATCLAW (OLMOS) MCR OPERATING GROUP 138912 MORRILL 1R GAS-X, S, (WALES) CATHEXIS OIL & GAS, LLC 223428 MORRILL 1X GAS-X, SHALLOW (CARRIZO) OMEGA ENERGY, LLC 220046 MORRILL 9 GAS-X, S, (WALES) CATHEXIS OIL & GAS, LLC 212569 MORRILL SLIGO 1 CHOKE CANYON (SLIGO) CSL EXPLORATION, LP 220585 MORRISS 83 2 HOLMAN RANCH, N (PENN) ENERVEST OPERATING, L.L.C. 054295 MORRISS 84 2 HOLMAN RANCH, N (PENN) ENERVEST OPERATING, L.L.C. 054297 MORRISS 84 3 HOLMAN RANCH, N (PENN) ENERVEST OPERATING, L.L.C. 068479 MORRISS 84 4 HOLMAN RANCH, N (PENN) ENERVEST OPERATING, L.L.C. 085892 MORRISS 84 5 HOLMAN RANCH, N (PENN) ENERVEST OPERATING, L.L.C. 162037 MOSLEY, W. A. 1 JORDAN (NAVARRO B) BETRO, INC. 086907 MOZELLE-SELF GAS UNIT 3 HOSTETTER (WILCOX 9400) BLUESTONE NATURAL RES. II, 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


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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 MSP 145 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264248 MSP 146 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264249 MSP 147 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264565 MSP 148 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264567 MSP 149 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264568 MSP 150 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264569 MSP 151 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264575 MSP 152 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264577 MSP 153 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264578 MSP 154 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264579 MSP 155 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264580


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ MSP 156 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264581 MSP 157 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264582 MSP 158 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264583 MSP 159 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264584 MSP 160 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264585 MSP 161 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264586 MSP 162 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264587 MSP 163 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264589 MSP 164 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264610 MSP 165 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264611 MSP 166 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264612 MSP 167 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264613 MSP 168 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264614 MSP 169 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264615 MSP 170 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264616 MSP 171 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264617 MSP 172 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264618 MSP 173 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264620 MSP 174 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264621 MSP 175 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264622 MSP 176 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264623 MSP 177 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264624 MSP 178 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264625 MSP 179 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264626 MSP 180 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264627 MSP 181 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264628 MSP 182 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264629 MSP 183 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264630 MSP 184 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264631 MSP 185 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264632 MSP 186 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264634 MSP 187 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264635 MSP 188 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264637 MSP 189 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264638 MSP 190 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264639 MSP 191 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264640 MSP 192 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264656 MSP 193 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264657 MSP 194 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264659 MSP 195 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264660 MSP 196 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264661 MSP 197 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264662 MSP 198 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264663 MSP 199 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264664 MSP 200 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264665 MSP 201 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264666 MSP 202 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264667 MSP 203 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264668 MSP 204 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264669 MSP 205 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264670 MSP 206 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264671


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ MSP 207 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264672 MSP 208 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264673 MSP 209 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264675 MSP 210 WILDCAT CHESAPEAKE OPERATING, L.L.C. 264676 MSP 211 WILDCAT CHESAPEAKE OPERATING, L.L.C. 266837 MSP 213 WILDCAT CHESAPEAKE OPERATING, L.L.C. 265149 MSP 214 WILDCAT CHESAPEAKE OPERATING, L.L.C. 265211 MSP 215 WILDCAT CHESAPEAKE OPERATING, L.L.C. 265215 MSP 216 WILDCAT CHESAPEAKE OPERATING, L.L.C. 265216 MSP 217 WILDCAT CHESAPEAKE OPERATING, L.L.C. 265217 MSP 218 WILDCAT CHESAPEAKE OPERATING, L.L.C. 265218 MSP 219 WILDCAT CHESAPEAKE OPERATING, L.L.C. 265230 MSP 220 WILDCAT CHESAPEAKE OPERATING, L.L.C. 265259 MSP 221 WILDCAT CHESAPEAKE OPERATING, L.L.C. 265260 MSP 222 WILDCAT CHESAPEAKE OPERATING, L.L.C. 265261 MSP 223 WILDCAT CHESAPEAKE OPERATING, L.L.C. 265262 MSP 224 WILDCAT CHESAPEAKE OPERATING, L.L.C. 265265 MUMME RANCH 20H EAGLEVILLE (EAGLE FORD-1) CARRIZO (EAGLE FORD) LLC 262592 MURAIRA, GARCIA 1 BENTON CITY (ANACACHO) ALRICH OIL & GAS, INC. 132129 MURRAY 2H INDIO TANKS (PEARSALL) VALENCE OPERATING COMPANY 270510 MYERS 1683D INDIO TANKS (PEARSALL) NEWFIELD EXPLORATION COMPANY 253465 MYERS 1684H PENA CREEK (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 200961 MYERS 2683H INDIO TANKS (PEARSALL) NEWFIELD EXPLORATION COMPANY 243046 MYERS, J. S. ET AL 303 PENA CREEK (OLMOS 2400) ENERGYQUEST II, LLC 125973 MYRTLE MITCHELL 7 UNIT 1 SIMPSON-MANN (CANYON) OZTX OIL & GAS, L.L.C. 160346 N. N. H. UNIT 1 SCHAFER-BROWN (ANACACHO) REGENCY ENERGY, INC. 132555 NAEGELIN, JOHN E. ET UX 1 BENTON CITY (ANACACHO) REGENCY ENERGY, INC. 229954 NAEGLIN, MIKE 1 BENTON CITY S, (ANACACHO) REGENCY ENERGY, INC. 227894 NBR EF 1H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 265658 NBR EF 2H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 270134 NBRP EF 1H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 269212 NBRP EF 2H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 269795 NBRP EF 3H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 271272 NBRP EF 4H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 269797 NBRP EF 5H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 271898 NBRP EF 6H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 271900 NBRP EF 7H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 271899 NBRP EF 8H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 271902 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 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) NEWFIELD EXPLORATION COMPANY 169049 NEWBY "A" 2C VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 168438 NEWBY "A" 2T BEANO (STRAWN) NEWFIELD EXPLORATION COMPANY 168768 NEWBY "A" 3 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 172050 NEWBY "A" 5 BEANO (STRAWN) NEWFIELD EXPLORATION COMPANY 196901 NEWBY "A" 5 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 214325


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ NEWBY "A" 6 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 197155 NEWBY "A" 8 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 198498 NEWBY "B" 1 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 181110 NEWBY "B" 2 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 197969 NEWBY A 4 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 194616 NEWBY G. U. 1 2 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 226894 NEWBY G. U. 2 1 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 170643 NEWBY G. U. 3 1 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 172566 NEWBY G.U. 1 1C VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 167314 NEWBY G.U. 2 2C VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 195698 NEWBY G.U. 2 2T BEANO (STRAWN) NEWFIELD EXPLORATION COMPANY 195485 NEWBY G.U. 2 3 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 220305 NEWBY G.U. 3 2 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 220306 NEWBY G.U. 3 3 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 224977 NEWBY G.U.1 3 BEANO (STRAWN) NEWFIELD EXPLORATION COMPANY 197970 NEWBY GAS UNIT 1 1T BEANO (STRAWN) NEWFIELD EXPLORATION COMPANY 167339 NEWBY GU 1 3C VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 214613 NEWBY GU 1 4 C VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 221376 NEWBY GU 1 4 T BEANO (STRAWN) NEWFIELD EXPLORATION COMPANY 221371 NEWBY 151 "D" 5 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 220398 NEWBY 151 "D" 6 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 223325 NHL 1H INDIO TANKS (PEARSALL) CHESAPEAKE OPERATING, L.L.C. 260470 NICHOLS 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260184 NICHOLS LOWE UNIT 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 266246 NICHOLS MCTEE UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272275 NICHOLS MCTEE UNIT 1 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 274702 NICKS, GERALD 5 12 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 258472 NICKS, GERALD 5 13 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 258476 NIXON-STEINLE 2 JOURDANTON (BUDA) EAGLE ROCK OPERATING COMPANY,LLC 200233 NIXON-STEINLE 2 JOURDANTON (GEORGETOWN) EAGLE ROCK OPERATING COMPANY,LLC 192005 NORTON, R. W. JR. 13 BANDERA TANK, NW. (SAN MIGUEL) PATTERSON ENERGY CORPORATION 055131 NORTON, R. W., JR. 18 BANDERA TANK, NW. (SAN MIGUEL) PATTERSON ENERGY CORPORATION 043741 NORTON, RICHARD W. JR. 14 BANDERA TANK, NW. (SAN MIGUEL) PATTERSON ENERGY CORPORATION 039933 NORTON, RICHARD W. JR. 15 BANDERA TANK, NW. (SAN MIGUEL) PATTERSON ENERGY CORPORATION 040835 NORTON, RICHARD W. JR. 22 BANDERA TANK, NW. (SAN MIGUEL) PATTERSON ENERGY CORPORATION 044917 NORTON, RICHARD W. JR. 30 BANDERA TANK, NW. (SAN MIGUEL) PATTERSON ENERGY CORPORATION 046661 NORTON,R.W.,JR.-CHAPPAROSA RANCH 34 BANDERA TANK, NW. (SAN MIGUEL) PATTERSON ENERGY CORPORATION 055691 NORTON,R.W.,JR.-CHAPPAROSA RANCH 35 BANDERA TANK, NW. (SAN MIGUEL) PATTERSON ENERGY CORPORATION 055692 NORTON,R.W.,JR.-CHAPPAROSA RANCH 36 BANDERA TANK, NW. (SAN MIGUEL) PATTERSON ENERGY CORPORATION 055693 NUECES MINERALS COMPANY 371H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 260072 NUECES MINERALS COMPANY 372A HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 267204 NUECES MINERALS COMPANY M 1H HAWKVILLE (EAGLEFORD SHALE) MURPHY EXPL. & PROD. CO. - USA 259083 NUECES MINERALS COMPANY 1501H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 255435 NUECES MINERALS COMPANY 2001H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 251773 NUECES MINERALS COMPANY 6821H HAWKVILLE (EAGLEFORD SHALE) MURPHY EXPL. & PROD. CO. - USA 258901 NUECES MINERALS COMPANY 6831H HAWKVILLE (EAGLEFORD SHALE) MURPHY EXPL. & PROD. CO. - USA 267785 NUECES MINERALS COMPANY 6851H HAWKVILLE (EAGLEFORD SHALE) MURPHY EXPL. & PROD. CO. - USA 260581 NUECES MINERALS COMPANY 6881H HAWKVILLE (EAGLEFORD SHALE) MURPHY EXPL. & PROD. CO. - USA 267223 NUNLEY 6901 PENA CREEK (PEARSALL) BLACKBRUSH O & G, LLC 243036 NUNLEY-TRAYLOR 1H HAWKVILLE (EAGLEFORD SHALE) EP ENERGY E&P COMPANY, L.P. 258752 NYE 1H HAWKVILLE (EAGLEFORD SHALE) MURPHY EXPL. & PROD. CO. - USA 267454


