Summer 2008 NAPE Expo Registrant Listing by Company

Company Registrant City State Country (if not U.S.)1st American Spatial Solutions Keppel, Paul Austin Texas1st American Spatial Solutions Searcy, Juana Austin Texas1st NRG Corp Kohlhaas, Charles Golden Colorado200 Coastal, Inc. Hunt Pool, Debbie Houston Texas3D Imaging Hammer, David Houston Texas3DGeo Inc. Chelette, Stephen L. Houston Texas3-T Exploration Hickman, Jerry Wichita Falls Texas3-T Exploration, Inc. Thacker, Ty Wichita Falls Texas5McC Company, LLC McCarthy, Ben Houston Texas817-946-9262 Callihan, Reece Denton Texas817-946-9262 Callihan, River Denton TexasA&D Watch Oil & Gas Investor Toon, Steve Houston TexasAAPG Beighle, Vicki Tulsa OklahomaAAPG Fritz, Richard Tulsa OklahomaAAPG Mueller, Nancy Tulsa OklahomaAAPG Smith, Tom Tulsa OklahomaAAPL Callihan, Le'Ann Fort Worth TexasAAPL Davis, Kelly Fort Worth TexasAAPL Forte', Robin Fort Worth TexasAAPL Laplante, Daphne Fort Worth TexasAAPL Mealy, Martha Fort Worth TexasAAPL Nelson, Dan Fort Worth TexasAAPL Petty, Chelsea Fort Worth TexasAAPL Rosprim, Richard Fort Worth TexasAAPL Spencer, Andrea Fort Worth TexasAAPL Tinsley, Sarah Fort Worth TexasAAPL Wilson, Brad Fort Worth TexasABC Company Dallas, Mary Houston TexasAbexco Alcorn, George Houston TexasAbexco Beard, Richard Houston TexasAbexco Pullman, Norman Houston TexasAbraxas Petroleum Corporation Billingsley, Lee San Antonio TexasAbraxas Petroleum Corporation Bommer, Pete San Antonio TexasAbraxas Petroleum Corporation Stuckey, Barbara San Antonio TexasAbraxas Petroleum Corporation Watson, Robert San Antonio TexasAC Exploration LLC Odegard, Michael Houston TexasAccess Exploration Corp. Long, Bobby Denver ColoradoAccess Exploration Corp. Morgan, Alan Houston TexasAccess Exploration Corp. Morrow, Tom Houston TexasAccess Exploration Corp. Rosenberg, Richard Houston TexasACE MPS Kyong, Bernie Denville New JerseyACOCK Energy Hamrick, Toby Houston TexasAcock Energy Kennedy, Amparo Houston TexasActiva Resources, Ltd. Coyle, Doug San Antonio TexasActiva Resources, Ltd. Hayes, John San Antonio TexasActiva Resources, Ltd. Keairns, Carter San Antonio TexasActiva Resources, Ltd. Riley, Bobby San Antonio TexasAdageo Energy Landry, Zachary Austin TexasAdams Affiliates, Inc. Alexander, Wade Tulsa OklahomaAddax Exploration James, Chris Wichita Falls TexasAddax Exploration James, Jimmy Wichita Falls TexasAddax Exploration LLC Wilson, Frank Wichita Falls Texas

Summer NAPE 2008 Registrant Listing by Company

Page 1 of 123 2008 Summer NAPE Expo LP Registrant Listing

Company Registrant City State Country (if not U.S.)ADEXCO Production Company Sams, Lourcey Fort Worth TexasAdroit Resources Inc. Murphy, Frances Vancouver BC CanadaAdroit Resources Inc. Rowland, Graeme Vancouver BC Canada

Advance Exploration & Production, Inc. Blair, Holly Houston Texas

Advance Exploration & Production, Inc. Canterbury, Embry Houston Texas

Advance Exploration & Production, Inc. Carter, Carl Houston TexasAdventure Exploration Lucas, Paul Midland TexasAEC Mcguire, Steve Spring TexasAEGON USA Madsen, Neil Cedar Rapids IowaAEGON USA Riffe, Barry Cedar Rapids IowaAEI Acrey, Ian Fort Worth TexasAgile Seismic Stieglitz, Ted Houston TexasAGR Turn Key Drilling, Inc Crews, David Houston TexasAIM Energy Advisors LLC Marcell, David Houston TexasAIM Energy Advisors, LLC Isenhower, Dane Houston TexasAKM Interests Maynard, Amy Houston TexasAlamo Energy, LC McDonald, Tommy San Antonio TexasAlamo Operating Company Deodati, Mike San Antonio TexasAlamo Resources, LLC Campbell, Carl Houston TexasAlamo Resources, LLC Pelletier, Tony Houston TexasAlaskan Crude Corporation White, Jim San Antonio TexasAlbrecht & Associates, Inc. Albrecht, Bob Houston TexasAlbrecht & Associates, Inc. Brown, Norm Denver ColoradoAlbrecht & Associates, Inc. Foltz, Trent Houston TexasAlbrecht & Associates, Inc. Huffman, Gary Houston TexasAlbrecht & Associates, Inc. Laird, Mike Houston TexasAlbrecht & Associates, Inc. McDonald, Don Denver ColoradoAlbrecht & Associates, Inc. Tholen, Kirk Houston TexasAlbrecht & Associates, Inc. Williams, Harrison Houston TexasAldridge Energy Aldridge, Steve Spicewood TexasAlfaro Oil and Gas Andrews, Randy San Antonio TexasAlfaro Oil and Gas, LLC Alfaro, Brian San Antonio TexasAlfaro Oil and Gas, LLC Lathrop, Dick San Antonio TexasAll American Oil & Gas, Inc. Morris, James San Antonio TexasAll American Oil & Gas, Inc. Morris, William San Antonio TexasAllen & Kirmse, Ltd Allen, Durelle Lafayette LouisianaAllen-Hoffman Exploration Co Creger, Steven Houston TexasAllen-Hoffman Exploration Company Allen, James L Houston TexasAllen-Hoffman Exploration Company Arden, Mike Houston TexasAllen-Hoffman Exploration Company Getz, Steven Houston TexasAllen-Hoffman Exploration Company Hoffman, Paul Houston TexasAllen-Hoffman Exploration Company Newton, Reagan Houston TexasAllen-Hoffman Exploration Company Rogers, James Houston TexasAlliance Oil and Gas Company, L.L.C. Dragon, Perry The Woodlands TexasAlliance Oil and Gas Company, L.L.C. Fetters, Tom The Woodlands TexasAlliance Oil and Gas Company, L.L.C. Mitchell, Jeff The Woodlands TexasAlliance Oil and Gas Company, L.L.C. Sellers, Wynne The Woodlands TexasAllied Irish Bank Fenk, Ed Houston TexasAlpine Drilling Program, LP Ferstler, Dennis Houston TexasAlpine Drilling Program, LP Hartman, Harold Houston TexasAlpine Drilling Program, LP Heitmiller, Doug Houston TexasAlpine Drilling Program, LP Kellogg, Dan Houston TexasAlpine Drilling Program, LP McBride, Charlie Houston Texas


Company Registrant City State Country (if not U.S.)Alpine Exploration Co.'s, Inc. Conatser, Will Dallas TexasAlpine Exploration Co.'s, Inc. Crowe, Clifford Dallas TexasAlpine Exploration Co.'s, Inc. Duplantis, Merle Dallas TexasAlpine Exploration Co.'s, Inc. Porretto, Al Dallas TexasAlpine Exploration Co.'s, Inc. Rusch, David Dallas TexasAlpine Exploration Co.'s, Inc. Washington, Tim Dallas TexasAlpine Exploration Co.'s, Inc. Welden, III, Charles V. Dallas TexasAlpine Gas Company, LLC Dunton, David B. Dallas TexasAlpine Inc Thompson, Sheree Houston TexasAlpine, INC. Claxton, Brenda Houston TexasAlta Mesa Holdings LP Smith, Dave Houston TexasAlta Mesa Holdings, LP Mason, John Houston TexasAlta Mesa Holdings, LP Reiss, Ken Houston TexasAlta Mesa Holdings, LP. Logan, Kevin Houston TexasAlta Resources, L.L.C. Greenberg, Joe Houston TexasAlta Resources, L.L.C. Grigsby, Richard Houston TexasAlta Resources, L.L.C. McCarthy, Jenny Houston TexasAlvand Resources Riseden, Rick Houston TexasAlvand Resources Taghdisi, Alan Houston TexasAmahan Energy Development, LLC Knaup, William The Woodlands TexasAmegy Bank Batson, Ken Houston TexasAmegy Bank Chapman, Bryan Houston TexasAmegy Bank Hastings, Allan Dallas TexasAmegy Bank Heckner, Aleks Houston TexasAmegy Bank Helffrich, David Houston TexasAmegy Bank Henry, Chelsea Houston TexasAmegy Bank Jones, Cameron Houston TexasAmegy Bank Karl, Kacy Houston TexasAmegy Bank Kennedy, Steve Houston TexasAmegy Bank Lang, Stewart Dallas TexasAmegy Bank Maples, Grant Dallas TexasAmegy Bank McCarter, Terry Dallas TexasAmegy Bank Murray, John Dallas TexasAmegy Bank Petersen, Chris Houston TexasAmegy Bank Pollard, Jay Dallas TexasAmegy Bank Robinson, Bill Houston TexasAmegy Bank Serice, Mark Houston TexasAmegy Bank Springmeyer, Reid Houston TexasAmegy Bank Starnes, Jason Houston TexasAmegy Bank Thompson, Wakeford Houston TexasAmegy Bank of Texas Collard, Shelley Houston TexasAmegy Bank of Texas Edwards, Mark Houston TexasAmegy Bank of Texas Fried, Margot Houston TexasAmegy Bank of Texas Hauptman, Maria Houston TexasAmegy Bank of Texas Mclean, Scott Houston TexasAmegy Bank of Texas Murphy, Paul Houston TexasAmegy Bank of Texas Petruska, Gregory Houston TexasAmerican Association sub, sub Houston TexasAmerican Capital Energy Corporation Gresham, James Corpus Chrsiti TexasAmerican Energy Investment Group Doyle, Robert Houston TexasAmerican Energy Partners, Inc. Eckard, Troy Boerne TexasAmerican Energy Partners, Inc. Hambly, Donald Boerne TexasAmerican Energy Partners, Inc. Linton, Greg Boerne UtahAmerican Energy Partners, Inc. Philpot, Tim Boerne TexasAmerican Energy Partners, Inc. Retzloff, Terry Boerne Texas


Company Registrant City State Country (if not U.S.)American Energy Partners, Inc. Zamzow, Philip Boerne TexasAmerican Geophysical Corp Sweeny, Karen Englewood ColoradoAmerican Geophysical Corp. Bricco, Pamela Spring TexasAmerican Geophysical Corporation Carder, Leigh The Woodlands TexasAmerican Natural Panexco Overall, Mick Tulsa OklahomaAmerican Natural Panexco Pittnenger, Gary Tulsa OklahomaAmerican Oil & Gas Reporter Cookson, Charlie Derby KansasAmerican Oil & Gas Reporter Cookson, Yvonne Derby KansasAmerican Petroleum Co. Klages, Matthew Aliquippa PennsylvaniaAmerican Petroleum Corporation Coutris, John Addison TexasAmerican Petroleum Corporation Fanning, Jeffrey Addison TexasAmerican Petroleum Corporation Pinedo, Rafael Addison TexasAmerican Shoreline, Inc. Strunk, Paul Corpus Christi TexasAmerican Stock Exchange Poignant, Bruce New York New YorkAmerican Stock Exchange Steedley, Gilbert New York New YorkAmerican Well Drilling Co. Bloom, Dennis Plano TexasAmerica's Heroes Daughenbaugh, Donny Bondurant IowaAmerica's Heroes Herrera, Mary Tucson ArizonaAmerico Sengupta, Som Oklahoma City OklahomaAmeriCo Energy Resources, LLC Bayat, Ghasem Houston TexasAmeriCo Energy Resources, LLC. Taj, Ph.D., Eddie Houston TexasAmerind Oil Company, Ltd. Leibrock, Bob Midland TexasAmeriQuest Resources Ltd. Peak, Roger Houston TexasAmeriQuest Resources, Ltd. Roach, Bill Houston TexasAmeristate Exploration LLC Turner, John Austin TexasAmeristate Exploration, LLC Foy, Steven Austin TexasAmeristate Exploration, LLC Houck, John Austin TexasAmeristate Exploration, LLC Lindsey, Doug Austin TexasAmeristate Exploration, LLC Steadman, Jodi Austin TexasAmeritex Minerals, Inc. Hale, Steve San Antonio TexasAmeritex Minerals, Inc. Little, James San Antonio TexasAmeritex Minerals, Inc. Little, Paul San Antonio TexasAmeritex Minerals, Inc. McGovern, Tim San Antonio TexasAmeritex Minerals, Inc. Price, Gil San Antonio TexasAmeritex Minerals, Inc. Ryan, Richard San Antonio TexasAmeritex Minerals, Inc. Stewart, John San Antonio TexasAmeriWell Drilling Company Bloom, Daniel Plano TexasAmeriWell Drilling Company Hammack, John Plano TexasAminex, USA Inc. Hall, Brian Somerset TexasAminex, USA Inc. Prado, Antonio G Somerset TexasAminex, USA Inc. Prado, Sandra Somerset TexasAnadarko Petroleum Company Seewald, Wayne Houston TexasAnadarko Petroleum Corporation Carroll, Joseph The Woodlands TexasAnadarko Petroleum Corporation Miller, Thomas Denver ColoradoAnadarko Petroleum Corporation Richey, Albert The Woodlands TexasAnardarko Stacy, Kevin Spring TexasAnderson Oil & Gas, Inc. Anderson, Cole Shreveport LouisianaAnderson Oil & Gas, Inc. Crooks, Jay Shreveport LouisianaAnderson Oil & Gas, Inc. Meaney, William Shreveport LouisianaAnderson Oil & Gas, Inc. Sevier, Daniel Shreveport LouisianaAnderson Oil LTD Kornegay, Gary Houston TexasAnderson Oil Ltd. Anderson, Craig Houston TexasAnderson Oil Ltd. Anderson, Kevin Corpus Christi TexasAnderson Oil Ltd. Anderson, Scott Houston TexasAnderson Oil Ltd. Chisholm, Duncan Corpus Christi Texas


Company Registrant City State Country (if not U.S.)Andex Resources, LLC Dodds, Tom Houston TexasAngel Petroleum Company, LLC Roppolo, Carlo Shreveport LouisianaAngelle & Donohue Schoeffler, Franz Lafayette LouisianaAngelle & Donohue Oil & Gas McFaul, Robert Lafayette LouisianaAngelle & Donohue Oil & Gas Donohue, Patrick Lafayette LouisianaAnglo-Dutch Energy L.L.C. McMahon, Harry Houston TexasAnglo-Dutch Energy LLC Van Dyke, Scott Houston TexasAnglo-Suisse Offshore Partners, LLC Biernbaum, Bob Houston TexasAnglo-Suisse Offshore Partners, LLC Fiorito, Tom Houston TexasAnglo-Suisse Offshore Partners, LLC Frodesen, Eric Houston TexasAnglo-Suisse Offshore Partners, LLC Giese, Leon Houston TexasAnglo-Suisse Offshore Partners, LLC Giese, Norm Houston TexasAnglo-Suisse Offshore Partners, LLC Green, Robin Houston TexasAnglo-Suisse Offshore Partners, LLC Harter, Renee Houston TexasAnglo-Suisse Offshore Partners, LLC Murray, Roger Houston TexasAnglo-Suisse Offshore Partners, LLC Romere, Brian Houston TexasAnglo-Suisse Offshore Partners, LLC Scherrer, Gene Houston TexasAnglo-Suisse Offshore Partners, LLC Sherwood, John Houston TexasAnglo-Suisse Offshore Partners, LLC Ward, Skip Houston TexasANKOR Energy LLC Anderson, Michael New Orleans LouisianaANKOR Energy LLC Barber, Frank New Orleans LouisianaANKOR Energy LLC Cope, John David New Orleans LouisianaANKOR Energy LLC McCarty, James New Orleans LouisianaANKOR Energy LLC Meyer, Barbara New Orleans LouisianaANKOR Energy LLC Miguez, Warren New Orleans LouisianaAnschutz Exploration Oursland, Jim Denver ColoradoAnschutz Exploration Corp Bean, Dan Denver ColoradoAnschutz Exploration Corp Carlstrom, George Denver ColoradoAnschutz Exploration Corp Kalstrom, Pam Denver ColoradoAnschutz Exploration Corp Timbel, Margot Denver ColoradoAnschutz Exploration Corporation Bean, Dan Denver ColoradoAnschutz Exploration Corporation Carlstrom, George Denver ColoradoAnschutz Exploration Corporation Hajicek, Scott Denver ColoradoAnschutz Exploration Corporation Kalstrom, Pam Denver ColoradoAnschutz Exploration Corporation Timbel, Margot Denver ColoradoAntares Energy Gentry, Matthew Houston TexasAntares Energy Shoemaker, Greg Woodlands TexasAOA Geophysics Digby, Adrian Houston TexasApache Corporation Berlau, Chuck Katy, Texas TexasApache Corporation Golden, Michael Houston TexasApache Corporation Paxson, Kevin Houston TexasApling, Inc. Sofer, Zvi Houston TexasApogee Resources Luna, Bob Dallas TexasAppalachian Land & Development Hughes, Kristopher Milton West Virginia

Appalachian Land & Development, Inc Bryant, Daniel Oak Ridge TennesseeAppalachian Power & Energy Robinson, Robert Dalton PennsylvaniaAppalachian Power & Energy Williams, Jeff Dalton PennsylvaniaApplalachian Land Development Lynn, Deanna Milton West VirginiaAppleton Personnel Appleton, Janet Houston TexasApplied Drilling Technology Clevenger, Randy Houston TexasApplied Geophysical Services Cramer, John Houston TexasApplied Geophysical Services Weber, Nathan Houston TexasAR Seismic Services, LLC Johnson, Thomas Houston TexasArabella Petroleum Company Hoisager, Chris Fort Worth Texas


Company Registrant City State Country (if not U.S.)Arabella Petroleum Company Hoisager, Jason Fort Worth TexasArchaea Energy, LLC Harrington, David Houston TexasArchaea Energy, LLC Jones, James W. Houston TexasArchaea Energy, LLC Watson, Joe Quealy Houston TexasArchaea Energy, LLC Young, Ken Houston TexasArcis McKay, Thane Alberta CanadaArcturus Green, Kevin Dallas TexasArdent Resources Robinson, Chris Pittsburgh PennsylvaniaArena Resources, Inc. Porter, William Midland TexasARES Energy, Ltd. Clanton, Henry Midland TexasARES Energy, Ltd. Dimit, Robert Midland TexasArgus Media Inc. Kra;pwetz, Jeff Houston TexasAries Operating, LP Hollo, Reuven Houston TexasAries Operating,LP Lockwood, Steve Houston TexasArkex Bate, Duncan Houston TexasArkex Carter, Steve Houston TexasArklatex Acq. LLC Nuttal, A. James Fort Worth TexasArk-La-Tex Energy, LLC Boudreaux, Michael Shreveport LouisianaArk-La-Tex Energy, LLC Rutherford, Ricky Shreveport LouisianaArmstrong Oil & Gas Furin, Matthew Denver ColoradoArmstrong Oil & Gas, Inc. Claypool, Alexander Denver ColoradoArmstrong Oil & Gas, Inc. Teng, Edward Denver ColoradoArmstrong Oil & Gas, Inc. VanDenburg, Colby Denver ColoradoArmstrong Oil and Gas Armstrong, Bill Denver ColoradoArmstrong Oil and Gas Kerr, Ed Denver ColoradoArmstrong Oil and Gas Lyslo, Jeff Denver ColoradoArmstrong Oil and Gas Sommer, Jesse Denver ColoradoAspect Abundan Henderson, James Arvada ColoradoAspect Abundant Shale LP Bowman, Thomas Denver ColoradoAspect Abundant Shale LP Lipari, Stephen Denver ColoradoAspect Abundant Shale LP Sycamore, Debby Denver ColoradoAspect Energy Sander, Al Houston TexasAspect Energy LLC Baily, Scott Denver ColoradoAspect Energy LLC Burley, Bruce Denver ColoradoAspect Energy LLC Pierson, Craig Denver ColoradoAspect Energy LLC Sommer, Jerry Denver ColoradoAspect Energy, LLC Clawson, Steven Denver ColoradoAspect International Pearson, Steve Budapest HungaryAspen Discovery Wilpitz, Scott Fort Worth TexasAspen Discovery, LP Carlisle, Phil Fort Worth TexasAspen Discovery, LP Popkess, Don Bowie TexasAspen Discovery, LP Vickers, Keith Fort Worth TexasAspen Discovery, LP Wilpitz, Louis Fort Worth TexasAspen Pipeline Bourquein, Russ Houston TexasAsset Risk Management, LLC Croom, Chris Spring TexasAsset Risk Management, LLC Lee, Zachary Spring TexasAssociated Press Poretto, John Houston Texas

Association of Desk and Derrick Clubs Adams, Judi Houston Texas

Association of Desk and Derrick Clubs Campbell, Carolyn Sugar Land Texas

Association of Desk and Derrick Clubs Landrum, Barbara Sugar Land Texas

Association of Desk and Derrick Clubs Rogers, June Humble TexasAssured Realty Valk, Don Dallas Texas


Company Registrant City State Country (if not U.S.)Assured Realty Valk, Shawn Dallas TexasaStar Energy LLC Lu, Alex Houston TexasaStar Energy LLC Yang, Katherine Houston TexasAtec Energy Ventures Weller, Charlie Houston TexasAtec Energy Ventures Weller, Steven Houston TexasAtlas Energy Koro, Philip Traverse City MichiganATP Oil & Gas Corporation Harrison, Trevor Houston TexasATP Oil & Gas Corporation Kennedy, Jerry Houston TexasATP Oil & Gas Corporation McGinty, Tim Houston TexasATP Oil & Gas Corporation Morris, George Houston TexasATP Oil & Gas Corporation Rao, Min Houston TexasATP Oil & Gas Corporation Tomlin, James Houston TexasATP Oil & Gas Corporation Walraven, Clark Houston TexasATP Oil & Gas Corporation Wells, James Houston TexasAttorney Minniece, John Houston TexasAttorney Royall, Tucker Palestine TexasAudubon Oil & Gas, LLC Hughes, Zachary Henderson KentuckyAulds Energy Investments LLC Aulds, Chris Plano TexasAustin Powder Company Kelly, Mark Katy TexasAvanti Exploration LLC Dorn, Forest Denver ColoradoAvanti Exploration LLC Gray, Marion Denver ColoradoAvanti Exploration LLC Knell, Bud Denver ColoradoAvanti Exploration LLC McIntyre, John Denver ColoradoAvia International Travel/HRG Castagna, Lia Houston TexasAvia International Travel/HRG Dawson, Catherine Houston TexasAxis Exploration, Inc. Helms, Rob Azle TexasAyco Energy Ashmun, John Houston TexasAyco Energy Marcantel, Jon Houston TexasAyco Energy Swize, Charlie Houston TexasAztec Oil & Gas, Inc. Fisher, Franklin Houston TexasAzurite Resource Group Svoboda, Mark Edmond OklahomaB & S Exploration Schott, Randall Houston TexasB & S Exploration Inc. Bennett, James Houston TexasB & S Resources Ullrich, Will Houston TexasB D Production Co., Inc. Durst, Lee Corpus Christi TexasB D Production Company, Inc. Durst, Robby Corpus Christi TexasB N P Thibeaux, John Houston TexasBachtell Oil & Gas Bachtell, Mike J. Bossier City LouisianaBadger Oil Yunker, Jerry Lafayette LouisianaBadger Oil Corporation Crane, James Lafayette LouisianaBadger Oil Corporation Etienne, David Lafayette LouisianaBadger Oil Corporation Hebert, Gary Lafayette LouisianaBadger Oil Corporation Maley, Steve Lafayette LouisianaBadger Oil Corporation Peyton, Russell Lafayette LouisianaBadger Oil Corporation Sobba, Donald Lafayette LouisianaBAE Systems Malkoff, Donald Centreville VirginiaBAE Systems Poussard, Marc San Diego CaliforniaBagby Energy Bagby, Howard Fort Smith ArkansasBagby Energy Burnett, Kyle Dallas TexasBagby Energy Cowden, Don Fort Smith ArkansasBagby Energy Jacobs, Teresa Fort Smith ArkansasBagby Energy Menke, Larry Dallas TexasBagby Energy Payne, Marshall Dallas TexasBagby Energy Picco, Therese Fort Smith ArkansasBagby Energy Still, Charles Fort Smith Arkansas


Company Registrant City State Country (if not U.S.)Baker & Donelson Poitevent, Edward New Orleans LouisianaBaker Atlas Denver, Peter Midlothian TexasBaker Energy Pollock, George Denver ColoradoBaker Hughes Wursthorn, Tom Victoria TexasBancroft Resources Company Bancroft, William Dallas TexasBank of America Becker, Doug New York New YorkBank of Oklahoma, N. A. Sherrer, Lindsay Oklahoma City OklahomaBank of Scotland Butler, Richard C. Houston TexasBank of Scotland Gibbs, Valerie Houston TexasBank of Scotland Nelson, Trudy Houston TexasBank of Scotland Rainosek, Terry Houston TexasBank of Scotland Vermaelen, Doug Houston TexasBank Of Texas Almeida, Paul Houston TexasBank of Texas Dalton, Jeff Houston TexasBank of Texas Macdonald, Julia Dallas TexasBank of Texas Olmstead, Jeff Dallas TexasBank of Texas Steele, Daniel Houston TexasBank of Texas, N.A. Salazar, Mari Houston TexasBank of Texas, N.A. Wilson, Marty Houston TexasBarchfeld Productions Barchfeld, Gary Houston TexasBarite Rose Energy Alletag, Gregg Oklahoma City OklahomaBarnett Exploration, Inc. Cheek, Paula Allen TexasBarnett Exploration, Inc. Cheek, Ron Allen TexasBarwis Interests LTD Barwis, Paul Loveland ColoradoBAS Oil and Gas Grawe, Mark Dallas TexasBAS Oil and GAs Means, Vince Dallas TexasBAS Oil and Gas Ronca, Michael Dallas TexasBASA Resources, Inc. Warren, Butch Dallas TexasBaseline Oil & Gas Corp. Kaetzer, Thomas Houston TexasBaseline Oil & Gas Corp. Rentrop, Derik Houston TexasBasic Earth Science Systems Singleton, Ray Denver ColoradoBasin Exploration, Inc. Despot, Braden Lafayette LouisianaBasin Petroleum, LLC Miller, Bernie Lexington KentuckyBasin Petroleum, LLC Miller, Stephen Lexington KentuckyBass Enterprises Production Co. Banks, Don Fort Worth TexasBass Enterprises Production Co. Hillis, George Fort Worth TexasBass Enterprises Production Co. McCreight, Frank Fort Worth TexasBass Enterprises Production Co. Montgomery, Monty Fort Worth TexasBass Enterprises Production Co. Muncy, Lee Fort Worth TexasBass Enterprises Production Co. Potter, Keith Fort Worth TexasBass Enterprises Production Co. Roper, Mitch Fort Worth TexasBass Enterprises Production Co. Sutton, Ross Fort Worth TexasBay Geophysical, Inc. DiPonio, Gene Traverse City MichiganBayou Bend Petroleum Dwyer, William New Orleans LouisianaBayou Bend Petroleum Stuart, Mindy Lafayette LouisianaBayou State Land Service, LLC Love, Louis Lafayette LouisianaBayswater E&P, LLC Struna, Steve Denver ColoradoBBX Gaines, John Austin TexasBBX, L.L.C. Telfer, Matthew Austin TexasBCCK Engineering, Inc. Hall, Gregory Midland TexasBCCK Engineering, Inc. Harper, Stephens Midland TexasBCF Group Fowler, Ellen Houston TexasBCM Energy Partners LLC Beach, David New York New YorkBeachcomber Oil and Gas Inc. Bukowski, Charlie Cypress TexasBeachcomber Oil and Gas Inc. Doss, Dan Cypress Texas


Company Registrant City State Country (if not U.S.)Beachcomber Oil and Gas Inc. Resig, Julie Cypress TexasBean Resources, Inc Giosa, Thomas A. Lafayette LouisianaBean Resources, Inc Hovis, Tommy Lafayette LouisianaBean Resources, Inc. Galjour, Kim J. Lafayette LouisianaBean Resources, Inc. Ortlieb, Adrian Lafayette LouisianaBearkat Energy, LLC Ballis, Reed Spring TexasBearkat Energy, LLC Bramlett, Bill Spring TexasBearkat Energy, LLC Cruthis, Wayne Spring TexasBearkat Energy, LLC Fulk, Jeff Spring TexasBearkat Energy, LLC Hightower, Bill Spring TexasBearkat Energy, LLC Hightower, Ryan Spring TexasBearkat Energy, LLC Tullos, Stan Spring TexasBearkat Energy, LLC Ziegler, Dan Spring TexasBelgeo Ltd. Halley, Wendell R. Spring TexasBellinghausen Consulting LLC Bellinghausen, Lynn Houston TexasBelmont Resources, LLC Goodell, Terence Traverse City MichiganBelmont Resources, LLC Hundley, Bryce Traverse City MichiganBelmont Resources, LLC Walker, Edward Traverse City MichiganBenchmark Oil & Gas Company Golden, Bert Houston TexasBenchmark Oil & Gas Company Krider, Ed Houston TexasBenchmark Oil & Gas Company Moore, Craig Houston TexasBenchmark Oil & Gas Company Pledger, Dorothy Houston TexasBenchmark Oil & Gas Company Pledger, Robert Houston TexasBenchmark Oil & Gas Company Stone, Denise Houston TexasBenchmark Oil & Gas Company Thorp, Richard Houston TexasBeneco, Inc. Weichman, Bernard Magnolia TexasBengalia Land & Cattle Company Crawford, C. Mark Tulsa OklahomaBengalia Land & Cattle Company Hullum, Calvin Tulsa OklahomaBengalia Land & Cattle Company Hullum, Emily Tulsa OklahomaBereskin & Associates, Inc. Bereskin, Robert Salt Lake City ArizonaBerger Geosciences, LLC Berger II, Bill Houston TexasBerger Geosciences, LLC Berger III, Bill Houston TexasBerger Geosciences, LLC Harper, Melissa Houston TexasBerger Geosciences, LLC Oyebode, Olaniyi Houston TexasBerger Geosciences, LLC Thompson, Juli Houston TexasBerger Geosciences, LLC Weller, Jennifer Houston TexasBeryl Oil & Gas LP Anders, Josh Houston TexasBeryl Oil & Gas LP Haines, Robert Houston TexasBeryl Oil & Gas LP McCue, Dan Houston TexasBeryl Oil and Gas LP DeAyala, Carlos Houston TexasBeryl Oil and Gas LP Isaac, Carl Houston TexasBeta Land Services Hanks, Bryan Lafayette LouisianaBig '6' Drilling Company Stone, Michael Houston TexasBig Covey Exploration Kins, Jack Houston TexasBig Run Production Co. Rebich, Eli Tyler TexasBig Sky Minerals LLC Jones, Suzanne Mendon VermontBig Sky Minerals LLC Oty, John Green Valey ArizonaBig Sky Minerals LLC Sellars, Jr., Robert Denver ColoradoBig Star Oil & Gas, LLC Cross, Bradley Midland TexasBig Star Oil & Gas, LLC Kirby, Brian Midland TexasBig Star Oil & Gas, LLC Nix, Frank Midland TexasBig Star Oil & Gas, LLC Powe, Hal Midland TexasBig Star Oil & Gas, LLC Swanson, Stella Midland TexasBig Wells Drilling, Inc. Seligmann, Scott Houston TexasBillman Geologic Consultants, Billman, Dan Mars Pennsylvania


Company Registrant City State Country (if not U.S.)Biloxi Marsh Land Corporation Haerer, Philip Kenner LouisianaBirdwell Oil Company Henderson, Mark Wichita Falls TexasBishop Mineral Holdings LLC Westberry, Bill Houston TexasBison Natural Gas Fogle, Doug Houston TexasBivins Energy Corporation Bivins, Craig Dallas TexasBJ Services LaFollette, Randy Houston TexasBJ Services Company Yost, Bill Houston TexasBlack Diamond Energy Kraus, Kurt Laredo TexasBlack Diamond Energy Maier, Stephen P. San Antonio TexasBlack Pool Energy Barrett, Elliot Houston TexasBlack Pool Energy Bell, Scott Houston TexasBlack Pool Energy Bobigian, Rick Houston TexasBlack Pool Energy Spencer, Jeff Houston TexasBlack River, LTD. Shetler, David San Antonio TexasBlack Sable Energy Watson, Robert San Antonio TexasBlack Stone Minerals Company Duffy, Charles Houston TexasBlack Stone Minerals Company, L.P. Black, Doug Houston TexasBlack Stone Minerals Company, L.P. Carroll, Marc Houston TexasBlack Stone Minerals Company, L.P. Dobbie, Llana Houston TexasBlack Stone Minerals Company, L.P. Ellis, Mike Houston TexasBlack Stone Minerals Company, L.P. Eubank, Marshall M Houston TexasBlack Stone Minerals Company, L.P. Gremillion, Garrett Houston TexasBlack Stone Minerals Company, L.P. Guidry, Stephen M Houston TexasBlack Stone Minerals Company, L.P. Hajdik, Tim Houston TexasBlack Stone Minerals Company, L.P. Harmon, Mark Houston TexasBlack Stone Minerals Company, L.P. Hayes, Lynn Houston TexasBlack Stone Minerals Company, L.P. Headley, Betty Houston TexasBlack Stone Minerals Company, L.P. McKay, Barry Houston TexasBlack Stone Minerals Company, L.P. Millican, Derryl Houston TexasBlack Stone Minerals Company, L.P. Pereski, Jane Houston TexasBlack Stone Minerals Company, L.P. Poole, Linda Houston TexasBlack Stone Minerals Company, L.P. Puff, William Houston TexasBlack Stone Minerals Company, L.P. Raymer, David Houston TexasBlack Stone Minerals Company, L.P. Robinson, Mark Houston TexasBlack Stone Minerals Company, L.P. Van Winkle, Ryan Houston TexasBlack Stone Minerals Company, L.P. Vanderhider, Hallie Houston TexasBlack Stone Minerals Company, L.P. Whitehead, James Houston TexasBlack Stone Minerals Company, L.P. Yates, Michael Houston TexasBlack Well Energy Group, LLC. Schrader, David Dallas TexasBLACKBRUSH Oil & Gas, L.P. Norville, Mark San Antonio TexasBlackstone Oil & Gas LLC Brooks, Todd Houston TexasBLS Blevins, Johnny George West TexasBlue Dolphin Energy Company Dale, William Houston TexasBlue Star Operating Williams, Lonnie Irving TexasBlue Streak Exploration Group Small, Kevin Houston TexasBlue Tip Energy Management, LLC Hudspeth, Richard Houston TexasBlue Tip Energy Managment, LLC Miller, Steven Houston TexasBlue Tip Energy Managment, LLC Taylor, Bruce Houston TexasBlueRock Energy Capital Abel, Scott Houston TexasBlueRock Energy Capital Shook, Allen Houston TexasBlueRock Energy Capital Sliva, Catherine Houston TexasBlueRock Energy Capital Stevens, David Houston TexasBluestone Natural Resources Gibson, Kenneth Tulsa OklahomaBlueStone Natural Resources McLaughlin, Bill Tulsa OklahomaBlueStreak Exploration O'Kelley, Jeff Houston Texas