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ NYE 2H HAWKVILLE (EAGLEFORD SHALE) MURPHY EXPL. & PROD. CO. - USA 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) NEWFIELD EXPLORATION COMPANY 216216 O'MEARA-WEBB 687 UNIT 1H INDIO TANKS (PEARSALL) NEWFIELD EXPLORATION COMPANY 253306 O'NEIL 1 SERBAN (CRETACEOUS LO.) QUEMADO ENERGY, L.L.C. 084349 O'QUINN, WEBSTER 3A BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 166999 OLLIE- LOWRY 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 266205 OLLIE-LOWRY 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260231 OQUINN, WEBSTER, GAS UNIT 1 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000040 OQUINN, WEBSTER, GAS UNIT 2 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000041 ORTA, AUGUSTIN 2 JOURDANTON EAGLE ROCK OPERATING COMPANY,LLC 161890 ORTA, AUGUSTIN 4 JOURDANTON EAGLE ROCK OPERATING COMPANY,LLC 161893 ORTA, AUGUSTIN 15 JOURDANTON EAGLE ROCK OPERATING COMPANY,LLC 083703 ORTA, AUGUSTIN 16 JOURDANTON EAGLE ROCK OPERATING COMPANY,LLC 065311 ORTA, AUGUSTIN 17 CHARLOTTE (ESCONDIDO B) EAGLE ROCK OPERATING COMPANY,LLC 214311 ORTA, AUGUSTIN 17 CHARLOTTE, E. (OLMOS) EAGLE ROCK OPERATING COMPANY,LLC 214310 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 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 A2714 50H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269738 PALAFOX STATE A2715 53H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269912 PALAFOX STATE A2755 G.U. 55H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269731 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 STATE A2774 68H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 275745 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-STATE A2777 G. U. 56H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 269760 PALOMA 1068 CHITTIM (7100 PEARSALL) NEWFIELD EXPLORATION COMPANY 265141 PALOMA 1107 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 149988 PALOMA 1139H CHITTIM, E. (RODESSA 5300) NEWFIELD EXPLORATION COMPANY 195706 PALOMA 3132 H CHITTIM, E. (RODESSA 5300) NEWFIELD EXPLORATION COMPANY 211947 PALOMA 7101 CHITTIM (5100, NORTH) NEWFIELD EXPLORATION COMPANY 106499 PALOMA "B" 1112 CHITTIM (5600) NEWFIELD EXPLORATION COMPANY 139263 PALOMA "B" 2112 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 157623 PALOMA "D" 1106 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 163198 PALOMA "E" 153 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 181892 PALOMA "E" 182 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 189064 PALOMA "E" 383 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 178556 PALOMA "E" 483 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 175222 PALOMA "E" 1052 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 174426 PALOMA "E" 1054 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 210841 PALOMA "E" 1064 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 171270


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ PALOMA "E" 1065 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 171269 PALOMA "E" 1066 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 167517 PALOMA "E" 1090 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 169209 PALOMA "E" 1091 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 180810 PALOMA "E" 1192 WILDCAT NEWFIELD EXPLORATION COMPANY 211562 PALOMA "E" 2052 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 171271 PALOMA "E" 2066 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 169995 PALOMA "E" 2083 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 165865 PALOMA "E" 4051 PRICKLY PEAR (GLEN ROSE) NEWFIELD EXPLORATION COMPANY 170672 PATTERSON 1501 HACKBERRY CREEK (CANYON) MUSKEGON DEVELOPMENT COMPANY 264382 PATTERSON 1504 HACKBERRY CREEK (CANYON) MUSKEGON DEVELOPMENT COMPANY 272785 PATTERSON 1601 HACKBERRY CREEK (CANYON) MUSKEGON DEVELOPMENT COMPANY 258666 PATTERSON 1603 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 271383 PATTERSON 3202 HACKBERRY CREEK (CANYON) MUSKEGON DEVELOPMENT COMPANY 258196 PATTERSON 3203 HACKBERRY CREEK (CANYON) MUSKEGON DEVELOPMENT COMPANY 264384 PATTERSON 3205 COOL WATER RANCH (WLFC "A" COAL) MUSKEGON DEVELOPMENT COMPANY 272789 PATTERSON 3206 HACKBERRY CREEK (CANYON) MUSKEGON DEVELOPMENT COMPANY 272737 PAYSINGER 2505 HOLDSWORTH (ELAINE UP SEG 4) KWH OIL COMPANY 086864 PC-Q EF 4H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 259737 PC-Q EF 8H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 266181 PEARLSTONE, CLAIRE 1 JOURDANTON EAGLE ROCK OPERATING COMPANY,LLC 160379 PEARLSTONE, CLAIRE 2 JOURDANTON EAGLE ROCK OPERATING COMPANY,LLC 163239 PEARLSTONE, CLAIRE 4 JOURDANTON EAGLE ROCK OPERATING COMPANY,LLC 074324 PEARLSTONE, CLAIRE 6 CHARLOTTE (ESCONDIDO B) EAGLE ROCK OPERATING COMPANY,LLC 214314 PEARLSTONE, CLAIRE 6 CHARLOTTE, E. (OLMOS) EAGLE ROCK OPERATING COMPANY,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) BHP BILLITON PET(TXLA OP) CO 263063 PEEBLES UNIT 2 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 264428 PEELER 1 A.W.P. (OLMOS) SV ENERGY COMPANY, LLC 257604 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 2 HOSTETTER, NORTH (WILCOX,UPPER) BLUESTONE NATURAL RES. II, LLC 000309 PENN, STELLA 5 HOSTETTER (WILCOX 10300) BLUESTONE NATURAL RES. II, LLC 154937 PENN, STELLA 7 HOSTETTER (WILCOX 11000) BLUESTONE NATURAL RES. II, LLC 169812 PENN, STELLA 8 HOSTETTER (WILCOX A) BLUESTONE NATURAL RES. II, LLC 171806 PENN, STELLA 8 HOSTETTER, N. (SLICK 8070) BLUESTONE NATURAL RES. II, LLC 167677 PERKINS, GEORGE ESTATE 1 C PRYOR, EAST (ESCONDIDO) WILLIAMSON OPERATING CO. 100638 PERLITZ-WRANGLER 2 PILOSA, EAST (2ND SAN MIGUEL) MUNOZ FARMS OPERATING CO., LLC 209362 PERRY 1 LEONA RIVER (ESCONDIDO D-1) CRIMSON EXPLORATION OPER., INC. 115103 PETERSON, JOE 1 LULA, NW. (DEVONIAN) E.L.A., INC. 051615 PETRO GRANDE BILL COLE STATE 90- 1 MASSIE (STRAWN) PG OPERATING, LLC 254478 PETRO GRANDE BILL COLE 15 1 MASSIE (STRAWN) PG OPERATING, LLC 256645 PETRO-GULF BAKER RANCH 3913 BAKER (ESCONDIDO 900) SUMMIT OIL & GAS, INC. 102548 PETTIT 1 SOMERSET CIVRON PETROLEUM RES., LLC 131426 PETTIT 2 SOMERSET CIVRON PETROLEUM RES., LLC 131427 PETTIT 3 SOMERSET CIVRON PETROLEUM RES., LLC 131428 PETTY RANCH 1H STUART CITY (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 212087 PETTY RANCH 309 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 173844 PETTY RANCH 404 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 185060


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ PETTY RANCH 504 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 208501 PETTY RANCH 705 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 174327 PETTY RANCH 708 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 165363 PETTY RANCH 805 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 174953 PETTY RANCH 908 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 178559 PETTY RANCH 1005 CATARINA, SW. (OLMOS) WHITE OAK OPERATING COMPANY LLC 249624 PETTY RANCH 1008 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 180621 PETTY RANCH 1035 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 201492 PETTY RANCH 1206 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 184778 PETTY RANCH 1208 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 206686 PETTY RANCH 1227 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 184191 PETTY RANCH 7034 CATARINA, SW. (OLMOS) WHITE OAK OPERATING COMPANY LLC 249629 PETTY RANCH 8025 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 186008 PETTY RANCH 9027 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 163106 PETTY RANCH 9034 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 176730 PETTY, O. S. 109 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 111166 PETTY, O. S. 204 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 114012 PETTY, O. S. 207 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 078527 PETTY, O. S. 208 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 095343 PETTY, O. S. 305A CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 114262 PETTY, O. S. 308 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 111185 PETTY, O. S. 407 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 085935 PETTY, O. S. 534 CATARINA, SW. (OLMOS N-3 STRAY) WHITE OAK OPERATING COMPANY LLC 130356 PETTY, O. S. 607 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 086071 PETTY, O. S. -A- 1 STUART CITY (EDWARDS LIME) LEWIS PETRO PROPERTIES, INC. 000481 PETTY, O. S. "A" 2035 CATARINA, SW. (SAN MIGUEL-GAS) WHITE OAK OPERATING COMPANY LLC 098628 PETTY, O. S. A-2 1006 CATARINA, SW (SAN MIGUEL,OIL) WHITE OAK OPERATING COMPANY LLC 138087 PETTY, O.S. 76 CATARINA, SW (SAN MIGUEL,OIL) WHITE OAK OPERATING COMPANY LLC 138735 PETTY, O.S. 806 CATARINA, SW (SAN MIGUEL,OIL) WHITE OAK OPERATING COMPANY LLC 271301 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 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 PGE BROWNE H 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275501