Company Registrant City State Country (if not U.S.)BNK Petroleum (US) Inc. Hill, James Camarillo CaliforniaBoatright O&G Properties- Marrs McLean Minerals Boatright, Randy San Antonio TexasBOB PT BSP Pertamina Hulu Warsodimedjo, Sumarno Jakarta IndonesiaBodog Resources, LLC Gladney, Thomas Houston TexasBoh Cronin, Thomas New Orleans LouisianaBoilingstone McMahon, James San Antonio TexasBold Energy Cohorn, Patrick Midland TexasBolton Geophysical Bolton, James Ft. Worth TexasBolton Geophysical Company Bolton, Robert C. Lubbock TexasBolyard Land & Exploration, LLC Bolyard, Dudley Centennial ColoradoBolyard Land & Exploration, LLC Bolyard, Marion Centennial ColoradoBonanza Creek Energy Johns, Mike Bakersfield CaliforniaBonanza Creek Energy Resources, LLC Bonagurio, Gregg Houston TexasBonanza Creek Energy Resources, LLC Denson, Al Houston TexasBonanza Creek Energy Resources, LLC Williams, Burt Houston TexasBonanza Oil and Gas, Inc Wiseman, Bill Houston Texas

Boots & Coots International Well Control, Inc Burleson, Larry Houston Texas

Boots & Coots International Well Control, Inc Burris, Bo Houston Texas

Boots & Coots International Well Control, Inc Hendrix, Tom Houston Texas

Boots & Coots International Well Control, Inc Leal, Nick Houston Texas

Boots & Coots International Well Control, Inc Paul, Peanut Houston Texas

Boots & Coots International Well Control, Inc Powell, Mike Houston Texas

Boots & Coots International Well Control, Inc Roberts, Grace Houston Texas

Boots & Coots International Well Control, Inc Shoemaker, Jennifer Houston Texas

Boots & Coots International Well Control, Inc Tweeton, Jennifer Houston Texas

Boots & Coots International Well Control, Inc Voight, Robert Houston Texas

Boots & Coots International Well Control, Inc Williams, Buddy Houston Texas

Boots & Coots International Well Control, Inc Winchester, Jerry Houston TexasBorder To Border Exploration Allen, Sam Denver ColoradoBorder to Border Exploration Wheeler, Russell Austin TexasBosque Disposal Systems English, Jeff Glen Rose TexasBosque Disposal Systems, LLC LaCrosse, Clane Glen Rose TexasBottom Line Energy Corp. Brooks, William Houston TexasBottom Line Energy Corp. Cumming, John Houston TexasBottom Line Energy Corp. DeStefano, Edward Houston TexasBowdon Natural Resources L.L.C. Bowdon, William Bossier City LouisianaBowker Petroleum, LLC Bowker, Kent The Woodlands TexasBoyd & McWilliams Energy Group McCabe, Frank Midland TexasBoykin Photography Boykin, John Garland TexasBP McRae, Lee Houston TexasBP Spector, Brian Houston TexasBP America Johnson, Lee Houston TexasBP America Moon, Brad Houston TexasBP America Webb, James Houston TexasBP America Inc. Khatun, Salma Houston Texas


Company Registrant City State Country (if not U.S.)BP America Production Haller Piskurich, Jeanine Houston TexasBP America Production Company McDowell, Kenneth Houston TexasBP America Production Company Thompson, Donald Houston TexasBP Americas Cole, Michael Houston TexasBP Energy Dulak, David Houston TexasBP Energy Freund, Gordon Houston TexasBP Exploration Skillern, R. L. Anchorage AlaskaBPZ Energy, Inc. Vargas, Tomas Houston TexasBR Marketing LLC Burke, Bill Sugar Land TexasBR Marketing LLC Shea, Randi Sugar Land TexasBR549 Roland, Brent San Antonio TexasBracewell & Giuliani Wright, Philip Houston TexasBracewell & Giuliani LLP Owens, Brett Houston TexasBradley Energy Bradley, Ralph L. Scottsville VirginiaBranta LLC/Legends Hoye, Terrie The Woodlands TexasBranta, LLC Bates, Randy The Woodlands TexasBranta, LLC Tresca, Fred The Woodlands TexasBranta, LLC/Legends II Acree, Felix The Woodlands TexasBrayton Operating Corp. Barnard, Bob Corpus Christi TexasBrayton Operating Corp. Desenberg, David Corpus Christi TexasBrayton Operating Corp. Seibert, Johnny Corpus Christi TexasBrayton Operating Corp. White-Burford, Amy Corpus Christi TexasBrayton Operating Corp. Wiedmann, Sebastian Corpus Christi TexasBrazos Natural Resources Inc. Curry, Philip Waco TexasBRAZTEX ENERGY, LLC Kim, John Houston TexasBreck Operating Connally, John Breckenridge TexasBreck Operating Wilson, Danny Breckenridge TexasBreitBurn Energy Co. Pease, Mark Houston TexasBreitburn Energy Co. LP Andress, Thurmon Houston TexasBreitburn Energy Co. LP Baker, Dave Houston TexasBreitburn Energy Co. LP Breitenbach, Randall Los Angeles CaliforniaBreitburn Energy Co. LP Stewart, Dwayne Houston TexasBreton Sound Resources Coates, Jesse Baton Rouge LouisianaBrian Seamster, Inc Seamster, Brian New Orleans LouisianaBrigham Exploration Bosworth, Jeff Austin TexasBrigham Exploration Carter, Harold Austin TexasBrigham Exploration Das, Ranjit Austin TexasBrigham Exploration Flowers, Heath Austin TexasBrigham Exploration Johnson, Doug Austin TexasBrigham Exploration Medlock, Pat Austin TexasBrigham Exploration Sigsbey, Eric Austin TexasBrigham Exploration Terwilliger, John Austin TexasBrigham Exploration Vicars, Bob Austin TexasBrigham Exploration Company Bradberry, Ivy Austin TexasBrigham Exploration Company Brigham, Bud Austin TexasBrigham Exploration Company Brigham, David Austin TexasBrigham Exploration Company Hart, Rick Austin TexasBrigham Exploration Company Kalish, David Austin TexasBrigham Exploration Company Kalish, David Austin TexasBrigham Exploration Company Kirchhoff, David Austin TexasBrigham Exploration Company Langford, Lance Austin TexasBrigham Exploration Company Larson, Jeffrey Austin TexasBrigham Exploration Company Plappert, John Austin TexasBrigham Exploration Company Porter, Mark Austin TexasBrigham Exploration Company Powers, Bruce Austin Texas


Company Registrant City State Country (if not U.S.)Brigham Exploration Company Powers, Mark Austin TexasBrigham Exploration Company Roosa, Rob Austin TexasBrigham Exploration Company Shepherd, Eugene Austin TexasBrigham Exploration Company Treaccar, Ken Austin TexasBrigham Oil & Gas, L.P. Treaccar, Ken Austin TexasBright & Company Carlile, Jack Dallas TexasBrinx Resources Halterman, Leroy Albuquerque New MexicoBroad Oak Energy Sherrill, Jim Dallas TexasBroad Oak Energy, Inc. Braddock, David Dallas TexasBroad Oak Energy, Inc. Coss, John Dallas TexasBroadway Minerals Broadway, Ron Dallas TexasBroden Enterprises, Inc. Brock, Ron Houston TexasBromius Capital Gibbs, Ian SingaporeBromius Capital Reynolds, Duncan SingaporeBroun Energy, LLC Broun, III, Edwin Houston TexasBrown Brothers Harriman Chaparro, John New York New YorkBrown Brothers Harriman Oestreich, Jonathan New York New YorkBrowning Oil Company McWilliams, Daniel Dallas TexasBrowning Oil Company, Inc. Buron, Jim Dallas TexasBrowning Oil Company, Inc. Davis, Glenn Dallas TexasBrowning Oil Company, Inc. Howell, Tom Dallas TexasBrowning Oil Company, Inc. McWilliams, Mike Dallas TexasBrowning Oil Company, Inc. Patterson, Bill Dallas TexasBrowning Oil Company, Inc. Stewart, Ed Dallas TexasBrowning Oil Company, Inc. Stewart, Ian Dallas TexasBrowning Oil Company, Inc. Wood, Bob Dallas TexasBruxoil, Inc. Helfrich, Ray Jackson MississippiBSI Energy Partners Bentley, Theodore Ventura CaliforniaBSI Energy Partners Gaspari, Dustin Dallas TexasBSI Energy Partners McCormick, Heather Ventura CaliforniaBSI Energy Partners Mercer, Steve Ventura CaliforniaBTA Oil Producers, LLC Beets, Jerry Houston TexasBTA Oil Producers, LLC Childers, David Houston TexasBTA Oil Producers, LLC Davenport, Robert Midland TexasBTA Oil Producers, LLC McQuien, Britton Midland TexasBTA Oil Producers, LLC Price, Willis Midland TexasBTA Oil Producers, LLC Tracey, Thomas Denver ColoradoBTE Energy, LLC Edwards, Burke Austin TexasBuccaneer Resources Picard, Eddie Sugar Land TexasBuccaneer Resources, LLC Bailey, Jerry Houston TexasBuccaneer Resources, LLC Daniel, Scott Houston TexasBuccaneer Resources, LLC Hooper, Ken Houston TexasBuccaneer Resources, LLC Wainwright, Clint Houston TexasBuffalo Natural Gas, Ltd. Hoover, Clayton Austin TexasBuffalo Natural Gas, Ltd. Morrison, Jr., S.J. Austin TexasBulldog Exploration Williams, Wilson Houston TexasBurgin, Jim & Assoc., Inc. Burgin, James Fulshear TexasBurk Royalty Co. Ltd. Bridwell, Shirley Wichita Falls TexasBurk Royalty Co. Ltd. Elyea, Mike Wichita Falls TexasBurk Royalty Co. Ltd. Kelley, Mark Wichita Falls TexasBurk Royalty Co. Ltd. Kimbell II, G. T. Wichita Falls TexasBurk Royalty Co. Ltd. Kimbell, Jr., David Wichita Falls TexasBurk Royalty Co. Ltd. Morian, Rick Wichita Falls TexasBurk Royalty Co. Ltd. Stults, Steve Wichita Falls TexasBurleson Cooke L.L.P. Burleson, Richard Houston Texas


Company Registrant City State Country (if not U.S.)Buse Oil & Gas, Inc. Buse, Lee Wimberley TexasBusiness Fundamentals Group Hite, Roger Houston TexasBWB Operating, Inc. Blake, Bruce Liberty TexasC P Marketing Gehrig, Frantz Los Angeles CaliforniaC. E. Harmon Oil, Inc. Adkins, Gregg Friendswood TexasC.H. Fenstermaker & Associates Fenstermaker, Charles Houston TexasC.H. Fenstermaker & Associates Fenstermaker, John Lafayette LouisianaC.H. Fenstermaker & Associates Hamilton, Gregg Lafayette LouisianaC.H. Fenstermaker & Associates Walters, Bo Houston TexasCabot Oil & Gas Corp. Baggett, Fred Houston TexasCabot Oil & Gas Corp. Cooper, Ruth Houston TexasCabot Oil & Gas Corp. Heron, Steve Houston TexasCabot Oil & Gas Corp. Muire, John Denver ColoradoCabot Oil & Gas Corp. Parr, James Houston TexasCabot Oil & Gas Corp. Reid, Matt Houston TexasCabot Oil & Gas Corp. Taylor, Tom Denver ColoradoCabot Oil & Gas Corp. Woodruff, Tyler Houston TexasCabot Oil & Gas Corporation Erickson, Aaron Houston TexasCabot Oil & Gas Corporation Rowe, Daniel Denver ColoradoCabot Oil & Gas Corporation Stubbs, John Houston TexasCabot Oil & Gas Corporation Taylor, Thomas Denver ColoradoCabot Oil and Gas Smith, Sarah Houston TexasCAFITA Jenkins, Steve Houston TexasCale Properties Allen, Doug Fayetteville ArkansasCaliente Energy, LP Eads, Galen Houston TexasCaliente Energy, LP Eads, William Houston TexasCaliente Energy, LP Lance, Amy Katy TexasCaliente Energy, LP Lance, Jim Katy TexasCallaway Energy Callaway, Robert Dallas TexasCallaway Energy Drake, John Dallas TexasCallaway Energy LLC Callaway, Jim Dallas TexasCallon Petroleum Bradford, Robert Houston TexasCallon Petroleum Maples, Ken Houston TexasCallon Petroleum Newman, Dee Houston TexasCallon Petroleum Weihe, John Houston TexasCallon Petroleum Woodcock, Steve Houston TexasCalloway Engineering LLC Calloway, Richard La Grange TexasCalloway Engineering LLC Hartzell, Steve La Grange TexasCalloway Engineering LLC Snider, Randy La Grange TexasCalloway Engineering,LLC Mode, Marshall La Grange TexasCalTex Gas Exploration, LLC Lober, Mark Houston TexasCalvin Resources, Inc. Griffiths, John Spicewood TexasCalyx Energy, LLC Cahill, Cal Tulsa OklahomaCalyx Energy, LLC Podowski, John Tulsa OklahomaCalyx Energy, LLC Schmidt, Loren Tulsa OklahomaCalyx Energy, LLC Stephenson, Jim Tulsa OklahomaCamden Advisors, LLC Rhoades, Marc Dallas TexasCamden Advisors, LLC Richardson, Ty Dallas TexasCameron Mineral Trusts Perry, Dan San Antonio TexasCampanero Energy Holdings, LLC Drescher, Tommy Dallas TexasCampanero Energy Holdings, LLC McNamee, Scott Houston TexasCampanero Energy Holdings, LLC Stang, Carl Dallas TexasCamterra Resources Wanger, Johnnie Marshall TexasCamterra Resources, Inc. Carlile, Zach Tyler TexasCamterra Resources, Inc. Copeland, Steve Marshall Texas


Company Registrant City State Country (if not U.S.)Camterra Resources, Inc. Derebery, Jason Marshall TexasCamterra Resources, Inc. Marchand, Paul Marshall TexasCanaan Resources Sergent, Dean Oklahoma City OklahomaCanaan Resources, LLC Beebe, Brent Oklahoma City OklahomaCanadian Superior Energy Inc. Watkins, Richard Houston TexasCane River Resources, Inc. Braden, Milton Conroe TexasCane River Resources, Inc. Haston, Fred Conroe TexasCane River Resources, Inc. Haston, Richard Conroe TexasCane River Resources, Inc. Woods, Dennis Conroe TexasCano Petroleum, Inc. Daitch, Ben Fort Worth TexasCano Petroleum, Inc. Johnson, Jeff Fort Worth TexasCano Petroleum, Inc. McKinney, Pat Fort Worth TexasCano Petroleum, Inc. Morgan, Jon Fort Worth TexasCano Petroleum, Inc. Smith, Sam Fort Worth TexasCano Petroleum, Inc. Traghella, Renee Fort Worth TexasCapital Energy Williams, Larry Austin TexasCapital Energy Advisors Gonzalez, Joe Austin TexasCapital Energy Advisors, Inc. Bleckley, JB Austin TexasCapital Energy Advisors, Inc. Hight, Trace Austin TexasCapital Geosource,LLC Newberry, John Austin TexasCapital One NA Molero, Matt Houston TexasCapital One, N.A. Attaway, Ashley New Orleans LouisianaCapital One, N.A. Broussard, Eric Houston TexasCapital One, N.A. Denbina, David Houston TexasCapital One, N.A. Fontana, Wesley Houston TexasCapital One, N.A. Hein, Paul Houston TexasCapital One, N.A. Herrington, Bill Houston TexasCapital One, N.A. Higgins, James Michael Houston TexasCapital One, N.A. Joyce, Scott Houston TexasCapital One, N.A. Key, Brandon Houston TexasCapital One, N.A. Mak, Nancy Houston TexasCapital One, N.A. McBride, James Houston TexasCapital One, N.A. Mooney, Patrick Houston TexasCapital One, N.A. Moragas, Nancy New Orleans LouisianaCapital One, N.A. Reid, David Houston TexasCapital One, N.A. Shen, Peter Houston TexasCapital One, N.A. Smiley, Ken Houston TexasCapital One, N.A. Wibel, Shane Houston TexasCapital Star Oil & Gas Connolly, Sherry Houston TexasCapital Star Oil & Gas Kingman, William Houston TexasCapital Star Oil & Gas West, Jim Houston TexasCapital Star Oil & Gas Wygant, Tom Houston TexasCapitol D Exploration, LLC Dye, Charles Tulsa OklahomaCARE: Citizens Alliance for Responsible Energy Morgan, Tom Albuquerque New MexicoCARE: Citizens Alliance for Responsible Energy Noon, Marita Albuquerque New MexicoCarl E. Gungoll Exploration Dille, Brice Houston TexasCarl E. Gungoll Exploration, LLC Drake, Ramsey Oklahoma City OklahomaCarl E. Gungoll Exploration, LLC Woolington, Corry Oklahoma City OklahomaCarlisle USA Energy Carlisle, Paul Frisco TexasCarlisle USA Energy Davis, Ryan Frisco TexasCarlson Consulting, LLC Carlson, Tonja Dallas TexasCarnes Natural Gas, Ltd Fritts, David The Woodlands TexasCarr Business and Medical Services Weidig, Carol Alvin Texas


Company Registrant City State Country (if not U.S.)Carr Resources, Inc. Adams, Rich Tyler TexasCarr Resources, Inc. Carr, John Tyler TexasCarr Resources, Inc. Rainwater, John Tyler TexasCarr Resources, Inc. Willams, Barney Tyler TexasCarrera Geophysics L.L.C. Duggan, Philip Houston TexasCarrizo O & G Landau, David Houston TexasCarrizo Oil & Gas Knotts, Cristina Houston TexasCarrizo Oil & Gas, Inc. Brethauer, Mark Houston TexasCarrizo Oil & Gas, Inc. Cozzens, Jim Houston TexasCarrizo Oil & Gas, Inc. Earle, Steve Houston TexasCarrizo Oil & Gas, Inc. Evans, Gregg Houston TexasCarrizo Oil & Gas, Inc. Fisher, Brad Houston TexasCarrizo Oil & Gas, Inc. Flores, Joe Houston TexasCarrizo Oil & Gas, Inc. Friedman, David Houston TexasCarrizo Oil & Gas, Inc. Johnson, IV, S P Houston TexasCarrizo Oil & Gas, Inc. Joshi, Meena Houston TexasCarrizo Oil & Gas, Inc. Kostad, Bruce Houston TexasCarrizo Oil & Gas, Inc. Reid, Doug Houston TexasCarrizo Oil & Gas, Inc. Ruddock, Sarah Houston TexasCarrizo Oil & Gas, Inc. Thompson, Jennifer Houston TexasCarrizo Oil & Gas, Inc. Trainor, William Houston TexasCarrizo Oil & Gas, Inc. Wilson, Butch Houston TexasCascade Minerals. LLC. Weisenburger, Ken The Woodlands TexasCastex Turner, Nat S. Houston TexasCastex Energy, Inc. Carrington, Jr., James W. Houston Texas

Catamount Exploration, LLC Thorson, Jim Greenwood Village ColoradoCatheart Energy, Inc. Merrill, Robert Sugar Land TexasCaza Petroleum Markgraf, Jim Midland TexasCaza Petroleum, Inc. Albro, Rich Spring TexasCaza Petroleum, Inc. Ford, Mike Spring TexasCaza Petroleum, Inc. Holmes, Jamie Spring TexasCaza Petroleum, Inc. McGoldrick, John Spring TexasCaza Petroleum, Inc. Sam, Tony Spring TexasCaza Petroleum, Inc. Sanchez, Henry Spring TexasCaza Petroleum, Inc. Sloane, Jerry Spring TexasCaza Petroleum, Inc. Snow, Don Spring TexasCaza Petroleum, Inc. Wadham, Pam Spring TexasCB Energy, LLC Campbell, William Houston TexasCB Energy, LLC Neavel, Ken Houston TexasCBO Energy Booths, Patrick Southlake TexasCBO Energy Summers, Steven Dallas TexasCBO Energy Wilbourn, Chad Dallas TexasCDX Gas Wood, Kyle Dallas TexasCDX Gas, LLC Howard, Lynne Houston TexasCDX Gas, LLC Johnson, Rick Houston TexasCDX Gas, LLC McGlade, Ron Houston TexasCDX Gas, LLC Thompson, John Dallas TexasCedar Ridge, LLC Titus, Luke Durango ColoradoCedarhill Operating Co. Land, Robert Tuscaloosa AlabamaCEJA Corporation Carter, Richard Tulsa OklahomaCEJA Corporation Cooper, Nevin Tulsa OklahomaCEJA Corporation Jacobs, Dan Tulsa OklahomaCeja Corporation Oliphant, Gregory Tulsa OklahomaCEJA Corporation Snyder, Ron Tulsa Oklahoma


Company Registrant City State Country (if not U.S.)Centergy Advisors LLC Base, Tom Dallas TexasCentergy Advisors LLC Dormer, Jonathan Dallas TexasCentral Michigan University Steinbis, Martin Mount Pleasant MichiganCenturion Exploration Company Barousse, Howard Houston TexasCenturion Exploration Company Herrman, Tim Houston TexasCenturion Exploration Company Robbins, Kevin Houston TexasCenturion Exploration Company Williford, Colby Houston TexasCentury Exploration Company Gambill, Andy The Woodlands TexasCentury Exploration Company Lipari, Chris The Woodlands TexasCentury Exploration Houston, Adams, Wayne The Woodlands TexasCentury Exploration N.O. Inc. Kelly, Harry Metairie LouisianaCentury Exploration New Orleans Wojna, Mark Metairie LouisianaCentury Exploration New Orleans, Inc. Anderson, Roy Houston TexasCentury Exploration New Orleans, Inc. Bergeon, Tom Metairie LouisianaCentury Exploration New Orleans, Inc. Norvell, Rod Metairie LouisianaCentury Exploration New Orleans, Inc. Richards, Jon Metairie LouisianaCentury Exploration New Orleans, Inc. Rooney, Robert Metairie LouisianaCentury Exploration New Orleans, Inc. Sabrier, Steve Metairie LouisianaCentury Exploration New Orleans, Inc. Seay, Dave Metairie LouisianaCentury Exploration New Orleans, Inc. Warwick, Richard Metairie LouisianaCentury Exploration New Orleans, Inc. Willis, Michael Metairie LouisianaCentury Houston Dunkelberg, Jim Spring TexasCGG Veritas McCutcheon, Barry Houston TexasCGGVeritas Allison, Loretta Calgary Alberta CanadaCGGVeritas Andrade, Jorge Houston TexasCGGVeritas Aranador, Rey Calgary Alberta CanadaCGGVeritas Asher, Lynne Houston TexasCGGVeritas Bastnagel, John Houston TexasCGGVeritas Bertness, Mike Houston TexasCGGVeritas Bognar, Matthew Houston TexasCGGVeritas Cordell, Valerie Houston TexasCGGVeritas Engleson, Lorna Calgary Alberta CanadaCGGVeritas Ferran, Jean-Charles Houston TexasCGGVeritas Fleck, Mike Houston TexasCGGVeritas Fossier, Richard Houston TexasCGGVeritas Gieber, Mike Houston TexasCGGVeritas Hood, Danielle Houston TexasCGGVeritas Hood, John Houston TexasCGGVeritas Howell, Gil Houston TexasCGGVeritas Langlois, Dennis Houston TexasCGGVeritas Mayer, Rob Houston TexasCGGVeritas Mays, Ray Houston TexasCGGVeritas Miller, Richie Houston TexasCGGVeritas Oxsheer, Cheryl Houston TexasCGGVeritas Patel, Arvind Houston TexasCGGVeritas Phipps, Andy Houston TexasCGGVeritas Robertson, April Houston TexasCGGVeritas Savajol, Vianney Houston TexasCGGVeritas Schlumberger, Luc Houston TexasCGGVeritas Tinley, Scott Houston TexasCGGVeritas Trevino, Rick Houston TexasCGGVeritas Turner, David Oklahoma City OklahomaCGGVeritas Warren, Ricky Houston TexasCGGVeritas Company Gauer, Bob Houston TexasChalfant Properties, Inc. Chalfant, Katherine Midland Texas


Company Registrant City State Country (if not U.S.)Chalker Energy Partners Dukes, Bill Houston TexasChalker Energy Partners II Krenek, Doug Houston TexasChallenger Minerals Inc. Hauf, Chuck Houston TexasChallenger Minerals Inc. (CMI) Baum, Ken Houston TexasChallenger Minerals Inc. (CMI) Bibby, James Houston TexasChallenger Minerals Inc. (CMI) Cazenave, Randy Houston TexasChallenger Minerals Inc. (CMI) Dobbs, Aimee Houston TexasChallenger Minerals Inc. (CMI) Downing, Jack Houston TexasChallenger Minerals Inc. (CMI) Gabbard, Philip Houston TexasChallenger Minerals Inc. (CMI) Gilbert, Steve Houston TexasChallenger Minerals Inc. (CMI) Goodale, Jon Houston TexasChallenger Minerals Inc. (CMI) Hamilton, John Houston TexasChallenger Minerals Inc. (CMI) Joern, Karl Houston TexasChallenger Minerals Inc. (CMI) Jones, Martin Houston TexasChallenger Minerals Inc. (CMI) Killinger, Curt Houston TexasChallenger Minerals Inc. (CMI) Leary, Tom Houston TexasChallenger Minerals Inc. (CMI) Lisseter, Ian Houston TexasChallenger Minerals Inc. (CMI) Nielsen, Paul Houston TexasChallenger Minerals Inc. (CMI) Pennebaker, Strode Houston TexasChallenger Minerals Inc. (CMI) Ramsey, Ron Houston TexasChallenger Minerals Inc. (CMI) Ritchie, Eric Houston TexasChallenger Minerals Inc. (CMI) Sampson, Greg Houston TexasChallenger Minerals Inc. (CMI) Smith, Graham Houston TexasChallenger Minerals Inc. (CMI) Smith, Ron Houston TexasChallenger Minerals Inc. (CMI) Speegle, Steve Houston TexasChallenger Minerals Inc. (CMI) Symecko, Ron Houston TexasChallenger Minerals Inc. (CMI) Wallace, Kevin Houston TexasChallenger Minerals Inc. (CMI) Wilson, David Houston TexasChaller Energy Partners III Hall, Gary Houston TexasChaparral Land Services Smith, Gary Sugar Land TexasChaparral Natural Resources Campbell, Ben Creedmoor TexasCharis Energy, Inc. Edens, Robert Kerrville TexasCharis Energy, Inc. Seibert, Frank Kerrville TexasCharter Oak Production Harcourt, Marcia Oklahoma City OklahomaCharter Oak Production Co., LLC Brevetti, Joseph Oklahoma City OklahomaChase Energy Nowak, Ronald Houston TexasCHC Energy Foss, Deane Houston TexasChesapeake Energy Hoatson, Robert Oklahoma City OklahomaChesapeake Energy Morrison, Nathan R. Oklahoma City OklahomaChesapeake Energy Stacy, Blake Oklahoma City OklahomaChesapeake Energy Corp. Dunlap, Gary Oklahoma City OklahomaChesapeake Energy Corporation Adams, Stephen Oklahoma City OklahomaChesapeake Energy Corporation Beavers, James Oklahoma City OklahomaChesapeake Energy Corporation Branch, Serena Oklahoma City OklahomaChesapeake Energy Corporation Branson, Mark Oklahoma City OklahomaChesapeake Energy Corporation Brawley, Wade Oklahoma City OklahomaChesapeake Energy Corporation Callantine, Skye Oklahoma City OklahomaChesapeake Energy Corporation Condray, Greg Oklahoma City OklahomaChesapeake Energy Corporation Cunningham, Kevin Oklahoma City OklahomaChesapeake Energy Corporation Denny, George Oklahoma City OklahomaChesapeake Energy Corporation Exline, Brian Oklahoma City OklahomaChesapeake Energy Corporation Formhals, Sherman Oklahoma City OklahomaChesapeake Energy Corporation Holman, Lanny Oklahoma City OklahomaChesapeake Energy Corporation Hood, Henry Oklahoma City OklahomaChesapeake Energy Corporation Jacobson, Doug Oklahoma City Oklahoma


Company Registrant City State Country (if not U.S.)Chesapeake Energy Corporation Kapchinske, John Oklahoma City OklahomaChesapeake Energy Corporation Kemp, Brad Oklahoma City OklahomaChesapeake Energy Corporation Kirby, Chad Oklahoma City OklahomaChesapeake Energy Corporation May, David Oklahoma City OklahomaChesapeake Energy Corporation Merritt, Cliff Oklahoma City OklahomaChesapeake Energy Corporation Miller, Jeff Oklahoma City OklahomaChesapeake Energy Corporation Mobley, David Oklahoma City OklahomaChesapeake Energy Corporation Portman, Bob Oklahoma City OklahomaChesapeake Energy Corporation Quimby, Shelly Oklahoma City OklahomaChesapeake Energy Corporation Ramsey, Greg Oklahoma City OklahomaChesapeake Energy Corporation Sawatzky, Mike Oklahoma City OklahomaChesapeake Energy Corporation Sharp, John Oklahoma City OklahomaChesapeake Energy Corporation Singleton, Mark Oklahoma City OklahomaChesapeake Energy Corporation Smith, Allan Oklahoma City OklahomaChesapeake Energy Corporation Voyles, Curis Oklahoma City OklahomaChesapeake Energy Corporation Ward, Ronnie Oklahoma City OklahomaChesapeake Energy Corporation Wilson, Julie Oklahoma City OklahomaChesapeake Energy Corporation Woodside, Bob Oklahoma City OklahomaChestnut Petroleum, Inc. Plummer, Mark Richardson TexasChevron Knobles, Mark Houston TexasChevron Lange, Keith Lafayette LouisianaCheyenne Energy Services LLC Ferguson, Wade Oklahoma City OklahomaCheyenne Minerals DuBose, Kenny Houston TexasCheyenne Petroleum Company Dixon, Richard Oklahoma City OklahomaCheyenne Petroleum Company Ives, Steve Oklahoma City OklahomaCheyenne Petroleum Company Kumbalek, Steve Houston TexasCheyenne Petroleum Company Loeber, Ken Oklahoma City OklahomaCheyenne Petroleum Company Pedersen, Einar Dallas TexasCheyenne Petroleum Company Roach, Dorsey Oklahoma City OklahomaCheyenne Petroleum Company Stone, Barbara Oklahoma City OklahomaChief Gathering LLC Scott, Jim Dallas TexasChief Oil & Gas Becker, Louisa Dallas TexasChief Oil & Gas Carvalho, Tony Dallas TexasChief Oil & Gas Pinnell, Michael L. Dallas TexasChief Oil & Gas Taylor, John Dallas TexasChief Oil & Gas Tort, Kristina Dallas TexasChief Oil & Gas LLC Collins, Steve Dallas TexasChoice Exploration, Inc. Brooks, David Arlington TexasChoice Exploration, Inc. Griffin, Jon Arlington TexasChoice Exploration, Inc. Hardberger, Drew Arlington TexasChoice Exploration, Inc. Kimble, Travis Arlington TexasChoice Exploration, Inc. Martin, David Arlington TexasChoice Exploration, Inc. Martin, Jon Arlington TexasChoice Exploration, Inc. Meaux, Duane Arlington TexasCholla Petroleum Powell, Abigail Dallas TexasCholla Petroleum, Inc. Powell, Jr., Loyd Dallas TexasChristeve Oil Co., Inc. Blair, John Houston TexasChristeve Oil Co., Inc. Cullins, Chris Houston TexasChristeve Oil Co., Inc. Fiongos, Gus Houston TexasChroma Oil & Gas, L.P. Christensen, Robert J Houston TexasChroma Oil & Gas, L.P. Christie, Ron Houston TexasChroma Oil & Gas, L.P. Waddell, Paul Houston TexasChroma Oil & Gas, L.P. Watts, Rick Houston TexasCICO Oil & Gas Company Cheesman, III, Dale Houston TexasCICO Oil & Gas Company Cheesman, Lolly Houston Texas


Company Registrant City State Country (if not U.S.)CICO Oil & Gas Company Sacrey, Deborah Houston TexasCIMA Energy Courtney, Mark D. Houston TexasCIMA Energy, Ltd. Edwards, Thomas Houston TexasCimarex Gourgues, Keith New Orleans LouisianaCimarex Martin, Bill Tulsa OklahomaCimarex Vieau, Michael Denver ColoradoCimarex Witter, Dave Denver ColoradoCimarex Energy Co Foster, Kenneth Tulsa OklahomaCimarex Energy Co Hofstrom, Mike Tulsa OklahomaCimarex Energy Co. Ashland, Anita Denver ColoradoCimarex Energy Co. Croft, Cindy Tulsa OklahomaCimarex Energy Co. Hansen, James Houston TexasCimarex Energy Co. Johnson, Chris Tulsa OklahomaCimarex Energy Co. Lambuth, John Denver ColoradoCimarex Energy Co. McColl, Jim Tulsa OklahomaCimarex Energy Co. Raley, William New Orleans LouisianaCimarex Energy Co. Stone, Mike Tulsa OklahomaCimarex Energy Co. Williams II, Stanley Tulsa OklahomaCimarex Energy Company Robinson, Adam Tulsa OklahomaCIMARRON Meyer, Mark Spring TexasCinco Energy Land Services Nichols, Randy Houston TexasCinco Mapping Solutions Acree, Cheyenne Houston TexasCinco Mapping Solutions Cooper, Cameron Houston TexasCiris Energy Downey, Robert Centennial ColoradoCirque Resources LP Bottjer, Rich Denver ColoradoCirque Resources LP Boyce, Brad Denver ColoradoCirque Resources LP Nicas, William Denver ColoradoCirque Resources LP Sterling, Rob Denver ColoradoCIT Capital Markets Carleton, Drew New York New YorkCIT Energy Bornstein, David Houston TexasCIT Energy Buckens, Leigh Houston TexasCIT Energy Crawford, Justin Houston TexasCIT Energy Derrett, Larry Houston TexasCIT Energy Gaw, Peter Houston TexasCIT Energy Jeram, Gerald Houston TexasCIT Energy Kerrigan, Brian Houston TexasCIT Energy McKean, George Houston TexasCitation Oil & Gas Corp. Kennedy, Robert Houston TexasCitationShares Gentry, Steve Grapevine TexasCitationShares Jones, Bob Grapevine TexasCitationShares Lorenz, Josh Grapevine TexasCiti Yang, Gil New York New YorkCiti Smith Barney Green, Wayne Houston TexasCitibank Benavides, Tom Houston TexasCitibank Chandy, Anil Houston TexasCITIGROUP / SMITH BARNEY Walmsley, Kevin Mobile AlabamaCitizens Bank Littlefield, Wayne Kilgore TexasCitizens Bank Logston, Margaret Kilgore TexasCitizens Bank Spradlin, Charles Kilgore TexasCitizens Bank Whitaker, Mary Beth Kilgore TexasCitizens Bank, Kilgore Long, Larry Kilgore TexasCJ Wofford Wofford, C.J El Campo TexasClaymore Oil & Gas McMichael, Kevin Houston TexasClayton Williams Energy Tisdale, Mark Midland TexasClayton Williams Energy Inc Uzzell, Edward Midland Texas