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ PGE BROWNE H 2H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275660 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 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 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 A UNIT A 1H BRISCOE RANCH (EAGLEFORD) CHESAPEAKE OPERATING, L.L.C. 275563 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 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 PHILLIPS-JANCO 1 EL INDIO (OLMOS BROWN 900) WILLIAMSON OPERATING CO. 141304 PICKENS-COFFIELD 1 MAYA (S.M.D.) SOJOURNER DRILLING CORPORATION 183534 PIELOP COOKE UNIT 2 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 261260 PIELOP COOKE UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260509 PIELOP, CAROLINE 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 255733 PIERCE 10H EAGLEVILLE (EAGLE FORD-1) CARRIZO (EAGLE FORD) LLC 260653 PIERCE 11H EAGLEVILLE (EAGLE FORD-1) CARRIZO (EAGLE FORD) LLC 271314 PIERCE 12H HAWKVILLE (EAGLEFORD SHALE) CARRIZO (EAGLE FORD) LLC 271315 PIERCE 20H HAWKVILLE (EAGLEFORD SHALE) CARRIZO (EAGLE FORD) LLC 265873 PIERCE 21H EAGLEVILLE (EAGLE FORD-1) CARRIZO (EAGLE FORD) LLC 265876 PIERCE 30H EAGLEVILLE (EAGLE FORD-1) CARRIZO (EAGLE FORD) LLC 274947 PIERCE 31H EAGLEVILLE (EAGLE FORD-1) CARRIZO (EAGLE FORD) LLC 274636 PILLSBURY 1 RHODE RANCH, SW (SAND 5) SLAWSON EXPLORATION COMPANY, INC 122003 PILONCILLO A 1H BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 266347 PILONCILLO A 2H BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267477 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


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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 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 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 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 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 15HL BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 270262 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 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 B 1H BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 264716 PILONCILLO C 1H BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 266132 PILONCILLO C 2HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 270673 PILONCILLO C 3HL BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 270882 PILONCILLO C 4H BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 266761 PILONCILLO C 6HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 271211 PILONCILLO C 6HZ BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 271151 PILONCILLO D 1H BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 263582


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ PILONCILLO D 2H BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 266098 PILONCILLO D 3H BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 266825 PILONCILLO D 3HM BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 270756 PILONCILLO D 4H BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 270572 PILONCILLO D 4HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 265394 PILONCILLO D 4HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268494 PILONCILLO D 4HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 265395 PILONCILLO D 4HD BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 265393 PILONCILLO D 4HE BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268430 PILONCILLO D 5HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267231 PILONCILLO D 5HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267230 PILONCILLO D 5HY BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267254 PILONCILLO D 5HZ BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 266799 PILONCILLO D 6HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 266721 PILONCILLO D 6HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 266468 PILONCILLO D 7HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 265398 PILONCILLO D 7HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267081 PILONCILLO D 7HL BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267080 PILONCILLO D 7HM BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267532 PILONCILLO D 8HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267076 PILONCILLO D 8HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267075 PILONCILLO D 8HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267077 PILONCILLO D 8HL BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 266190 PILONCILLO D 9HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267803 PILONCILLO D 9HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267314 PILONCILLO D 9HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 266035 PILONCILLO D 9HD BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 265405 PILONCILLO D 10HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 265404 PILONCILLO D 10HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267823 PILONCILLO D 10HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 265403 PILONCILLO D 10HL BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267825 PILONCILLO D 11HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 265815 PILONCILLO D 11HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267822 PILONCILLO D 11HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267824 PILONCILLO D 11HD BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 265402 PILONCILLO D 12HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268407 PILONCILLO D 12HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268396 PILONCILLO D 12HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268431 PILONCILLO D 12HD BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268432 PILONCILLO D 13HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268864 PILONCILLO D 13HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269012 PILONCILLO D 13HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269175 PILONCILLO D 14HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268877 PILONCILLO D 14HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268504 PILONCILLO D 14HW BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268528 PILONCILLO D 14HX BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 268807 PILONCILLO D 14HY BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 267602 PILONCILLO D 14HZ BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269176 PILONCILLO D 15HA BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269706 PILONCILLO D 15HB BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269704 PILONCILLO D 15HC BRISCOE RANCH (EAGLEFORD) SN OPERATING, LLC 269775


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------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ R. A. BRACKEN A 2H EAGLEVILLE (EAGLE FORD-1) TALISMAN ENERGY USA INC. 272952 R. A. BRACKEN A 3H EAGLEVILLE (EAGLE FORD-1) TALISMAN ENERGY USA INC. 268267 R. A. BRACKEN B 1H EAGLEVILLE (EAGLE FORD-1) TALISMAN ENERGY USA INC. 271058 R. A. BRACKEN B 2H EAGLEVILLE (EAGLE FORD-1) TALISMAN ENERGY USA INC. 271120 R. A. BRACKEN B 3H EAGLEVILLE (EAGLE FORD-1) TALISMAN ENERGY USA INC. 271370 R. BRACKEN 39H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 264126 R. BRACKEN 40H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 261615 R. BRACKEN 41H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 266276 R. BRACKEN 42w CARRIZO SWIFT ENERGY OPERATING, LLC 267041 R. G. LINDHOLM GAS UNIT 2 RHODE (7300) COLUMBUS ENERGY, LLC 194094 R. G. LINDHOLM GAS UNIT 2 RHODE RANCH, W. (WILCOX 8800) COLUMBUS ENERGY, 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) CONOCOPHILLIPS COMPANY 228005 RANCH, J. A. -K- 3 VINEGARONE (STRAWN) CONOCOPHILLIPS COMPANY 228675 RANCHO ENCANTADO 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260066 RANCHO ENCANTADO 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 261441 RANCHO ENCANTADO 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263629 RANCHO ENCANTADO 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 265566 RANCHO ENCANTADO 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266648 RANCHO ENCANTADO 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266695 RANCHO ENCANTADO 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266615 RANCHO ENCANTADO 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269974 RANCHO ENCANTADO 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269980 RANCHO ENCANTADO 11H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270089 RANCHO ENCANTADO 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266647 RANCHO ENCANTADO 13H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266717 RANCHO ENCANTADO 14H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270200 RANCHO ENCANTADO 15H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270256 RANCHO ENCANTADO 16H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 270257 RANCHO ENCANTADO 17H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266649 RANCHO ENCANTADO 18H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266672 RANCHO ENCANTADO 19H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266651 RANCHO ENCANTADO 20H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266654 RANCHO ENCANTADO 21H WILDCAT ANADARKO E&P ONSHORE LLC 266690 RANCHO ENCANTADO 21H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266715 RANCHO ENCANTADO 22H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266898 RANCHO ENCANTADO 23H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267387 RANCHO ENCANTADO 24H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267395 RANCHO ENCANTADO 25H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267396 RANCHO ENCANTADO 26H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267397 RANCHO ENCANTADO 27H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266696 RANCHO ENCANTADO 28H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266716 RANCHO ENCANTADO 29H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271566 RANCHO ENCANTADO 30H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271561 RANCHO ENCANTADO 31H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271563 RANCHO ENCANTADO 32H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271564 RANCHO ENCANTADO 33H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271565 RANCHO ENCANTADO 34H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275892 RANCHO ENCANTADO 35H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275840 RANCHO ENCANTADO 36H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275841


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ RANCHO ENCANTADO 37H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275842 RANCHO ENCANTADO 38H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275843 RANCHO LAGO VISTA 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 267229 RANCHO LAGO VISTA 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270644 RANDEE FAGAN 24 1 FRANCES HILL (PENN, LOWER) GREAT WESTERN DRILLING COMPANY 214388 RANSLEBEN 1 BENTON CITY S, (ANACACHO) E P C OIL & GAS, INC. 130773 RDR TURNEY 194 FRANCES HILL (CANYON) KLM PETROLEUM CORP. 252230 RDR TURNEY 194 1 FRANCES HILL (CANYON) KLM PETROLEUM CORP. 215551 REAMS-WROTEN 1 LITTLE MAX (POTH SAND) P.S.N. PETROLEUM, INC. 120224 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 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) SWIFT ENERGY OPERATING, LLC 208921 REEVES 5 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 224979 REEVES 6 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 247413 REEVES "A" 2 STUART CITY (EDWARDS LIME) SUTTON PRODUCING CORP. 140196 REEVES "A" 8 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 247884 RENSHAW UNIT 3 HOSTETTER, NORTH (WILCOX-6) BLUESTONE NATURAL RES. II, LLC 146346 RETTIG, MABEL L 58H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 256578 REUTHINGER 2H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY OPERATING, LLC 266233 REVEILLE 1 FRANCES HILL (PENN, LOWER) MARSHALL & WINSTON, INC. 161127 REVEILLE 4 FRANCES HILL (PENN, LOWER) MARSHALL & WINSTON, INC. 167366 REYES GAS UNIT 2 ROCKY CREEK (GEORGETOWN) GENESIS WELL SERVICE 227961 REYNOLDS 25 1 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 261831 RHODE RANCH 1 BAKER (2100) ELLSWORTH, H. P. O&G PROPERTIES 256032 RHODE RANCH 1 HOSTETTER, N. (QUEEN CITY 6490) MODERN EXPLORATION, INC. 179900 RHODE RANCH 1101 RHODE RANCH, SOUTH (1600) HURD ENTERPRISES, LTD. 266612 RHODE RANCH 1301 RHODE RANCH, W. (1ST MASSIVE) HURD ENTERPRISES, LTD. 261631 RHODE RANCH 1302 RHODE RANCH, W. (1ST MASSIVE) HURD ENTERPRISES, LTD. 264546 RHODE RANCH 2201 RHODE RANCH, EAST (WILCOX 7600) HURD ENTERPRISES, LTD. 263300 RHODE RANCH 7701 RHODE RANCH, W. (1ST MASSIVE) HURD ENTERPRISES, LTD. 263279 RHODE RANCH 7801 RHODE RANCH (BASAL HOUSE) HURD ENTERPRISES, LTD. 261633 RHODE, D. W. -11- 1 RHODE RANCH, EAST (WILCOX FIRST) CIMAREX ENERGY CO. OF COLORADO 000408 RHODE, D. W. -18- 3 RHODE RANCH, EAST (WILCOX FIRST) COLUMBUS ENERGY, LLC 000411 RHODE, D. W. -18- 4 C RHODE RANCH, EAST (WILCOX FIRST) CIMAREX ENERGY CO. OF COLORADO 000412 RHODE, D. W. -18- 4 T RHODE RANCH, EAST (WILCOX 7600) CIMAREX ENERGY CO. OF COLORADO 000420 RHODE, D. W. -18- 5 RHODE RANCH, EAST (WILCOX 10400) CIMAREX ENERGY CO. OF COLORADO 101636 RHODE, D. W. -19- 1 L RHODE RANCH, W. (HOUSE 9200) COLUMBUS ENERGY, LLC 115107 RHODE, D. W. -19- 1 U RHODE RANCH, W. (HOUSE 9100) COLUMBUS ENERGY, LLC 122106 RHODE, D. W. -19- 2 RHODE RANCH, W. (HOUSE 9100) COLUMBUS ENERGY, LLC 150011 RHODE, D. W. -25- 2 RHODE RANCH, W. (HOUSE 9100) COLUMBUS ENERGY, LLC 221483 RHODE, D. W. -9- 1 C RHODE RANCH, EAST (WILCOX FIRST) CIMAREX ENERGY CO. OF COLORADO 000406 RHODE, D. W. -9- 1 T RHODE RANCH, EAST (WILCOX 7600) CIMAREX ENERGY CO. OF COLORADO 000417 RHODE, D. W. -9- 3 L RHODE RANCH, EAST (WILCOX 7600) CIMAREX ENERGY CO. OF COLORADO 095833 RHODE, D. W. -9- 3 U RHODE RANCH, EAST (WILCOX FIRST) CIMAREX ENERGY CO. OF COLORADO 074919 RHODE, D. W. -9- 4 RHODE RANCH, EAST (WILCOX 9100) CIMAREX ENERGY CO. OF COLORADO 091136 RHODE, D. W. -9- 6 RHODE RANCH, EAST (FRIO 2700) CIMAREX ENERGY CO. OF COLORADO 094635 RHODE, D. W. -9- -A- 2 F RHODE RANCH, EAST (WILCOX FIRST) CIMAREX ENERGY CO. OF COLORADO 000407