Company Registrant City State Country (if not U.S.)Clayton Williams Energy, Inc. Beckham, Kelly Kingwood TexasClayton Williams Energy, Inc. Elder, Stephen Kingwood TexasClayton Williams Energy, Inc. Gasser, Ron Midland TexasClayton Williams Energy, Inc. Giamalva, Ben Kingwood TexasClayton Williams Energy, Inc. Heinen, Mark Midland TexasClayton Williams Energy, Inc. Jones, Jimmy Kingwood TexasClayton Williams Energy, Inc. Lipstreuer, Ken Kingwood TexasClayton Williams Energy, Inc. Lyssy, Sam Midland TexasClayton Williams Energy, Inc. Mussman, Bill Kingwood TexasClayton Williams Energy, Inc. Pullin, Cash Midland TexasClayton Williams Energy, Inc. Reesby, Pat Kingwood TexasClayton Williams Energy, Inc. Riggs, Mel Midland TexasClayton Williams Energy, Inc. Strickland, Cheryl Kingwood TexasClayton Williams Energy, Inc. Ward, Larry Midland TexasClayton Williams Energy, Inc. Welborn, Greg Midland TexasClayton Williams Energy, Inc. Williams, Charles Parker TexasClayton Williams Energy, Inc. Williams, Jr., Clayton Midland TexasClick Energy Click, Jonathan T. Houston TexasClipper Energy, LLC Cox, Rodney Dallas TexasClipper Energy, LLC Logan, Doug Dallas TexasClipper Energy, LLC Montgomery, Carter Dallas TexasClipper Energy, LLC Robinson, Bill Dallas TexasClipper Energy, LLC Webb, Chris Dallas TexasClovis Capital Management Russman, Matthew New York New YorkCM Production, LLC Sauvageau, Rick Denver ColoradoCNAR Garcia, Armando Albuquerque New MexicoCNX Gas Corp Belesky, Robert Pittsburgh PennsylvaniaCNX Gas Corp Powell, Chris Pittsburgh PennsylvaniaCoastal Plains Exploration Foester, John Port Lavaca TexasCoastal Plains Exploration Gilstrap, Jim Port Lavaca TexasCoastal Plains Exploration Piercy, Brenda Port Lavaca TexasCoastal Plains Exploration Tomlinson, King Port Lavaca TexasCoastal Securities, Inc. Pettinati, Jr., Bill Houston TexasCoastline Energy Hancock, James Stafford TexasCoastline Energy Shafer, Mike Houston TexasCoates Energy Green, Sherrie San Antonio TexasCoates Energy Van Horn, Colette San Antonio TexasCobia Oil & Gas, L.L.C. Hatridge, David Beaumont TexasCobia Oil & Gas, L.L.C. Nelson, John Beaumont TexasCobia Oil & Gas, L.L.C. Randall, Renae Beaumont TexasCobia Oil & Gas, L.L.C. Selman, Breck Beaumont TexasCobia Oil & Gas, L.L.C. Smith, Mark Beaumont TexasCobia Oil & Gas, L.L.C. Van Ingen, Lawrence Beaumont TexasCobia Oil & Gas, L.L.C. Wilson, Bruce Beaumont TexasCobia Oil & Gas, L.L.C. Wilson, Steve Beaumont TexasCobra Pipeline Company, LTD Mohundro, Jessica Willoughby OhioCobstellation Enegy Group Dunn, Bob Houston TexasCohort Energy Company Jenner, Gordon Addison TexasCohort Energy Company Shaw, Nolan Addison TexasCoker & Palmer Bodino, Michael Metairie LouisianaCoker & Palmer Corales, Brian Metairie LouisianaColitas Exploration Dement, Bill Northport AlabamaCollarini Associates Stagoski, Stephen Houston TexasCollarini Energy Staffing Collarini, Cheryl Houston TexasCollarini Energy Staffing Inc. Howard, Marisa Houston Texas


Company Registrant City State Country (if not U.S.)Collarini Energy Staffing Inc. Rathmann, Volker Houston TexasCollarini Energy Staffing Inc. Snodgrass, Carol Houston TexasColony Energy, Inc. Wright, Jimmy Houston TexasColorado School of Mines Curtis, John Golden ColoradoComet Energy Services, LLC McGuire, David Castle Rock ColoradoCommercial Law Group, P.C. Lees, Ray Oklahoma City OklahomaCommon Resources Davis, Keith Spring TexasCommon Resources Mims, Charles Spring TexasCommon Resources, L.L.C. Adams, Tom The Woodlands TexasCommon Resources, L.L.C. Barnes, Kelly The Woodlands TexasCommon Resources, L.L.C. Bunkers, Paul The Woodlands TexasCommon Resources, L.L.C. Cain, Bob The Woodlands TexasCommon Resources, L.L.C. Hammons, Lane The Woodlands TexasCommon Resources, L.L.C. Hewlett, Jim The Woodlands TexasCommon Resources, L.L.C. Jarvis, Roger The Woodlands TexasCommon Resources, L.L.C. Jensen, Kevin The Woodlands TexasCommon Resources, L.L.C. Jones, Tom The Woodlands TexasCommon Resources, L.L.C. Keim, Kami The Woodlands TexasCommon Resources, L.L.C. Miller, Greg The Woodlands TexasCommon Resources, L.L.C. Nevarez, Jose The Woodlands TexasCommon Resources, L.L.C. Novak, Dave The Woodlands TexasCommon Resources, L.L.C. Pew, Elliott The Woodlands TexasCommon Resources, L.L.C. Snell, Robert The Woodlands TexasCommon Resources, L.L.C. Stark, Carla The Woodlands TexasCommon Resources, L.L.C. Stephenson, Kevin The Woodlands TexasCommon Resources, L.L.C. Van Winkle, Ronnie The Woodlands TexasCommon Resources, L.L.C. Ward, Steve The Woodlands TexasCommon Resources, L.L.C. Woods, Hank The Woodlands TexasCommon Resources, L.L.C. Young, Jim The Woodlands TexasCommon Resources, LLC. Matsutsuyu, Bruce Woodlands TexasCompass Capital LLC Faller, Marcus Lake Mary FloridaCompass Capital LLC Hefron, Bill Valparaiso IndianaCompass Global Resources. Budden, Terry Carmel CaliforniaCompass Operating Granberry, Bill Midland TexasCompass Operating Liedtke, Cadell Midland TexasCompass Operating Musseiman, Henry G. Midland TexasCompass Operating Sealy, James Littleton ColoradoCompass Resources Corp Kendall, Jim Houston TexasCompass Resources Corporation Brooks, Douglas Houston TexasCompass Resources Corporation Henderson, Rex Houston TexasCompass Resources Corportaion Knaebel, Jay Houston TexasCompression Consulting, LLC McCormick, Dan Lewisville TexasComstock Resources Franklin, Adam Frisco TexasComstock Resources Stribling, Blaine Frisco TexasComstock Resources Waldrop, Gary Frisco TexasComstock Resources Inc Blackshear, Gerry Frisco TexasComstock Resources Inc Mcgee, Shane Frisco TexasConcho Resources Inc. Ready, Robert Midland TexasConerstone Clark, Ronald Dallas TexasConglomerate Gas Meeker, Alan Fort Worth TexasConoco Phillips Company Calvert, Jerry Houston TexasConocoPhillips Baez, Luis Houston TexasConocoPhillips Basinski, Paul Houston TexasConocoPhillips Burke, Steve Midland TexasConocoPhillips Collier, Thomas Midland Texas


Company Registrant City State Country (if not U.S.)ConocoPhillips Valleau, Douglas Houston TexasConocoPhillips Company Klingler, Cliff Midland TexasConocoPhillips Company Sledge, Dennis Midland TexasConocoPhillips Company Strople, David Houston TexasConquest Richardson, Derric Horseheads New York

Conquest Seismic Services Inc. Davis, Richard Greenwood Village ColoradoConsolidated Hydrocarbons Branton, Daniel Shongaloo LouisianaConstellation Energy Clancy, Christianne Houston TexasConstellation Energy Crisp, Candas Houston TexasConstellation Energy Ewalt, Sophia Houston TexasConstellation Energy Joyce, Joseph Houston TexasConstellation Energy Lawson, John Humble TexasConstellation Energy Moon, Jo Carol Houston TexasConstellation Energy Simpson, David Houston TexasConstellation Energy Willsher, Martyn Houston TexasConstellation Energy Partners LLC Lorenz, Janette Houston TexasConsul Properties LLC Hatcher, James Oklahoma City OklahomaConsultant Berman, Art Sugar Land TexasConsultant Dopslauf, Billie Bryan TexasConsultant Green, James Kingwood TexasConsultant Helms, Chris Houston TexasConsultant Hoover, Randolph Houston TexasConsultant Lindsey, Stanley Austin TexasConsultant Mayo, Curtis Fredericksburg TexasConsultant McCuen, Mark Houston TexasConsultant Ogden, J.C. Houston TexasConsultant Pace, Bob Houston TexasConsultant Przywara, Mark Houston TexasConsultant Sobol, Joe Charles Town West VirginiaConsultant Tobin, Don Houston Texasconsultant Worrall, John Roswell New MexicoConsulting Geologist Bell, Richard Houston Texasconsulting geophysicist Sherar, James missouri cith TexasConsulting Geophysicist Zoss, Richard Spring TexasContinental Laboratories Primoff, Steve Houston TexasContinental Land & Fur Co. Armstrong, William Houston TexasContinental Land & Fur Co. Weimer, Dale Houston TexasContinental Land & Fur Co., Dobbs, Gary Houston TexasContinental Land & Fur Co., Loveless, Paul Houston TexasContinental Land & Fur Co., Murrah, Robert Houston TexasContinental Land & Fur Co., Willis, Tammy Houston TexasContinental Land & Fur Co., Inc. Bolt, Buddy Houston TexasContinental Resources Pethoud, Doug Enid OklahomaContract Landman Procter, Thomas Tyler TexasCook Energy Cook, Mike Dallas TexasCooper Oil & Gas, Inc. Cooper, Glenn Olney TexasCoordinated Degital Mapping Becker, Craig Dallas TexasCoordinated Digital Mapping Weiss, Todd Dallas TexasCopano Energy Aucoin, Darin Houston TexasCopano Energy Cook, Glenn Houston TexasCopano Energy Eckel, John Houston TexasCopano Energy Eckhart, Brian Houston TexasCopano Energy Gibson, Jim Houston TexasCopano Energy Moczygemba, Matt Houston Texas


Company Registrant City State Country (if not U.S.)Copano Energy Widacki, Bernard Houston TexasCoquest Structured Products, Ltd. Anderson, Joaquin Dallas TexasCoquest Structured Products, Ltd. Vassallo, John Dallas TexasCoquest Structured Products, Ltd. Young, Norman L Seabrook TexasCore Lab Wall, Elliot Houston TexasCore Laboratories Brugler, Mercer Houston TexasCore Laboratories Medvin, Evelyn Houston TexasCorelab Hudson, Keith Tulsa OklahomaCorkran Energy Corkran, Peggy Austin TexasCorkran Energy, LP Chandler, Kristy Midland TexasCorkran Energy, LP Click, Larry Midland TexasCorkran Energy, LP Corkran, Dennis Austin TexasCorkran Energy, LP Honeycutt, Mitch Austin TexasCorkran Energy, LP Marcell, Kari Austin TexasCorkran Energy, LP Stilp, Coby Austin TexasCornerstone Acquisition Geiger, Derren Rancho Santa Fe CaliforniaCornerstone Acquisition & Brensike, Karl Rancho Santa Fe CaliforniaCornerstone E&P Co. Perry, Aline Irving TexasCornerstone E&P Company Cassetta, Dominick Irving TexasCornerstone E&P Company Howard, Stephen Irving TexasCornerstone E&P Company Langler, Mike Irving TexasCornerstone E&P Company Sanchez, John Irving TexasCornerstone Energy Holt, Larry Houston TexasCornerstone Energy, Inc. Bajgier, Gary Houston TexasCornerstone Gas Corp Fayard, Trey New Orleans LouisianaCoronado Resources Coates, John-Mark Tulsa OklahomaCoronado Resources, LLC Wilson, Mark Tulsa OklahomaCorporate Montage Rodriguez, Jesse Houston TexasCorridor Resource Lund, Jeffrey Houston TexasCorridor Resources Crenshaw, Bill Houston TexasCosara Energy Company Anneler, Joy Bellaire TexasCosara Energy Company Blackhall, Ray Spring TexasCosara Energy Company Blackhall, Sally Spring TexasCosara Energy Company Johnson, Robert Bellaire TexasCotton Data Grimes, Allan Houston TexasCougar Land Services, LLC Fulker, Bruce Houston TexasCounty Scans Freeman, Brad Grand Prairie TexasCourthouseDirect.com CONES, PAUL Houston TexasCourthouseDirect.com Hollowell, Doug Houston TexasCourthouseDirect.com Jimenez, Monica Houston TexasCourthouseDirect.com Trettel, Brian Houston TexasCovenant Energy Walker, Chris Searcy ArkansasCovenant Energy LLC Drennan, Anita Searcy ArkansasCovenant Energy LLC Jackson, Mark Searcy ArkansasCovenant Energy LLC Overby, Martha Searcy ArkansasCovington Exploration Company Cristina, Doug Covington LouisianaCPR Husbands, John Fort Worth TexasCPR Operations, LP. Brossman, Pherl Houston TexasCraig S. Charbonnet, Inc. Charbonnet, Craig Spring TexasCraig S. Charbonnet, Inc. Charbonnet, Mike Spring TexasCrain Energy, Ltd. Crain, Walter Longview TexasCraton Energy Brewer, Lawrence Houston TexasCraton Energy Edrington, Jerry Houston TexasCraton Energy Marin, Bob Houston TexasCraton Energy McDuffie, David Houston Texas


Company Registrant City State Country (if not U.S.)Craton Energy Corporation Manders, Joe Houston TexasCredit Suisse Perry, Tim Houston TexasCreed Operating Co. Harrison, Ross Wichita Falls TexasCreed Operating Co. Muehlberger, Matt Wichita Falls TexasCreed Operating Co. Muehlberger, Mike Wichita Falls TexasCreed Operating Co. Muehlberger, Steve Wichita Falls TexasCreed Operating Co. Ross, Dwight Wichita Falls TexasCrescent Geo Zaman, Syed Houston TexasCrest Resources, Inc. Hall, Jimmy Tulsa OklahomaCrest Resources, Inc. Hudgens, Glenn Tulsa OklahomaCrest Resources, Inc. Quinn, Rock Tulsa OklahomaCrest Resources, Inc. Scott, Daniel Tulsa OklahomaCrew Land Research, Ltd. Moran, Thomas Houston TexasCrimson Energy Partners, L.P. Ensey, Kimberly Fort Worth TexasCrimson Energy Partners, L.P. Grogan, Mike Fort Worth TexasCrimson Energy Partners, L.P. Layne, Brittney Fort Worth TexasCrimson Energy Partners, L.P. Rivers, Tripp Fort Worth TexasCrimson Energy Partners, L.P. Starr, Frank Fort Worth TexasCrimson Energy Partners, L.P. Thesman, Aaron Fort Worth TexasCrimson Exploration Inc. Atkins, Tommy Houston TexasCrimson Exploration Inc. DeCamara, Rick Houston TexasCrimson Exploration Inc. Linger, Dan Houston TexasCrimson Exploration Inc. McAllister, Steven Houston TexasCross Creek Energy Trice, Jack Houston TexasCross QI Ross, Christopher Ingram TexasCrossland Oil & Gas Bradford, Barry Dallas TexasCrossover Resources, LLC Couch, Randall Houston TexasCrossover Resources, LLC. Whittington, William Houston TexasCrosstex Enegy Burdette, Mike Dallas TexasCrosstex Energy Arnold, Blake Dallas TexasCrosstex Energy Arnold, James Dallas TexasCrosstex Energy Austin, Mary Jo Dallas TexasCrosstex Energy Billings, Frank Dallas TexasCrosstex Energy Bredthauer, Drew Dallas TexasCrosstex Energy Brunner, Blake Dallas TexasCrosstex Energy Crouch, Charlie Dallas TexasCrosstex Energy Davis, Jacob Dallas TexasCrosstex Energy Fullem, Bob Dallas TexasCrosstex Energy Guttery, Hal Dallas TexasCrosstex Energy Iles, Brad Dallas TexasCrosstex Energy Johnson, Todd Dallas TexasCrosstex Energy Jordan, Mark Dallas TexasCrosstex Energy Kegin, Greg Dallas TexasCrosstex Energy Knight, John Dallas TexasCrosstex Energy Lothamer, Corey Dallas TexasCrosstex Energy Lyons, Aaron Dallas TexasCrosstex Energy McCorkle, Stewart Dallas TexasCrosstex Energy McNair, Stephen Dallas TexasCrosstex Energy Minshew, Chuck Dallas TexasCrosstex Energy Pack, Tony Dallas TexasCrosstex Energy Pellegrin, John Dallas TexasCrosstex Energy Smith, JJ Dallas TexasCrosstex Energy Snook, Dustin Dallas TexasCrosstex Energy Spivey, Lee Dallas TexasCrosstex Energy Stall, Rhett Dallas Texas


Company Registrant City State Country (if not U.S.)Crosstex Energy Strickland, Evan Dallas TexasCrosstex Energy Wick, Kelly Dallas TexasCrosstex Energy Wortham, James Dallas TexasCrosstex Energy Services Bates, Kathleen Houston TexasCrosstex Energy Services Boyd, Suzie Houston TexasCrosstex Energy Services Latchem, Mike Dallas TexasCrosstex Energy Services Lightfoot, Royston Houston TexasCrosstex Energy Services McDonald, John Dallas TexasCrosstex Energy Services, L.P. Davis, Barry Dallas TexasCrosstex Energy Services, L.P. Huff, Mark Dallas TexasCrosstex Energy Services, L.P. Lafield, Jack Dallas TexasCrosstex Energy Services, L.P. Luskey, Stephen Dallas TexasCrosstex Energy Services, L.P. Maselunas, Bill Dallas TexasCrosstex Energy Services, L.P. Papetti, Ryan Dallas TexasCrosstex Energy Services, L.P. Purgason, Bob Dallas TexasCrosstex Energy Services, L.P. Reilly, Stephen Dallas TexasCrosstex Energy Services, L.P. Reynolds, Jim Dallas TexasCrosstex Energy Services, L.P. Stokes, Bill Dallas TexasCrow Creek Energy II, L.L.C. Storm, Maurice Tulsa OklahomaCrow Partners, Ltd. Davis, Joel Houston TexasCrown Drilling, Inc. Cross, Don Lafayette LouisianaCrown Energy Lee, Jerry Oklahoma City OklahomaCrown Energy Company Walls, David Oklahoma City OklahomaCrown Energy Partners, LLC Ary, Brian Englewood ColoradoCrown Energy Partners, LLC Voigt, Brian Englewood ColoradoCrown Exploration Wilson, Olen Amarillo TexasCrown Opportunity Partners Mikeska, Michael Carrollton TexasCrown Well Service Estes, Bill La Porte TexasCrownQuest Operating, LLC Clark, Craig Midland TexasCrownQuest Operating, LLC Dunn, Tim Midland TexasCrownQuest Operating, LLC Floyd, Bobby Midland TexasCrownQuest Operating, LLC Wacker, Herb Midland TexasCrusader Energy Group Le Norman, David Oklahoma City OklahomaCrusader Energy Group McCormick, Chris Oklahoma City OklahomaCrusader Energy Group Paulson, Charlie Oklahoma City OklahomaCrystal Energy Group, LLC Herkert, Karl Houston TexasCSI Recruiting Bush, Jeffrey Denver ColoradoCSI Recruiting Winfrey, William Denver ColoradoCubic Energy, Inc. Luedtke, Donna Dallas TexasCubic Energy, Inc. Milavec, Gary Dallas TexasCubic Energy, Inc. Ross, Jon Dallas TexasCubic Energy, Inc. Sepulvado, Richard Dallas TexasCubic Energy, Inc. Wallen III, Calvin Dallas TexasCumberland & Western Resources Poling, John Bowling Green KentuckyCumberland and Western Resources Betterton, Greg Bowling Green KentuckyCumberland and Western Resources Kelley, Brad Bowling Green KentuckyCumberland and Western Resources Krawiec, Wlodek Bowling Green KentuckyCumberland and Western Resources Murphree, Bill Bowling Green KentuckyCummins & Walker Oil Co Calhoun, Brian Corpus Christi TexasCut Through Hydrocarbon Combs, Shawn Pikeville KentuckyCut Through Hydrocarbon Smith, Craig Phelps KentuckyCW Resources, Inc. Taliaferro, Hagen Longview TexasCypress E&P Corporation Beardsley, Robert Austin TexasCypress E&P Corporation Cochran, Matthew Austin TexasD & E Energy, Inc. Englert, Michael Houston Texas


Company Registrant City State Country (if not U.S.)D & J Oil Co. Donaldson, John Enid OklahomaD L M Dahle, Brent Edmond OklahomaD&L Energy Smyers, Larry Du Bois PennsylvaniaDahlman Rose Wangler, Jason Houston TexasDahlman Rose & Co. Dingmann, Neal Houston TexasDailey Land company inc Chapman, Betsy Cypress TexasDailey Land Company, Inc. Dailey, Michael Cypress TexasDALCO Energy, Inc. Jackson, Dalford Arlington TexasDALCO Energy, Inc. Sewak, Tom Arlington TexasDALCO Energy, Inc. Wright, Chris Arlington TexasDan A. Hughes Company Kremers, Hank Beeville TexasDan A. Hughes Company, L.P. Causey, Joe Beeville TexasDan A. Hughes Company, L.P. Hughes, Jr., Dan Allen Beeville TexasDan A. Hughes Company, L.P. Humston, John Beeville TexasDan A. Hughes Company, L.P. Saavedra, Leonel Beeville TexasDan Orbeck & Associates Orbeck, Dan Houston TexasDaniel K Donkel Donkel, Daniel Daytona Beach FloridaDaniel Wilson & Associates Wilson, Danny Montgomery TexasDart Oil & Gas Bailey, Craig M. Fort Worth TexasDART Oil & Gas Corp Farner, Dave Fort Worth TexasDart Oil & Gas Corp Oden, Jim Fort Worth TexasDart Oil & Gas Corporation Walsh, Kevin Fort Worth TexasDart Oil & Gas Corporation Yahr, Jim Fort Worth TexasDart Resources, Inc Weger, Damon Lafayette LouisianaData Retrieval Corporation Kelly, Rod Houston TexasDavid H. Arrington Oil & Gas Hall, Chris Midland TexasDavid H. Arrington Oil & Gas Ledford, Danny Midland TexasDavid H. Arrington Oil & Gas, Cummins, Eric Midland TexasDavid H. Arrington Oil & Gas, Inc. Scolman, David Midland TexasDavid Petroleum Corp Joyce, Martin Roswell New MexicoDavid Petroleum Corp. Blaylock, Steve Roswell New MexicoDavid Petroleum Corp. David, Edward K Roswell New MexicoDavid Petroleum Corp. David, Edward N Roswell New MexicoDavid Petroleum Corp. Fly, III, Sterling Roswell New MexicoDavid Petroleum Corp. Owen, Bill B Roswell New MexicoDavid Rose & Associates Rose, David G. Louisville KentuckyDavis Holdings Clark, Chris Houston TexasDavis Holdings L.P. Davis, Ross Houston TexasDavis Petroleum Corp Patterson, Dave Houston TexasDavis Petroleum Corp. Canjar, George Houston TexasDavis Petroleum Corp. Davis, Gregg Houston TexasDavis Petroleum Corp. Durtsche, Jerry Houston TexasDavis Petroleum Corp. Gholson, Bud Houston TexasDavis Petroleum Corp. Gregory, Mike Houston TexasDavis Petroleum Corp. Lowry, Bruce Houston TexasDavis Petroleum Corp. Manara, Vincent Houston TexasDavis Petroleum Corp. Martinkewiz, Alan Houston TexasDavis Petroleum Corp. Nickson, Dave Houston TexasDavis Petroleum Corp. Parker, George Houston TexasDawson Geophysical McCown, Debbie Oklahoma City OklahomaDawson Geophysical Wallace, Scott Houston TexasDawson Geophysical Yund, Gregory Houston TexasDawson Geophysical Company Forsdick, Kermit Houston TexasDawson Geophysical Company Pruitt, Stephen Houston TexasDawson Geophysical Company Smith, Stephanie Midland Texas


Company Registrant City State Country (if not U.S.)Daybreak Oil and Gas Martin, Robert Spokane WashingtonDayNight Powered Towers Jack, Cactus Salt Lake City UtahDCP Midstream Austin, Jeff League City TexasDCP Midstream Baeza, Claudia Midland TexasDCP Midstream Baldridge, Don Denver ColoradoDCP Midstream Chapman, Deidre Houston TexasDCP Midstream Cobb, Michael Sugar Land TexasDCP Midstream Cooper, Bill Tulsa OklahomaDCP Midstream Curley, Mike Houston TexasDCP Midstream Degen, Don Houston TexasDCP Midstream Delony, Hank Houston TexasDCP Midstream Dum, Susan Midland UtahDCP Midstream Estes, Mark Houston TexasDCP Midstream Fritsch, Patty Houston TexasDCP Midstream Garrett, David Houston TexasDCP Midstream Griesinger, David Midland TexasDCP Midstream Hetzel, Cindy Houston TexasDCP Midstream Hiett, Brian Houston TexasDCP Midstream James, Jennifer Houston TexasDCP Midstream Johnson, Susan Cypress TexasDCP Midstream Jurena, Jerry Houston TexasDCP Midstream Lewis, Kelley Houston TexasDCP Midstream Manzelmann, George Houston TexasDCP Midstream McMills, Bruce Houston TexasDCP Midstream Ogilvie, Cheryl Tulsa OklahomaDCP Midstream Reid, Mark Houston TexasDCP Midstream Ridgway, John Houston TexasDCP Midstream Sheppard, Michael Tulsa OklahomaDCP Midstream Short, Lewis Midland TexasDCP Midstream Sliger, Ken Midland TexasDCP Midstream Tischer, Sharon Midland TexasDCP Midstream Waldheim, Bill Houston TexasDCP Midstream Wargo, Cynthia Houston TexasDCP Midstream LP James, William Midland TexasDCP Midstream, LP O'Hara, Joseph Midland TexasDCP Midstream, LP Thomas, Clifford Midland TexasDCP Midstream, LP Weaver, Cathy Houston TexasDDD Exploration, Inc. Ratliff, Franklin Amarillo TexasDDD Exploration, Inc. Ratliff, Thomas Amarillo TexasDecision Strategies Mauro, Rick Houston TexasDecker Exploration, Inc. Decker, Mark Houston TexasDecker Operating Co. Hill, Steve Houston TexasDecker Operating Co. McCloskey, Ray Houston TexasDecker Operating Company,L.L.C Decker, Stan Houston TexasDeep Gulf Energy LP Young, Tom Houston Texas

Deer Lake Oil & Gas Inc. Grant, Brian St. John'sNewfoundland and Labrador Canada

Deer Lake Oil & Gas Inc. Martin, Cabot St. John'sNewfoundland and Labrador Canada

Degolyer & MacNaughton Murphy, Lonnie Houston TexasDEI Oil & Gas, LLC Landry, Richard Lafayette LouisianaDeloitte Davis, Matthew Houston TexasDeloitte - Petroleum Services Murray, Samantha Houston TexasDelta Oil and Gas, L.L.C. Harber, David Tulsa Oklahoma


Company Registrant City State Country (if not U.S.)Delta Petroleum Corporation Casteel, Gary Denver ColoradoDelta Petroleum Corporation Coe, Lyell Denver ColoradoDelta Petroleum Corporation Differding, Paul Denver ColoradoDelta Petroleum Corporation Donegan, Dave Denver ColoradoDelta Petroleum Corporation Marshall, Wes Denver ColoradoDelta Petroleum Corporation Marshall, Wes Denver ColoradoDelta Petroleum Corporation McClaren, Stewart Denver ColoradoDelta Petroleum Corporation Mckenzie, Bob Denver ColoradoDelta Petroleum Corporation Walters, Steve Denver ColoradoDenali Oil & Gas Blunck, C Houston TexasDenali Oil & Gas Brim, John Houston TexasDenali Oil & Gas Calhoun, Janna Houston TexasDenali Oil & Gas Davies, Marissa Houston TexasDenali Oil & Gas Elzner, John Houston TexasDenali Oil & Gas Hunt, Paul Houston TexasDenali Oil & Gas Louden, Rick Houston TexasDenali Oil & Gas Love, Andrew Houston TexasDenali Oil & Gas Montz, David Houston TexasDenali Oil & Gas Reid, Mark Houston TexasDenali Oil & Gas Truitt, Cody Houston TexasDenali Oil & Gas Waybright, Jeff Houston TexasDenbury Onshore LLC Scott, Mark Plano TexasDenbury Resources Smith, Bruce Plano TexasDenbury Resources, Inc. Cox, Brad Plano TexasDenham Capital Management LP Gutke, Jeff Houston TexasDepth Geoservices Pring, David Houston TexasDetechtion Technologies Kulawik, Stanley Houston TexasDevon Ward, Dan Houston TexasDevon Energy Aldrich, Guy Houston TexasDevon Energy Bertoli, Lou Houston TexasDevon Energy Bird, Shane R. Houston TexasDevon Energy Blick, Kathy Oklahoma City OklahomaDevon Energy Bywaters, Sharon Houston TexasDevon Energy Christal, Joel Houston TexasDevon Energy Coolidge, Andy Houston TexasDevon Energy Dark, Josh Houston TexasDevon Energy Dilday, Dennis Houston TexasDevon Energy Greenfeather, Dale Houston TexasDevon Energy Guerrieri, Gary Houston TexasDevon Energy Hall, Brad Houston TexasDevon Energy Heinen, Kane Houston TexasDevon Energy Jernigan, Larry Houston TexasDevon Energy Kelleher, Greg Houston TexasDevon Energy Lang, Darryl Houston TexasDevon Energy Livingstone, Henry Houston TexasDevon Energy Louder, William Houston TexasDevon Energy Marx, Kenneth L Houston TexasDevon Energy Miller, Melissa Oklahoma City OklahomaDevon Energy Morrison, Greg Houston TexasDevon Energy O'Brien IV, William Houston TexasDevon Energy Parlange, Walter Houston TexasDevon Energy Pierce, Duane Houston TexasDevon Energy Renke, Steve Houston TexasDevon Energy Rice, Chase Houston TexasDevon Energy Rosinksi, Josh Houston Texas


Company Registrant City State Country (if not U.S.)Devon Energy Rowley, Bruce Houston TexasDevon Energy Ryan, Michael Houston TexasDevon Energy Sirkin, Jerry Houston TexasDevon Energy Wilson, Ben Houston TexasDevon Energy Winter, Scott Houston TexasDevon Energy Witherspoon, Robert Houston TexasDevon Energy Corp Glasgow, Jan Oklahoma City OklahomaDevon Energy Corp. Williams, John Houston TexasDevon Energy Corporation Adams, Rod Oklahoma City OklahomaDevon Energy Corporation Bowman, John Houston TexasDevon Energy Corporation Christopher, Henry Oklahoma City OklahomaDevon Energy Corporation Coffey, Bill Oklahoma City OklahomaDevon Energy Corporation Coffey, Bill Oklahoma City OklahomaDevon Energy Corporation Culpepper, Justin Houston TexasDevon Energy Corporation Dahmann, Doug Houston TexasDevon Energy Corporation Daniel, Will Houston TexasDevon Energy Corporation Dunleavy, Andrew Oklahoma City OklahomaDevon Energy Corporation Fritz, Dale Oklahoma City OklahomaDevon Energy Corporation Fritz, Dale Oklahoma City OklahomaDevon Energy Corporation Glasgow, Jan Oklahoma City OklahomaDevon Energy Corporation Goss, Mark Houston TexasDevon Energy Corporation Gress, Mark Houston TexasDevon Energy Corporation Hartsfield, Harlan Oklahoma City OklahomaDevon Energy Corporation Higdon, Dan Houston TexasDevon Energy Corporation Hogsett, John Oklahoma City OklahomaDevon Energy Corporation Kennedy, Dan Oklahoma City OklahomaDevon Energy Corporation LaFollette, Steve Oklahoma City OklahomaDevon Energy Corporation Lamle, Walter Oklahoma City OklahomaDevon Energy Corporation Luecken, Rick Houston TexasDevon Energy Corporation Maney, Derold Houston TexasDevon Energy Corporation McCaskill, John Oklahoma City OklahomaDevon Energy Corporation McCrocklin, Will Houston TexasDevon Energy Corporation Merecka, Monty Houston TexasDevon Energy Corporation Raines, John Oklahoma City OklahomaDevon Energy Corporation Reynolds, Earl Oklahoma City OklahomaDevon Energy Corporation Richards, Jack Oklahoma City OklahomaDevon Energy Corporation Ritenour, Jeff Oklahoma City OklahomaDevon Energy Corporation Schoenberger, Melissa Oklahoma City OklahomaDevon Energy Corporation Seitchik, Adam Houston TexasDevon Energy Corporation Simmons, Greg Houston TexasDevon Energy Corporation Spaid, John Oklahoma City OklahomaDevon Energy Corporation Torguson, Bill Houston TexasDevon Energy Corporation Vandercruyssen, Shane Houston TexasDevon Energy Corporation Vaughn, Tony Houston TexasDevon Energy Production, LP Prestridge, Lindsay Houston TexasDewbre Petroleum Corporation Day, Jack Corpus Christi TexasDewbre Petroleum Corporation Dewbre, Jerry Corpus Christi TexasDewbre Petroleum Corporation Haack, David Corpus Christi TexasDewbre Petroleum Corporation Hatridge, David Corpus Christi TexasDewbre Petroleum Corporation Kinard, David Corpus Christi TexasDewbre Petroleum Corporation Martin, Landon Corpus Christi TexasDewbre Petroleum Corporation Parker, Bob Corpus Christi TexasDewbre Petroleum Corporation Yonker, Chris Corpus Christi TexasDFW Midstream Services Lee, Peter Dallas TexasdGB Earth Sciences Payne, Layton Sugar Land Texas


Company Registrant City State Country (if not U.S.)Diamondback Solomon, Stanley Stamford ConnecticutDiasu Oil & Gas Co. Inc. Chitty, Gary Houston TexasDiasu Oil & Gas Co. Inc. Matt, Bill Houston TexasDiasu Oil & Gas Co. Inc. Matt, Connie Houston TexasDiasu Oil & Gas Co. Inc. Padgett, David Houston TexasDigital Mapping Services Garcia, Rene Corpus Christi TexasDigital Prospectors Birkelo, Bradley Houston TexasDimension Energy Co., L.L.C. O'Niell, Charles Houston TexasDimension Energy Co., L.L.C. Tindall, James Houston TexasDiverse Energy Management Co. Basham, Bryan Houston TexasDiverse Energy Management Co. Fuller, Thomas Houston TexasDJ Resources Holdings, LLC Hirs, Ed Houston TexasDJ Resources Holdings, LLC Lehman, David H Houston TexasDJ Resources Holdings, LLC Lehman, Lisa Houston TexasDJ Resources Holdings, LLC Rosenthal, Jack Denver ColoradoDLA Piper, LLC Tanner, Kathleen Houston TexasDLB Exploration , Inc. Barsalou, Austin Humble TexasDLB Exploration , Inc. Barsalou, David Kingwood TexasDLB Exploration , Inc. Barsalou, Margo Humble TexasDNE Technology Solutions Brinkley, Clint Houston TexasDodson Exploration Dodson, Darrel Evergreen ColoradoDodson Exploration Dodson, Ginger Evergreen Colorado

Dolar Energy, L.L.C. Dolar, Mark S. Fountain Hills, AZ ArizonaDomestic Development Hoskins, Kevin Dallas TexasDomestic Development Co. Fussell, J. Kirby Dallas TexasDomestic Development Company Edwards, David Dallas TexasDomestic Development Company Havens, Charley Dallas TexasDomestic Development Company Johnson, Charlie Dallas TexasDomestic Development Company Sheehan, Gary Dallas TexasDonner Properties Chance, Diana Shreveport LouisianaDonner Properties Hartley, Patti Shreveport LouisianaDonovan Capital Donovan Jr., John W. Houston TexasDorado Exploration Fields, Robert Dallas TexasDorado Exploration Schmidt, Don Dallas TexasDorado Exploration Wafford, Tim Dallas TexasDougan & Associates Dougan, David Houston TexasDoughtie Exploration Company Doughtie, David Sugar Land TexasDoughtie Exploration Company Stirling, William Sugar Land TexasDOWDCO Coring Services Parker, Misty Houston TexasDoyle Land Services, Inc. Matheson, Teresa Houston TexasDreamers Land & Minerals, Inc. Wakefield, T. Parten Bryan TexasDrill Partners Buckley, Martin Houston TexasDrill Partners Howard, Preston Houston TexasDrilling & Production Co. Hall, James Torrance CaliforniaDrilling Company Tesoro, Len Austin TexasDrillinginfo Black, Robert Austin TexasDrillingInfo Rack, Jim Houston TexasDrillingInfo, Inc. Degollado, Ashley Austin TexasDrillingInfo, Inc. Edmondson, Roger Austin TexasDrillingInfo, Inc. Gilmer, Allen Austin TexasDrillingInfo, Inc. Grant, Richard Houston TexasDrillinginfo, Inc. Hopkins, Charles Dallas TexasDrillingInfo, Inc. Hovey, Ramona Austin TexasDrillingInfo, Inc. Markham, Bill Austin Texas


Company Registrant City State Country (if not U.S.)DrillingInfo, Inc. Mayer, Garrett Austin TexasDrillingInfo, Inc. McCay, Taylor Austin TexasDrillinginfo, Inc. Nibbelink, Mark Austin TexasDrillinginfo, Inc. Sangster, Ali Houston TexasDrillinginfo, Inc. Stewart, Cindy Houston TexasDrillingInfo, Inc. Stoker, Trent Austin TexasDrillingInfo, Inc. Taylor, Brandon Austin TexasDrillingInfo, Inc. Westmoreland, Colin Austin TexasDrillingInfo, Inc. Wilcoxson, Matt Austin TexasDrillmar Oil & Gas Wright, Craig Houston TexasDrillmar Oil & Gas Co. Inc Rutter, JR, A.W (Bill) Midland TexasDrillmar Oil & Gas, Inc. Buelna, Rob Houston TexasDrillmar Oil & Gas, Inc. Huie, Ryan Houston TexasDrillmar Oil & Gas, Inc. McCarver, David Houston TexasDrillmar Oil & Gas, Inc. Rutter, III, A.W. (Bill) Houston TexasDrillmar Oil & Gas, Inc. Thompson, Jeff Houston TexasDrillmar Oil & Gas, Inc. Whitman, Nathan Houston TexasDRM Energy Meng, Hai-Ray Houston TexasDRM Energy Corporation Davis, Mike Littleton ColoradoDTE Energy Lawrence, Troy Fort Worth TexasDTE Energy Trading Zivley, Jill Houston TexasDuer Wagner III, Inc Talbot, David Dallas TexasDuer Wagner III, Inc. McSwain, Rex Dallas TexasDuer Wagner III, Inc. Washuta, Steve Dallas TexasDuncan Oil Properties, Inc Morris, Mark Oklahoma City OklahomaDuncan Oil, Inc. Brooks, Steve Houston TexasDuncan Oil, Inc. Haun, Keith Houston TexasDuncan Oil, Inc. Krueger, Scott Houston TexasDune Energy Bettis, Hal Houston TexasDune Energy Crockett, Ron Houston TexasDune Energy Gagliardi, James Houston TexasDune Energy Jeffers, Ken Houston TexasDune Energy Kerekgyarto, William Houston TexasDune Energy Langley, Catherine Houston TexasDune Energy Paige, Cheryl Houston TexasDune Energy Voelker, Foster Houston TexasDune Energy, Inc. Castagno, Rick Houston TexasDune International Byrd, Bruce Houston TexasDunn Exploration Company, LLC Niekamp, Jerry Houston TexasDurango Resources Corp. Swanson, Jeff Houston TexasDurham Oil & Gas Consulting Durham, Louise Houston TexasDurler Consulting Rule, Andrew Orleans Ontario CanadaDurler Consulting Ltd Dawson, Julian London United KingdomDW Energy Group Inc. Boneau, Rick Southlake TexasDW Energy Group Inc. White, Martin Southlake TexasDynamic Offshore Farmer, R. Joey Houston TexasDynamic Offshore Thibodeaux, Terry Houston TexasDynamic Offshore Resources Hillhouse, Ingrid Houston TexasDynamic Offshore Resources Jo, John Houston TexasDynamic Offshore Resources Miller, Gregory Houston TexasDynamic Offshore Resources, LLC Janik, Gary Houston TexasDZ Bank AG Bowles, Paul Houston TexasE & B Natural Resources Galesi, Francesco Bakersfield CaliforniaE & P Duey, Rhonda Houston TexasE&B Natural Resources Layton, Steve Bakersfield California


Company Registrant City State Country (if not U.S.)E&B Natural Resources Tague, James Bakersfield CaliforniaE&B Resources Pohle, Chet Bakersfield CaliforniaE&B Resources Ryall, Philip L. Bakersfield CaliforniaE&P Laas, Russell Houston TexasE. Stephen Erck Geoscientific and Geodetic Service Erck, Steve Houston TexasE.T. Resources, LLC Bryson, Amanda Tyler TexasE.T. Resources, LLC Lewis, Robert K. Tyler TexasE.T. Resources, LLC Reed, Chris Tyler TexasE.T. Resources, LLC Rich, Mark Tyler TexasE.Vironment, L.P. Burnett, David Tomball TexasE.Vironment, L.P. Turley, John Tomball TexasEagle Geophysical Inc Jones, Bradley Houston TexasEagle Geophysical Onshore, Inc Brooks, Tim Houston TexasEagle Geophysical Onshore, Inc Roach, Troy Houston TexasEagle Land Services Brotherton, Brandon Colleyville TexasEagle Land Services Butcher, Adam Colleyville TexasEagle Land Services Hawkins, Jonathan Colleyville TexasEagle Land Services Hekele, Kevin Colleyville TexasEagle Oil & Gas Moore, Michael Corpus Christi TexasEagle Oil & Gas Co. Bolin, Houston Dallas TexasEagle Oil & Gas Co. Bolin, Pat S. Dallas TexasEagle Oil & Gas Co. Laukhuf, Stan Dallas TexasEagle Oil & Gas Co. Lundberg, C. A. Dallas TexasEagle Oil & Gas Co. Rhodes, John Dallas TexasEagle Oil & Gas Co. Smith, Russell Dallas TexasEagle Oil & Gas Co. Woods, Rolf Dallas TexasEagle Rock Energy Horn, J. Stacy Houston TexasEagle Rock Energy Partners, L.P. Hendrickson, Steve Houston TexasEarthfield Technology Inc. Cathey, Bill Cypress TexasEarthfield Technology Inc. Lane, David Cypress TexasEast Guadalupe Resources, LLC Flanigan, Ted Bandera TexasEast Guadalupe Resources, LLC Hanger, Riley Bandera TexasEast Guadalupe Resources, LLC McKeon, Tom Bandera TexasEast Texas O & G Blass, Jeff Tyler TexasEast Texas Oil & Gas Pearson, Eddy Tyler TexasEast West Oil LaGraize, Kenneth Metairie LouisianaEastern Shelf Exploration Dillon, Ed L. Fort Worth TexasEastern Shelf Exploration Dillon, Edward Fort Worth TexasEastern Shelf Exploration Walker, J.T. Fort Worth TexasEastern Shelf Exploration Walker, Jim Fort Worth TexasECA Holdings, L.P. Hipke, Clint Sugar Land TexasECA Holdings, L.P. Hopkins, Jackie Sugar Land TexasECA Holdings, LP Parker, Douglas Sugar Land TexasECA Holdings, LP Templin, Jimmy Sugar Land TexasEcCana Oil & Gas Martin, Bruce Dallas TexasECCO Energy Garza, Veronica Houston TexasECCO Energy Knowles, Steve Houston TexasECCO Energy Meador, Karen Houston TexasECCO Energy Ozbolt, Jack Houston TexasECCO Energy Skipper, Sam Houston TexasECCO Energy Zimmerman, Tiffany Houston TexasEcho Geophysical Burmeister, Brea Denver ColoradoEcho Geophysical Jancik, John Denver ColoradoEcho Geophysical Morse, Jessica Denver Colorado


Company Registrant City State Country (if not U.S.)Echo Geophysical Thies, Alli Denver ColoradoEcho Geophysical Corporation Auguillard, Denise Houston TexasEcho Geophysical Corporation Johnson, Kent Denver ColoradoEcho Geophysical Corporation Langer, Mark Houston TexasEcho Geophysical Corporation Nielsen, Kirsten Denver ColoradoEcho Geophysical Corporation Pauley, Jennifer Denver ColoradoEcho Geophysical Corporation Shipley, Julie Frisco TexasEcho Geophysical Corporation Steineck, Rick Denver ColoradoEcho Geophysical Corporation Wepfer, Bill Denver ColoradoEckard Land & Acquisition Dorsey, Doug Boerne TexasEckard Land & Acquisition Walsh, Brian Boerne TexasEckard Land & Acquisition Zamzow, Wendy Boerne TexasEcopetrol S.A. Arciniegas, Zenia Bogota ColombiaEcoPetrol SA Cortes Forero, Giuliana Bogota Colombia

EcoPetrol SA Romero Benites, Juliana Ro Bogota ColombiaEdgewood Exploration Campbell, Richard Saint Francisville LouisianaEDP Services Noe, Gary Montgomery TexasEEI Buck, Chauncey Houston TexasEIG Resources LLC Delap, J.Q. Kingwood TexasEl Paso Bacon, Randy Houston TexasEl Paso Nixon, Roger Houston TexasEl Paso Webb, Jerry Houston TexasEl Paso Williams, Elizabeth Houston TexasEl Paso Corporation Arnold, Gayle Houston TexasEl Paso Corporation Black, Linda Houston TexasEl Paso Corporation Carlson, James Houston TexasEl Paso Corporation Castiglione, Mark Houston TexasEl Paso Corporation Kincannon, Robert Houston TexasEl Paso Corporation King, Michael Houston TexasEl Paso Corporation LaFleur, Christopher Houston TexasEl Paso Corporation Ullah, Omar Houston TexasEl Paso Corporation Zapata, Gustavo Houston TexasEl Paso E & P Mooney, John Houston TexasEl Paso E & P Company L.P. Jones, Casey Houston TexasEl Paso E & P Company L.P. Kelly, John Houston TexasEl Paso E & P Company L.P. Pieper, Nick Houston TexasEl Paso E & P Company L.P. Schaffer, Katie Houston TexasEl Paso E & P Company L.P. Waller, Ryan Houston TexasEl Paso E & P Company, L.P. Hammock, Catherine Houston TexasEl Paso E&P Sipperly, David Houston TexasEl Paso E&P Company Amend, Cullen Houston TexasEl Paso E&P Company Cundiff, Nancy Houston TexasEl Paso E&P Company Krulewitz, Andrea Houston TexasEl Paso E&P Company, L.P. Cohn, Jim McAllen TexasEl Paso E&P Company, LP Wiltz, Anthony Lafayette LouisianaEl Paso Exploration & Griffith, Gary Houston TexasEl Paso Exploration & Hatch, Greg Houston TexasEl Paso Exploration & Mercer, Bob Houston TexasEl Paso Exploration & Yorek, James Houston TexasEl Paso Exploration & Prod Degenstein, Joel Houston TexasEl Paso Exploration & Production Garza, Nico Houston TexasEl Paso Production Burns, Greg Houston TexasEl Tex Petroleum LLC Texas, Les Houston TexasEland Energy, Inc. McGuire, Robin Dallas Texas


Company Registrant City State Country (if not U.S.)Eland Energy, Inc. Neal, Danny Dallas TexasElexco Land Services, Inc. Hennig, David L. Corning New YorkElite Land Services Ellerbe, Kenny Brenham TexasElite Land Services Nice, Michael Brenham TexasElite Land Services Sodolak, John Brenham TexasEllison Engineering Dickinson, John Houston TexasEllison Engineering Inc Ellison, Don Houston TexasEllora Energy Dynda, Jeff Boulder ColoradoEllora Energy Miller, Steve Boulder ColoradoEllora Energy Neese, Doug Boulder ColoradoEllora Energy Schulz, Joel Boulder ColoradoEllora Energy Touchon, Ron Boulder ColoradoEllora Energy Williams, Jeffery Boulder ColoradoEllora Energy, Inc. Meis, Thomas Boulder ColoradoEl-Paso E&P Absi, George A. Houston TexasEMC Corporation Daniel, Colm Campbell CaliforniaEMC Surveying & Mapping Mattox, John Greenwood MississippiEMGS Bruheim, Bjarte Houston Texasemgs DeWitt, Nancy Houston TexasEmpresa Energy Elkin, Jeff Houston TexasEmpresa Energy Hooper, David Houston TexasEmpresa Energy Keenan, Sean Houston TexasEmpresa Energy, LP Bowering, Dale Houston TexasEmpresa Energy, LP Dean, John Houston TexasEmpresa Energy, LP Dierks, Deidra Houston TexasEmpresa Energy, LP Hooper, David Houston TexasEmpresa Energy, LP Michalak, Doris Houston TexasEnCana Oil & Gas (USA) Inc. Haney, Mark Dallas TexasEnCana Oil & Gas (USA) Inc. Talbert, Josh Dallas TexasEnCap Investment L.P. Devlin, Ryan Houston TexasEnCap Investments McMahon, Jason Dallas TexasEnCap Investments Smetko, Scott Dallas TexasEnCap Investments L.P. DeLorenzo, Jason Houston TexasEnCap Investments L.P. Hovendick, Mitchell Houston TexasEnCap Investments L.P. Kafka, Kyle Houston TexasEnCap Investments L.P. Markham, IV, Murphy Dallas TexasEnCap Investments L.P. Petersen, Gary Houston TexasEnCap Investments L.P. Smith, Sean Houston TexasEnCap Investments L.P. Snoots, Wynne Houston TexasEnCap Investments L.P. Swanson, Douglas Houston TexasEnCap Investments L.P. Thielemann, Brad Houston TexasEnCap Investments L.P. Welsh, Mark Dallas TexasEnCap Investments L.P. Zorich, Robert Houston TexasEnCap Investments LP Bechtol, Brent Houston TexasEnCap Investments, L.P. Phillips, D. Martin Houston TexasEnCap Investments, LP Burroughs, Mark Houston TexasEnCap Investments, LP Crystal, Matt Houston TexasEncore Acquisition Company Arms, John Fort Worth TexasEncore Acquisition Company Bailey, Wayne Fort Worth TexasEncore Acquisition Company Gindrat, Bob Ft. Worth TexasEndeavor Energy Resources, LP Castello, Joel Midland TexasEndeavor Natural Gas, LP Foster, William Houston TexasEndeavor Natural Gas, LP Houff, Bruce Houston TexasEndeavor Natural Gas, LP Jenner, Richard Houston TexasEndeavor Natural Gas, LP Lambert, Chris Houston Texas


Company Registrant City State Country (if not U.S.)Endeavor Natural Gas, LP Russ, William Houston TexasEndico, Inc. Endicott, James Edmond OklahomaEnduring Resources Campbell, Alex Denver ColoradoEnergen Resources Corporation Richardson, John Birmingham AlabamaEnergy America Gross, Peter Houston TexasEnergy Capital Solutions Behrens, Keith Dallas TexasEnergy Capital Solutions Czuppon, Chris Dallas TexasEnergy Capital Solutions Shepko, Jonathan Dallas TexasEnergy Capital Solutions Trulock, Scott Dallas TexasEnergy Corporation of America Sullivan, Peter Charleston West VirginiaEnergy Drilling Company Helbling, James Natchez MississippiEnergy Equity Company Nelson, Gerald Columbus MontanaEnergy Executive Search Cox, Debra Humble TexasEnergy Executive Search International Hays, Leila Humble TexasEnergy Executive Search International Ramirez, Veronica Humble TexasEnergy Executive Search International Rollen, Robert Humble TexasEnergy Executive Search International Wallace, Justin Humble TexasEnergy Executive Search International Weir, Mary Kingwood TexasEnergy Graphics, Inc. Moran, Mark Houston TexasEnergy Intelligence Shook, Barbara Houston TexasEnergy Interests Branscomb, Hill San Francisco CaliforniaEnergy Investment Partners Allison, Denny Dallas TexasEnergy Investment Partners Flournoy, Bob Dallas TexasEnergy Investment Partners Flournoy, Tanner Dallas TexasEnergy Investment Partners Pfeiffer, Dan Dallas TexasEnergy Magazine Cook, Alice Houston TexasEnergy Operations Group Alcorn, George Houston TexasEnergy Operations Group Willis, Jayme Houston TexasEnergy Partners, Ltd. Black, Robert Houston TexasEnergy Partners, Ltd. Broussard, Pierre New Orleans LouisianaEnergy Partners, Ltd. Davis, Ben Houston TexasEnergy Partners, Ltd. DeBrock, Tom New Orleans LouisianaEnergy Partners, Ltd. Jones, Paul Houston TexasEnergy Partners, Ltd. Longon, Steve New Orleans LouisianaEnergy Partners, Ltd. Reilly, Brenda New Orleans LouisianaEnergy Partners, Ltd. Riegler, Paul Houston TexasEnergy Partners, Ltd. Smith, Diane Houston TexasEnergy Partners, Ltd. Vincent, Keith New Orleans LouisianaEnergy Partners, Ltd. Winkelman, Ben Houston TexasEnergy Production Corporation McLain, Chet Dallas TexasEnergy Professional Search Campbell, Sofia Bellaire TexasEnergy Properties, Inc. Baynas, Chris Lafayette LouisianaEnergy Properties, Inc. Conn, Wiley Lafayette LouisianaEnergy Properties, Inc. Phillips, Joe Lafayette LouisianaEnergy Properties, Inc. Watson, Dave Lafayette LouisianaEnergy Quest Carter, Jack Houston TexasEnergy Quest Mayer, Molly Houston TexasEnergy Quest Pacht, Jory Houston TexasEnergy Royalty Investments Shunta, Joseph W. Houston TexasEnergy Sourcing Howard, Tim Houston TexasEnergy Spectrum Brookshire, A. Wood Dallas TexasEnergy Spectrum Davis, Benjamin Dallas TexasEnergy Spectrum Kuenn, Kevin W. Dallas TexasEnergy Supply Corporation Bryan, Mike Wichita KansasEnergy Supply Corporation Kirk, Tom Wichita Kansas


Company Registrant City State Country (if not U.S.)Energy Title Group, LLC Brinkley, Gregory Justin TexasEnergy Transfer Cook, Robert Houston TexasEnergy Trust White, Leland Dallas TexasEnergy Trust Partners Hsia, Alan New York New YorkEnergy Trust Partners Matthaei, William New York New YorkEnergy Ventures Sledzik, Jim Houston TexasEnergy West Resources Knight, Darryl Great Falls MontanaEnergy West Resources Osborne Sr., Richard Great Falls MontanaEnergy West Resources Smith, Thomas J. Great Falls MontanaEnergy XXI Henry, Chuck Houston TexasEnergy XXI Weyel, Steve Houston TexasEnergyNet, Inc. Atherton, Chris Houston TexasEnergyNet, Inc. Baker, Michael Dallas TexasEnergyNet, Inc. House, Ethan Amarillo TexasEnergyQuest II, LLC Aaronson, Rory Houston TexasEnerQuest Corporation Backiel, Robert Dallas TexasEnerQuest Corporation Bridgefarmer, Larry J. Plano TexasEnerQuest Corporation Dollins, Michael Plano TexasEnertia Software Alford, John Midland TexasEnertia Software Alvarez, Julian Midland TexasEnertia Software Biggerstaff, Scott Midland TexasEnertia Software Schmidt, Karl Midland TexasEnertia Software Schmidt, Kevin Midland TexasEnertia Software Tissue, Mike Midland TexasEnerven Wesco Garrett, Howard Cypress TexasEnerVest Ltd Barnhill, Mark Charleston West VirginiaEnerVest Ltd Downey, Steve Charleston West VirginiaEnerVest, Ltd. Hilsmeier, Laura Houston TexasEnerVest, LTD. Houser, Mark Houston TexasEnerVest, Ltd. Jones, Jon Albany TexasEnerVest, Ltd. Leonard, Lucy Houston TexasEnerVest, Ltd. Threlkeld, Lindsey Houston TexasEnerVest, Ltd. Whitmire, Ron Houston TexasEnexco, Inc. Rather, Noell Dallas TexasEnhanced Oil Resources Inc. Babin, Kelly Houston TexasEnhanced Oil Resources Inc. Lasker, Barry Houston TexasEnhanced Oil Resources Inc. Longmire, Russell Houston TexasEnhanced Oil Resources Inc. Skurner, Jim Houston TexasENMAR Development, Inc. Elford, Tim Houston TexasEnrisk Services O'Jibway, Jay Fort Worth TexasEnRisk Services, Inc. Hall, M. Adam Fort Worth TexasEnRisk Services, Inc. Hudler, Brian Fort Worth TexasEnRisk Services, Inc. King, Charlie Fort Worth TexasEnRisk Services, Inc. Lukefahr, Phil Houston TexasEnS Energy, LP. Emmer, Daniel Grapevine TexasEnsley Properties Newcomb, Jim Houston TexasEnsley Properties, Inc. Ensley, Linda Houston TexasEnstream Capital Mooney, Dan Dallas TexasEnterprise Products MacDougall, Kate Houston TexasEnterprise Products Schwarz, James Houston TexasEnterprise Products Willis, Raymond Houston TexasEnviro Shield, Inc. Dorsey, Don Kerrville TexasEnviro Shield, Inc. Dorsey, Gloria Kerrville TexasEnviro Shield, Inc. Pope, Scott Kerrville TexasEnviro Shield, Inc. Rutan, Joyce Kerrville Texas


Company Registrant City State Country (if not U.S.)ENVOI Limited Jackson, Terry London United KingdomENVOI Limited Lakin, Mike London United KingdomENVOI Limited Macaulay, Maureen London United KingdomENVOI Limited Staffurth, Joe London United KingdomEOG Resources Harp, Allen Midland TexasEOG Resources LaFlure, Ernest Tyler TexasEOG Resources Schween, Mike Denver ColoradoEOG Resources Seibens, D Jay Midland TexasEOG Resources, Inc. Becker, John Tyler TexasEOG Resources, Inc. Boedeker, Ken Denver ColoradoEOG Resources, Inc. Brooks, Michael Tyler TexasEOG Resources, Inc. Davis, Randall Tyler TexasEOG Resources, Inc. Fusselman, Tim Houston TexasEOG Resources, Inc. George, Zola Tyler TexasEOG Resources, Inc. Hennigan, Bryan Oklahoma City TexasEOG Resources, Inc. Himes, Stephen Tyler TexasEOG Resources, Inc. Jones, Scott Midland TexasEOG Resources, Inc. Lewis, Brad Oklahoma City OklahomaEOG Resources, Inc. Odom, Lori Oklahoma City OklahomaEOG Resources, Inc. Smith, Flavious Fort Worth TexasEos Energy, LLc Rairden, Larry Bellaire TexasEpic Energy Resources Reynolds, David Spring TexasEPOCH Well Services Inc Howells, Scott Plano TexasEpsilon Energy Ltd Ward, Dan Houston TexasEpsilon Energy USA Inc. Heinz, David Traverse City MichiganEquity Advisors, LLC Owen, Donald J. Houston TexasERDAS Armstrong, Mick Norcross GeorgiaERG Resources, LLC Fakhreddine, Ali Houston TexasERG Resources, LLC Jewett, Phil Houston TexasERG Resources, LLC Lacey, Doug Houston TexasERG Resources, LLC LaFleur, Larry Houston TexasERG Resources, LLC McCauley, Kristy Houston TexasERG Resources, LLC Pierson, Del Houston TexasERG Resources, LLC Powell, Jerry Houston TexasERG Resources, LLC Wood, Scott Houston TexasErgodic Resources LLC Boling, Robert Roswell New MexicoErgon Exploration Beck, George Houston TexasErgon Exploration Henthorne, Jason Houston TexasErgon Exploration Henthorne, Jay Houston TexasErgon Exploration Kitchingham, Bud Houston TexasErgon Exploration Langley, Kellie Houston TexasErgon Exploration Pritchard, Bob Houston TexasErgon Exploration Strader, Colleen Houston TexasErgon Exploration Ullrich, Martin Houston TexasErgon Exploration Ware, Meagan Houston TexasEric Yerkovich Oil and Gas Yerkovich, Eric Austin TexasErskine Energy, LLC Erskine, Rodney Houston TexasErskine Energy, LLC Ponder, Jim Houston TexasErwin Energy Corp. Erwin, Frank Houston TexasESA Consulting Ritch, Kurt Longview TexasESA Consulting LLC Davis, Seleta Tyler TexasESA Counsulting Earley, Randy Longview TexasEschelon Energy Partners Glanville, Thomas Houston TexasESeis Inc. Janke, Bjoern Houston TexaseSeis, Inc Reinkemeyer, David Houston Texas


Company Registrant City State Country (if not U.S.)eSeis, Inc. Cathro, Stewart Houston TexasESeis, Inc. Marshall, Jason Houston TexasESeis, Inc. Porche, Shawn Houston TexasEsenjay Petroleum Corporation Alexander, Dale Corpus Christi TexasEsenjay Petroleum Corporation Bosch, Sil Corpus Christi TexasEsenjay Petroleum Corporation Claughton, Jim Corpus Christi TexasEsenjay Petroleum Corporation Gardner, Eric Corpus Christi TexasEsenjay Petroleum Corporation Johnson, Michael Corpus Christi TexasEsenjay Petroleum Corporation Schibi, Linda Corpus Christi TexasEsenjay Petroleum Corporation Thomas, Aaron Corpus Christi TexasEsenjay Petroleum Corporation Thomas, Jim Corpus Christi TexasEser Corporation Chamoglu, Eser Scottsdale ArizonaEspuela Energy Murry, James Laredo TexasESS Funds Baudin, Brandon Houston TexasESS Funds Hewitt, Jeffrey Houston TexasESS Funds Sullivant, S. Tim Houston TexasEstacado Investment Mgmt., LLC Morrison, Dan Plano TexasE-Tex Resources Lewis, Eric Jacksonville TexasEtoco, L.P. Bozeman, Hal Houston TexasETOCO, LP Cochran, Walter Houston TexasEtoco, LP Fisher, Dan Houston TexasETROA Resources LLC McVey, Kevin Covington LouisianaEverest Resource Company Clark, James Corpus Christi TexasEverest Resource Company Clark, Mary Corpus Christi TexasEverest Resource Company Clark, Travis Corpus Christi TexasEverest Resource Company Clifford, Mike Corpus Christi TexasEverest Resource Company Crain, Tom Corpus Christi TexasEverest Resource Company Stubblefield, Brian Corpus Christi TexasEverest Resource Company Thomas, Stephen Corpus Christi TexasEvergreen Energy Partners, LLC Hendershott, Paul Houston TexasEvergreen Preservation Production Group, LLC Amos, Dorance Elk Rapids MichiganEvergreen Preservation Production Group, LLC Clark, John Elk Rapids MichiganEvergreen Preservation Production Group, LLC Derman, Jr., William F. Elk Rapids MichiganEvergreen Preservation Production Group, LLC Petrie, Ken Elk Rapids MichiganEvolution Petroleum Corp Herlin, Robert Houston TexasEvolution Petroleum Corp Mazzanti, Daryl Houston TexasEvolution Petroleum Corp Schell, Edward Houston TexasEvolution Petroleum Corp Vincent, Jeff Houston TexasEvolution Petroleum Corporation Barry, Linda Houston TexasExchange E&P Company Waid, John New Orleans LouisianaEXCO Resources Foster, Rebecca Dallas TexasEXCO Resources Muth, Christina Dallas TexasExco Resources Roberts, Skip Dallas TexasEXCO Resources, Inc. Biery, Kyle Dallas TexasEXCO Resources, Inc. Hodges, Sherry Dallas TexasEXCO Resources, Inc. Jacobi, John Dallas TexasEXCO Resources, Inc. Romoser, Russell Tulsa OklahomaExoma Energy Company Dettl, James Addison TexasExoma Energy Company Gros-Dubois, Gisele Addison TexasExoma Energy Company Scull, David Addison TexasExperient Milburn, Matt Frederick MarylandExperient Professional Landmen Milburn, Matt Frederick Maryland


Company Registrant City State Country (if not U.S.)ExPert Oil & Gas LLC Kelly, Pete Covington LouisianaExplora Seismic Bourgeois, Shon Houston TexasExplora Seismic Processing Melendez, Efrain Houston TexasExplora Seismic Processing Turner, Marcia Houston TexasExplora Seismic Services, Inc Mansor, Noorlia Houston TexasExplora Seismic Services, Inc. Brookes, Aleeya Houston TexasExploration Consultant Forrest, Mike Duncanville TexasExploration Geophysics Brown, Frank Houston TexasExploration Geophysics, Inc Encinas, Kyrie Denver ColoradoExploration Geophysics, Inc. Blondeau, April Houston TexasExploration Geophysics, Inc. Miller, Lee Midland TexasExploration Geophysics, Inc. O'Neal, Thomas Midland TexasExploration Geophysics, Inc. Patterson, Resa Midland TexasExplore Enterprises LLC McCubbin, David Mandeville LouisianaExplore Enterprises LLC Szydlik, Stephen Mandeville LouisianaExplore Enterprises LLC Wolfarth, Christopher Mandeville LouisianaExterra Resources, LLC Borer, Peter Franklin TennesseeExterra Resources, LLC Holt, David Franklin TennesseeExterra Resources, LLC Lang, Larry Franklin TennesseeExxon Mobil Oliver, Rick Houston TexasExxon Mobil Exploration Tuminas, Al Houston TexasExxonMobil Production Company Bockoven, Neil Houston TexasEZ Mineral Lease.com Dykes, Brendle Shreveport LouisianaFairchild Petroleum Interests Dickie, Carson Midland TexasFairchild Petroleum Interests Fairchild, Martha Midland TexasFairchild Petroleum Interests Fairchild, Patrick Midland TexasFairchild Petroleum Interests Tyner, Jeff Midland TexasFairfield Industries Conn, Steve Rosenberg TexasFairfield Industries Filipov, Allan Sugar Land TexasFairfield Industries Holt, Sam Denver ColoradoFairfield Industries Matthews, Keith SUGAR LAND TexasFairfield Industries Inc. Browne, Mike Sugar Land TexasFairfield Industries Inc. Clark, Dennis Sugar Land TexasFairfield Industries Inc. Davis, Suzanne Sugar Land TexasFairfield Industries Inc. Dryer, Debra Sugar Land TexasFairfield Industries Inc. Dryer, Joe Sugar Land TexasFairfield Industries Inc. Hunt, Veronica Sugar Land TexasFairfield Industries Inc. Icenhower, Scott Sugar Land TexasFairfield Industries Inc. Lauhoff, George Sugar Land TexasFairfield Industries Inc. Lawrence, Marc Sugar Land TexasFairfield Industries Inc. Monroe, Penelope Sugar Land TexasFairfield Industries Inc. Sims, Lance Sugar Land TexasFairfield Industries Inc. Smythe, John Sugar Land TexasFairfield Industries Inc. Stewart, Bob Sugar Land TexasFairfield Industries Inc. Wright, Kevin Denver ColoradoFairway Resources Eagleston, Matt Southlake TexasFairway Resources, LLC Small, Joe Southlake TexasFairwinds International Hurst, Ryan Covington LouisianaFairwinds International Napier, Bill Covington LouisianaFalcon Exploration Consulting Wilmoth, Steve The Woodlands TexasFalcon Gas Storage Wash, Donald Houston TexasFalcon Oil and GAs Edwards, James Denver ColoradoFalcon Resources, Inc. Faulkner, Brad Kilgore TexasFar East Energy Nahmias, David Houston TexasFar East Energy Rehm, William Houston Texas


Company Registrant City State Country (if not U.S.)Far East Energy Corporation Gay, Catherine Houston TexasFar East Energy Corporation Harris, Dana Houston TexasFar East Energy Corporation McElwrath, Michael Houston TexasFar East Energy Corporation Smith, Jay Houston TexasFar East Energy Corporation Ward, Garry Houston TexasFar East Energy Corporation Williams, Thomas Houston TexasFar East Energy Corporation Yang, Alex Houston TexasFasken Oil & Ranch, Ltd. Harmon, Dexter Midland TexasFDFS, Inc Lewis, Chad Sugar Land TexasFDFS, Inc. Davis, Scott Sugar Land TexasFDFS, Inc. Hodges, Robert Sugar Land TexasFelice Exploration, LLC Wallis, Bruce New Orleans LouisianaffA Pardo, Federico Aberdeen United KingdomFidelity EPCO Flook, Bob Denver ColoradoFidelity Exploration Kratky, Steve Houston TexasFidelity Exploration Meyer, Mitch Denver ColoradoFidelity Exploration Soulis, George Denver ColoradoFidelity Exploration & Errebo, Jay Denver ColoradoFidelity Exploration & Prod. Ross, Joe Houston TexasFidelity Exploration & Product Finneman, Darrell Denver ColoradoFidelity Exploration & Production Co. Jackson, Steve Houston TexasFidelity Exploration & Production Co. Rutledge, Randy Houston TexasFidelity Exploration & Production Co. Soulis, George Denver ColoradoFidelity Exploration & Production Co. Wood, David Houston TexasFidelity Exploration & Production Company Ransbottom, Wayne Sheridan WyomingFinley Resources Inc. Brummett, Gerald Fort Worth TexasFinley Resources Inc. Koerth, Clinton Fort Worth TexasFinley Resources Inc. Lauman, Gary Fort Worth TexasFinley Resources, Inc. Talbot, Brent Fort Worth TexasFintex Oil & Gas, Inc. Debrow, John Huntsville TexasFintex Oil & Gas, Inc. Kent, Larry Huntsville TexasFintex Oil &Gas, Inc. Kent, Garry D. Huntsville TexasFirst Aid Nurse Jones, LaToya Houston TexasFirst American Moore, Melissa Austin TexasFirst Aransas Reserves Weaver, Horace Alvin TexasFirst Aransas Reserves, Inc. Weaver, Sherman Alvin TexasFirst Australian Resources Effimoff, Igor Houston TexasFirst Australian Resources Evans, Michael Denver ColoradoFive States Energy Capital, L.L.C. Budge, Arthur Dallas TexasFive States Energy Capital, L.L.C. Collins, Steve Dallas TexasFive States Energy Capital, L.L.C. Gamez-Stoll, Patricia Dallas TexasFive States Energy Capital, L.L.C. Gibbs, James Dallas TexasFive States Energy Capital, L.L.C. Harrison, Richard Dallas TexasFive States Energy Capital, L.L.C. Maples, Grant Dallas TexasFive States Energy Capital, L.L.C. Stone, Gary Dallas TexasFiveStones Energy Brickey, Jon Midland TexasFivestones Energy Levea, Earl Midland TexasFlamingo Seismic Solutions Davidson, Steve Tulsa OklahomaFlatirons Resources LLC Hull, Michael Denver ColoradoFlatirons Resources, LLC Esparza, Andrew Denver ColoradoFlatrock Compression Williams, Dale San Antonio TexasFoothills Resources, Inc. Gordon, Stuart Bakersfield CaliforniaFoothills Resources, Inc. Moran, John Bakersfield CaliforniaForce 5 Energy, LLC Foss, Cliff Houston Texas