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ RHODE, D. W. -9- -A- 5 C RHODE RANCH, EAST (WILCOX FIRST) CIMAREX ENERGY CO. OF COLORADO 090998 RHODE, D. W. -9- -A- 5 T RHODE RANCH, EAST (WILCOX 7600) CIMAREX ENERGY CO. OF COLORADO 091080 RHODE, D. W. -9- -A- 9 WILDCAT CIMAREX ENERGY CO. OF COLORADO 147952 RHODE, D. W. "77" 1 DOS ANOS (HOCKLEY) CIMAREX ENERGY CO. OF COLORADO 153727 RHODE, D. W. ET AL -11- 2 RHODE (7700) CIMAREX ENERGY CO. OF COLORADO 000404 RHODE, D. W. 26 1 RHODE (10,600 WILCOX) COLUMBUS ENERGY, LLC 115105 RHODE, D. W. 26 2 RHODE (10,600 WILCOX) COLUMBUS ENERGY, LLC 119199 RHODE, D. W. 26 3 RHODE (10,600 WILCOX) COLUMBUS ENERGY, LLC 119564 RHODE, D. W. 26 4 RHODE (10,600 WILCOX) COLUMBUS ENERGY, LLC 119903 RHODE, D. W. 26 4 RHODE RANCH, W. (HOUSE 9100) COLUMBUS ENERGY, LLC 157932 RHODE, D. W. 26 5 RHODE (10,600 WILCOX) COLUMBUS ENERGY, LLC 213903 RHODE, D. W. 9 8C RHODE RANCH, EAST (QUEEN CITY 1) CIMAREX ENERGY CO. OF COLORADO 146890 RHODE, D. W. 9 8T RHODE RANCH, EAST (WILCOX FIRST) CIMAREX ENERGY CO. OF COLORADO 147962 RHODES - STATE 1H EVERGREEN FARMS (GEORGETOWN) REPUBLIC RESOURCES, LLC. 160896 RHODES, D. W. 1 JAKE HAMON (2650) ARNOLD WELL SERVICE 000330 RICHARDSON 1 SNAKEBITE (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 196315 RICHARDSON 2 SNAKEBITE (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 205641 RICHTER, H. E. 3 L FASHING (EDWARDS LIME -B-) SNG OPERATING, LLC 109015 RICHTER, H. E. 3 U FASHING (EDWARDS LIME -A-) SNG OPERATING, LLC 109014 RICHTER, H.E. 5 FASHING (EDWARDS LIME -A-) EXCALIBUR E & P, LLC 169040 RICHTER,H. E. 2 FASHING (EDWARDS LIME -B-) CINCO OPERATING COMPANY, LLC 086626 RICK DAY UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 267731 RITA 1 WHITE KITCHEN (EDWARDS LIME) BHP BILLITON PET(TXLA OP) CO 132522 RITCHIE, J. W. 1 LOS CUATROS (LOWER CRETACEOUS) XOG OPERATING LLC 081133 RIVES TRUST 2 LA CHUSA (WILCOX 6000) UMMA RESOURCES, LLC 125000 RIVES TRUST UNIT 1 LA CHUSA (SLIGO) UMMA RESOURCES, LLC 120254 RMG LAND 2201 SUN T S H (OLMOS) VIRTEX OPERATING COMPANY, INC. 234009 RMG LAND 2202 SUN T S H (OLMOS) VIRTEX OPERATING COMPANY, INC. 243049 RMG LAND 2203 SUN T S H (OLMOS) VIRTEX OPERATING COMPANY, INC. 243368 RMG LAND 2204 SUN T S H (WILCOX) VIRTEX OPERATING COMPANY, INC. 251276 ROBERT GUTIERREZ 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260720 ROBERT GUTIERREZ 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 265123 ROBERT GUTIERREZ 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 269223 ROBERT HINDES 1H INDIO TANKS (PEARSALL) EOG RESOURCES, INC. 267932 ROBINSON, WINFRED 1 SOMERSET ROBINSON, WINFRED JR. 192391 ROBINSON, WINFRED 2 SOMERSET ROBINSON, WINFRED JR. 127234 ROEGLEIN PACKING COMPANY 1 FAIRFIELD (1100) JOHNSON, J. R. 000187 ROGERS DENTONIO RANCH 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266406 ROGERS DENTONIO RANCH 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264023 ROGERS DENTONIO RANCH 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263866 ROGERS DENTONIO RANCH 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260405 ROGERS DENTONIO RANCH 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263657 ROGERS DENTONIO RANCH 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260446 ROGERS DENTONIO RANCH 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266573 ROGERS DENTONIO RANCH 13H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266574 ROGERS DENTONIO RANCH 14H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263652 ROGERS DENTONIO RANCH 15H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263653 ROGERS DENTONIO RANCH 16H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266575 ROGERS DENTONIO 16 UNIT 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267198 ROGERS DENTONIO 16 UNIT 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267212 ROGERS DENTONIO 16 UNIT 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272333


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ ROGERS DENTONIO 16 UNIT 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272293 ROGERS DENTONIO 16 UNIT 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272294 ROGERS DENTONIO 16 UNIT 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272295 ROGERS DENTONIO 16 UNIT 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272296 ROGERS DENTONIO 16 UNIT 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272297 ROGERS DENTONIO 16 UNIT 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272298 ROGERS DENTONIO 32 UNIT 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275219 ROGERS DENTONIO 32 UNIT 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275220 ROGERS DENTONIO 32 UNIT 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275246 ROGERS DENTONIO 32 UNIT 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273968 ROGERS DENTONIO 32 UNIT 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275473 ROGERS DENTONIO 32 UNIT 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274728 ROGERS DENTONIO 32 UNIT 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275015 ROGERS DENTONIO 32 UNIT 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273969 ROGERS DENTONIO 32 UNIT 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274961 ROGERS DENTONIO 32 UNIT 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273971 ROGERS DENTONIO 33 UNIT 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274667 ROGERS DENTONIO 33 UNIT 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275661 ROGERS DENTONIO 33 UNIT 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275052 ROGERS DENTONIO 33 UNIT 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275379 ROGERS DENTONIO 33 UNIT 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274720 ROGERS DENTONIO 33 UNIT 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274093 ROGERS DENTONIO 33 UNIT 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274414 ROGERS DENTONIO 33 UNIT 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274417 ROGERS DENTONIO 33 UNIT 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274464 ROGERS DENTONIO 33 UNIT 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274418 ROGERS DENTONIO 33 UNIT 11H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 274419 ROLSTON 801 GERONIMO CREEK (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 213949 ROLSTON 802H GERONIMO CREEK (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 231962 ROOS GAS UNIT 2 ROOS (WILCOX 7600) COLUMBUS ENERGY, LLC 082209 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 V. BENAVIDES (EF) 2H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY 258131 ROSA V. BENAVIDES (EF) 3H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY 257686 ROSA V. BENAVIDES (EF) 5H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY 260046 ROSA V. BENAVIDES (EF) 7H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY 260047 ROSA V. BENAVIDES (EF) 11H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY 266235 ROSA V. BENAVIDES (EF) 13H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY 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) CAMDEN RESOURCES, LLC 209205 RUCKMAN 6 HOSTETTER (WILCOX 11100) CAMDEN RESOURCES, LLC 209234 RUCKMAN 8 WILDCAT CAMDEN RESOURCES, LLC 252860 RUCKMAN 9 HOSTETTER (RUCKMAN 16,100) CAMDEN RESOURCES, LLC 209854 RUCKMAN 10 HOSTETTER (WILCOX 9,900) CAMDEN RESOURCES, LLC 208760 RUCKMAN DEEP GAS UNIT 1 HOSTETTER (WILCOX 15300) CAMDEN RESOURCES, LLC 200273 RUCKMAN DEEP GAS UNIT 1 D HOSTETTER (WILCOX 15300) CAMDEN RESOURCES, LLC 202788 RUCKMAN DEEP GAS UNIT 1 L HOSTETTER (WILCOX 15300) CAMDEN RESOURCES, LLC 191548 RUCKMAN DEEP GAS UNIT 2 HOSTETTER (WILCOX 15300) CAMDEN RESOURCES, LLC 200267