Company Registrant City State Country (if not U.S.)Force 5 Energy, LLC Hamilton, Bruce Houston TexasForce 5 Energy, LLC Prioleau, Charlie Houston TexasForce 5 Energy, LLC Travillo, Jim Houston TexasForce 5 Energy, LLC VanNatta, Wes Houston TexasForce Petroleum LLC Pratt, Jr., Samuel Houston TexasForce Petroleum LLC Williams, Thomas Houston TexasForest Capital Partners Kernohan, Martha Portland OregonForest Capital Partners Stover, Corey Leesville LouisianaForest Oil Massar, Bruce Houston TexasForest Oil Corp Schaenen, Diane Denver ColoradoForest Oil Corp. Stahl, Melvin Denver ColoradoForest Oil Corp. Wiggin, Roger Denver ColoradoForest Oil Corporation Albrecht, Tony Denver ColoradoForest Oil Corporation Anderson, Gene Denver ColoradoForest Oil Corporation Baker, Robert Houston TexasForest Oil Corporation Bolin, Jenifer Denver ColoradoForest Oil Corporation Bush, Mark Denver ColoradoForest Oil Corporation Cranford, Kim Houston TexasForest Oil Corporation Donohue, Kevin Denver ColoradoForest Oil Corporation Getz, Ethan Houston TexasForest Oil Corporation Headstream, Karen Houston TexasForest Oil Corporation Higgins, Ned Denver ColoradoForest Oil Corporation Laverde, Scott Denver ColoradoForest Oil Corporation Luszcz, Victor Denver ColoradoForest Oil Corporation Magalski, Mike Houston TexasForest Oil Corporation Mizenko, Glen Denver ColoradoForest Oil Corporation Nutt, Ronnie Houston TexasForest Oil Corporation Roper, Yvonne Houston TexasForest Oil Corporation Runyon, Dave Denver ColoradoForest Oil Corporation Smith, Christy Houston TexasForest Oil Corporation Spear, Dallas Denver ColoradoForest Oil Corporation Squyres, Gary Houston TexasForest Oil Corporation Tsoukalas, John Houston TexasForest Oil Corporation Wyche, Tom Denver ColoradoForest Oil Corporation Company Williamson, Binney Houston TexasFormosa Plastics Corporation Jou, W.S. Livingston New JerseyFort Worth Energy Benda, Bob Fort Worth TexasFortay, Inc Peeples, Scott Sunray TexasForte' Operating Forte', Marty Dallas TexasFortuna (US) L.P. Blumell, Jeana Calgary Alberta CanadaFortuna (US) L.P. Wilson, Alex Calgary Alberta CanadaFortune Resources, LLC Carter, Dean Longview TexasForum Exploration Company, L.P. Fender, David Tyler TexasForum Exploration Company, L.P. Lee, Bob Tyler TexasForum Exploration Company, L.P. Willey, Mike Tyler TexasFossil Oil & Gas Mgmt, LLC Kittler, Dennis Houston TexasFossil Oil & Gas Mgmt, LLC Olitt, Richard Houston TexasFossil Oil & Gas Mgmt. LLC Timko, Don Houston TexasFoundation Energy Management, LLC Sauer, Joel Denver ColoradoFountainhead Oil and Gas Hough, Robert Dallas TexasFour Star Resources, LLC Wittman, Robert Colleyville TexasFour States Energy Marrs, Paxton Shreveport LouisianaFour T's Ventures Thibodeaux, Glen Lafayette LouisianaFranklin Hamilton John, Chun Stamford ConnecticutFranklin Hamilton Su, Mary Stamford Connecticut


Company Registrant City State Country (if not U.S.)Franks Exploration Co. L.L.C. Yarbrough, Edward Shreveport LouisianaFranks Exploration Company Light Jr., James M. Shreveport LouisianaFranks Mgmt. Company, LLC Jelks, Bobby Shreveport LouisianaFremont Exploration, Inc. Conroy, Tom Oklahoma City OklahomaFremont Exploration, Inc. Goldsworthy, Thomas Oklahoma City OklahomaFremont Exploration, Inc. Lauer, Tim Oklahoma City OklahomaFremont Exploration, Inc. Miller, Debbie Oklahoma City OklahomaFremont Exploration, Inc. Nicholson, Larry Oklahoma City OklahomaFremont Exploration, Inc. Robinson, Jeffrey Oklahoma City OklahomaFremont Exploration, Inc. Stingerie, Darcy Oklahoma City OklahomaFremont Exploration, Inc. Trenchard, Steve Oklahoma City OklahomaFridge & Resendez LLC Vargo, Travis Houston TexasFriends of the Barnett Shale Gordon, Mark Fort Worth TexasFriends of the Barnett Shale Hernandez, Nancy Fort Worth TexasFrontier Resources Int. Inc. Keyes, Michael John Houston TexasFrost Zemkoski, Alex Fort Worth TexasFrost Bank Dodds, Lane Houston TexasFrost Bank Merryman, Andrew Houston TexasFrost Mineral Asset Management Cloud, Paul Houston TexasFrost National Bank Dungan, Tom Houston TexasFT Well Service Forrest, Will Rockport TexasFt. Apache Energy, Inc. Bloxsom, Allan Boerne TexasFugro Schwartz, David Houston TexasFugro Data Solutions, Inc. Brown, Dwight Houston TexasFugro Data Solutions, Inc. McGuire, Brad Houston TexasFugro Jason Angel, Michele Houston TexasFugro Jason, Inc. Titchmarsh, Howard Houston TexasFugro-Jason Martin, Jeff Houston TexasFusion Petroleum Technologies, Inc. Koseluk, Richard The Woodlands TexasFuture Petroleum Company LLC Macicek, Larry Houston TexasFuture Petroleum Company, LLC Fite, Keith Houston TexasFuture Petroleum Company, LLC Price, Carl Houston TexasFuture Petroleum Company, LLC Sansone, Stan Houston TexasG. H. Felderhoff, LLC Felderhoff, Glenn Graham TexasG4 Resources, Inc. Dent, Garry The Woodlands TexasG4 Resources, Inc. Massell, Wulf Spring TexasGA Services Moles, Jan New Ulm TexasGAEDEKE DRILLING LLC Coble, Blake Henryetta OklahomaGAEDEKE DRILLING LLC Coble, Vince Henryetta OklahomaGaither Petroleum Corporation Baker, Keith Houston TexasGaither Petroleum Corporation DeMarco, David Houston TexasGaither Petroleum Corporation Gaither II, O. Duane Houston TexasGaither Petroleum Corporation Hebert, Kevin Houston TexasGaither Petroleum Corporation Marks, Wally Houston TexasGaither Petroleum Corporation Schuepback, Ken Houston TexasGaither Petroleum Corporation Seery, Jim Houston TexasGaither Petroleum Corporation Urban, Eric Houston TexasGAllagher Energy Farebrother, Graham Houston TexasGalvez Energy Enyart, Bill Houston TexasGalvez Energy Moon, Jerry Houston TexasGamma Energy Zimlich, David Arlington TexasGAr Petroleum Inc Ramos, Daniel Mcallen TexasGAR Petroleum Inc. Garza, Bruno Mcallen TexasGarrison Natural Resources, Inc. Garrison, Gardiner Houston TexasGarrison Natural Resources, Inc. Hartley, Graham Houston Texas


Company Registrant City State Country (if not U.S.)GasCo Stevens, Jay Charleston West VirginiaGasco Energy, Inc. Davis, Thom Englewood ColoradoGasco Energy, Inc. Decker, Michael Englewood ColoradoGasco Energy, Inc. Namson, Jay Englewood ColoradoGasco Energy, Inc. Smith, David Englewood ColoradoGasper Rice Resources Batterbee, Randy Houston TexasGasper Rice Resources Gasper, Ray Houston TexasGasper Rice Resources Rice, Grant Houston TexasGasper Rice Resources Rice, Michael Houston TexasGasRock Capital LLC Bass, Lynn Houston TexasGasRock Capital LLC Erving, Glenn Houston TexasGasRock Capital LLC Hackett, Michael Houston TexasGasRock Capital LLC Johnson, Scott Houston TexasGasRock Capital LLC Newport, Caleb Houston TexasGasRock Capital LLC Rose, Linda Houston TexasGasRock Capital LLC Weisser, Frank Houston TexasGasRock Capital LLC Weisser, Ross Houston TexasGastar Exploration Ltd. Blair, Keith Houston TexasGastar Exploration Ltd. Zelaya, Rafael Houston TexasGaston L. Kearby Oil & Gas Kearby, Gaston Corpus Christi TexasGateway Energy Corporation Panico, Bob Houston TexasGateway Gathering and Marketing Company Inglish, Jeff Houston TexasGayle Consulting Gayle, Daniel Houston TexasGBH CPAs, PC Benesch, Shaun Houston TexasGBH CPAs, PC Grossman, David Houston TexasGBH CPAs, PC Houston, Jeffrey Houston TexasGE Capital Nidoh, Paul Houston TexasGE Energy Financial Services Depriest, Mike Houston TexasGE Energy Financial Services Gessinger, Paul Stamford ConnecticutGEMA Terra Ong, Jan Houston TexasGeneration Exploration LLC Steinke, Theodore Wheat Ridge ColoradoGenesis Huebner, Don Houston TexasGenesis (USA) Oil & Gas, LLC Hayes, T.J. Houston TexasGenesis Gas & Oil LLC Mohajir, Jeff Kansas City MissouriGenesis Gas and Oil LLC Mohajir, Jeff Kansas City MissouriGenesis Gas and Oil LLC Mohajir, Nez Kansas City MissouriGenesis Producing Company Bell, Philip N. Corpus Christi TexasGenesis Producing Company Dupe, David Corpus Christi TexasGenesis Producing Company Smith, J.M. Corpus Christi TexasGenesis Producing Company Voorhies, III, P.J. Corpus Christi TexasGeo Resources, Inc. Chandler, III, Collis Denver ColoradoGeo Southern Energy Coorp Davis, Don Woodlands TexasGeo Southern Energy Coorp Dyer, Trey Woodlands TexasGeo Southern Energy Coorp Northcott, John Woodlands TexasGeo Southern Energy Corp. McGuire, Erin Woodlands TexasGeo Southern Energy Corp. Molleston, Margaret Woodlands TexasGeo Wise Inc. Wiseman, Kurt Houston TexasGeoCenter, LP Stager, Norm Houston TexasGeochem Data, Inc. Henderson, James Dallas TexasGeoEdges Harding, Joel Calgary Alberta CanadaGeoflite Inc. Moore, Professor Bruce Lexington KentuckyGeokinetics Chiquillo, Narciso Houston TexasGeokinetics Keck, Don Houston TexasGeokinetics Lee, Michael Midland Texas


Company Registrant City State Country (if not U.S.)Geokinetics Peevy, Cindy Houston TexasGeokinetics Solorzano, Gustavo Houston TexasGeokinetics White, Fred Houston TexasGeokinetics Willis, Dave Houston TexasGeokinetics Inc Schearer, Phil Houston TexasGeokinetics Inc. Drake, Richard Houston TexasGeokinetics Inc. Vance, John Houston TexasGeologic Data Systems Ferguson, John Denver ColoradoGeologic Data Systems Fink, Robert Denver ColoradoGeomage Bird, David Englewood ColoradoGeomap Company Morgan, Trey Plano TexasGeomap Company Redlin, Brian Plano TexasGeomap Company Treml, Mark Plano Texas

Geo-Microbial Technologies, Inc. (GMT) Hitzman, Daniel Ochelata OklahomaGeonyx Seismic Services Webster, Billy Houston TexasGeoPetra Partners, LLC Girgis, John Plano TexasGeoPetra Partners, LLC Neeley, J. Joel Dallas TexasGeoPetra Partners, LLC Nielsen, Craig Dallas TexasGeoPetra Partners, LLC Vehon, Holly Plano TexasGeophysical Consultant Gilley, Ray Austin TexasGeophysical Consultant Marshall, Bill Houston TexasGeophysical Explorer Brannon, Greg Katy TexasGeophysical Explorer Fitzgerald, John Katy TexasGeophysical Explorer Sadler, Brittany Katy TexasGeophysical Pursuit, Inc. Brannan, Scott Houston TexasGeophysical Pursuit, Inc. Brothers, Jim Houston TexasGeophysical Pursuit, Inc. Galloway, Larry Houston TexasGeophysical Pursuit, Inc. Springmeyer, Jeff Houston TexasGeoResources, Inc. Anderson, Robert Houston TexasGeorge R. Brown Partnership, LP Mossberg, Janice Houston TexasGeoscience Resource Recovery Pande, Niraj Houston TexasGeoscience Resource Recovery Russell, Chris Grand Junction ColoradoGeoSource Energy Services Moore, Randy Midland TexasGeoSpectrum, Inc Conroy, William Midland TexasGeoSpectrum, Inc Hanson, Craig Midland TexasGeoSpectrum, Inc Oden, James Midland TexasGeoSpectrum, Inc Reeves, Dr. James Midland TexasGeoStrat, Inc. Fergus, Marvin Addison TexasGeoTape LTD Fortier, John Houston TexasGeo-Texture Stevenson, Mark Houston TexasGeotrace Asma, John Houston TexasGeotrace Bloomquist, James Houston TexasGeotrace Cash, Rebecca Houston TexasGeotrace Cauley, Pat Houston TexasGeotrace Edson, Wayne Richardson TexasGeotrace Fortenberry, Jeff Houston TexasGeotrace Malouf, Matt Houston TexasGeotrace McKinney, Joe Houston TexasGeotrace Pilling, Amy Richardson TexasGeotrace Sadler, Jennifer Houston TexasGeotrace Thomas, Bill Houston TexasGerrit LLC Wind, Gerrit Houston TexasGETECH Gifford, Graham Houston TexasGEV Group Paschal, Allen Fort Worth Texas


Company Registrant City State Country (if not U.S.)GEV Group Stackpole, Dowell Fort Worth TexasGEV Group, LLC Federick, Lance Fort Worth TexasGEV Group, LLC Stocker, Dub Fort Worth TexasGEV Group, LLC Wade, Glenn Fort Worth TexasGEV Group, LLC Watts, Jeff Fort Worth TexasGFI Oil and Gas Inc. Beckmann, George Montoursville PennsylvaniaGFI Oil and Gas Inc. Mussare, Anthony Montoursville PennsylvaniaGFI Oil and Gas Inc. Rankinen, Eric Montoursville PennsylvaniaGFI Oil and Gas Inc. Smith, Sarah Montoursville PennsylvaniaGibraltar Energy Company Mason, Ashley El Dorado ArkansasGibraltar Energy Company Mason, Richard El Dorado ArkansasGibraltar Energy Company Mason, Vertis El Dorado ArkansasGibraltar Energy Company Thompson, Randall El Dorado ArkansasGinger Oil Company Blixt, Hans Spring TexasGinger Oil Company Elder, Dave Spring TexasGinger Oil Company Neville, Don Spring TexasGinger Oil Company Robinson, Scott Spring TexasGlobal Energy Resources Martinsen, Susan Mandeville LouisianaGlobal Energy Resources Watson, Richard Mandeville LouisianaGlobal Exploration Consultants McDermott, Vincent J. Katy TexasGlobal Geophysical Willis, Alba Houston TexasGlobal Geophysical Services Clark, Tony Houston TexasGlobal Geophysical Services Davis, Joe Houston TexasGlobal Geophysical Services Degner, Richard Houston TexasGlobal Geophysical Services Paine, Stephen Houston TexasGlobal Geophysical Services Riley, Duncan Houston TexasGlobal Geophysical Services Inc Limbaugh, Kelly Houston TexasGlobal Geophysical Services, Inc Haig, Eric Houston TexasGlobal Geophysical Services, Inc Hill, Sarah Houston TexasGlobal Geophysical Services, Inc Litchenberg, Jack Houston TexasGlobal Geophysical Services, Inc Perot, Chris Houston TexasGlobal Recruiters Network Oakley, Jim Haddonfield New JerseyGLS, L.L.C. Broussard, Gerald Lafayette LouisianaGLS, L.L.C. Limouze, Frank Lafayette LouisianaGLS, L.L.C. Mackenroth, D. Irwin Lafayette LouisianaGLS, L.L.C. Maraist, Mike Lafayette LouisianaGLS, L.L.C. Pyle, Sammy Lafayette LouisianaGLS, L.L.C. Salmon, Gary Lafayette LouisianaGM Southeast Energy Ventures Graham, Roger Houston TexasGM Southeast Energy Ventures Marshall, Jake Houston TexasGMC Chell, Kevin Houston TexasGMC Riordan, Denis Houston TexasGold Point Energy Corp. Steinhauser, Jack Englewood ColoradoGolden Energy LLC Fadness, Duane Denver ColoradoGolden Energy LLC Schulz, Robert Denver ColoradoGolden Gate Petroleum Graves, Stephen Houston TexasGolden Gate Petroleum Ltd Barrett, Stephen Houston TexasGolden Gate Petroleum, LTD Copley, Jeff Houston TexasGoldKing Larsen, Bruce Houston TexasGoldking Energy Corp. Suddarth, Brad Houston TexasGoldking Energy Corporation Sevier, Gilbert New Orleans LouisianaGoldking Energy Corporation Tallerine, Leonard Houston TexasGoldking Energy Corporation Venturatos, Steve Houston TexasGoldking Energy/Energy Royalties Leary, Prieur Houston TexasGoldman Sachs Clemans, Mark Houston Texas


Company Registrant City State Country (if not U.S.)Good Day Energy, Inc. Buongiorno, Ben Houston TexasGoodrich Petroleum Company Burnham, Tim Shreveport LouisianaGooodrich Exploration, LLC Anderson III, Douglas Houston TexasGordon Arata Randazzo, Matthew Lafayette LouisianaGordon Arata McCollam Nicholson, Cynthia New Orleans LouisianaGordon Arata McCollam Duplantis & Eagan Bailey, William Lafayette LouisianaGordon Arata McCollam Duplantis & Eagan Giglio, III, Joseph C. Lafayette LouisianaGordon Arata McCollam Duplantis & Eagan Hebert, Aimee New Orleans LouisianaGordon Arata McCollam Duplantis & Eagan Jordan, Jr., R. Thomas Lafayette LouisianaGordon Arata McCollam Duplantis & Eagan Mouledoux, Sara E. New Orleans LouisianaGordon Arata McCollam Duplantis & Eagan O'Connor, Scott New Orleans LouisianaGordon, Arata, McCollam et al Hayne, Peck New Orleans LouisianaGrand Energy, Inc. LaFleur, William Addison TexasGrand Energy, Inc. Stanislav, Vincent Addison TexasGrand Gulf Energy Trimble, Jim Houston TexasGraves & Co Chiovitti, Kimberly Houston TexasGraves & Co. Darnell, Grant Houston TexasGravity Map Service Neese, Robert Richmond TexasGraymar Land Services Harrison, Kevin Austin TexasGreat Plains Exploration, LLC Steele, Erin Mentor OhioGreat Southwestern Land Boney, Michael Etoile TexasGreat Southwestern Land Evans, Michael Etoile TexasGreat Western Drilling Donnell, David Midland TexasGreat Western Drilling Muire, Carter Midland TexasGreat Western Drilling Co. Creech, Wendell Midland TexasGreat Western Drilling Co. Richards, Russell Midland TexasGreat Western Drilling Company Brady, Bruce Midland TexasGreen Energy Resources Green, Willard Midland TexasGreenhill Capital Partners Pottow, V Frank New York New YorkGreenhill Capital Partners Ravnaas, R. Davis New York New YorkGreensburg Oil, LLC Cate, Thomas Campbellsville KentuckyGreensburg Oil, LLC Hess, Scott Campbellsville KentuckyGreensburg Oil, LLC Tiller, Ron Campbellsville KentuckyGrenadier Energy Partners, LLC Moretti, George Woodlands TexasGreystone Oil & Gas LLP Black, Mike Houston TexasGreystone Oil & Gas LLP Clark, Ruble Houston TexasGreystone Oil & Gas LLP Drews, Carl Houston TexasGreystone Oil & Gas LLP Geffert, Michael A. Houston TexasGreystone Oil & Gas LLP Parks, Tim Houston TexasGreystone Oil & Gas LLP Shourd, Michael Houston TexasGRI Group LLC Rogers, Gary Cushing TexasGRI Group, LLC Rogers, James Cushing TexasGriffin Energy Co. Griffin, Patrick Nacodoches TexasGriffis & Associates, LLC Griffis, Richard Houston TexasGriffis & Associates, LLC Small, Joseph Houston TexasGriffis and Associates, LLC Newman, David Houston TexasGRN of Houston Greenbaum, Cliff Houston TexasGrowth Capital Partners Flinn, Sean Houston TexasGrowth Capital Partners Shackouls, Andy Houston TexasGruebel Enterprises, LLC Gruebel, Ralph Nacogdoches Texas


Company Registrant City State Country (if not U.S.)

Gruy Petroleum Management Co., LLC Evans, Gary C Grapevine Texas

Gruy Petroleum Management Co., LLC Lee, H.C. Grapevine TexasGSI Felty, Dave Houston TexasGSI Langla, Jules Spring TexasGT Gas Company Gourley, Robert New Bethlehem PennsylvaniaGT International, Inc. McClure, Hal Tulsa OklahomaGuardian Exploration, LLC Schoen, Daniel Ingram TexasGuardian Exploration, LLC Simpson, Hartford Ingram TexasGulf Coast Mineral LLC Billingsley, Gary Foley AlabamaGulf Coast Mineral LLC Billingsley, Patricia Foley AlabamaGulf Coast Prospectors Inc. Burr, Brian Houston TexasGulf Coast Prospectors Inc. Troxel, Jim Houston TexasGulf Coast Prospectors Inc. Troxel, Nancy Houston TexasGulf Coast Prospectors Inc. Wilson, Lindsay Houston TexasGulf Coast Western Cagle, Reed Dallas TexasGulf Coast Western Fleeger, Matthew Dallas TexasGulf Coast Western Haigood, Gaylon Dallas TexasGulf Coast Western Weisbrich, Gunther Dallas TexasGulf Coast/Mid West Energy Burke, Lori Houston TexasGulf Coast/Mid West Energy Dimas, Ryan Houston TexasGulf Coast/Mid West Energy Pusinelli, Greg Houston TexasGulf Coast/Mid West Energy Robinson, Michael Houston TexasGulf Coast/Mid West Energy Schweigel, Brian Houston TexasGulf Energy Puff, Bob Austin TexasGulf Energy Exploration Luckinbill, Don Carrollton TexasGulf Energy Exploration Palmquist, William Austin TexasGulf Energy Exploration Corp. Allen, Jerry Austin TexasGulf Energy Exploration Corp. Brewster, Charles Austin TexasGulf Energy Exploration Corp. Harris, Ron Austin TexasGulf Energy Exploration Corp. Hutchison, Steve Houston TexasGulf Energy Exploration Corp. Lewis, Sharon Austin TexasGulf Energy Exploration Corp. McCuistion, James Austin TexasGulf Energy Exploration Corp. Preston, Charles Austin TexasGulf Energy Exploration Corp. Rhea, IV, J. W. Austin TexasGulf Energy Exploration Corp. Thompson, George Austin TexasGulf Exploration, L.L.C. Garrett, Billy Oklahoma City OklahomaGulf Exploration, L.L.C. Garrett, Pat Oklahoma City OklahomaGulf Exploration, L.L.C. Salomone, Al Oklahoma City OklahomaGulf South Operators, Inc. Bories, Robert New Orleans LouisianaGulf South Operators, Inc. Mettz, David New Orleans LouisianaGulf South Operators, Inc. O' Donnell, Terrence New Orleans LouisianaGulf South Operators, Inc. Pinney, Reese New Orleans LouisianaGulf Standard Minerals Block, Tom Birmingham AlabamaGulf Western Petroleum Altum, Tim Houston TexasGulfport Energy Corp Baldwin, Steve Oklahoma City OklahomaGulfport Energy Corporation Thomas, Jay Oklahoma City OklahomaGulfTex Energy LLC Jauer, Brad San Antonio TexasGulfTex Energy LLC Marshall, Richard San Antonio TexasGulfTex Energy LLC Taylor, Van SAN ANTONIO TexasGulftex Energy, LLC Jauer, Brad San Antonio TexasGulftex Energy, LLC Marshall, Richard San Antonio TexasGulftex Energy, LLC Smith, Clay San Antonio TexasGulftex Energy, LLC Taylor, Van San Antonio Texas


Company Registrant City State Country (if not U.S.)Gustavson Associates, LLC Tomanek, Jan Boulder ColoradoGX Technology Schillmoller, Paul Houston TexasGX Technology West, Pamela Houston TexasH3LLC Hughes, Kristopher Milton West VirginiaH3LLC Justice, Deanna Milton West VirginiaHalcyon Exploration Company LLC Bennett, Richard Denver ColoradoHalff Energy Fletcher, Mark Dallas TexasHalliburton Broome, Lee-Ann Katy TexasHalliburton Cobb, Galen Houston TexasHalliburton Everts, Michael Houston TexasHalliburton Fernandez, Robin Houston TexasHalliburton Fulkerson, Charles Houston TexasHalliburton Guthrie, Paul Houston TexasHalliburton Hewitt, Morris Houston TexasHalliburton Knapo, George Houston TexasHalliburton Linton, Tina Houston TexasHalliburton Marvin, Roy Houston TexasHalliburton Miller, Mark Houston TexasHalliburton Phillips, Tessy Houston TexasHalliburton Probert, Tim Houston TexasHalliburton Rodriguez, Camilo Houston TexasHalliburton Schilling, Laura Houston TexasHalliburton Taylor, Lee Houston TexasHalliburton Tyte, David Houston TexasHallwood Petroleum LLC Abney, Patty Dallas TexasHamilton Engineering Inc. Thorp, Claude Houston TexasHamman Oil & Refining Co. Hamman, Russell Houston TexasHankey Oil Company Gay, Anna Houston TexasHankey Oil Company Hankey, John Houston TexasHankey Oil Company Warren, Meghan Houston TexasHanley Petroleum Inc. Bracken, Brett Midland TexasHanna Oil and Gas Robbins, Ronald Fort Smith ArkansasHanson Operating Boese, Matt Roswell New MexicoHanson Production Company Jochetz, George Houston TexasHard Rock Investments Beathard, David Bellaire TexasHarding Company Burnaman, Mike Dallas TexasHarding Company Frantz, Chris Dallas TexasHarding Company Harding, Rick Dallas TexasHarding Company Moses, Steve Dallas TexasHarding Company Petropoulos, John Dallas TexasHarding Company Polkinhorn, Cretia Dallas TexasHarding Company Smith, Steve Dallas TexasHarding Company Votaw, Glenda Dallas TexasHarding Company Ward, Edward Dallas TexasHarold J. Anderson, Inc. Anderson, Harold J. Mandeville LouisianaHarold J. Anderson, Inc. Anderson, JoAnn Mandeville LouisianaHarold J. Anderson, Inc. Clark, Denise Mandeville LouisianaHarold J. Anderson, Inc. Riedl, Greg Mandeville LouisianaHarrigan Energy Partners Harrigan, Thomas Houston TexasHarrison Energy Callon, Lindsay Natchez MississippiHarrison Interests Harrison, William Houston TexasHarrison Investment Co. Harrison, Robert Lindsay OklahomaHart Energy Publishing Kreitz, Marisa Houston TexasHart Energy Publishing, LP Duffy, Mitch Houston TexasHart Energy Publishing, LP Sullivan, John Houston Texas


Company Registrant City State Country (if not U.S.)Hart Petroleum Services, INC Hart, Rodney Corpus Christi TexasHarvest Natural Resources, Inc. Oenbring, Patrick Houston TexasHarvest Natural Resources, Inc. Porter, Gil Houston TexasHarvest Oil & Gas LLC Salsbury, Barry Covington LouisianaHarvest Operating LLC Albrecht, Brian Metairie LouisianaHarwood Capital Incorporated Carroll, Doug Walnut Creek CaliforniaHarwood Capital Incorporated Carroll, Johnny Walnut Creek CaliforniaHarwood Capital Incorporated Hild, Fred Walnut Creek CaliforniaHarwood Capital Incorporated Hild, Michael Walnut Creek CaliforniaHarwood Capital Incorporated Matthews, Charlie Walnut Creek CaliforniaHarwood Capital Incorporated Robinson, John Walnut Creek CaliforniaHarwood Capital Incorporated Swaney, Thomas Walnut Creek CaliforniaHave Energy, Inc. Hudson, Gary Dallas TexasHawkeye Stratigraphic, Inc. Barnes, Benjamin Houston TexasHawkeye Stratigraphic, Inc. Covey, Steven Houston TexasHawkeye Stratigraphic, Inc. Gregory, Mike Houston TexasHawkeye Stratigraphic, Inc. Suter, David Plano TexasHawthorne Resources, LLC Jones, John D. Oklahoma City OklahomaHayden Energy Inc. Hayden, Kevin Owensboro KentuckyHaynes & Boone Mathews, Mark Houston TexasHaynesville Land Management Danos, Michael Dallas TexasHaynesville Land Management McKnight, Justin Dallas TexasHaynesville Land Management Small, James Dallas TexasHaynesville Land Management Wilkerson, Kris Dallas TexasHaynesville Major Tanner, Perry Livingston TexasHaynesville Major Wiggins, Douglas Livingston TexasHeadington Oil Company LLC Brewer, Daniel Dallas TexasHeadington Oil Company LLC McKay, Gary Dallas TexasHeadington Oil Company LLC Smith, Drew Dallas TexasHeadington Oil Company, LLC. Ehrets, James Boulder ColoradoHeart Land Drilling, Inc. Schumacher, Bill Abilene TexasHemos, Ltd. Ramos, Yvonne Bellaire TexasHemus, Ltd. Hemus, Solly Bellaire TexasHemus, Ltd. Hudgins, Hal Bellaire TexasHerradura Petroleum Pizzitola, Frank Houston TexasHerradura Petroleum Partners, LLC Lassiter, Allen Corpus Christi TexasHerradura Petroleum Partners, LLC Osborn, Jeff Corpus Christi TexasHerradura Petroleum Partners, LLC Thalman, Dan Corpus Christi TexasHerradura Petroleum Partners, LLC Venable, Sara Corpus Christi TexasHess Smith, Nat Houston TexasHess Corporation Hughart, James Houston TexasHESS CORPORATION Kronman, George Houston TexasHess Corporation Lenney, Thomas Houston TexasHess Corporation Loshak, Joel Houston TexasHess Corporation Mann, Ryan Houston TexasHess Corporation Mazis, Christos Houston TexasHess Corporation Parks, Wade Houston TexasHess Corporation Smith, Leah Houston TexasHess Corporation Watts, Brad Houston TexasHewitt B Fox, Inc. Fox, D Stan Corpus Christi TexasHewitt Energy Group, LLC Burton, Jeremiah Salt Lake City UtahHewitt Energy Group, LLC Cederstrom, Michael Salt Lake City UtahHewitt Energy Group, LLC Hewitt Jr., Douglas Salt Lake City UtahHewitt Energy Group, LLC Hewitt Sr., Douglas Salt Lake City UtahHewitt Energy Group, LLC Hewitt, Paul Salt Lake City Utah


Company Registrant City State Country (if not U.S.)Hewitt Energy Group, LLC McFadden, John Salt Lake City UtahHewitt Energy Group, LLC Rogers, James Salt Lake City UtahHewitt Mineral Corporation Allen, Robert Ardmore OklahomaHewitt Mineral Corporation Blodgett, Robert Ardmore OklahomaHewitt Mineral Corporation Dolman, Stephen Ardmore OklahomaHewitt Mineral Corporation Dolman, William Ardmore OklahomaHeyco Energy Group, Inc. Underwood, John Dallas TexasHigh Plains Cunningham, Andy Grapevine TexasHighland Oil & Gas Black, Kenneth N. Tulsa OklahomaHighland Oil & Gas, LLC Murray, Matt Houston TexasHighland Oil & Gas, LLC Oxley, Mike Houston TexasHighmount E & P LLC. Chang, Chia C. Houston Texas

Highmount E & P LLC. VanSwearingen, Gordon W. Houston Texas

HighMount Exploration & Production LLC Schoetz, Michael Houston TexasHilcorp Energy Company Currie, Bruce Houston TexasHilcorp Energy Company Newton, George Houston TexasHilcorp Energy Company Richard, Troy Houston TexasHilcorp Energy Company Schroeter, Bill Houston TexasHilcorp Energy Company Senz, Frank Houston TexasHilcorp Energy Company Smith, Curtis Houston TexasHill Exploration Corp Hill, David Pantego TexasHill Geophysical Consulting Hill, Kevin Shreveport LouisianaHill Geophysical Consulting Hill, Mary Shreveport LouisianaHill Print Solutions LTD Taylor, Bill Dallas TexasHilliard/PetroSource Ventures Garbo, Bill Madison MississippiHilliard/PetroSource Ventures Hampf, Andy Houston TexasHilliard/PetroSource Ventures Hilliard, Gene Shreveport LouisianaHilliard/PetroSource Ventures Leblanc, Robert Lafayette LouisianaHilliard/PetroSource Ventures Lehr, Lon Houston TexasHilliard/PetroSource Ventures Reese, Gordon Covington LouisianaHilliard/PetroSource Ventures Rousset, Martha Shreveport LouisianaHilliard/PetroSource Ventures Walker, Johnny Lafayette LouisianaHiTex Drilling LP Gabrielsen, Ragnvald Houston TexasHiTex Drilling LP Stephens, Reid Ft Worth TexasHMFIC Jackson, Andrew Midland TexasHolcomb Investment Company Holcomb, James Dallas TexasHolland Acquisitions Folse, Stephen Fort Worth TexasHolland Acquisitions Schooler, Blake Fort Worth TexasHolland Acquisitions, Inc. Dietrich, George Fort Worth TexasHollimon Oil Corporation Brown, Scott San Antonio TexasHollimon Oil Corporation Hollimon, Reeves San Antonio TexasHollimon Oil Corporation Medina, Armando San Antonio TexasHollimon Oil Corporation Srozynski, Michael San Antonio TexasHollis Energy Resource Hollis, Julie Houston TexasHolloman Brady, Robert Houston TexasHollow Rock Resources Groves, Cory Plano TexasHomrich-Berg INC McColskey, John Atlanta GeorgiaHoover Oil Field Supply Co., Inc. Bartachowski, Matt Winnie TexasHoover Oil Field Supply Co., Inc. Brist, Clint TexasHoover Oil Field Supply Co., Inc. Hemb, Alex TexasHoover Oil Field Supply Co., Inc. Nelson, Robert TexasHoover Oil Field Supply Co., Inc. Perez, Ramon TexasHoover Oil Field Supply Co., Inc. Pierce, Daniel Texas