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------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ SELF GAS UNIT 1 HOSTETTER (WILCOX A) BLUESTONE NATURAL RES. II, LLC 167875 SHADD WILCOX 1 EMILY A. (WILCOX 1830) NEWFIELD EXPLORATION COMPANY 271239 SHAMROCK-CAGE 1089 CAGE (ESCONDIDO) RAM RIVER RESOURCES, INC. 066569 SHANNON 52 24 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 262417 SHAW 7101 GERONIMO CREEK (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 211918 SHAW 7102H GERONIMO CREEK (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 226574 SHAW 7502H GERONIMO CREEK (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 230351 SHAW 7503H GERONIMO CREEK (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 233661 SHELL CHITTIM 1 WILDCAT BLACKBRUSH O & G, LLC 260007 SHINER RANCH 6 PEARSALL (BUDA LIME) BLACKBRUSH O & G, LLC 230632 SHINER RANCH 208 PEARSALL (BUDA LIME) BLACKBRUSH O & G, LLC 226579 SHOOK 101H INDIO TANKS (PEARSALL) SEA EAGLE FORD, LLC 257891 SHOOK 203H BRISCOE RANCH (OLMOS) SEA EAGLE FORD, LLC 269194 SHOOK 801H INDIO TANKS (PEARSALL) NEWFIELD EXPLORATION COMPANY 261610 SIDDONS OL 1H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 260522 SIDDONS OL 3H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 263799 SIDDONS OL 4H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 270305 SIMMONS 72.5 5 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 251220 SLAUGHTER 1 HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 268875 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 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-) ENCANA OIL & GAS(USA) INC. 166411 SMITH, MARY CAROL 1 FASHING (EDWARDS LIME -A-) ENCANA OIL & GAS(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-) WAGNER OIL COMPANY 209360 SMITH, MARY CAROL TRUST UNIT 5 FASHING (EDWARDS LIME -A-) WAGNER OIL COMPANY 119022 SNOWDEN EF 1H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 261833 SNOWDEN EF 2H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 270449 SNOWDEN EF 3H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 271381 SNOWDEN-OTTO EF 1H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, LLC 270430 SNOWDEN-OTTO EF 2H EAGLEVILLE (EAGLE FORD-1) SWIFT ENERGY OPERATING, 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 SOT - LA CRUZ TRES LAND,LTD. GU1 1H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY 267631 SOUTH SPUR RANCH 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260432 SOUTH SPUR RANCH 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 261053 SOUTH SPUR STATE 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266434 SOUTH SPUR STATE 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267400


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ SOUTH SPUR STATE 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267546 SOUTH SPUR STATE 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267547 SOUTH SPUR UNIT A 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263444 SOUTH SPUR UNIT A 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267399 SOUTH SPUR UNIT A 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267398 SOUTH SPUR UNIT A 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268333 SOUTH SPUR UNIT A 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268342 SOUTH SPUR UNIT A 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268343 SOUTH SPUR UNIT A 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272335 SOUTH SPUR UNIT A 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272336 SOUTH SPUR UNIT A 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272337 SOUTH TEXAS SYNDICATE 1 MULA PASTURE (EDWARDS LIME) ALEGRE ENERGY, INC. 140185 SOUTH TEXAS SYNDICATE 1 MULA PASTURE (EDWARDS LIME) RAMTEX ENERGY LLC 057857 SOUTH TEXAS SYNDICATE 23 BIG MULE (5500 SAND) TRACKER OIL & GAS, INC. 107739 SOUTH TEXAS SYNDICATE 291B HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 267826 SOUTH TEXAS SYNDICATE 291H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 255011 SOUTH TEXAS SYNDICATE 292B HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 268134 SOUTH TEXAS SYNDICATE 293B HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 267023 SOUTH TEXAS SYNDICATE 401 BIG MULE (5500 SAND) TRACKER OIL & GAS, INC. 113835 SOUTH TEXAS SYNDICATE 451C HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 260340 SOUTH TEXAS SYNDICATE 451H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 254365 SOUTH TEXAS SYNDICATE 452 H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 258206 SOUTH TEXAS SYNDICATE 452B HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 260588 SOUTH TEXAS SYNDICATE 452C HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 268314 SOUTH TEXAS SYNDICATE 453C HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 268310 SOUTH TEXAS SYNDICATE 454C HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 268315 SOUTH TEXAS SYNDICATE A 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 270312 SOUTH TEXAS SYNDICATE A 6H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 275938 SOUTH TEXAS SYNDICATE A 7H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 275925 SOUTH TEXAS SYNDICATE B451H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 274907 SOUTH TEXAS SYNDICATE B452H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 275071 SOUTH TEXAS SYNDICATE B453H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 275662 SOUTH TEXAS SYNDICATE E 1H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 269294 SOUTH TEXAS SYNDICATE E 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 272022 SOUTH TEXAS SYNDICATE G 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 269096 SOUTH TEXAS SYNDICATE G 5H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 269092 SOUTH TEXAS SYNDICATE H 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 270945 SOUTH TEXAS SYNDICATE M 1H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 269249 SOUTH TEXAS SYNDICATE O 1H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 272759 SOUTH TEXAS SYNDICATE O 3H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 272764 SOUTH TEXAS SYNDICATE Y 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 270416 SOUTH TEXAS SYNDICATE 5020 BIG MULE (5500 SAND) TRACKER OIL & GAS, INC. 111799 SOUTH TEXAS SYNDICATE 7541H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 271302 SOUTH TEXAS SYNDICATE -A- 33 BIG MULE (5500 SAND) TRACKER OIL & GAS, INC. 108369 SOUTH TEXAS SYNDICATE II-A 5 WASHBURN (EDWARDS) PIONEER NATURAL RES. USA, INC. 092093 SOUTH TEXAS SYNDICATE II-A 6 WASHBURN (EDWARDS) PIONEER NATURAL RES. USA, INC. 106671 SOUTH TEXAS SYNDICATE II-A 7 WASHBURN (EDWARDS) PIONEER NATURAL RES. USA, INC. 135425 SOUTH TEXAS SYNDICATE II-A 9 WASHBURN (EDWARDS) PIONEER NATURAL RES. USA, INC. 144748 SOUTH TEXAS SYNDICATE II-A 11 WASHBURN (EDWARDS) PIONEER NATURAL RES. USA, INC. 221403 SOUTH TEXAS SYNDICATE II-B 8 WHITE KITCHEN (EDWARDS LIME) PIONEER NATURAL RES. USA, INC. 139165 SOUTH TEXAS SYNDICATE II-B 10 WASHBURN (EDWARDS) PIONEER NATURAL RES. USA, INC. 161512


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ SOUTH TEXAS SYNDICATE II-B 12 WHITE KITCHEN (EDWARDS LIME) PIONEER NATURAL RES. USA, INC. 221325 SOUTH TEXAS SYNDICATE II-B 14 WASHBURN (EDWARDS) PIONEER NATURAL RES. USA, INC. 221318 SPICE GAS UNIT 2 HOSTETTER (WILCOX 10300) HOME PETROLEUM CORP. 130518 SPICE GAS UNIT 3 HOSTETTER (WILCOX 10300) BLUESTONE NATURAL RES. II, LLC 130821 SPINACH (ELAINE) UNIT 1 SPINACH (ELAINE) HUGHES, DAN A. COMPANY, L.P. 064649 SPIRIT 1 FRANCES HILL (PENN, LOWER) MARSHALL & WINSTON, INC. 167364 SPIRIT 2 FRANCES HILL (PENN, LOWER) MARSHALL & WINSTON, INC. 169644 SPOHN RANCH 1H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES II, LLC 269081 SPOHN RANCH 4H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES II, LLC 276079 SPOHN RANCH 5H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES II, LLC 276028 SPRINGER RANCH 1 WILDCAT ROSETTA RESOURCES OPERATING LP 250890 SPRINGER RANCH 1 HAWKVILLE (EAGLEFORD SHALE) ROSETTA RESOURCES OPERATING LP 252761 SPRINGER RANCH 2 HAWKVILLE (EAGLEFORD SHALE) ROSETTA RESOURCES OPERATING LP 260474 SPRINGER RANCH 3 HAWKVILLE (EAGLEFORD SHALE) ROSETTA RESOURCES OPERATING LP 273384 SPRINGER RANCH 4 HAWKVILLE (EAGLEFORD SHALE) ROSETTA RESOURCES OPERATING LP 275012 SPRINGMAN 1050 APPURCEON (OLMOS) ENERGYQUEST II, LLC 092037 ST OF TX-LA CRUZ TRES LAND, LTD. 1H HAWKVILLE (EAGLEFORD SHALE) LAREDO ENERGY 261320 STANLEY RANCH 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 255427 STANLEY RANCH 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260057 STANLEY RANCH 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260404 STANLEY RANCH 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260228 STANLEY RANCH 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260233 STANLEY RANCH 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266943 STANLEY RANCH 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267279 STANLEY RANCH 8H AMMANN (BUDA) ANADARKO E&P ONSHORE LLC 275395 STANLEY RANCH 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272874 STANLEY RANCH 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267280 STANLEY RANCH 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267284 STANLEY RANCH 11H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267320 STANLEY RANCH 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267584 STANLEY RANCH 13H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267552 STANLEY RANCH 14H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263620 STANLEY RANCH 15H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 265563 STANLEY RANCH 16H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 265579 STANLEY RANCH 17H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266726 STANLEY RANCH 18H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 265442 STANLEY RANCH 19H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 265445 STANLEY RANCH 20H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266941 STANLEY RANCH 21H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 261617 STANLEY RANCH 22H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263722 STANLEY RANCH 23H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264123 STANLEY RANCH 24H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264124 STANLEY RANCH 25H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264133 STANLEY RANCH 26H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272290 STANLEY RANCH 27H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272334 STANLEY RANCH 28H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271959 STANLEY RANCH 29H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271896 STANLEY RANCH 30H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272819 STANLEY RANCH 31H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272820 STANLEY RANCH 43H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271888 STANLEY RANCH 44H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271788