Company Registrant City State Country (if not U.S.)Hoover Oil Field Supply Co., Inc. Sannipoli, Dale TexasHoover Oil Field Supply Co., Inc. Ward, Mike TexasHopewell Partners LLC Diliberto, Juan Lafayette LouisianaHorizon Exploration Company Poth, Stephen Houston TexasHorizon Resources L.P. Rothwell, Scott Houston TexasHorizontal Solutions Bowdon, Kenneth Carrollton TexasHorizontal Solutions Gunn, George Carrollton TexasHorizontal Solutions Kalkan, Jeffrey Carrollton TexasHotel Zaza Givens, Charlie Houston TexasHotel Zaza Guyton, Ray Houston TexasHouston American Energy Corp Jacobs, James Houston TexasHouston American Energy Corp. Terwilliger, John Houston TexasHouston Association of Barton, Melinda Houston TexasHouston Association of Snyder, Diane Houston TexasHouston Association of Professional Landmen Bordieri, Elaine Houston TexasHouston Association of Professional Landmen Guevera Torres, Susana Houston TexasHouston Energy Advisors Linker, Jonathan Houston TexasHouston Energy, L.P. Alford, Sue Houston TexasHouston Energy, L.P. Amend, P. David Houston TexasHouston Energy, L.P. Boatner, Lee Houston TexasHouston Energy, L.P. Coffman, Clay Houston TexasHouston Energy, L.P. Coulthard, Dale Houston TexasHouston Energy, L.P. Culver, Steve Houston TexasHouston Energy, L.P. Dauterive, Chris Houston TexasHouston Energy, L.P. Echols, Sheila Houston TexasHouston Energy, L.P. Flores, Bill Houston TexasHouston Energy, L.P. Fontenot, Raymond Lafayette LouisianaHouston Energy, L.P. Harrison, III, Frank W. Houston TexasHouston Energy, L.P. Hart, James Houston TexasHouston Energy, L.P. Hester, Matt Houston TexasHouston Energy, L.P. Lanier, Gary Houston TexasHouston Energy, L.P. Lunn, Doug Houston TexasHouston Energy, L.P. McGehee, Jarrod Houston TexasHouston Energy, L.P. McGregor, Jay Houston TexasHouston Energy, L.P. McNair, Alex Houston TexasHouston Energy, L.P. Neal, Ronald E. Houston TexasHouston Energy, L.P. Odom, Debra Houston TexasHouston Energy, L.P. Pease, Rod Houston TexasHouston Energy, L.P. Redfield, John Houston TexasHouston Energy, L.P. Sanford, W. Casey Houston TexasHouston Energy, L.P. Ueckert, John Houston TexasHouston Energy, L.P. Wilhite, Allen Houston TexasHouston Energy, L.P. York, Mark Houston TexasHouston Energy, L.P. Zinni, Ed Houston TexasHouston Geological Society Becnel, Jim Houston TexasHouston Geological Society Carter, Paul Houston TexasHouston Geological Society McKinney, Mac Houston TexasHouston Geological Society Smith, Marvin Houston TexasHouston GIS Foster, Victor Scott Houston TexasHoward Energy Co., Inc. Blanche, Greg Traverse City MichiganHoward Energy Co., Inc. Marshall, Linda Traverse City MichiganHoward Energy Co., Inc. McGrath, Michael Traverse City MichiganHoward energy Co., Inc. Palmer, W. Mike Traverse City Michigan


Company Registrant City State Country (if not U.S.)Howard Energy Co., Inc. Steen, Kevin Traverse City MichiganHoward Exploration, Inc. Howard, Alan Houston TexasHoward Exploration, Inc. Howard, Douglas Houston TexasHoward W. Kiatta, INC. Kiatta, Howard Houston TexasHoward Weil Incorporated LeCorgne, Matthew New Orleans LouisianaHT Interests Taber, Edward Houston TexasHuber Energy Frew, Jim Houston TexasHuber Energy Knight, Michael Houston TexasHuber Energy Winkler, Marcus Houston TexasHuber Energy Wise, Celine Houston TexasHughes Ventures Ferguson, Doug Midland TexasHughes Ventures Heck, Bill Midland TexasHughes Ventures Hughes, Bradford Addison TexasHughes Ventures Hughes, Kingdon Addison TexasHungarian Horizon Energy Marton, Bela Littleton HungaryHungarian Horizon Energy Rutty, Patrick Denver ColoradoHunt Consolidated, Inc. Swearingen, Shane Dallas TexasHunt Oil Company Bailey, Ken Dallas TexasHunt Oil Company Davies, Mike Dallas TexasHunt Oil Company Guzick, Larry Dallas TexasHunt Oil Company Harris, James Dallas TexasHunt Oil Company Herod, Jake Dallas TexasHunt Oil Company Phillips, Bill Dallas TexasHunt Oil Company Rex, Bill Dallas TexasHunt Oil Company Sogard, Pete Dallas TexasHunt Oil Company Wallace, Mike Dallas TexasHunt Oil Company Wolin, Roy Dallas TexasHunt Petroleum Doss, Eric Houston TexasHunt Petroleum Gannon, Tamara Houston TexasHunt Petroleum Johnson, Ronnie Houston TexasHunt Petroleum Kolvoord, John Houston TexasHunt Petroleum Corporation Carwile, Keith Houston TexasHunt Petroleum Corporation Casey, Joe Houston TexasHunt Petroleum Corporation Claeys, Chris Houston TexasHunt Petroleum Corporation Curtin, Charlie Houston TexasHunt Petroleum Corporation Dullye, Bryan Dallas TexasHunt Petroleum Corporation Greene, Jeremy Houston TexasHunt Petroleum Corporation Jostes, John Houston TexasHunt Petroleum Corporation Lacher, Kimberly Dallas TexasHunt Petroleum Corporation Miller, Larry Houston TexasHunt Petroleum Corporation Norman, Jon Houston TexasHunt Petroleum Corporation Podrebarac, Tom Houston TexasHunt Petroleum Corporation Zmerzlikar, Keith Houston TexasHunter Energy, LLC Dunn, J. Andrew Centennial ColoradoHunter Energy, LLC Hoffman, Monty Centennial ColoradoHurd Enterprises, Ltd. Balling, Harry San Antonio TexasHurd Enterprises, Ltd. Garcia, Eugene San Antonio TexasHurd Enterprises, Ltd. Hagy, John San Antonio TexasHurd Enterprises, Ltd. Houston, Patricia San Antonio TexasHurd Enterprises, Ltd. Preston, John Houston TexasHutchison Oil & Gas Corp Bailey, John Dallas TexasHutchison Oil & Gas Corp Hutchison, Charles Dallas TexasHutchison Oil & Gas Corp Mc Cain, Jerry Dallas TexasHutchison Oil & Gas Corp Ogden, Jerry Dallas TexasHydrocarbon Data Systems, Inc. Manley, Bill Houston Texas


Company Registrant City State Country (if not U.S.)Hydrocarbon Data Systems, Inc. Manley, Mark Houston TexasHydrocarbon Data Systems, Inc. Manley, RC Houston TexasHydrocarbon Data Systems, Inc. Marshman, Alex Houston TexasHyperion Resources Inc Hopson, David Dallas Texas

I H S Hempel-Medina, Deborah Dallas TexasIcarus Oil & Gas, Inc. Rava, Barry Houston TexasICF International Maher, George Houston TexasIcon Petroleum Small, Jamie Midland TexasIcon Petroleum, Inc. Klubal, Jiri Midland TexasIDM Equipment Ltd. Ronquillo, Melissa Houston TexasIHS Armstrong, Nelson Houston TexasIHS Autenreith, Lisa Houston TexasIHS Beaumont, Francesca Houston TexasIHS Berman, Emily Houston TexasIHS Brown, Stacy Houston TexasIHS Bruce, Jenny Englewood ColoradoIHS Carter, Alex Calgary Alberta CanadaIHS Culligan, Kelly Houston TexasIHS Daal, Julieta Houston TexasIHS Davis, Rick Houston TexasIHS Duncan, Nick Houston TexasIHS Dunham, Lezlee Englewood ColoradoIHS Earl, Dennis Houston TexasIHS Eckhardt, Marc Houston TexasIHS Fryklund, Bob Houston TexasIHS Gallagher, Shawn Houston TexasIHS Gremmel, Deane S. Houston TexasIHS Harris, Danielle Tulsa OklahomaIHS Hendrix, Jacque Houston TexasIHS Ina, Keith Houston TexasIHS Ingeberg, Jan Houston TexasIHS Jones, Paul Houston TexasIHS King, Rusty Houston TexasIHS Kirk, Kerry Houston TexasIHS Kizer, Raymond Houston TexasIHS Laughrun, Autumn Houston TexasIHS Macfarlane, Beth HoustonH TexasIHS Manning, Melissa Houston TexasIHS Maxwell, Geri Tulsa OklahomaIHS McKenzie, Steve Houston TexasIHS Munoz, Melissa Houston TexasIHS Peters, Owen Calgary Alberta CanadaIHS Reimers, David Houston TexasIHS Smart, Vic Houston TexasIHS Sorrells, Littie Houston TexasIHS Stark, Philip Englewood ColoradoIHS Toten, Kim Houston TexasIHS Trammel, Steve Englewood ColoradoIHS Tribble, Mike Houston TexasIHS Ward, Kay Houston TexasIHS Watts, Gregg Houston TexasIHS Willis, Greg Houston TexasIHS, Inc. Wallace, David Houston TexasIkon Science Peloso, Andrew Houston Texas


Company Registrant City State Country (if not U.S.)iLandman.com Hines, Richard Lafayette LouisianaiLandman.com Supple, Timothy Lafayette LouisianaiLandman.com Waihi, Duane Lafayette LouisianaImagecraft Exhibits Adams, Arni Grapevine TexasImagery Exploration, Inc Loyd, Mark Tyler TexasImpact Exploration Hinton, Ross Fredericksburg TexasImperial American Oil Corp. Callaway, Cynthia Wichita KansasImperial American Oil Corp. Porter, Bobbie Wichita KansasImperial American Oil Corp. Porter, Hal Wichita KansasImperial American Oil Corp. Rundle, Becky Wichita KansasImperial American Oil Corp. Rundle, Kirk Wichita KansasImperial American Oil Corp. Swann, Robert Wichita KansasIncremental Petroleum Doyle, Jim Istanbul TurkeyIncremental Petroleum Jay, Jere Istanbul TurkeyIncremental Petroleum McGann, Gerard Istanbul TurkeyIncremental Petroleum McGann, Gerry ISTANBUL TurkeyIncremental Petroleum Mueller, Heiko Istanbul TurkeyIndenpendent Cable, Joseph Corpus Christi TexasIndependent Archinal, Bruce Woodlands TexasIndependent Ayres, George Houston TexasIndependent Bonds, Mike Humble TexasIndependent Brannon, Gary Spring TexasIndependent Cox, J.B. Columbus TexasIndependent Davis, Joseph S. Houston TexasIndependent Dickson, Chester White Oak TexasIndependent Donegan, Ben Albuquerque New MexicoIndependent Fractor, Nancy Houston TexasIndependent Howles, Arlin Sugar Land TexasIndependent Hubbard, Craig Midland Texasindependent Hughes, James Austin TexasIndependent Hull, John Daphne AlabamaIndependent Jobe, Craig TROUP TexasIndependent Kiker, William Dallas TexasIndependent Killion, B. Kole Fort Worth TexasIndependent Kim, Stephan New York New YorkIndependent Manning, Walter Alberta CanadaIndependent McKinney, Charles Krum TexasIndependent Melton, Derrel Plano TexasIndependent Moore, Richard Houston TexasIndependent Prentice, Irving New Orleans LouisianaIndependent Ptasynski, Harry Casper WyomingIndependent Pursley, JR Rancho Cordova CaliforniaIndependent Rutherford, Bradley Hawkins TexasIndependent Salinas, Roger Houston TexasIndependent Sattler, Todd Houston TexasIndependent Schaefer, Bernie Dallas TexasIndependent Scheh, Donald Sealy TexasIndependent Smith, John Conroe TexasIndependent Springer, Robert Graham TexasIndependent Starr, James The Woodlands TexasIndependent Thompson, Steve Utopia TexasIndependent Timmer, Robert Trinidad TexasIndependent Trenchard, Steve Kingwood TexasIndependent Turner, Lynn Katy TexasIndependent Wells, Gerry Houston Texas


Company Registrant City State Country (if not U.S.)Independent Young, Craig Abilene TexasIndependent Zivney, Derek Bryan TexasIndependent Geologist Pitzer, Carroll Corpus Christi TexasIndependent Landman Drury, Donald Bowie TexasIndependent Landman Kidwell, Danny Midland TexasIndependent Landman Woods, David Evansville IndianaIndependent Petroleum Association of America Bradley, Brendan Washington

District of Columbia

Independent Petroleum Association of America Daigle, Nicole Washington


Independent Petroleum Association of America Golleher, Brent Washington


Independent Petroleum Association of America Hawkins, Caroline Houston TexasIndependent Petroleum Association of America Kleemeier, H.G. Tulsa OklahomaIndependent Petroleum Association of America McCafferty, Therese Washington


Independent Petroleum Association of America Noyes, Joel Washington


Independent Petroleum Association of America Russell, Barry Washington


Independent Petroleum Association of America Vincent, Bruce Houston TexasIndependent/Consultant Brown, Johnnie Midland TexasIndex Oil & Gas Bain, Ronald Houston TexasIndian Exploration Hull, Jr., John NORMAN OklahomaIndigo Rome, Bradley Houston TexasIndigo Minerals Glassell, Elizabeth Houston TexasIndigo Minerals LLC McGehee, Mary Lou Houston TexasIndigo Minerals LLC Company Dellamea, Marc Houston TexasIndigo Minerals, LLC Bakun, Fred Houston TexasIndigo Minerals, LLC Bayless, Becky Houston TexasIndigo Minerals, LLC Hearne, James Houston TexasIndigo Minerals, LLC Jordan, Keith Houston TexasIndigo Minerals, LLC Wells, John Houston TexasIndigo Minerals, LLC Whitten, Chris Houston TexasINEXS Collins, Doug Houston TexasINEXS Davis, Craig Houston TexasINEXS Fullen, Michelle Houston TexasINEXS Haire, Ed Houston TexasINEXS Kamrath, Laura Houston TexasINEXS Knox, Barbara Houston TexasInexs Ostrander, Robert Houston TexasINEXS Sepulveda, Hector Houston TexasINEXS Stanislav, Terry Houston TexasInfinity Energy Capital, LLC Cox, Rob Houston TexasInfinity Energy Capital, LLC Watson, Chuck Houston TexasInflection Energy Hampton, George Denver ColoradoInflection Energy Zimmerman, Scott Denver ColoradoInfopipe Information Services, Inc. Connelly, Darrell Littleton ColoradoIngrain, Inc. McGuire, Bob Houston TexasInitial Energy Margolis, Peter San Antonio TexasInitial Energy Services Wood, Mike Mansfield TexasInland Royalty Company Garner, Mike Kingwood TexasInland Royalty Company James, Tony Sulphur Springs Texas


Company Registrant City State Country (if not U.S.)Inland Royalty Company Lovett, Frank Alvord TexasInland Royalty Company Massey, Jeff Sulphur Springs TexasINNEX Energy Doyle, Jim Plano TexasINNEX Energy Jay, Jere Plano TexasINNEX Energy Mueller, Heiko Plano TexasInnovative-GIS Fox, Tony Houston TexasInnovative-GIS Guevara, Gabriel Houston TexasInnovative-GIS Ledford, Megan Houston TexasInnovative-GIS Studer, Chris Houston TexasInnovo Resources Group Hallonquist, Paul Richardson TexasIntegral de Servicios Tecnicos Uribe, Luis Hollywood FloridaIntegrity Power & Energy Noel, RC Sugar Land TexasIntegrys Energy Services Brown, B. T. Houston,Texas TexasInter-American Corporation Bledsoe, Bill Dallas TexasInter-American Corporation Cowan, Corbin Dallas TexasInter-American Corporation Mattlage, Greg Dallas TexasInter-American Corporation Nail, Carl Dallas TexasInter-American Corporation Sears, Bo Dallas TexasInter-American Corporation Sears, Wheeler Dallas TexasInternational Data Solutions Short, Ken Bartlesville OklahomaInternational Energy Network Ashford, Tab Plano TexasInternational Energy Network MacLean, Rod Richardson TexasInternational Mining Company, LLC Dickerson, Kevin Frisco TexasInternational Paper Banerjee, Mohit Houston TexasInternational Petroleum, LLC Frantzen, Dan Salt Lake City UtahInternational Petroleum, LLC Tippens, G.R. Salt Lake City UtahInternational Petroleum, LLC Wixom, Brad Salt Lake City UtahInternational Petroleum, LLC Wixom, Bryon Salt Lake City UtahInternational Petroleum, LLC Wixom, Dan Salt Lake City UtahInternational Petroleum, LLC Wixom, Nathan Salt Lake City UtahION Geophysical Balla, Allen Houston TexasION Geophysical McGrail, Adrian Houston TexasION Geophysical Stokes, Gayla Houston TexasION Geophysical Corporation Moore, Dwight Spring TexasIRG Grizzaffi, Chris Richardson TexasIrish Oil & Gas Furlong, Tim Salt Lake City UtahIron Horse Whittington, Rowdy Dallas TexasIronman Capital Management, LLC Dutt, G. Houston TexasIronRock Energy Associates Siebrecht, Eric CHAPPELL HILL TexasIronRock Energy Associates Webb, Kirk Chappell Hill TexasIrvine Energy Close, Aaron Houston TexasIrvine Energy PLC Frayne, Michael EnglandIrvine Energy, PLC Bingle, Chuck Houston TexasiSafe Corey, Regina Houston TexasIsland Drilling, LLC Schneider, Louis Houston TexasJ & S Oil & Gas, LLC Montgomery, Ronnie Houston Texas

J Bar Cane, Inc. Richardson, John Michael Stanley New MexicoJ&S Oil & Gas, LLC Broussard, Julie Houston TexasJ&S Oil & Gas, LLC Lee, Gary Houston TexasJ&S Oil & Gas, LLC Willig, David Houston TexasJ. Allen Aday & Co. Aday, J. Allen Houston TexasJ. Harris Ledoux Roseberry, Bo West Monroe LouisianaJ. Harris Ledoux Inc. Ledoux, J. Harris West Monroe LouisianaJ. M. Blair, Inc. Blair, John Denver Colorado


Company Registrant City State Country (if not U.S.)J. Mark Smith & Associates Smith, J. Mark Beaumont TexasJ. Orban & Co. LLC Orban, John Oklahoma City OklahomaJ.M. Funk & Associates, Inc. Funk, James M Sewickly PennsylvaniaJ.M. Huber Corporation Dalton, Everett Houston TexasJ-3 Energy Staiano, John Englewood ColoradoJackal Oil Company Shinn, George Fort Worth TexasJaco Production Co Woodall, Richard Bakersfield CaliforniaJAMEX, Inc. Burke, Frank Lewisville TexasJaurigue Land Services, LLC Jaurigue, Sabrina Wimberley TexasJC Data Solutions Adams, Katie Carrollton TexasJC Landservices, Inc. Callahan, Jennifer Fort Worth TexasJEBCO Holdings Dammer, Robert Houston TexasJEBCO Holdings Stringer III, Dewey A. Houston TexasJEBCO Holdings Turner, D Wayne Houston TexasJEBCO Holdings Wheeler, Wayne Houston TexasJefferies Chandra, Subash New York New YorkJefferies Capital Partners Hutchinson, George Houston TexasJefferies Randall & Dewey Bracken, Frank Houston TexasJefferies Randall & Dewey Gladbach, Joseph Houston TexasJefferies Randall & Dewey Lucke, J. David Houston TexasJeffries Perincheril, Biju New York New YorkJenkins Exploration, LLC Jenkins, Jeffrey Hollidaysburg PennsylvaniaJesmar Energy Inc. Broadwater, Jeff Holbrook PennsylvaniaJesmar Energy Inc. Leidecker, Jessie Holbrook PennsylvaniaJesmar Energy Inc. Leidecker, Mark Holbrook PennsylvaniaJesmar Energy Inc. Stout, Jim Holbrook PennsylvaniaJeter and Associates Smith, Ted Nacogdoches TexasJetta Operating Company, Inc. Cornelius, Rick Fort Worth TexasJetta Operating Company, Inc. McKee, Mike Fort Worth TexasJetta Operating Company, Inc. Roberts, Gordon Fort Worth TexasJetta Operating Company, Inc. Wynn, Joe Fort Worth TexasJewell Energy Partners, LLC Eubanks, Weldon Pasadena TexasJim Burgin & Associates Burgin, Brent Fulshear TexasJim Burgin & Associates, Inc Maybin, James Fulshear TexasJKX Oil & Gas Cross, Ian Houston TexasJKX Oil & Gas Wayland, Ritchie London United KingdomJoe McGuffin, Jr. McGuffin, Lucy Sonora TexasJohn D. Oil & Gas Company Osborne, Gregory J. Mentor OhioJohn D. Oil & Gas Marketing Molnar, Leslie Willoughby OhioJohn E. Bernard Oil & Gas, LLC Bernard, John Albany TexasJohn L Wortham Bangs, Genevieve Dallas TexasJohn L. Wortham Bangs, Alfred Dallas TexasJohn L. Wortham & Son Zarr, David Houston TexasJones Energy Hawthorne, Hal Austin TexasJones Energy, Ltd. McConnell, Mike Austin TexasJordan Knauff & Company Knauff, Thomas Chicago IllinoisJOS Energy Corp. Smith, John O. Houston TexasJPMorgan Nierenberg, Mark Denver ColoradoJSH & Associates Harrison, James Tyler TexasJTH Resources, LLC Hollis, James Garland TexasJudd & Vural, P.L.L.C. Judd, Troy Godley TexasJulander Energy Company Julander, Fred Denver ColoradoJulander Energy Company Ray, Randy Denver ColoradoJumpstart Energy Services, LLC Gray, John Houston TexasJuneau Exploration, L.P. Burke, John Houston Texas


Company Registrant City State Country (if not U.S.)Jupiter Energy, LLC Rose, Brian C. Louisville KentuckyJura-Search, Inc. Baria, Lawrence Flowood MississippiJura-Search, Inc. Kaufmann, Karl Flowood MississippiJura-Search, Inc. Perkins, Conner Flowood MississippiJura-Search, Inc. Perkins, Frank A. Flowood MississippiJura-Search, Inc. Phillips, Bill Flowood MississippiJura-Search, Inc. Spivey, Lloyd Flowood MississippiJurasin Oil & Gas, Inc. Gray, Robert Houston TexasJurasin Oil & Gas, Inc. Jurasin, John Houston TexasJurik Exploration Company Jurik, Paul Metairie LouisianaJ-W Operating Company Mahan, John Garland TexasK. Stewart Exploration LLC Cronin, Tom Edmond OklahomaKaiser-Francis Gulf Coast LLC Hamilton, David Houston TexasKaler Energy Corp Kaler, II, John San Antonio TexasKanal Partners Salk, Thomas Denver ColoradoKanal Partners LLC de Souza, Mario Saratoga CaliforniaKanto Natural Gas Dev. Co. Iwamoto, Hiroshi Tokyo JapanKanto Natural Gas Dev. Co. LTD Higuchi, Tomoyuki Mobara JapanKaty Resources Weir, Doug Dallas TexasKaty Resources ETX, LLC Graves, Tom Houston TexasKaty Resources ETX, LLC Hill, Bobby Houston TexasKaty Resources ETX, LLC McRuiz, March Houston TexasKaty Resources ETX, LLC Schaefer, Tom Houston TexasKaye/Bassman Brunson, Robert plano TexasKaye/Bassman Int'l Corp. Daniel, Taylor Plano TexasKayne Anderson Broach, James Houston TexasKayne Anderson Teshoian, Mark Houston TexasKayne Anderson Capital Yates, Chuck Houston TexasKayne Anderson Energy Funds Habachy, David Houston TexasKayne Anderson Energy Funds Wilkerson, Giff Houston TexasKebo Oil & Gas, Inc. Becker, David Corpus Christi TexasKebo Oil & Gas, Inc. Boester, Ken Portland TexasKebo Oil & Gas, Inc. Hoskins, Cliff Portland TexasKebo Oil & Gas, Inc. Nollkamper, Wade Kingsville TexasKeeton Hay Group Hay Sturgill, Monica Lexington KentuckyKeeton Hay Group Hay, Monte Lexington KentuckyKeeton Hay Group Keeton, Chester Lexington KentuckyKeeton Hay Group Parsons, Rick Lexington KentuckyKeeton Hay Group Pell, Robert Lexington KentuckyKelly Resources, Ltd Tallo, Len Frisco TexasKelly Resources, Ltd. Castillo, Eric Frisco TexasKelly Resources, Ltd. Davis, Trent Frisco TexasKelly Resources, Ltd. Westbrook, Ryan Frisco TexasKelman Peck, Pat Houston TexasKelman Technologies Morris, Mackie Houston TexasKelman Technologies Reid, Julie Houston TexasKelman Technologies Inc. Riley, Thomas Houston TexasKen Petroleum Corporation English, Kenneth Dallas TexasKen Petroleum Corporation Gass, Richard Dallas TexasKendrick Oil & Gas Kendrick, Phil Abilene TexasKepco Energy Randolph, Ellis Oklahoma City OklahomaKEPCO Energy, Inc. Cunningham, Stan Oklahoma City OklahomaKEPCO Energy, Inc. Phillips, Kent Oklahoma City OklahomaKEPCO Energy, Inc. Rainbolt, Chris Oklahoma City OklahomaKerns Petroleum, Inc. Bless, Larry San Antonio Texas


Company Registrant City State Country (if not U.S.)Kerns Petroleum, Inc. Johnston, Kerry San Antonio TexasKerns Petroleum, Inc. Jungbauer, Jeremy San Antonio TexasKern's Petroleum, Inc. Wallen, Ceci San Antonio TexasKerogen Resources, Inc Chamberlain, Sylvia Houston TexasKerogen Resources, Inc Craven, Wendy Houston TexasKerogen Resources, Inc Hamauei, John Houston TexasKerogen Resources, Inc Henderson, Donpaul Houston TexasKerogen Resources, Inc Hollis, Wynn Houston TexasKerogen Resources, Inc Leyden, Janice Houston TexasKerogen Resources, Inc Liebling, Rick Houston TexasKerogen Resources, Inc Owens, Wendell Houston TexasKestrel Merkl, Richard Houston TexasKEW Drilling Chambless, Justin Jacksonville TexasKEW Drilling Dobroski, Ed Dallas TexasKEW Drilling Francis, Kathryn Dallas TexasKEW Drilling Kulenguski, Mike Madison VirginiaKEW Drilling Miller, Greg Fort Worth TexasKEW Drilling Noonan, Carol Benbrook TexasKEW Drilling Tittl, John Fort Worth TexasKEW Drilling Tonroy, Zach Jacksonville TexasKey Ventures Inc. Key, Bryan Houston TexasKeystone Petroleum Krieg, Earl Irving TexasKH, LLC Habeck, Mark Ardmore OklahomaKHL, Inc. Lee Jr., Knute H. Albuquerque New MexicoKillam Oil Co., Ltd. Mecke, Mark San Antonio TexasKilliam Oil Co Hoin, Rick San Antonio TexasKilrush Petroleum, Inc. Reidy, John Houston TexasKimsu Oil Co. Broadbridge, David Covington LouisianaKinder Morgan Production Nunley, Paul Houston TexasKinetex Inc. Perilli, Stacey Calgary Alberta CanadaKinetex Inc. Schneider, Gil Calgary Alberta CanadaKinetex Inc. Stromkins, Vern Calgary Alberta CanadaKinetex Inc. Van Betuw, Leonard Calgary Alberta CanadaKinetic Energy Partners, LLC Haskett, Phillip League City TexasKinetic Energy Partners, LLC Leavitt, Blake League City TexasKing Minerals, LLC Robinson, Eddy Lake Charles LouisianaKing Operating Corporation Baker, Jeremy Dallas TexasKing Operating Corporation Moore, Dow Dallas TexasKing Operating Corporation Morabito, Jim Dallas TexasKing Operating Corporation Simo, Joe Dallas TexasKing Operating Corporation Young, Jay Dallas TexasKing Operating Corporation Young, Michelle Dallas TexasKing Royalty Corporation Baker, Jeremy Dallas TexasKing Royalty Corporation Simo, Joe Dallas TexasKing Royalty Corporation Williams, Derek Dallas TexasKing Royalty Corporation Young, Jay Dallas TexasKing Royalty Corporation Young, Michelle Dallas TexasKinnickinnick Exploration, Inc. Anderson, Steven Lafayette LouisianaKinnickinnick Exploration, Inc. Diehl, James Lafayette LouisianaKinnickinnick Exploration, Inc. Nearing, Timothy Lafayette LouisianaKinnickinnick Exploration, Inc. Rider, Clark Lafayette LouisianaKitty Hawk Energy LLC Ellison, Guy Lafayette LouisianaKitty Hawk Energy, LLC Bloomer, Daniel Lafayette LouisianaKitty Hawk Energy, LLC Broussard, Matthew Lafayette LouisianaKitty Hawk Energy, LLC Ellison, Gregory Lafayette Louisiana


Company Registrant City State Country (if not U.S.)KiwiEnergy, Ltd. Gregg, Mark Houston TexasKlein Equities Klein, David Spring TexasKnowledge Reservoir Archer, Robert Houston TexasKnowledge Reservoir Booker, Harrell Houston TexasKnowledge Reservoir Brown, Chad Midland TexasKnowledge Reservoir Rivera, Triny Houston TexasKnowledge Reservoir Shelton, Lee Houston TexasKnox Energy Inc Anderson, Marissa New Albany OhioKnox Energy Inc Venteris, Nicole New Albany OhioKnox Energy, Inc. Brown, Eric New Albany OhioKnox Energy, Inc. Jordan, Mark New Albany OhioKoch Exploration Co LLC Allexan, Steve Englewood ColoradoKoch Exploration Co LLC Connor, Morgan Englewood ColoradoKoch Exploration Co LLC Kissick, Brian Englewood ColoradoKoch Exploration Co LLC Roark, Clay Englewood ColoradoKoch Exploration Co LLC Wright, Robert Englewood ColoradoKodiak Oil & Gas Catlin, Jim Denver ColoradoKodiak Oil & Gas Peterson, Lynn Denver ColoradoKohler Energy Company Kohler, Bennett Dallas TexasKohler Stephens Ltd. Fulgham, Daniel Dallas TexasKohler-Stephens, Ltd. Kohler, Mark Dallas TexasKOR Resources, LLC Lazarine, Kirk Houston TexasKorea Institute of Geoscience and Minetal Resource Hwang, In-Gul Taejeon KoreaKraker & Martin Energy Allmon, Randy The Woodlands TexasKraker & Martin Energy McKosky, John The Woodlands TexasKraker & Martin Energy, LLC Kraker, Steve Spring TexasKraker & Martin Energy, LLC Roa, Carlos The Woodlands TexasKratech Energy, Inc. Krakos, Jeffrey Dallas TexasKrescent Energy Company Burkard, Chris Houston TexasKrescent Energy Company Meyerhoff, Jim Houston TexasKRITI Crawford, Alan Houston TexasKROG Partners-Bandera Inc. Doviak, Bob Dallas TexasKTA Capital, LLC Tablis, Eugene New York New YorkKurios Oil & Gas Block, Randy Lafayette LouisianaKurios Oil & Gas Freeman, JB Lafayette LouisianaKurios Oil & Gas Hinds, Shane Lafayette LouisianaL C P, L O C Looney, Ken Houston TexasLa Bay Exploration Huffman, Kenneth Metairie LouisianaLa Bay Exploration Peirce, William Metairie LouisianaLadenburg Thalmann & Co. Inc. Cowan, Steven Houston TexasLake Ronel Oil Company Bronston, Mark Tyler TexasLaminar Direct Capital Debow, Ken Houston TexasLaminar Direct Capital Griggs, John Houston TexasLaminar Direct Capital Madry, Eric Houston TexasLaminar Direct Capital Overbergen, Todd Houston TexasLand Agent Hoffman, Donald Nixon TexasLand and Natural Resource Development, Inc. Hammons, Robert Northport AlabamaLand and Natural Resource Development, Inc. Higginbotham, David Northport AlabamaLand and Natural Resource Development, Inc. Turner, Tom Northport AlabamaLand and Natural Resource Development, Inc. Wolf, Steven Northport AlabamaLand Wealth Centre Beh, Simon Singapore


Company Registrant City State Country (if not U.S.)Land Wealth Centre Tan, Eric SingaporeLandcom Services, Inc. Womble, Heather Katy TexasLANDLINE Systems, LLC Fowle, Riley Dallas TexasLANDLINE Systems, LLC Hanson, Caleb Dallas Texas

LANDLINE Systems, LLC Montgomery Putman, Sarah Dallas TexasLANDLINE Systems, LLC Wylie, Leslie Dallas TexasLANDLINE Systems, LLC Young, Anne Dallas TexasLandmark Francois, Chris Houston TexasLandmark Johnson, Casey Houston TexasLandmark Field Services Brennan, Kelli Livingston TexasLandmark Field Services Brennan, Mike Livingston TexasLandmark Field Services Fairhart, John Livingston TexasLandmark Field Services Hay, Kyle Livingston TexasLandmark Field Services McReynolds, Nan Livingston TexasLandmark Resources Inc. Wood, Jeffrey Houston TexasLandmen.net McGehee, Duncan Fort Worth TexasLandPro Corp Lansdowne, Steve Spring TexasLandPro Corp. Ballatori, Luigi Spring TexasLandsbanki Myhre, Jan Oslo NorwayLandshark Energy Resources Howard, Charlie Nacogdoches TexasLandWorks, Inc. Marcello, Sam Houston TexasLandWorks, Inc. Perry, Ed Denver ColoradoLantana Oil & Gas Partners Ayala, Julian A. Houston TexasLantana Oil & Gas Partners Blake, David L. Houston TexasLantana Oil & Gas Partners Ethridge, Mary Alice Houston TexasLantana Oil & Gas Partners Ewing, Randolph Houston TexasLantana Oil & Gas Partners Nini, David G. Houston TexasLantana Oil & Gas Partners Renfroe, Renee Houston TexasLantana Oil & Gas Partners Taurins, Andy Houston TexasLantana Oil & Gas Partners Whitmire, Greg Houston TexasLara Energy Inc. Hearn, Jr., John E. Corpus Christi TexasLaramie Energy II, LLC Wiener, Jack Denver ColoradoLaredo Petroleum, Inc Evans, Michael Tulsa OklahomaLaredo Petroleum, Inc. Foutch, Randy Tulsa OklahomaLario Oil & Gas Company Hastings, John Denver ColoradoLario Oil & Gas Company Hendricks, Mike Denver ColoradoLario Oil & Gas Company McCloud, Marcus Denver ColoradoLario Oil & Gas Company O'Shaughnessy, Mike Denver ColoradoLario Oil & Gas Company Stinson, Rick Denver ColoradoLario Oil & Gas Company Ware, Jeff Denver Colorado

Laris Oil & Gas, LLC Stafford, John Highlands Ranch ColoradoLaurent Oil & Gas Laurent, Scott Houston TexasLaw Offices of Gary Franks Franks, Gary Sugar Land TexasLaw Offices of Jack Wilhelm Wilhelm, Jack Austin TexasLawco Exploration, Inc. Lawson, James Bentonville ArkansasLayline Petroleum LLC Drumsta, Nicholas Houston TexasLayline Petroleum LLC Lewis, Chris Houston Texas

Layne Energy Allen, Margaret Shawnee Mission Kansas

Layne Energy Caulk, Jenny Shawnee Mission Kansas

Layne Energy Dyal, Victor Shawnee Mission Kansas



Layne Energy Yoakum, Rolland Shawnee Mission KansasLayton Energy Neinast, Russell Houston TexasLazard Lynd, Robert Houston TexasLeadership Circle, LLC Miles, Matt Montrose ColoradoLedgerock Energy Duncan, Ed The Woodlands TexasLEED Petroleum LeBlanc, Brad Lafayette LouisianaLefrak Energy Tarantola, James Tulsa OklahomaLefrak Organization Inc. Papert, Richard New York New YorkLegacy Reserves Jarrett, Dean Midland TexasLegacy Reserves Operating LP Brown, Cary Midland TexasLegacy Reserves Operating LP Gunter, Clay Midland TexasLegacy Reserves Operating LP Hartman, Dave Midland TexasLegacy Reserves Operating LP Holt, Russell Midland TexasLegacy Reserves Operating LP Lea, Karen Midland TexasLegacy Reserves Operating LP McGraw, Kyle Midland TexasLegacy Reserves Operating LP Pruett, Steven Midland TexasLegacy Reserves Operating LP Schantz, Fred Midland TexasLegends Exploration, LP Amoruso, John Houston TexasLegends Exploration, LP Bartell, Denny Houston TexasLegends II Bartell, Larry The Woodlands TexasLegends II Hubert, Lars The Woodlands TexasLegends II King, Clayton The Woodlands TexasLegends II Shields, Martin The Woodlands TexasLehman Brothers Livingston, David Houston TexasLehman Brothers Rogan, Scott Houston TexasLehnertz-Faulkner, Inc. Bachtell, Charles Tyler TexasLehnertz-Faulkner, Inc. Bachtell, David Longview TexasLehnertz-Faulkner, Inc. Faulkner, Bruce Tyler TexasLehnertz-Faulkner, Inc. Faulkner, Mary Lauren Tyler TexasLemle & Kelleher Smitherman, Matthew Shreveport LouisianaLemle & Kelleher, LLP Horton, Leland Shreveport LouisianaLemle & Kelleher, LLP Reeks, F. John Shreveport Louisiana

Liberty Energy Holdings O'Neill, Sean Boston Massachusetts

Liberty Energy Holdings, LLC Carson, Scott Boston MassachusettsLiberty Pioneer Energy Source Brower, David Orem UtahLiberty Pioneer Energy Source Jacobs, Warren Orem UtahLighthouse Exploration, LP Croft, Wayne Corpus Christi TexasLighthouse Exploration, LP Fisher, Rett Corpus Christi TexasLighthouse Exploration, LP Garbe, Greg Corpus Christi TexasLighthouse Exploration, LP Waters, Bo Corpus Christi TexasLighting Technologies LP Prater, David Fort Worth TexasLightning Oil Company Bagnall, David Victoria TexasLightning Oil Company Bagnall, Gary Victoria TexasLightning Oil Company Light, Walter San Antonio TexasLightning Oil Company Light-Acomb, Myssie Houston TexasLightning Oil Company Light-Saunders, Laurie San Antonio TexasLightning Oil Company Pellegrini, Tom The Woodlands TexasLightning Oil Company Vanderplug, Doug Houston TexasLinn Energy Shipley, Dale Oklahoma City OklahomaLinn Energy, LLC Belsha Jr., Thomas Houston TexasLinn Energy, LLC Ellis, Mark Houston TexasLinn Energy, LLC Linn, Michael Houston TexasLinn Energy, LLC Malone, Lakethia Houston Texas


Company Registrant City State Country (if not U.S.)Linn Energy, LLC Newstrom, Curtis Houston TexasLinn Energy, LLC Thompson, Mathew Houston TexasLinn Energy, LLC Walker, Arden Houston TexasLinn Energy, LLC Wright, Kelley Houston TexasLinn Operating, Inc. Roark, Sam Oklahoma City OklahomaLiskow & Lewis Credeur, Jacob Lafayette LouisianaLiskow & Lewis Dupuis, James Lafayette LouisianaLiskow & Lewis Polozola, Kyle Lafayette LouisianaLittle Pine Resources Hill, Austin Dallas TexasLittle Pine Resources Hill, Chase Dallas TexasLittle Pine Resources Hill, Hunter Dallas TexasLittle Pine Resources Hill, John Dallas TexasLive Oak Reserves, Inc. Noll, Charles Houston TexasLive Oak Resources Yantosca, John Houston TexasLJ Oil Hesse, James Needville TexasLlano Group Bartolowits, Brian Joshua TexasLlano Royalty Corporation Looper, Steve Amarillo TexasLLOG Exploration Fowler, Richard Covington LouisianaLLOG Exploration Simms, Jerry Metairie LouisianaLLOG Exploration Zimmermann, Eric Covington LouisianaLLOG Exploration Co., LLC Caffery, Stephen Lafayette LouisianaLLOG Exploration Company McCann, Dave Metairie LouisianaLLOG Exploration Company Pasch, Katy Houston TexasLLOG Exploration Company Pfister, David Covington LouisianaLLOG Exploration Company, Cole, Jay Covington LouisianaLLOG Exploration Company, French, Malloy Covington LouisianaLLOG Exploration Company, Guilbeau, Kevin Covington LouisianaLLOG Exploration Company, LLC Cook, Carlton Houston TexasLLOG Exploration Company, LLC Doughtie, John Houston TexasLLOG Exploration Company, LLC Gutterman, Scott Covington LouisianaLLOG Exploration Company, LLC Hester, Scott Houston TexasLLOG Exploration Company, LLC Hollins, John Houston TexasLLOG Exploration Company, LLC Letko, Joe Houston TexasLLOG Exploration Company, LLC Lindsey, Gordon Houston TexasLLOG Exploration Production Inc. Ackal, Michael Covington LouisianaLLOG Exploration, LLC Butterworth, Taylor Covington LouisianaLMP Petroleum, Inc. Cornish, Frank Corpus Christi TexasLMP Petroleum, Inc. Downing, Jason Corpus Christi TexasLMP Petroleum, Inc. Lambiotte, Louis Corpus Christi TexasLMP Petroleum, Inc. Lucente, Michael Corpus Christi TexasLMP Petroleum, Inc. Morris, Michael Corpus Christi TexasLMP Petroleum, Inc. Pedrotti, Michael Corpus Christi TexasLocations Realty Sun, Sue Humble TexasLodestone Operating Inc Reavis, David Portland TexasLone Star Land & Energy, LLC Bray, Chuck Richardson TexasLone Star Land & Energy, LLC Powers, R. Gray Richardson TexasLone Star Land & Energy, LLC Taylor, Michael Highland Village TexasLone Star Land & Energy, LLC Taylor, Michael W. Richardson TexasLone Star Land & Energy, LLC Whaling, Bill Richardson TexasLone Star Production Company Dally, David Houston TexasLone Star Production Company Dietz, Timothy Houston TexasLone Star Production Company Johnson, T. Grant Houston TexasLone Star Production Company Patterson, Blake Houston TexasLong Consulting Inwood, Robin Olean New YorkLongfellow Energy, LP Albert, Caty Oklahoma City Oklahoma


Company Registrant City State Country (if not U.S.)Longfellow Energy, LP Albert, John Edmond OklahomaLongfellow Energy, LP Albert, John Oklahoma City OklahomaLongfellow Energy, LP Dutton, Todd Edmond OklahomaLongfellow Energy, LP Dutton, Todd Oklahoma City OklahomaLongfellow Energy, LP Garrard, Pat Oklahoma City OklahomaLongfellow Energy, LP Garrard, Patrick Edmond OklahomaLongfellow Energy, LP Mitchell, Malone Oklahoma City OklahomaLongfellow Energy, LP Pait, Gene Edmond OklahomaLongfellow Exploration Company Blakemore, Bruce Houston TexasLongfellow Exploration Company Cummins, Jr., James Houston TexasLott Energy Partners Smith, David Houston TexasLou Janos and Associates Janos III, Louis Houston Texas

Louisiana Gas Development Corporation Fenner, James Shreveport Louisiana

Louisiana Gas Development Corporation Guirlando, Rocky Shreveport Louisiana

Louisiana Gas Development Corporation Huggs, Thane Shreveport Louisiana

Louisiana Gas Development Corporation Miller, Gene Shreveport Louisiana

Louisiana Gas Development Corporation Norman, Mark Shreveport Louisiana

Louisiana Gas Development Corporation Price, Mike Shreveport Louisiana

Louisiana Gas Development Corporation Woodland, Conrad Shreveport LouisianaLouisiana Minerals, LTC. Hall, Kelly Houston Texas

Louisiana Office of Mineral Resources Liles, Lisa Baton Rouge Louisiana

Louisiana Office of Mineral Resources Meloy, David Baton Rouge Louisiana

Louisiana Office of Mineral Resources Talbot, Jason Baton Rouge Louisiana

Louisiana Office of Mineral Resources Taylor, James Baton Rouge LouisianaLousiana Delta Oil Carter, Eugene Houston TexasLovingfoss Energy Consultants Lovingfoss, Donald Santa Clarita CaliforniaLuca Resources Group LLC. Yang, Bing Fremont CaliforniaLucas Petroleum Brock, Warner Austin TexasLucas Petroleum Group McKee, Robert Austin TexasLuminant Development Small, Chad Dallas TexasLuminant Development Wiggs, Brett Dallas TexasLuxor Energy Corporation Davidson, Steve Houston TexasLXH, Ltd. Landwer, Bill Spring TexasLymac, LLC Brennen, Jim Ridgeland MississippiLymac, LLC Lyons, Tim Ridgeland MississippiLymac, LLC McElroy, Bob Ridgeland MississippiLymac, LLC Taylor, Al Ridgeland MississippiLynx Information Systems, Inc. Winston, Joe Houston TexasLynx Production Co. Inc. Craine, Robert Dallas TexasLynx Production Co. Inc. Craine, William Dallas TexasLynx Production Co. Inc. Higgins, Lee Dallas TexasLynx Production Co. Inc. Payne, Vance Dallas TexasLynx Production Company, Inc. Lawrence, Larry Dallas TexasM & H Energy Services Hobbs, Carey Houston TexasM. I. Phillips Phillips, Mark Wichita Falls TexasM. R. Cox, Inc Lile, Marty San Antonio Texas


Company Registrant City State Country (if not U.S.)M.C. Donegan, LLC Donegan, Mike Bluff Dale TexasM1 Energy Capital Mgmt Bernardy, Richard Houston TexasMacquarie Bank Limited Faulk, Paul Houston TexasMacquarie Bank Limited Shatto, Steve Houston TexasMadison Capital Management Aggarwal, Roopesh Englewood Colorado

Madison Capital Management Larson, Richard Greenwood Village ColoradoMadison Energy, LLC Tufts, David Metairie LouisianaMadoff Energy Lee, Andy New York New YorkMadoff Energy LLC Imbruce, Greg New York New YorkMagna Resources Hill, Gerald Dallas TexasMagna Resources Corp. Glass, C.R. Dallas TexasMagnolia Exploration & Production Lee, Billy Houston TexasMagnum Producing, LP Ahuja, Avinash Corpus Christi TexasMagnum Producing, LP Ahuja, Rajan Corpus Christi TexasMagnum Producing, LP Ahuja, Rajan David Corpus Christi TexasMagnum Producing, LP Cohen, Ranika Ahuja Corpus Christi TexasMagnum Producing, LP Fontenot, Cliff Houston TexasMagnum Producing, LP Frye, Don Houston TexasMagnum Producing, LP Gupta, Andy Houston TexasMagnum Producing, LP Hadley, Chuck Houston TexasMagnum Producing, LP Kust, Robert Houston TexasMagnum Producing, LP Rush, Mark Houston TexasMagnum Producing, LP Shetrone, Warren Houston TexasMagnum Producing, LP Smith, Mitch Houston TexasMagnum Producing, LP Willis, Gar Houston TexasMagnus Energy Marketing Dale, Richard Plano TexasMagnus Energy Marketing Musgrove, David Corpus Christi TexasMagnus Energy Marketing, Ltd, McGaughey, Chuck Corpus Christi TexasMaguire Oil Company Flournoy, Virginia Dallas TexasMaguire Oil Company Hess, Blainey Dallas TexasMaguire Oil Company Mounts, Pamela Dallas TexasMAK-J Energy Loken, Dave Denver ColoradoMAKJ Energy Company Peay, Jim Denver ColoradoMAK-J Energy Operating Company Wilcox, Greg Denver ColoradoMalone & Bailey Lehman, John Houston TexasMalone and Bailey, PC Haight, Nelson Houston TexasManaged Petroleum Group, Inc. MacLean, Maryna Richardson TexasManaged Petroleum Group, Inc. Yukich, Nick Richardson TexasManhattan Mineral Group, LLC Freitas, Michelle Houston TexasMannon L. Walters Inc. Batt, Jonathan Evansville IndianaMannon L. Walters Inc. LaFreniere, Jon Evansville IndianaMannon L. Walters Inc. Mahaffey, Dale Evansville IndianaMannon L. Walters Inc. Prentice, Irv Evansville IndianaMannon L. Walters Inc. Walters, Mannon Evansville IndianaMannon L. Walters Inc. Yelverton, Mark Evansville IndianaManti Operating Co. Douglas, Chris Corpus Christi TexasManti Resources Murray, Steven Houston TexasMantra Land Services, LLC Trahan, Mandy Lafayette LouisianaManzano, LLC Barbe, Kenneth Roswell New MexicoMap Exploration LLC Ackman, Brian Spring TexasMap Exploration LLC McRee, David Spring TexasMap Exploration LLC Parsons, Anne Spring TexasMap Exploration LLC Parsons, Brian Spring TexasMaple Leaf Exploration LP Campbell, Stewart Dallas Texas


Company Registrant City State Country (if not U.S.)Maple Leaf Exploration LP Heldenfels, Jr., John O. Dallas TexasMaple Leaf Exploration LP Huffman, Woodie Dallas TexasMarabou Midstream Services, LP Dunnavant, David Houston TexasMaranatha Petroleum Smith, Jamie Bakersfield CaliforniaMaranatha Petroleum, Inc. Smith, Jeffrey Bakersfield CaliforniaMarathon Capital, LLC Grossman, Frank Bannockburn IllinoisMarathon Oil Fisher, Mark Cody WyomingMarathon Oil Co. Purtell, Rich Houston TexasMarathon Oil Company Bruner, Randy Houston TexasMarathon Oil Company Fowler, Kevin Houston TexasMarathon Oil Company Gillespie, Bill Houston TexasMarathon Oil Company Graham, Timothy Houston TexasMarathon Oil Company Hathon, Eric Houston TexasMarathon Oil Company Holt, Greg S. Houston TexasMarathon Oil Company Humphreys, Matthew Houston TexasMarathon Oil Company Robertson, Tim Oklahoma City OklahomaMarathon Oil Company Rutledge, Jeff Houston TexasMarco Exploration LLC Robinson, Tom Austin TexasMarine Properties Shalett, Monte New Orleans LouisianaMariner Energy Rogers, Bill Midland TexasMariner Energy, Inc. Hoose, Gary Midland TexasMaritech Resources, Inc. Anderson, Edgar Spring TexasMark J. Hughes & Associates Hughes, Adam Evansville IndianaMark L. Shidler Inc. Shidler, Mark Houston TexasMark Ross Procter, John D. Tyler TexasMark Ross Ross, Mark Tyler TexasMark Ross Taylor, Tim D. Austin TexasMark Ross Warren, Rush Flint TexasMark X Energy Thomas, Ben Houston TexasMarks Oil, Inc. Marks, Stephen Denver ColoradoMarlin Energy, LLC Casper, Trevor Lafayette LouisianaMarlin Energy, LLC Credeur, Clint Lafayette LouisianaMarlin Energy, LLC Dincau, Tony Lafayette LouisianaMarlin Energy, LLC Godwin, Keith Lafayette LouisianaMarlin Energy, LLC Leonpacher, Maria Lafayette LouisianaMarlin Energy, LLC McGrew, Andy Lafayette LouisianaMarlin Energy, LLC Minvielle, Eugene Lafayette LouisianaMarlin Energy, LLC Smith, Mike Lafayette LouisianaMarlin Energy, LLC Srendson, Lawrence Lafayette LouisianaMarlin Energy, LLC Stanonis, Greg Lafayette LouisianaMarlin Energy, LLC. Benoit, Toni Lafayette LouisianaMarlin Energy, LLC. Lipari, Mike Lafayette LouisianaMarlin Energy, LLC. O'Roark, Walter Lafayette LouisianaMarlin Midstream Coleman, Doug Houston TexasMarlin Midstream Dotson, Tim Houston TexasMarlin Midstream Gonzales-Aranda, Stella Houston TexasMarlin Midstream Hart, Reggie Houston TexasMarlin Midstream Maxwell, Keith Houston TexasMarlin Midstream LLP Bradley, Ken Houston TexasMarquette Exploration Shepherd, Trey Spring TexasMarquette Exploration Welch, David Spring TexasMarsh (Energy Practice) Cunningham, Robert Houston TexasMarsh Operating Company Crain, James Dallas TexasMarsh Operating Company Drake, Steve Dallas TexasMarsh Operating Company Ritter, Wayne Dallas Texas


Company Registrant City State Country (if not U.S.)Marshall R. Young Oil Co. Wilson, Greg Fort Worth TexasMarshall R. Young Oil Co. Young, Marshall Fort Worth TexasMartin Midstream Partners Martin, Scott Houston TexasMartineau Petroleum, Inc. Johnson, Susan Dallas TexasMartineau Petroleum, Inc. Keay, Stuart Dallas TexasMartineau Petroleum, Inc. Martineau, David Dallas TexasMason Energy Service Mason, William The Woodlands TexasMasters Energy Corp. Masters, John Castle Rock ColoradoMatador Resources Company Durham, John Dallas TexasMatador Resources Company Hubbell, Cody Dallas TexasMatador Resources Company Pekar, Nathan Dallas TexasMatador Resources Vompany Sinclair, Steven Dallas TexasMatagorda Exp., Ltd. Rucker, Neil Katy TexasMatagorda Production Co. Ferguson Jr, Hershal Houston TexasMatrix Oil Corporation Jordan, Johnny Santa Barbara CaliforniaMaverick Drilling Co., Inc. Love, Peter Houston TexasMaverick Production Co., Inc Chesser, William Magnolia TexasMAX Exploration Hook, Richard Houston TexasMaxey Oil & Gas Maxey, Bryan Longview TexasMaxey Oil & Gas Medlin, Stephen Longview TexasMaxim Energy Corp Elliot, Jerry Arlington TexasMaxim Energy Corp Pyle, Bill Arlington Texas

Maxima International LLC Dabaghi, William WashingtonDistrict of Columbia

Maxus Energy Corporation Higgins, James The Woodlands TexasMaxwell Sawyer, L.E. Midland TexasMaxwell Drummond International McINTYRE, MARY Houston TexasMaxwell Drummond, Inc. McCutcheon, Carl Houston TexasMaxwell Resources Corporation Hoover, Robert Oklahoma City OklahomaMayhall & Blaize, L.L.C. Mayhall, Kim Baton Rouge LouisianaMayhall & Blaize, LLC Blaize, Charles Baton Rouge LouisianaMayhall & Blaize, LLC Manuel, Jamie Baton Rouge LouisianaMAYNE & MERTZ, INC. Weatherl, Steven E. Midland TexasMB Exploration Bob, Matt Dallas TexasMBF Land Services Freedman, Marvin Houston TexasMcBride Oil & Gas Corporation Schellinger, Carl A. Roswell New MexicoMcClure Oil Company, Inc. Koehl, Wade Midland TexasMcClure Oil Company, Inc. Lea, Ralph Midland TexasMcClure Oil Company, Inc. McClure, Donny Midland TexasMcClure Oil Company, Inc. McClure, Judd Midland TexasMcClure Oil Company, Inc. McClure, Nick Midland TexasMcClure Oil Company, Inc. Pafford, Terry Midland TexasMcClure Oil Company, Inc. Powers, Brian Midland TexasMcClure Oil Company, Inc. Senich, Mike Midland TexasMcCombs Energy, LLC Wyont, Larry Houston TexasMcDaniel Industries, Inc. McDaniel, Claude Dallas TexasMcElvain Oil & Gas Properties, Inc. Broome, George Denver ColoradoMcElvain Oil & Gas Properties, Inc. Harris, Rick Denver ColoradoMcElvain Oil & Gas Properties, Inc. Moffitt, Phil Denver ColoradoMcGowan Working Partners, Inc. Johnson, Charles Jackson MississippiMcGriff, Seibels & Williams Lewis, Hartwell Dallas TexasMcGuffin Heirs McGuffin, Joe Sonora TexasMcKinnon & Associates McKinnon, Tom Woodinville WashingtonMcMahon-Bullington, LP Bullington, Ralph Wichita Falls TexasMcMinn Operating Company Starnes, Drew Tomball Texas


Company Registrant City State Country (if not U.S.)McNeel & Associates Seitz, Melinda Tupelo MississippiMcRae Exploration & Production Mestayer, Forbus J. Houston TexasMCX Exploration (USA) LTD. Hellings, John Houston TexasMCX Exploration (USA), Ltd. Goldsmith, Yvonne Houston TexasMCX Exploration (USA), Ltd. Herrington, Sherry Houston TexasMCX Exploration (USA), Ltd. Lowe, Roger Houston TexasMCX Exploration (USA), Ltd. Nishida, Akio Houston TexasMCX Exploration (USA), Ltd. Takahashi, Shinobu Houston TexasMCX Exploration (USA), Ltd. Tanaka, Toshiaki Houston TexasMeagher Oil & Gas Properties, Meagher, Matt Englewood ColoradoMeagher Oil & Gas Properties, Semple, Jacque Tulsa OklahomaMeagher Oil & Gas Properties, Williams, Teri Tulsa OklahomaMeagher Oil & Gas Properties, Inc. McCarthy, Chris Englewood ColoradoMecom Oil Bunch, Mark Houston TexasMecom Oil Mecom, John W. Houston TexasMedallion Oil Company McQueen, Jereld Houston TexasMedallion Oil Company Miller, Dorothy Houston TexasMedco Energi US LLC Goff, Steve Lafayette LouisianaMedco Energi US LLC Johnson, Jim Lafayette LouisianaMedco Energi US LLC Terrell, Bill Lafayette LouisianaMedco Energi US LLC Wooddy, Dale Lafayette LouisianaMedco Energi US LLC Young, John Houston TexasMenrd Energy Corp Shawell, Randall Houston TexasMercator Energy Horner, Stephanie Littleton ColoradoMeridian Resource Corp. Goldstein, Bob Houston TexasMeridian Resource Corporation Mayell, Michael Houston TexasMeridian Resource Corporation Remmert, Glenn Houston TexasMeritage Energy, LLC Aubrey, John Houston TexasMerlin Oil & Gas, Inc. Miller, Mark Lafayette LouisianaMerrill Lynch Almrud, Steven Houston Texas

Merrill Lynch & Co. Divestiture Advisors Barnes, Sylvia Houston TexasMerrill Lynch Petrie King, Randy Houston TexasMerrill Lynch Petrie Sooby, Mark Houston TexasMesa Energy, Inc. Griffin, Randy Dallas TexasMesa Energy, Inc. Unruh, Ray Dallas TexasMestena Operating Domel, Courtney Corpus Christi TexasMestena Operating, Ltd Slusher, Brannon Corpus Christi TexasMestena Operating, Ltd. Bentley, Jeff Corpus Christi TexasMestena Operating, Ltd. Childers, John Corpus Christi TexasMestena Operating, Ltd. Hardy, Kathy Corpus Christi TexasMestena Operating, Ltd. Riddles, Heather Corpus Christi TexasMestena Operating, Ltd. Tanner, George Corpus Christi TexasMetano Energy, LP Bissell, John San Antonio TexasMetano Energy, LP Cox, Ron San Antonio TexasMetano Energy, LP Espinosa, Roger San Antonio TexasMetano Energy, LP Franki, Mark San Antonio TexasMetano Energy, LP Oliver, Robert San Antonio TexasMetano Energy, LP Parrish, Mark San Antonio TexasMetis Resources Patel, Harish Dallas TexasMetro Energy Group, Inc. Black, Martin Tulsa OklahomaMetro Energy Group, Inc. Gerner, Nick Tulsa OklahomaMetro Energy Group, Inc. Meeks, Kevin Tulsa OklahomaMetro Energy Group, Inc. Pfannenstiel, Robert Tulsa OklahomaMewbourne Oil Co. Cunningham, Larry Midland Texas


Company Registrant City State Country (if not U.S.)Mewbourne Oil Company Estes, Mike Tyler TexasMewbourne Oil Company Insalaco, Bruce Tyler TexasMewbourne Oil Company Waits, Ken Tyler TexasMi Swaco Wertz, Tom Houston TexasMICA Corporation Black, Paul Houston TexasMICA Corporation Oblach, Walter Houston TexasMichael H. Asher, Inc. Asher, Michael Denver ColoradoMichael H. Asher, Inc. Asher, Nicholas Denver ColoradoMicroSeismic Inc Neale, Chris Houston TexasMicroSeismic Inc Pike, Ronnie Houston TexasMicro-Strat Inc. Wornardt, Walter Houston TexasMid-Central Land Servces, LLC Perdue, Nathan Evansville IndianaMid-Central Land Services, INC. Perdue, Dale Evansville IndianaMidcon Data Services, LLC Kage, Stephen W. Edmond OklahomaMid-Con Energy Corporation Jones, Robbin Tulsa OklahomaMid-Con Energy Corporation McGhay, Jim Tulsa OklahomaMid-Con Energy Corporation McGhay, Jim Tulsa OklahomaMid-Con Energy Corporation McPhail, Rex Tulsa OklahomaMid-Con Energy Corporation Olmstead, Randy Tulsa OklahomaMid-Con Energy Corporation Stacy, Rhonda Tulsa OklahomaMidland Map Company Corbitt, James Midland TexasMidroc Operating Smith, Robin Shreveport LouisianaMidstates Petroleum Broekstra, Bradley Houston TexasMieka Cozart, D. Mark Lewisville TexasMike E. Nolte Nolte, Mike Longview TexasMike Rogers Drilling Co., Inc. Rogers, Mike Magnolia ArkansasMilagro Exploration Barron, Cristalle Houston TexasMilagro Exploration Bievenour, Mike Houston TexasMilagro Exploration Braun, Paul Houston TexasMilagro Exploration Brown, Bill Houston TexasMilagro Exploration Cavnar, Bob Houston TexasMilagro Exploration Cooley, Carol Houston TexasMilagro Exploration Eells, Jack Houston TexasMilagro Exploration Henry, Marie Houston TexasMilagro Exploration Jones, Mike Houston TexasMilagro Exploration Mallick, Jeannie Houston TexasMilagro Exploration Munsell, Marshall Houston TexasMilagro Exploration Parker, Dan Houston TexasMilagro Exploration Smith, Mike Houston TexasMilagro Exploration Srack, Mitch Houston TexasMilagro Exploration Yust, Alicia Houston TexasMiles Petroleum Corporation Miles, Oren Olney IllinoisMillbrae Energy Bond, Rodney Tulsa OklahomaMillbrae Energy McCullough, Ryburn Tulsa OklahomaMillennium Exploration Company Monroy, Richard San Antonio TexasMiller Energy James, Daniel B. Lafayette LouisianaMiller Energy, Inc. Sumbera, Dennis Houston TexasMiller Energy, Inc. Wilkerson, Richard Houston TexasMiller Land Professionals, LLC Carter, David Jackson MississippiMiller Land Professionals, LLC Maley, Thomas Jackson MississippiMiller Land Professionals, LLC Miller, David Jackson MississippiMineral Rights Consultant Parry, James Central Utah UtahMineral Rights Leasing Wilcken, Erik Salt Lake City UtahMineral Technologies Copeland, Carter Midland TexasMississippi Oil & Gas, LLC Sibley, Bo Covington Louisiana


Company Registrant City State Country (if not U.S.)Mistal, Inc. McCormick, Bob Monroe LouisianaMistal, Inc. Moreland, Sidney Baton Rouge LouisianaMistal, Inc. Smith, Ray West Monroe LouisianaMitchell Energy Advisor Taylor, Michael Dallas TexasMitsubishi Corporation Fujiki, Nobuhiro Tokyo JapanMitsubishi Corporation Ogawa, Naoki Tokyo JapanMJ Systems Brock, Penny Calgary Alberta CanadaMJ Systems Brock, William Calgary Alberta CanadaMOEX OIl & Gas Texas LLC Kachi, Tokio Houston TexasMomentum Kraus, Mark J. Houston TexasMomentum Smith, Les Houston Texasmomentum energy corporation Sitzman, Joseph Midland TexasMomentum Energy Corporation Spadinger, Martin Midland TexasMoody Oil Company Moody, George Houston TexasMorgan Stanley Parker, Jonathan Houston TexasMorgan Stanley Suleman, Saira Houston TexasMorris Exploration Morris, Robert (Bob) Houston TexasMosbacher Energy Company Snow, Wayne Houston TexasMountain Drilling Co. Peterson, Ray Houston TexasMountain Drilling Company Donnelly, Art Houston TexasMountain Energy Development LLC Cate, Wesley Lexington KentuckyMountain Energy Development LLC Lievense, Karl Lexington KentuckyMountain Energy Development LLC Wood, Tyler Lexington KentuckyMoyers & Co. Patterson, Dee Dallas TexasMPG Ventures, LLC Grace, Michael Frisco TexasMQUEST International, Inc. Moon, Thomas Spring TexasMSD Energy, Inc. Ellsworth, Chet Indialantic FloridaMSD Energy, Inc. Ellsworth, Tyler Indialantic FloridaMullins & White Exploration, Inc. Apperson, Denise Southlake TexasMullins & White Exploration, Inc. Beck, Bill Southlake TexasMullins & White Exploration, Inc. Brannon, Bruce Southlake TexasMullins & White Exploration, Inc. Cosper, Debbie Southlake TexasMullins & White Exploration, Inc. Fawcett, Jackie Southlake TexasMullins & White Exploration, Inc. Frederick, John Southlake TexasMullins & White Exploration, Inc. Garces, Tonya Southlake TexasMullins & White Exploration, Inc. Groves, Steve Southlake TexasMullins & White Exploration, Inc. Hendrick, Amanda Southlake TexasMullins & White Exploration, Inc. Holder, Daniel Southlake TexasMullins & White Exploration, Inc. Inthavong, Ky Southlake TexasMullins & White Exploration, Inc. Jansen, Craig Southlake TexasMullins & White Exploration, Inc. Johnson, Brandon Southlake TexasMullins & White Exploration, Inc. Lange, Marke Southlake TexasMullins & White Exploration, Inc. LaPoint, Craig Southlake TexasMullins & White Exploration, Inc. Lapointe, Craig Southlake TexasMullins & White Exploration, Inc. Morbitzer, Bert Southlake TexasMullins & White Exploration, Inc. Mullins, Fred Southlake TexasMullins & White Exploration, Inc. Mullins, Rick Southlake TexasMullins & White Exploration, Inc. Mullins, Theresa Southlake TexasMullins & White Exploration, Inc. Penney, Debbie Southlake TexasMullins & White Exploration, Inc. Perkins, Charles Southlake TexasMullins & White Exploration, Inc. Sandlin, Jan Southlake TexasMullins & White Exploration, Inc. Sandlin, Mike Southlake TexasMullins & White Exploration, Inc. Scotty, Geoffrey Southlake TexasMullins & White Exploration, Inc. Stewart, Audra Southlake TexasMullins & White Exploration, Inc. Stewart, Nancy Southlake Texas


Company Registrant City State Country (if not U.S.)Mullins & White Exploration, Inc. Stewart, Robert Southlake TexasMullins & White Exploration, Inc. Williamson, Ron Southlake TexasMullins & White Exploration, Inc. Wright, David Southlake TexasMunsch Hardt Kopf & Harr, P.C. Nastri, Mark Dallas TexasMurphy Exploration & Production Co. Chassaniol, Ron Houston TexasMurphy Exploration & Production Co. Dore, Paul Houston TexasMurphy Production and Exploration Barousse, Keith Houston TexasMustang Drilling Mills, Andy Henderson TexasMustang Drilling, Ltd. Fritcher, Eddie Henderson TexasMustang Drilling, Ltd. Wilhite, Michael T. Henderson TexasMustang Energy Wainwright, Scott Metairie LouisianaMuzyl Oil Corporation Elliott, Grant Gaylord MichiganMuzyl Oil Corporation Muzyl, William Gaylord MichiganMXD Energy Partners LP Mahoney, Timothy Houston TexasMXD Energy Partners LP McDugald, Richard Houston TexasMyung & Associates, Inc. Myung, Dr. John Houston TexasNaismith Marine Services Jones, Matt Corpus Christi TexasNaismith Marine Services Naismith, Jim Corpus Christi TexasNakoma Petroleum, LP Festor, Roger San Antonio TexasNantim Energy Hardwick, James F. Lafayette LouisianaNational Association of Lease & Title Analysts Clements, Peggy Houston TexasNational Association of Lease & Title Analysts Johns, Carol Houston TexasNational Association of Lease & Title Analysts Jones, Cathy Houston TexasNational Association of Lease & Title Analysts Owens, Mona Houston TexasNational Fuel Marketing Henk, Rob Bedford TexasNations Natural Gas Lott, Frank Dallas TexasNations Natural Gas Zaho, Hank Albany TexasNationsGas Partners, LLC Miller, Robert Dallas TexasNationsGas Partners, LLC Miller, Sky Dallas TexasNautilus Energy Ltd. Isensee, Mark Bellaire TexasNavidad Resources Miller, Darlene Tyler TexasNavidad Resources, LLC George, Daniel Tyler TexasNavidad Resources, LLC McGowen, Harold Tyler TexasNavidad Resources, LLC Miller, Darlene Tyler TexasNavidad Resources, LLC Tarver, Mark Tyler TexasNavigator Oil & Minerals, Inc. Blake, Jack E Jr Midland TexasNCX Company, L.L.C. Amrock, Ed Houston TexasNCX Company, L.L.C. DeGenova, Thomas Metairie LouisianaNelson Energy, Inc. Moreland, Daniel Shreveport LouisianaNeofirma, Inc. Joyner, Scott Dallas TexasNeoFirma, Inc. Lewis, Laurie Dallas TexasNeofirma, Inc. Perrine, Larry Dallas TexasNeoFirma, Inc. Smith, Mark Dallas TexasNeomorph Inv. LLC Vaughn, Joe Oklahoma City OklahomaNetherland Sewell & Assoc. Norton, Mike Houston TexasNetherland, Sewell & Assoc. Simmons, Danny Houston TexasNettlecombe Oil Co. Sigler, Roger Houston TexasNeu Oil & Gas, L.L.C. Neuberger, Daniel Corpus Christi TexasNeumin Brondos, Michael Littleton ColoradoNeumin Production Company Brooks, Craig Point Comfort TexasNeumin Production Company Chen, Tony Point Comfort TexasNeumin Production Company Chen, Yuan-chang Point Comfort Texas