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ STANLEY RANCH 45H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273731 STANLEY RANCH 46H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273734 STANLEY RANCH 47H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273733 STANLEY RANCH 48H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273738 STANLEY RANCH 49H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272895 STANLEY RANCH 50H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272892 STANLEY RANCH 51H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272893 STANLEY RANCH 52H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272897 STANLEY RANCH 53H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273003 STANLEY RANCH 54H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273166 STANLEY RANCH 55H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273469 STANLEY RANCH 56H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273470 STANLEY RANCH 57H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273472 STANLEY RANCH 58H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273475 STANLEY RANCH 59H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273607 STANLEY RANCH 60H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273037 STANLEY RANCH 61H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272569 STANLEY RANCH 62H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272567 STANLEY RANCH 63H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE 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 STEDMAN, S. C. "B" 1 MINERVA-ROCKDALE STEDMAN OIL & GAS CO. 091649 STELLA PENN 6 HOSTETTER, N. (QUEEN CITY 6250) BLUESTONE NATURAL RES. II, LLC 158075 STELLA PENN 10 HOSTETTER, N. (QUEEN CITY 6250) BLUESTONE NATURAL RES. II, LLC 272961 STEWART 1 ROCKSPRINGS, W. (CANYON) HILLIN, T. A. 167503 STEWART 2 EPPERSON (CANYON SAND) BETTIS, BOYLE & STOVALL 172840 STEWART 3 EPPERSON (CANYON SAND) BETTIS, BOYLE & STOVALL 178534 STEWART "47" 1 ROCKSPRINGS, W. (CANYON) 3-M ENERGY CORPORATION 139153 STEWART TRUST 5H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 261083 STEWART TRUST STATE 6H HAWKVILLE (EAGLEFORD SHALE) LEWIS PETRO PROPERTIES, INC. 263542 STOCKTON 1A STUART CITY (EDWARDS LIME) SWIFT ENERGY OPERATING, LLC 147970 STOCKTON 6 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 228216 STOCKTON 7 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 227565 STOCKTON "A" 1 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 214671 STOCKTON A 3 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 212163 STOCKTON A 4 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 221461 STOCKTON A 5 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 224978 STOCKTON B 8 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 225001 STOCKTON B 9 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 229809 STOCKTON, J.H. 2 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 187434 STOKES-KRUEGER UNIT 1H HAWKVILLE (EAGLEFORD SHALE) ESCONDIDO RESOURCES II, LLC 266576 STOLLE ET AL GAS UNIT 1 FASHING (EDWARDS LIME -A-) XTO ENERGY INC. 000209 STONE 'A' 1 WILDCAT MAVERICK ENERGY, INC. 137944 STOREY 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260102 STOREY A 5H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260598 STOREY ESTATE 7 WHITE KITCHEN (EDWARDS LIME) VIRTEX OPERATING COMPANY, INC. 132136 STOREY ESTATE 8 WHITE KITCHEN (EDWARDS LIME) VIRTEX OPERATING COMPANY, INC. 135629 STOREY ESTATE 11 WHITE KITCHEN (EDWARDS LIME) VIRTEX OPERATING COMPANY, INC. 196353 STOREY UNIT 1 6H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 266198 STOREY UNIT 3 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 266147


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ STOREY 151 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 255180 STOREY 267 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 252816 STOREY 267 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 258028 STOREY 267 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273546 STOREY 267 5H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 266130 STOREY-PEEBLES UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 266260 STOREY, H. D. 1 U STOREY (4400) VIRTEX OPERATING COMPANY, INC. 050838 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 STOREY, H. D. -A- 2 STOREY (4280) VIRTEX OPERATING COMPANY, INC. 073889 STRIDDE, HERBERT 1 DAN COBBS (WILCOX, LO.) CASKIDS OPERATING COMPANY 156797 STS 1 HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 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) BHP BILLITON PET(TXLA OP) CO 254322 STS 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 251818 STS 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 254479 STS 5H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270703 STS 6H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 258270 STS 7H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 268485 STS 8H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 258421 STS 9H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 261253 STS 10H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 267681 STS 11H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260601 STS 13H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260605 STS 22H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271639 STS 23H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272458 STS 24H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273579 STS 53H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272128 STS 54H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272735 STS 55H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273580 STS "A" 361H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 255968 STS A KENNEDY STATE UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 267906 STS A KLAUSS-STATE GAS UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 265078 STS B 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 254484 STS B 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271388 STS B 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271374 STS B 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271208 STS B 5H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 268926 STS B 6H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 261321 STS B 8H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260603 STS B 13H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 266333 STS C 1P WILDCAT BHP BILLITON PET(TXLA OP) CO 272110 STS C 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 262201 STS C 5H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 266249 STS C 6H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 267484 STS C 7H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271660 STS C 9H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270101 STS C 11H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 269932 STS C 16H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272021


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ STS C 17H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272331 STS C 46H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 273558 STS C 47H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272768 STS MCJUNKIN "G" 1 GREEN BRANCH, SE.(6200) LIQUID PETROLEUM RESOURCES, INC. 165528 STS-A 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 252769 STS-A 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260176 STUART-PERLITZ RANCH 102H INDIO TANKS (PEARSALL) CABOT OIL & GAS CORPORATION 271932 STUART-PERLITZ RANCH 103M INDIO TANKS (PEARSALL) CABOT OIL & GAS CORPORATION 275699 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 "A" 1 ED STUMBERG (OLMOS A) BOTASCH OPERATING, LLC 118410 STUMBERG RANCH 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260132 STUMBERG RANCH 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260133 STUMBERG RANCH 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 260134 STUMBERG RANCH 4HR BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264116 STUMBERG RANCH 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264117 STUMBERG RANCH 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264118 STUMBERG RANCH 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266100 STUMBERG RANCH 8H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266353 STUMBERG RANCH 9H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266357 STUMBERG RANCH 10H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266595 STUMBERG RANCH 11H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266718 STUMBERG RANCH 12H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266719 STUMBERG RANCH 16H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267111 STUMBERG RANCH 17H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267113 STUMBERG RANCH 18H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267115 STUMBERG RANCH 19H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267555 STUMBERG RANCH 20H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267560 STUMBERG RANCH 21H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267561 STUMBERG RANCH 22H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267771 STUMBERG RANCH 23H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267828 STUMBERG RANCH 24H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267831 STUMBERG RANCH 25H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269050 STUMBERG RANCH 26H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269052 STUMBERG RANCH 27HR AMMANN (BUDA) ANADARKO E&P ONSHORE LLC 273038 STUMBERG RANCH 27HR BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269070 STUMBERG RANCH 28H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269104 STUMBERG RANCH 29H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269074 STUMBERG RANCH 30H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269106 STUMBERG RANCH 31H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269108 STUMBERG RANCH 32H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269112 STUMBERG RANCH 33H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269127 STUMBERG RANCH 34H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269128 STUMBERG RANCH 35H AMMANN (BUDA) ANADARKO E&P ONSHORE LLC 272828 STUMBERG RANCH 35H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 269136 STUMBERG RANCH 36H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273148 STUMBERG RANCH 37H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273186 STUMBERG RANCH 38H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273459 STUMBERG RANCH 39H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273319 STUMBERG RANCH 40H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272914


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ STUMBERG RANCH 41H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273236 STUMBERG RANCH 42H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273237 STUMBERG RANCH 43H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273025 STUMBERG RANCH 44H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273329 STUMBERG RANCH 45H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273975 STUMBERG RANCH 46H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273982 STUMBERG RANCH 47H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275977 STUMBERG RANCH 48H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273990 STUMBERG RANCH 49H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 275844 STUMBERG RANCH 50H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273330 STUMBERG RANCH 51H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273352 STUMBERG RANCH 52H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 273678 STUMBERG RANCH UNIT A 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272130 STUMBERG RANCH UNIT A 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272167 STUMBERG RANCH UNIT A 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272168 STUMBERG RANCH UNIT A 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272033 STUMBERG RANCH UNIT A 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272034 STUMBERG RANCH UNIT A 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272035 STUMBERG RANCH UNIT A 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272036 STUMBERG RANCH UNIT B 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272401 STUMBERG RANCH UNIT B 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272402 STUMBERG RANCH UNIT B 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272403 STUMBERG RANCH UNIT B 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272404 STUMBERG RANCH UNIT B 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272405 STUMBERG RANCH UNIT B 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272406 STUMBERG RANCH UNIT B 7H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272407 STUMBERG UNIT 1 ED STUMBERG (OLMOS A) BOTASCH OPERATING, LLC 114771 STUMBERG UNIT 2 ED STUMBERG (OLMOS A) BOTASCH OPERATING, LLC 116836 STUMBERG UNIT 4 ED STUMBERG (OLMOS A) BOTASCH OPERATING, LLC 135808 SWEETEN 2801 ROCKSPRINGS, W. (CANYON) SAGA PETROLEUM LLC OF COLORADO 139206 SWEETEN 4801 EPPERSON (CANYON SAND) 3-M ENERGY CORPORATION 133547 SWR 1 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 161145 SWR 2 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 161675 SWR 3 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 161147 SWR 4 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 161665 SWR 5 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 161148 SWR 6 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 162065 SWR 7 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 165372 SWR "B" 1 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 159777 SWR "B" 2 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 160164 SWR "B" 3 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 160457 SWR "B" 5 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 162047 SWR "B" 6 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 162044 SWR "B" 7 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 162259 SWR "B" 8 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 162050 SWR "B" 11 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 162599 SWR "B" 14 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 162613 SWR "B" 16 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 211769 SWR "C" 1 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 160166 SWR "D" 1 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 160462 SWR "D" 2 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 159983


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ SWR "D" 3 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 162601 SWR "D" 4 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 163382 SWR "G" 1 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 164931 SWR "G" 2 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 243061 SWR "H" 1 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 160191 SWR "H" 2 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 160536 SWR "H" 3 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 160458 SWR "H" 4 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 161439 SWR "H" 5 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 164930 SWR "H" 6 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 161654 SWR "H" 7 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 164080 SWR "H" 8 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 167083 SWR "H" 9 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 164934 SWR "H" 10 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 162725 SWR "H" 12 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 165038 SWR "H" 14 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 164076 SWR "H" 15 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 165373 SWR "H" 16 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 165045 SWR "H" 18 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 178527 SWR "H" 19 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 180329 SWR "J" 2 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 163892 SWR "J" 3 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 169212 SWR "J" 4 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 178932 SWR "J" 5 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 241832 SWR "M" 1 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 169159 SWR "M" 2 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 169163 SWR "M" 3 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 171462 SWR "M" 4 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 171464 SWR "M" 5 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 243841 SWR "N" 1 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 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, G. E. 2 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000044


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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 1321 LOS CUATROS (LOWER CRETACEOUS) NEWFIELD EXPLORATION COMPANY 213165 TAYLOR-CARSON TURNEY UNIT 1 LOS CUATROS (LOWER CRETACEOUS) QUEMADO ENERGY, L.L.C. 081977 TEAL 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 261912 TEN F PARTNERS 2 GRISELDA (OLMOS 3518) SAGE ENERGY COMPANY 257619 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) TERVITA, LLC 265589 TEXACO FEE GAS UNIT 160 BONNE TERRE (10600) COLUMBUS ENERGY, LLC 127409 TEXACO FEE GAS UNIT 260 BONNE TERRE (10770) COLUMBUS ENERGY, LLC 148720 TEXACO FEE GAS UNIT 360 C BONNE TERRE (10770) COLUMBUS ENERGY, LLC 127660 TEXACO FEE GAS UNIT 360 T BONNE TERRE (10970) COLUMBUS ENERGY, LLC 127872 TEXACO FEE GAS UNIT 460 BONNE TERRE (REAGAN 9700) COLUMBUS ENERGY, LLC 128513 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 THETFORD-TEAL UNIT NO. 1 1 A.W.P. (OLMOS) MILAGRO EXPLORATION, LLC 253226 THETFORD-TEAL UNIT NO. 2 1 A.W.P. (OLMOS) MILAGRO EXPLORATION, 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


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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) ANADARKO E&P ONSHORE LLC 268307 TOVAR WEST-LLOYD 34 UNIT 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 266450 TOVAR WEST-LLOYD 63 A UNIT 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263892 TOVAR WEST-LLOYD 63 B UNIT 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 267110 TOVAR WEST-LLOYD 69 A UNIT 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268308 TOVAR WEST-LLOYD 75 A UNIT 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264810 TOVAR WEST-LLOYD 77 UNIT 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 264811 TOVAR WEST-LLOYD 79 A UNIT 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 263904 TOVAR WLC A UNIT 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268896 TOVAR WLC A UNIT 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268899 TOVAR WLC A UNIT 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 268913 TOVAR WLC A UNIT 4H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272039 TOVAR WLC A UNIT 5H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272040 TOVAR WLC A UNIT 6H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 272041 TOVAR WLC B UNIT 1H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271912 TOVAR WLC B UNIT 2H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE LLC 271922 TOVAR WLC B UNIT 3H BRISCOE RANCH (EAGLEFORD) ANADARKO E&P ONSHORE 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 TRI-BAR 63 19 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 204349 TRIBAR, D. W. 56 "C" 4 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 158834 TRIBAR, D. W. 56 "C" 8 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 178340 TRIBAR, D. W. 56C 6 TRI BAR (ESCONDIDO) LEWIS PETRO PROPERTIES, INC. 179177 TRIBAR, D. W. 56C 10 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 191316 TRIPLE BAR "A" 1 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 155461 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 RANCH "G" 3 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 078529 TRIPLE BAR 55 "A" 4 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 158059 TRIPLE BAR 55 G 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 156638 TRIPLE BAR 55 G 3 TRI BAR (ESCONDIDO) LEWIS PETRO PROPERTIES, INC. 158060 TRIPLE BAR 55 G 5 TRI BAR (ESCONDIDO) LEWIS PETRO PROPERTIES, INC. 238222 TRIPLE BAR 55 G 5 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 214624 TRIPLE BAR 55G 2 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 157545 TRIPLE BAR 55G 6 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 220833 TRIPLE BAR 56C 7 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 169784 TRIPLE BAR 59 E 1 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 165770 TRIPLE BAR 59 E 4 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 165034 TRIPLE BAR 59 E 2 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 163673 TRIPLE BAR 59 E 3 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 160197 TRIPLE BAR 59E 1 TRI BAR (ESCONDIDO) LEWIS PETRO PROPERTIES, INC. 175066


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ TRIPLE BAR 63 C 7 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 167930 TRIPLE BAR 63 E 6 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 167691 TRIPLE BAR 63 C 8 TRI BAR, NORTH (OLMOS) LEWIS PETRO PROPERTIES, INC. 169398 TRIPLE BARR 55 F 1 TRI BAR, NORTH (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 TUCKER, R. L. ET AL UNIT 1 ROOS (WILCOX 7500) PROGAS PROPERTIES, INC. 000443 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) XOG OPERATING LLC 080425 TURNER, L. M. JR. 13 SOMERSET TURNER, L. M. JR. 141197 TURNEY 1A FRANCES HILL (PENN, LOWER) MARSHALL & WINSTON, INC. 159577 TURNEY-WINN EXPLORATION CO., INC 1 LOS CUATROS (LOWER CRETACEOUS) XOG OPERATING LLC 076702 TURNEY-WINN EXPLORATION CO., INC 2 LOS CUATROS (LOWER CRETACEOUS) XOG OPERATING LLC 078778 TURNEY-WINN EXPLORATION CO., INC 3 LOS CUATROS (LOWER CRETACEOUS) XOG OPERATING LLC 079445 TURNEY-WINN EXPLORATION CO., INC 4 LOS CUATROS (LOWER CRETACEOUS) XOG OPERATING LLC 079021 TYLER RANCH 1 A.W.P. (OLMOS) SV ENERGY COMPANY, LLC 257603 UNIVERSITY 54 17 5 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 244258 UNIVERSITY 54 21 2 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 262328 UNIVERSITY 54-24 1 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 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 UNO MAS A 3 TRI BAR (OLMOS) VIRTEX OPERATING COMPANY, INC. 266207 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-) MOMENTUM OIL & GAS, LLC 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-) MOMENTUM OIL & GAS, LLC 056013 URBANCZYK GU 3 2 U FASHING (EDWARDS LIME -A-) MOMENTUM OIL & GAS, LLC 054465 URBANCZYK GU 3 3 L FASHING (EDWARDS LIME -B-) MOMENTUM OIL & GAS, LLC 088798 URBANCZYK GU 3 3 U FASHING (EDWARDS LIME -A-) MOMENTUM OIL & GAS, LLC 088797 URBANCZYK GU 3 4 FASHING (EDWARDS LIME -A-) MOMENTUM OIL & GAS, LLC 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 VAN CLEVE, W. M. 2 PILOSA (SAN MIGUEL) LONESOME DOVE OIL & GAS 000384 VANDY 82 1 WILDCAT APACHE CORPORATION 253237 VAUGHAN 1 PEACH CREEK (AUSTIN CHALK) DIAMOND M DRLG & EXPL CO. 271875 VELESKY 1 WILDCAT SCULLY EXPLORATION LLC 251848 VELESKY 2 WILDCAT SCULLY EXPLORATION LLC 256044 VENADO 2 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 229766 VENADO 3 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 230677 VENADO 4 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 230633


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ VENADO 23 SUN T S H (OLMOS) SWIFT ENERGY OPERATING, LLC 243365 VERNOR 2 WILDCAT SWARTZ OIL COMPANY 233665 VESTER A UNIT 10H HAWKVILLE (EAGLEFORD SHALE) CARRIZO (EAGLE FORD) LLC 265593 VESTER B UNIT 11H HAWKVILLE (EAGLEFORD SHALE) CARRIZO (EAGLE FORD) LLC 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 VICKNAIR 3 HAGIST RANCH, N. (WILCOX 8600) FINLEY RESOURCES, INC. 243838 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) NEWFIELD EXPLORATION COMPANY 201742 VIVION 1 BRISCOE RANCH (EAGLEFORD) ROSETTA RESOURCES OPERATING LP 266427 VOLPE RANCH 1 TRI BAR (OLMOS) LEWIS PETRO PROPERTIES, INC. 171312 VOLPE-SCHOOLFIELD 62 2 TRI BAR (ESCONDIDO) LEWIS PETRO PROPERTIES, INC. 179620 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 VOTAW 5 SAINT THIRTEEN (OLMOS NO. 1) CARRIZO EXPLORATION, INC. 126714 W. R. 1 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 157979 W. R. 2 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 157976 W. R. 3 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 157981 W. R. 4 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 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. 3 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 000052 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. 7 BIG FOOT, WEST (GAS) VIRTEX OPERATING COMPANY, INC. 033701 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) NEWFIELD EXPLORATION COMPANY 186006 WALKER, R. C. 2 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 221162 WALKER, W. T. JR. 1 HGL (GEORGETOWN) WALKER, W. T., JR. 107516 WALL, M. BLANCHE 2 GAUSE HOUSTON PETROLEUM COMPANY 125971 WALLACE, J. C. 1 JOURDANTON EAGLE ROCK OPERATING COMPANY,LLC 144910 WALLACE, J. C. 2 JOURDANTON EAGLE ROCK OPERATING COMPANY,LLC 150676 WALLACE, J. C. 5 JOURDANTON EAGLE ROCK OPERATING COMPANY,LLC 152318 WALLACE, J. C. 9 WILDCAT EAGLE ROCK OPERATING COMPANY,LLC 248995 WALLACE, J. C. 10 JOURDANTON EAGLE ROCK OPERATING COMPANY,LLC 215206 WALLACE, J.C. 11 JOURDANTON EAGLE ROCK OPERATING COMPANY,LLC 225263 WARD 127 20 KELLEY (ELLENBURGER) ENERVEST OPERATING, L.L.C. 253296 WARDLAW 9A VINEGARONE (STRAWN) VANGUARD PERMIAN, LLC 162206 WARDLAW 801 WILDCAT UHC PETROLEUM CORPORATION 234000 WARDLAW "52" 1 WILDCAT CONQUISTADOR EXPL & PROD LLC 172124 WASHBURN RANCH 02 07H HAWKVILLE (EAGLEFORD SHALE) PIONEER NATURAL RES. USA, INC. 275820 WASHBURN RANCH 02 08H HAWKVILLE (EAGLEFORD SHALE) PIONEER NATURAL RES. USA, INC. 275821 WASHBURN RANCH 02 09H HAWKVILLE (EAGLEFORD SHALE) PIONEER NATURAL RES. USA, INC. 275822 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


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ WATSON STATE 4H BRISCOE RANCH (EAGLEFORD) SM ENERGY COMPANY 268491 WAYNE WEST RANCH "A" 1 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 099806 WAYNE WEST RANCH "A" 2 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 102697 WAYNE WEST RANCH "A" 2A MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 157218 WAYNE WEST RANCH "A" 3 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 103785 WAYNE WEST RANCH "A" 4 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 148510 WAYNE WEST RANCH "A" 5 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 149282 WAYNE WEST RANCH "A" 6 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 153127 WAYNE WEST RANCH "AB" 1 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 172891 WAYNE WEST RANCH "B" 1 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 103165 WAYNE WEST RANCH "B" 2 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 104730 WAYNE WEST RANCH "B" 3 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 105972 WAYNE WEST RANCH "B" 4 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 152991 WAYNE WEST RANCH "B" 5 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 107525 WAYNE WEST RANCH "B" 7 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 150571 WAYNE WEST RANCH "B" 8 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 159575 WEBB COUNTY SCHOOL LAND 504 42H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274956 WEBB COUNTY SCHOOL LAND 504 44H BRISCOE RANCH (EAGLEFORD) LEWIS PETRO PROPERTIES, INC. 274274 WEBB, F. J. 1 PENA CREEK (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 228815 WEBB, F. J. 5 PENA CREEK (ESCONDIDO 1700) ENERGYQUEST II, LLC 153085 WEBB, F.J. UNIT 1 1678ST PENA CREEK (GEORGETOWN) NEWFIELD EXPLORATION COMPANY 215220 WEBB, J.A. 15 PENA CREEK (OLMOS 2400) ENERGYQUEST II, LLC 152975 WEDDINGTON, ADELINE 1 FASHING (EDWARDS LIME -A-) CRIMSON EXPLORATION OPER., INC. 000229 WEDDINGTON, ADELINE 4 FASHING (EDWARDS LIME -A-) CRIMSON EXPLORATION OPER., INC. 078069 WEEKS A UNIT A 2H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 267325 WEEKS B UNIT C 1H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 271046 WEEKS C UNIT C 3H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 271122 WEEKS D UNIT E 1H HAWKVILLE (EAGLEFORD SHALE) TALISMAN ENERGY USA INC. 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-) WAGNER OIL COMPANY 156646 WEGNER ET AL GAS UNIT 5 FASHING (EDWARDS LIME -A-) WAGNER OIL COMPANY 192721 WELDON SCHORP-PRICKLY PEAR UNIT 101H INDIO TANKS (PEARSALL) CABOT OIL & GAS CORPORATION 271065 WELDON SCHORP-SANDSPUR UNIT 101H INDIO TANKS (PEARSALL) CABOT OIL & GAS CORPORATION 272575 WENZEL, BENNIE -B- 2 MINERVA-ROCKDALE COTTONWOOD CREEK ENTERPRISES LLC 147012 WEST 1 DE JORIA (OLMOS) DAWSEY OPERATING COMPANY 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 WEST "E" 1 MASSIE (STRAWN) HENRY PETROLEUM LLC 152294


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ 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) CRIMSON EXPLORATION OPER., INC. 000347 WEST, G. W. 8 LEONA RIVER (ESCONDIDO D-1) CRIMSON EXPLORATION OPER., INC. 120088 WEST, G. W. 10 LEONA RIVER (OLMOS, SECOND) CRIMSON EXPLORATION OPER., INC. 184782 WEST, G.W. 8 CARRIZO (ESCONDIDO 1350) CRIMSON EXPLORATION OPER., INC. 265245 WEST, WAYNE RANCH "A" 7 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 168119 WEST, WAYNE RANCH "A" 8 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 166926 WEST, WAYNE RANCH "A" 9 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 172839 WEST, WAYNE RANCH "B" 9 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 166943 WEST, WAYNE RANCH "B" 10 MASSIE (STRAWN) CHEVRON MIDCONTINENT, L.P. 165571 WHARTON WEAVER UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 266149 WHATABURGER -A- UNIT 1 ED STUMBERG (OLMOS A) BOTASCH OPERATING, LLC 124622 WHATABURGER UNIT 2 ED STUMBERG (OLMOS A) BOTASCH OPERATING, LLC 135626 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) BHP BILLITON PET(TXLA OP) CO 265373 WHEELER MCTEE 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 268144 WHEELER UNIT 1 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 266930 WHEELER UNIT 1 2H EAGLEVILLE (EAGLE FORD-1) BHP BILLITON PET(TXLA OP) CO 273736 WHEELER UNIT 8 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 269137 WHEELER 2 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 267740 WHEELER 2 4H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 274048 WHEELER 3 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 266929 WHEELER 3 6H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272757 WHEELER 3 9H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 272765 WHEELER 5 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 266255 WHEELER 5 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271206 WHEELER 5 3H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270938 WHEELER 5 6H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 271232 WHEELER 7 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 267488 WHEELER-TWO RIVERS 1 WHEELER-MAG (HOCKLEY 800) PINKLEY, GEORGE R. 000515 WHEELER, CHARLES -B- 1B DRAGOON CREEK (GOVT. WELLS, UP.) WELHAUSEN OPERATING COMPANY, LP 158937 WHEELER, CHARLES -B- 2B DRAGOON CREEK (GOVT. WELLS, UP.) WELHAUSEN OPERATING COMPANY, LP 158847 WHEELER, CLIFTON 1 A.W.P. (OLMOS) WELHAUSEN OPERATING COMPANY, LP 119260 WHEELER, CLIFTON 1 LA JOLLA RANCH E. (SLIGO) UMMA RESOURCES, LLC 107743 WHEELER, CLIFTON 2 A.W.P. (OLMOS) WELHAUSEN OPERATING COMPANY, LP 119258 WHEELER, CLIFTON 3 A.W.P. (OLMOS) WELHAUSEN OPERATING COMPANY, LP 119257 WHEELER, CLIFTON 3 SAN MIGUEL CREEK (EDWARDS LIME) ENERQUEST OPERATING L.L.C. 000455 WHEELER, CLIFTON 5B A.W.P. (OLMOS) WELHAUSEN OPERATING COMPANY, LP 119259 WHEELER, CLIFTON 8 SAN MIGUEL CREEK (EDWARDS LIME) ENERQUEST OPERATING L.L.C. 053576 WHEELER, CLIFTON 8B A.W.P. (OLMOS) WELHAUSEN OPERATING COMPANY, LP 119998 WHEELER, CLIFTON 9 SAN MIGUEL CREEK (EDWARDS LIME) ENERQUEST OPERATING L.L.C. 065792 WHEELER, CLIFTON 9B A.W.P. (OLMOS) WELHAUSEN OPERATING COMPANY, LP 126711


------------------------------------------------------------------------------------------------------------------------------------ LEASE NAME WELL FIELD NAME ORGANIZATION GAS ID NUMBER NAME------------------------------------------------------------------------------------------------------------------------------------ WHEELER, CLIFTON ET AL 3 RHODE RANCH, W. (WILCOX 8800) UMMA RESOURCES, LLC 165025 WHEELER, COLE JEARL 10 A.W.P. (OLMOS) WELHAUSEN OPERATING COMPANY, LP 132929 WHEELER, MARY ANN 2 J. M. BRACKEN (7000 WILCOX) WHEELER, JOHN D. 142503 WHIPPLE A 1H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 260590 WHIPPLE A 2H HAWKVILLE (EAGLEFORD SHALE) BHP BILLITON PET(TXLA OP) CO 270102 WHITEHEAD 7301 FOUR MILLS (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 206926 WHITEHEAD 7401 FOUR MILLS (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 209358 WHITEHEAD 7402 FOUR MILLS (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 214595 WHITEHEAD 7403 FOUR MILLS (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 245144 WHITEHEAD 8501 FOUR MILLS (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 227623 WHITEHEAD 8502 FOUR MILLS (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 228817 WHITEHEAD "A" 7905 LANGTRY (CANYON) NEWFIELD EXPLORATION COMPANY 196262 WHITEHEAD "B" 7803 LANGTRY (CANYON) NEWFIELD EXPLORATION COMPANY 184012 WHITEHEAD "B" 7804 LANGTRY (CANYON) NEWFIELD EXPLORATION COMPANY 185136 WHITEHEAD "B" 7805 LANGTRY (CANYON) NEWFIELD EXPLORATION COMPANY 185130 WHITEHEAD "C" 7703 LANGTRY (CANYON) NEWFIELD EXPLORATION COMPANY 185115 WHITEHEAD "30" 1 WILDFLOWER (STRAWN) PATTON, E. N. OIL COMPANY, INC. 163948 WHITEHEAD "45" 1 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 177421 WHITEHEAD "45" 1 WILDFLOWER (STRAWN) PATTON, E. N. OIL COMPANY, INC. 164283 WHITEHEAD "45" 2 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 179619 WHITEHEAD "45" 5 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 196406 WHITEHEAD "45" 6 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 199656 WHITEHEAD "45" 7 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 206411 WHITEHEAD "45" 8 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 242033 WHITEHEAD "46" 1 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 199658 WHITEHEAD "46" 2 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 205802 WHITEHEAD "46" 3 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 211611 WHITEHEAD 45 3 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 182081 WHITEHEAD 45 4 VINEGARONE, E. (PENN. SAND) NEWFIELD EXPLORATION COMPANY 181621 WHITEHEAD 85 G.U. 1 H 3ST FOUR MILLS (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 233655 WHITEHEAD-WARDLAW 9401 FOUR MAJORS (ELLENBURGER) RIO-TEX, INC. 251791 WHITEHEAD, F. H. 8601 FOUR MILLS (ELLENBURGER) NEWFIELD EXPLORATION COMPANY 235233 WHITEHURST 1H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 260166 WHITEHURST 3 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 162618 WHITEHURST 5H A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 271047 WHITEHURST 7 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 213264 WHITEHURST 8 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 220091 WHITEHURST 9 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 220904 WHITEHURST 10 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 220166 WHITEHURST 15 A.W.P. (OLMOS) SWIFT ENERGY OPERATING, LLC 243837 WHITEHURST-J.V. 1 H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 260115 WHITEHURST-J.V. 2H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 272379 WHITEHURST-J.V. 3H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 274013 WHITEHURST-J.V. 4H HAWKVILLE (EAGLEFORD SHALE) SWIFT ENERGY OPERATING, LLC 274011 WHITFIELD-MARTIN GU 1 SPAULDING (WILCOX SLICK) BLUESTONE NATURAL RES. II, LLC 198809 WHITFIELD-MARTIN GU 2 SPAULDING (WILCOX SLICK) BLUESTONE NATURAL RES. II, LLC 198806 WHITMIRE, W. A. 1 CALLIHAM, SOUTH (1100) ELBO CO., THE 000091 WHITMIRE, W. A. 1 DEBBY (GOV'T WELLS) SCHROEDER PRODUCTION LLC 128827 WHITMIRE, W. A. 2 KIPPY (COLE SD.) SCHROEDER PRODUCTION LLC 120686 WHITMIRE, W. A. 3 DEBBY (GOV'T WELLS) SCHROEDER PRODUCTION LLC 148651 WHITMIRE, W. A. 6 DEBBY (GOV'T WELLS) SCHROEDER PRODUCTION LLC 149361


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