Company Registrant City State Country (if not U.S.)Neumin Production Company Collom, Mike Point Comfort TexasNeumin Production Company Johnstone, Dean Point Comfort TexasNeumin Production Company Laas, McKennon Point Comfort TexasNeumin Production Company Shaw, Richard Point Comfort TexasNeumin Production Company Shih-Hua, Sung Point Comfort TexasNeuralog Best, Megan Stafford TexasNeuralog Bultman, Fred Stafford TexasNeuralog Griffiths, Duncan Stafford TexasNeuralog Hinojos, Tammy Stafford TexasNeuralog Lauber, Amy Stafford TexasNeuralog Meinwald, Javan Stafford TexasNeuralog Wilcox, David Stafford TexasNew Century Exploration, Inc. Arredondo, Joe Houston TexasNew Century Exploration, Inc. DuBroff, Duncan Houston TexasNew Century Exploration, Inc. Dunlap, Ken Houston TexasNew Century Exploration, Inc. Fenemore, Paul Houston TexasNew Century Exploration, Inc. Grimes, Jeff Houston TexasNew Century Exploration, Inc. Martin, Joe Houston TexasNew Century Exploration, Inc. Martin, Narda Houston TexasNew Century Exploration, Inc. Martin, Phil Houston TexasNew Century Exploration, Inc. Van Arsdol, Alison Houston TexasNew Guinea Energy Brown, Rebecca Houston TexasNew Guinea Energy Mitchell, Helen Houston TexasNew Sagamore LLC Lidsky, Brian Houston TexasNew Tech Engineering Gilman, Rich Houston TexasNew Voyage Enterprises LLC Alexander, Jassen Midland TexasNewark Energy Budros, Ron Fort Worth TexasNewark Energy Caffey, Mark Fort Worth TexasNewark Energy Hargrove, Trey Fort Worth TexasNewark Energy Teske, Paul Fort Worth Texas

Newell Technologies, LLC Payne, ChrisEvergreenEvergreen Colorado

Newfield Burch, Kelley Houston TexasNewfield Keller, Karen Houston TexasNewfield Wrona, Dan Houston TexasNewfield Exploration Breig, John Tulsa OklahomaNewfield Exploration Kubik, West Tulsa OklahomaNewfield Exploration Simmons, Kade Houston TexasNewfield Exploration Van Horn, Michael Houston TexasNewfield Exploration Company Boudreau, Steve Tulsa OklahomaNewfield Exploration Company Colgan, Gene Houston TexasNewfield Exploration Company Gladney, Lee Houston TexasNewfield Exploration Company Lemke, Shannon Houston TexasNewfield Exploration Company Linscomb, Christina Houston TexasNewfield Exploration Company Sacco, Paul Houston Texas

Newfield Exploration Mid-Continent Inc. Boggs, Greg Tulsa Oklahoma

Newfield Exploration Mid-Continent Inc. Stewart, Mark Tulsa OklahomaNewkumet Exploration, Inc. Newkumet, Wayne Midland TexasNewmarc Foley, Mike Dallas TexasNFR Energy Sambrooks, David Houston TexasNFR Energy LLC Ash, Patrick Houston TexasNFR Energy LLC Babcock, Paul Houston TexasNFR Energy LLC Burdette, Brian Houston TexasNFR Energy LLC Cody, Harold Houston Texas


Company Registrant City State Country (if not U.S.)NFR Energy LLC Creel, William H. Houston TexasNFR Energy LLC Keith, Karen Houston TexasNFR Energy LLC Robl, Shandy Houston TexasNFR Energy LLC Company Hinze, Michael Houston TexasNGAS Resources, Inc. Barr III, William G. Lexington KentuckyNGAS Resources, Inc. Bender, Rick Lexington KentuckyNGAS Resources, Inc. Camp, Brint Lexington KentuckyNGAS Resources, Inc. Daugherty, William Lexington KentuckyNGAS Resources, Inc. Wallen, Michael Lexington KentuckyNGP Capital Resources Company Chen, Eric Houston TexasNGP Capital Resources Company Killian, Aaron Houston TexasNGP Capital Resources Company Sheffey, Robert Houston TexasNGP Energy Capital Management Ackerman, Tomas Irving TexasNGP Energy Capital Management Alban, John Irving TexasNGP Energy Capital Management Aneed, Roy Irving TexasNGP Energy Capital Management Carter, Chris Irving TexasNGP Energy Capital Management Gardner, Stephen Houston TexasNGP Energy Capital Management Gieselman, Scott Irving TexasNGP Energy Capital Management Hayes, David Irving TexasNGP Energy Capital Management Homier, John Houston TexasNGP Energy Capital Management Hubbard, Jeffrey Houston TexasNGP Energy Capital Management Plato, R. Kelly Houston TexasNGP Energy Capital Management Raymond, Colin Irving TexasNGP Energy Capital Management Ryals, Christopher Houston TexasNGP Energy Capital Management Schockling, Daniel Houston TexasNGP Energy Capital Management Upadhyaya, Ash Irving TexasNGP Energy Capital Management Weber, Anthony Irving TexasNGP Energy Capital Management Weinzierl, John Houston TexasNGP Energy Technology Partners Barton, Brad Washington D.C.NGP Energy Technology Partners LeBourgeois, Michael Washington D.C.Nicklos Drilling Company Nicklos, James Houston TexasNighthawk Oil Field Services Mills, John Houston TexasNike Exploration Company Nikkel, John Tulsa OklahomaNippon Oil Exploration U.S.A. Limited Fly, Steven Houston TexasNippon Oil Exploration U.S.A. Limited Ohmura, Tadashi Houston TexasNippon Oil Exploration USA Parker, Bill Houston TexasNitro Energy LLC Jordan, Damon Shreveport LouisianaNL&E Austin, Grady Carrollton TexasNM Economic Development Herrera, Edward Santa Fe New MexicoNoble Energy Clampitt, Jeff Denver ColoradoNoble Energy Pawel, David Denver ColoradoNoble Energy Walker, Hodge Houston TexasNoble Energy Walter, Jeffrey Houston TexasNoble Energy Inc. Moore, Donnie Houston TexasNoble Royalties Boudreaux, Ronnie Addison TexasNoble Royalties Faust, Melinda Addison TexasNoble Royalties Hancock, Jim Addison TexasNoble Royalties Kinler, Larry Addison TexasNoble Royalties Korthauer, Angela Addison TexasNoble Royalties McConnell, Zack Addison TexasNoble Royalties Melancon, Jamie Addison TexasNoble Royalties Morris, Bruce Addison TexasNoble Royalties Morris, Chase Addison TexasNoble Royalties Prier, Josh Addison TexasNoble Royalties Vasquez, David Addison Texas


Company Registrant City State Country (if not U.S.)Noble Royalties, Inc. Bradley, Doug Addison TexasNoble Royalties, Inc. Fleming, Martin Addison TexasNoble Royalties, Inc. Franks, Michael Addison TexasNoble Royalties, Inc. Loyd, Lamar Addison TexasNoble Royalties, Inc. Noble, Scott Addison TexasNobles & Hardy LLC Nobles, Ross Dallas TexasNOJAK Pumping Solutions Holko, John Alexandria IndianaNOJAK Pumping Solutions Jessup, Ken Alexandria IndianaNOJAK Pumping Solutions Marvel, John Alexandria IndianaNOJAK Pumping Solutions Moore, Alan Alexandria IndianaNOJAK Pumping Solutions Roberts, Dan Alexandria IndianaNoram Resources Allen, Phillip Houston TexasNoram Resources Becker, Scott Houston TexasNoram Resources Davis, Ralph Houston TexasNoram Resources Keens, Robert Houston TexasNoram Resources Lummis, Richard Houston TexasNoram Resources Lytle, Frank Houston TexasNoram Resources Milton, Arnold Houston TexasNoram Resources Neufeld, Mike Houston TexasNorman & Company, Inc. Norman, Wyatt Corpus Christi TexasNorman-Price Exploration, LLP Norman, Mark Dallas TexasNorth American Exploration LLC Deshmukh, Sunil Denver ColoradoNorth American Exploration LLC Grummon, Mark Denver ColoradoNorth American Exploration LLC Jones, James Denver ColoradoNorth American Exploration LLC Sasser, Stanley Denver ColoradoNorth American Exploration LLC Scofield, Bruce Denver ColoradoNorth American Reserve Corp. Bean, Melinda Houston TexasNorth American Reserve Corp. Bossart, Brent Houston TexasNorth Petroleum Kirchmeyer, Richard Plano Texas

North Shore Energy Hudnall, Phil Shawnee Mission KansasNorth Shore Energy, LLC Schaper, Catherine Austin TexasNorth Shore Energy, LLC West, W. Troy Austin TexasNorthcoast Oil Company Broadbridge, Eric Covington LouisianaNorthcoast Oil Company Stephens, Ray Covington LouisianaNorthcoast Oil Company Thorson, Jack Covington LouisianaNortheastern L & E Hooper, Christopher Lee Lufkin TexasNorthern Oil & Gas, Inc. Edmonds, Chris Wayzata MinnesotaNorthern Oil & Gas, Inc. Reger, J.R. Wayzata MinnesotaNorthern Oil & Gas, Inc. Reger, Michael Wayzata MinnesotaNorthern Oil & Gas, Inc. Sankovitz, James Wayzata MinnesotaNorthstar Offshore Energy Roberts, Glynn Houston TexasNorthstar Offshore Energy Partner, LLC Mauzy, Michelle Houston TexasNorthstar Offshore Energy Partner, LLC Lettieri, Fred Houston TexasNorthstar Offshore Energy Partner, LLC Macmillan, Brian Houston TexasNorthstar Offshore Energy Partner, LLC Pollard, Steve Houston TexasNorwich Petroleum Corp. Gordon, Chris Oklahoma City OklahomaNova NRG Sheline, D Sugar Land TexasNova NRG Sheline, H Sugar Land TexasNova Oil & Gas Graham, Robert Corpus Christi TexasNovus Energy Knickel, Bradley Houston TexasNSAI Burner, Scott Houston TexasNTX Resources, LLC Johnson, J. Michael Dublin TexasNuTech Energy Alliance Basham, William Humble TexasNuTech Energy Alliance Borne, Craig Humble Texas


Company Registrant City State Country (if not U.S.)NuTech Energy Alliance Boykin, Bill Humble TexasNuTech Energy Alliance Close, Charles Humble TexasNuTech Energy Alliance Deaton, Angela Humble TexasNuTech Energy Alliance East, Don Humble TexasNuTech Energy Alliance Faurot, Steve Humble TexasNuTech Energy Alliance Friedrich, Mickey Humble TexasNuTech Energy Alliance Gibson, Bobby Humble TexasNuTech Energy Alliance Hall, Gail Humble TexasNuTech Energy Alliance Hand, Rich Humble TexasNuTech Energy Alliance Hernandez, Roman Humble TexasNuTech Energy Alliance Hill, Britt Humble TexasNuTech Energy Alliance Holt, Skip Humble TexasNuTech Energy Alliance Howard II, Allen D. Humble TexasNuTech Energy Alliance Howard, Allen Humble TexasNuTech Energy Alliance Hughes, J.D. Humble TexasNuTech Energy Alliance Noblett, Bruce Humble TexasNuTech Energy Alliance Roth, Steve Humble TexasNuTech Energy Alliance Sakowitz, Robert Humble TexasNuTech Energy Alliance Scanlan, Bill Humble TexasNuTech Energy Alliance Scroggin, Jennifer Humble TexasNuTech Energy Alliance Sellers, Terah Humble TexasNuTech Energy Alliance Talbot, Victoria Humble TexasNuTech Energy Alliance Thompson, John Humble TexasNuTech Energy Alliance Vaughn, Eddie Humble TexasNuTech Energy Alliance Weaver, Dwayne Humble TexasNWest Energy Inc. Drummond, Jock St. John's NF and L CanadaNWest Energy Inc. Flanagan, Chris St. John's NF and L CanadaNWest Energy Inc. Gauthier, Francois St. John's NF and L CanadaNWest Energy Inc. Webb, Robert St. John's NF and L CanadaNYTEX Petroleum, LLC Galvis, Michael Dallas TexasOak Hill Partners Robinson, Darryl Coral Gables FloridaOakland Energy Utley, Richard Centerville TexasOasis Petroleum LLC Metz, Mark Houston TexasOasis Petroleum, L.L.C. Nusz, Tommy Houston TexasOccidental Oil & Gas Corp Owen, Laura Houston TexasOccidental Oil & Gas Corp. Gouldie, Bob Houston TexasOccidental Oil & Gas Corp. Mackintosh, Amanda Houston TexasOccidental Oil & Gas Corporation Woolley, T. Houston TexasOccidental Oil and Gas Nagel, Steve Houston TexasOccidental Oil and Gas Corp. Merrill, Phyllis Houston TexasOccidental Petroleum Corporation Barnebey, Avery Los Angeles CaliforniaODS-PETRODATA Gutierrez, Rebecca Houston TexasODS-PETRODATA Hilliard, Heather Houston TexasOdyssey Exploration Battin, Douglas Denver ColoradoOdyssey Exploration Clark, Scott Denver ColoradoOffenhauser Oil & Gas, LLC McElvain, Pete Wichita Falls TexasOffenhauser Oil & Gas, LLC Morrison, Lonny Wichita Falls TexasOffshore Engineer McCulley, Russell Houston TexasOffshore Paragon Petroleum, Inc. Howell, William Houston Texas

OGE Kirkwood, TommyShawnee On Delaware Pennsylvania

OGINFO.com, LLC Chilcoat, Jeffery Corpus Christi TexasOGINFO.com, LLC Davis, James Corpus Christi TexasOGINFO.com, LLC Feerick, Chad Corpus Christi TexasOGINFO.com, LLC Hanko, Alex Corpus Christi Texas


Company Registrant City State Country (if not U.S.)OGINFO.com, LLC Horner, Raymond Corpus Christi TexasOGINFO.com, LLC Rancatore, Shawn Corpus Christi TexasOGINFO.com, LLC Streitenberger, Russell Corpus Christi TexasOGM Land Company Costanzo, Kimm Simonton TexasOGM Land Company Fleniken, Michael Simonton TexasOGR Energy Corporation Nolen, David Austin TexasOGRE Systems Parker, David Dallas TexasOGRE Systems West, Devon Dallas TexasOGRE Systems Wooldridge, Sharon Dallas TexasOGRE Systems Xia, Du Dallas TexasOhio Gas & Oil Mills, Daniel Canton OhioOhio Gas & Oil Mills, Laura Canton OhioOhio Gas & Oil White, Eric Canton OhioOil & Gas Consultant Lam, Jeffrey Seabrook TexasOil & Gas Financial Journal Stowers, Don Houston TexasOil & Gas Interest Blanks, Mark Longview TexasOil & Gas Investment Eval Taylor, Scott Amarillo TexasOil & Gas Investments Smith, T. Larry Santa Fe New MexicoOil 2 Holdings Couch, Robert Dallas TexasOil and Gas Consultant Backsen, Lee Houston TexasOil and Gas Investor Beltz, Matt Houston TexasOil and Gas Investor Beltz, Phillip Houston TexasOil and Gas Investor Chiles, Mark Houston TexasOil and Gas Investor Crower, Steve Houston TexasOil and Gas Investor Darbonne, Nissa Houston TexasOil and Gas Investor Eichler, Rich Houston TexasOil and Gas Investor Escobedo, Nick Houston TexasOil and Gas Investor Goodier, Lindsay Houston TexasOil and Gas Investor Haines, Leslie Houston TexasOil and Gas Investor Hunt, Attrice Houston TexasOil and Gas Investor Klann, Susan Denver ColoradoOil and Gas Investor Kunantaeva, Naila Houston TexasOil and Gas Investor Lamb, Shelley Houston TexasOil and Gas Investor Lauletta, John Houston TexasOil and Gas Investor Malbrough, Ralph Houston TexasOil and Gas Investor McGarr, Bob Houston TexasOil and Gas Investor Palmer, Brion Houston TexasOil and Gas Investor Payne, Stephen Houston TexasOil and Gas Investor Saucedo, Robert Houston TexasOil and Gas Investor Stell, Jeannie Houston TexasOil and Gas Investor Tenini, Ashly Houston TexasOil and Gas Investor Terrell, Travor Houston TexasOil and Gas Investor Traylor, John Houston TexasOil and Gas Investor Willaims, Peggy Denver ColoradoOil and Gas Investor Wright, Heather Houston TexasOil States / STS Victor, John Houston TexasOil2 Holdings, Inc. Starokozhev, Boris Dallas TexasOilwell Operators, Inc. Cree, Harold Pampa TexasOilwell Operators, Inc. Cree, Richard Pampa TexasOilwell Operators, Inc. McVay, Mark Pampa TexasOilwell Operators, Inc. Reid, Raymond Pampa TexasOklaco Holding L.L.C. Boone, Daniel Oklahoma City OklahomaOkland Oil Company Clay, Mark Oklahoma City OklahomaOkland Oil Company Gray, Jim Oklahoma City OklahomaOkland Oil Company Harris, Steve Oklahoma City Oklahoma


Company Registrant City State Country (if not U.S.)Okland Oil Company Okerlund, Joseph Oklahoma City OklahomaOkland Oil Company Thompson, John Oklahoma City OklahomaOkland Oil Company Wetwiska, Steve Oklahoma City OklahomaOkland Oil Company Wetwiska, Steven Oklahoma City OklahomaOlympia Royalty Porter, Rob Dallas TexasOlympia Royalty, LTD Coon, Everett Dallas TexasOlympia Royalty, LTD Hughston, Mark Dallas TexasOlympia Royalty, LTD Kremer, Jeff Dallas TexasOmni Capital, LP Reeves, Shane Englewood ColoradoOMNI Laboratories Clemenson, Tanis Houston TexasOMNI Laboratories Leblanc Terburgh, Anne Houston TexasOMNI Laboratories See, Rebecca Houston TexasOmni Laboratories, Inc. Komm, Tracie Houston TexasOMNI Laboratories, Inc. Verret, Janet New Orleans LouisianaOmni Oil & Gas, Inc. Johnson, Gordon Dallas TexasOmni Petroleum Corporation Vechan, Chris Austin TexasONEMAP Moeser, Jamie Tyler TexasOpal Energy, Inc. Holt, Mark Katy TexasOpal Energy, Inc. Jacobson, Karen Katy TexasOpal Energy, Inc. Williamson, Barry Katy TexasOpen Choke Capital Management, Beunier, Jeffrey Denver ColoradoOP-Finder Thierree, Bernard Paris FranceOPICOIL Tien, Ching-Lung Sugar Land TexasOpicoil America Inc. Chiang, Robert Tien-tsai Houston TexasOPICOIL America, Inc. Huang, Yu-Ting Houston TexasOpicoil America, Inc. Kuo, Tsai Fa Houston TexasOpicoil America, Inc. Wu, Hong-Bin Houston TexasOpicoil Houston, Inc. Liou, Chiahua Houston TexasOptiLIFT Technologies Griffiths, Neil Rijswijk NetherlandsOptimistic Energy, LLC Bourque, Karl Lafayette LouisianaOptimistic Energy, LLC Fuselier, William Lafayette LouisianaOptimistic Energy, LLC Harrison, Frank Lafayette LouisianaOptimistic Energy, LLC Sturlese, David Lafayette LouisianaOpus Resources Dost, Jr., William Edmond OklahomaOpus Resources, Inc. Hess, Tom Edmond OklahomaOpus Resources, Inc. McCain, Greg Edmond OklahomaOracle Resources Ainsworth, George Dallas TexasOracle Resources Byther, Fred Dallas TexasOracle Resources Pershern, Bryan Dallas TexasOrbis Energy, Ltd. Edsel, James Austin TexasOrbit Energy, Inc. Bennett, Tim Lafayette LouisianaOrbit Energy, Inc. Chiasson, Bruce Lafayette LouisianaOrbit Energy, Inc. Chiasson, Matt Lafayette LouisianaOrbit Energy, Inc. Clark, Chip Lafayette LouisianaOrion Drilling Company Doramus, Greg Corpus Christi TexasOrion Drilling Company Weis, Jeff Corpus Christi TexasOrion Energy Partners Davenport, David Denver ColoradoOrion Energy Partners Honert, Jim Denver ColoradoOrion Energy Partners Kalstrom, Todd Denver ColoradoOrion Energy Partners Sayers, Adam Denver ColoradoOrion Exploration L.L.C. Miller, Steve Tulsa OklahomaOrion Pipeline Baker, Eddie Tyler TexasOrion Pipeline, Ltd. Haberle, Fred Tyler TexasOrion Pipeline, Ltd. Struble, Dave Tyler TexasOrr Holdings Ltd. Orr, Bill Austin Texas


Company Registrant City State Country (if not U.S.)Orr Holdings, Ltd. Orr, Blake Austin TexasORX Resources, Inc. Prat, Brandt New Orleans LouisianaOsage Resources, LLC Clark, Shaina Hutchinson KansasOsage Resources, LLC Crouch, Ben Hutchinson KansasOsage Resources, LLC Dale, Jeffrey Hutchinson KansasOsage Resources, LLC Green, Bob Hutchinson KansasOsage Resources, LLC Maxfield, Brooke Hutchinson KansasOsage Resources, LLC Schweizer, Ryan Hutchinson KansasOsborn Heirs Company Long, John San Antonio TexasOsborn Heirs Company Wadsworth, Don San Antonio TexasOsprey Petroleum Co. Rouxel, Roland Houston TexasOvation Data Services Conway, Sean Houston TexasOvation Data Services Higgins, Mike Houston TexasOvation Data Services Hutchinson, Christina Houston TexasOvation Data Services Naquin, Brian Houston Texas

Ovation Energy II, LP Schultz, KyleNorth Richland Hills Texas

Ovation Energy II, LP Welch, Kenneth W.North Richland Hills Texas

Overland Energy Nelson, Bob Plano TexasOverland Energy Smith, Garry Plano TexasOxy Hinn, Ronn Houston TexasOxy Occidental Oil & Gas Davenport, Brent Houston TexasOxy Occidental Oil and Gas DeDominic, Joseph Houston TexasOxy Occidental Oil and Gas Grommesh, Mark Houston TexasOxy Occidental Oil and Gas Hines, John Houston TexasOxy Occidental Oil and Gas Irons, Bill Houston TexasOxy Occidental Oil and Gas Kilburn, Cynthia Houston TexasOxy Occidental Oil and Gas Neher, Kurt Houston TexasOxy Occidental Oil and Gas Parkison, Scott Houston TexasOxy, Inc. McColloch, Kevin Houston TexasOzark Oil & Gas Inc. Westphal, Bennie Fort Smith ArkansasP G S Potapov, Denis Houston TexasP&F Exploration Ahlen, Jack Austin TexasP&F Exploration Forney, Phillip Austin TexasP&F Exploration Pavlasek, Richard Austin TexasP&NG Exploration Fiongos, K. J. Houston TexasP.O.&G. Resources Pfeifer, Steven Houston TexasPace Petroleum LLC Smith, Robert Dallas TexasPace Petroleum LLC Stone, Joe Dallas TexasPacesetter Energy, Inc Goetz, Jim Flower Mound TexasPacesetter Energy, LLC Lacewell, Jason Flower Mound TexasPacesetter Energy, LLC Litteken, Brandi Flower Mound TexasPacesetter Energy, LLC Moya, Luis Flower Mound TexasPacesetter Energy, LLC Watson, Kathleen Flower Mound TexasPacific Energy Rainwater, John Bakersfield CaliforniaPacific Energy Resources, Ltd. wiesinger, mickey Bakersfield CaliforniaPacSeis Melancon, J Denver ColoradoPacSeis Inc. Conway, Curtis Bakersfield CaliforniaPacSeis Inc. Rangel, Brian Bakersfield CaliforniaPadgett Exploration Padgett, Carl Houston TexasPage Energy Partners Laflin, George Houston TexasPAI Anderson, Dave Palo Alto CaliforniaPAI Hill, Peter Palo Alto CaliforniaPAI Samuels, Jonathan Palo Alto California


Company Registrant City State Country (if not U.S.)Palau Pacific Energy Martin, Robert Graford TexasPalm Production Co. Sharrock, Stuart Sugar Land TexasPalm Resources Eumont, Jerry Sugarland TexasPaloma Resources Chen, Solomon Houston TexasPaloma Resources Gray, Susan Houston TexasPaloma Resources, LLC. Schwartz, Tom Houston TexasPan American Exploration Co, Inc Andrau, Evert Houston TexasPangaea Land Service Beckmen, Scott Fort Worth TexasPangaea Land Services LLC Crook, Jeffrey Fort Worth TexasPangaea Land Services, LLC Reid, Karen Marshall TexasPangia Resources LP Talley, Larry Dallas TexasPanhandle Oil and Gas Inc. Spriestersbach, Ben Oklahoma City OklahomaPanhandle Oil and Gas, Inc. Coffman, Michael Oklahoma City OklahomaPanhandle Oil and Gas, Inc. Lannert, Todd Oklahoma City OklahomaPanhandle Oil and Gas, Inc. Spriestersbach, Ben Oklahoma City OklahomaPanTerra Resource Corp Rumak, Fred Calgary Alberta CanadaPanther Bayou Energy Budrevics, Valdis Houston TexasPanther Bayou Energy Dayton, Debbie Houston TexasPanther Energy Co, LLC Vader, Debbie Tulsa OklahomaPanther Energy Company, LLC Mullennix, Berry Tulsa OklahomaPanther Energy Company, LLC Owen, Tom Tulsa OklahomaPanther Energy Company, LLC Stone, Jim Tulsa OklahomaPanther Energy Company, LLC Towner, Bill Tulsa OklahomaPanther Pipeline Shipper, Jeff Houston TexasPanther Pipeline, Ltd. Strickland, James Houston TexasPardee Minerals LLC James, William Sugar Land TexasPark Cities Bank Cheatham, Jeffrey Dallas TexasPark Cities Bank Conrad, Barry Dallas TexasPark Cities Bank Dotson, Kelly Dallas TexasParkman Whaling LLC Smith, Dave Houston TexasParkman Whaling LLC Zorich, Bret Houston TexasParkman Whaling, LLC Collins, J. Patrick Houston TexasParks & Luttrell Interests LLC Luttrell, Terry Houston TexasParks & Luttrell Interests LLC Tharp, Carla Houston TexasParticle Drilling Technologies Hardisty, Thomas Houston TexasPatrick Operating Company Rowe, G. M. Houston TexasPatrick Operating Company Rowe, Jr., G. M. Houston TexasPatriot Exploration Bayless, Jack Houston TexasPatriot Exploration McCarroll, Tom Houston TexasPatronus Petroleum Christopher, Kathrine Crockett TexasPaxton Resources Lampert, Scot Gaylord MichiganPaxton Resources Valdnais, Gregory Gaylord MichiganPEC Minerals LP Pickell, Michael Dallas TexasPegasi Energy Sudderth, W L Tyler TexasPegasi Energy Resources Corp. Denman, William Tyler TexasPegasi Energy Resources Corp. Lindermanis, Richard Houston TexasPelican Land, Inc. Fife, Jr., Charles Opelousas LouisianaPendragon Oil Co. DeWoody, Joseph Fort Worth TexasPenn Virginia Oil & Gas Chaffin, Chris Houston TexasPenn Virginia Oil & Gas LP Velardo, Brian Houston TexasPenn Virginia Oil & Gas, L.P. Coates, Gene Houston TexasPenn Virginia Oil & Gas, L.P. Way, Gregory Houston TexasPenn Virginia Oil & Gas, LP Mellor, Ed Houston TexasPenn West Energy DeHekker, Glenn Calgary Alberta CanadaPenn West Energy Trust Foulkes, Hilary Calgary Alberta Canada


Company Registrant City State Country (if not U.S.)Penn West Energy Trust Speer, Dave Calgary Alberta CanadaPennington oil & Gas Branson, Robert Abita Springs LouisianaPennington Oil & Gas Interests, LLC Hise, Anne Baton Rouge LouisianaPennington Oil & Gas Interests, LLC Hise, Bill Baton Rouge LouisianaPennington Oil & Gas Interests, LLC Hise, Richard Lafayette LouisianaPennington Oil & Gas Interests, LLC Hodgkins, Bill Baton Rouge LouisianaPennPacific Onshore, LLC Foshee, Page Austin TexasPennPacific Onshore, LLC Foshee, Page Austin Texas

PennWell / Oil & Gas Financial Journal Griffin, Dana Houston Texas

PennWell / Oil & Gas Financial Journal Immekus, Mark Houston TexasPeregrine Oil & Gas Newendorp, Mark Houston TexasPerf-Drill Cousins, James Shreveport LouisianaPerf-Drill Wingerter, Jack Shreveport LouisianaPermian Basin Acquisition Fund Stallings, Kyle Midland TexasPermian Basin Acquisition Fund Wright, Grant Midland TexasPerryman Exploration Partners, LLC Godwin, Garrett Athens TexasPerryman Exploration Partners, LLC Perryman, Jr., Kris Athens TexasPerryman Exploration Partners, LLC Perryman, Kris Athens TexasPES Woodward, J. P. Spring TexasPetra Logos LLC Amario, Louis Spring TexasPetra Logos LLC Davis, Jeremy Spring TexasPetra Logos LLC Robinson, Mark Spring TexasPetra Logos LLC Spiller, Pam Spring TexasPetris Garcia, Jacoby Houston TexasPetris Technology, Inc. Henry, Mickey Houston TexasPetro Development Partners, LP Baird, Ralph W. Houston TexasPetro Fuego Greig, Jay San Antonio TexasPetro Fuego Gunnell, Daniel Orem UtahPetro Fuego Hodges, Kimball Orem UtahPetro Fuego Jacobs, Warren Orem UtahPetro Fuego Jensen, Cory Orem UtahPetro Fuego Risien, Harvey San Antonio TexasPetro Fuego Vercher, Stace San Antonio TexasPetro Fuego White, Jeff San Antonio TexasPetro Global Energy Abshire, Lou Houston TexasPetro Global Energy Clowers, Stan Houston TexasPetro Global Energy Ellison, Don Houston TexasPetro Global Energy Forshagen, Dasha Houston TexasPetro Global Energy Gutierrez, Andres Houston TexasPetro Global Energy Herve, Philippe Houston TexasPetro Global Energy Khalizova, Irina Houston TexasPetro Global Energy Martin, Eric Houston TexasPetro Global Energy McAdams, Bob Houston TexasPetro Global Energy Smith, Jamie Houston TexasPetro Global Energy Truong, Phong Houston TexasPetro Global Energy Wells, Yolanda Houston TexasPetro Grande, LLC Janz, Abram Dallas TexasPetro Hunter Enery Coorp Crowell, Charles Denver ColoradoPetro Prospects Marketing Johnson, Ken Orem UtahPetro Prospects Marketing McMahon, Todd Orem UtahPetro Prospects Marketing Medlin, Jim Orem UtahPetro Rio, LLC Maslonka, Trudy Boulder ColoradoPetro Rio, LLC Moritz, James W. Boulder Colorado


Company Registrant City State Country (if not U.S.)Petro Rio, LLC Smith, DeWitt D. Boulder ColoradoPetro Rio,LLC Helms, John Boulder ColoradoPetro-America, L.L.C. Anderson, Jerry Houston TexasPetro-America, L.L.C. Downey, Verle Houston TexasPetro-America, L.L.C. Mohajir, Nez Houston TexasPetro-America, L.L.C. Ponder, R. Craig Houston TexasPetrobras Miller, Jim Houston TexasPetrobras America Inc. Kozusko, Ray Houston TexasPetrobridge Investment Parrish, Richard Houston TexasPetrobridge Investment Teltschik, Justin Houston TexasPetrobridge Investment Management Keener, Mike Houston TexasPetrobridge Investment Management Lindermanis, Rob Houston TexasPetro-Canada Resources (USA) Inc. Konopka, Carla Denver ColoradoPetroCap, Inc. Neville, Alec Dallas TexasPetroCap, Inc. Rinehart, R. D. Dallas TexasPetroCap, Inc. Sears, John Dallas TexasPetroEdge Energy Ward, John Houston TexasPetroedge Energy LLc Holsen, Joe Houston TexasPetrogulf Corporation Barnhill, Bob Houston TexasPetrogulf Corporation Green, Patrick Denver ColoradoPetrogulf Corporation Moses, Geoff Denver ColoradoPetrogulf Corporation Plazak, Dan Denver ColoradoPetrogulf Corporation Poirier, Mike Denver ColoradoPetrogulf Corporation Siratovich, Paul Denver ColoradoPetrogulf Corporation Smolen, Randy Houston TexasPetrogulf Corporation St. Aubin, Darcy Denver ColoradoPetroHawk Energy Company Williford, Jann Houston TexasPetrohawk Energy Corp. Gafford, Kim Plano TexasPetrohawk energy Corp. Huffty, J Matthew Shreveport LouisianaPetrohawk Energy Corporation Bailey, Cynthia Plano TexasPetrohawk Energy Corporation Barr, Jason Houston TexasPetrohawk Energy Corporation Beeson, Jana Payne Plano TexasPetrohawk Energy Corporation Boring, Todd Plano TexasPetrohawk Energy Corporation Braddock, Kate Plano TexasPetrohawk Energy Corporation Brummell, Jimmy Houston TexasPetrohawk Energy Corporation Cusack, Charles Houston TexasPetrohawk Energy Corporation Frink, Alan Houston TexasPetrohawk Energy Corporation Gibson, Jim Houston TexasPetrohawk Energy Corporation Herod, Steve Houston TexasPetrohawk Energy Corporation Houser, Richard Houston TexasPetrohawk Energy Corporation Isbell, Howard Houston TexasPetroHawk Energy Corporation Latch, Charles Houston TexasPetroHawk Energy Corporation McCormick, Joann Houston TexasPetroHawk Energy Corporation Peacher, Rusty Houston TexasPetrohawk Energy Corporation Ridge, Barclay Houston TexasPetrohawk Energy Corporation Smith, Thomas Houston TexasPetrohawk Energy Corporation Snowden, Gary Plano TexasPetrohawk Energy Corporation Stetson Duvall, Shane Houston TexasPetrohawk Energy Corporation Stoneburner, Richard Houston TexasPetro-Hunt LLC Wunderlick, John Robert Houston TexasPetro-Hunt, Inc. Perkins, Hunt Lexington KentuckyPetro-Hunt, LLC Block, Lauri Dallas TexasPetro-Hunt, LLC Brachman, Steve Houston TexasPetro-Hunt, LLC Buckert, Steve Houston TexasPetro-Hunt, LLC Dodge, Pete Houston Texas


Company Registrant City State Country (if not U.S.)Petro-Hunt, LLC Enlow, Jim Houston TexasPetro-Hunt, LLC Hearne, William Dallas TexasPetro-Hunt, LLC Hostenske, Dale Dallas TexasPetro-Hunt, LLC Hunt, Doug Dallas TexasPetro-Hunt, LLC Hunt, William Dallas TexasPetro-Hunt, LLC Meyer, Andre Dallas TexasPetro-Hunt, LLC Roberts, John Dallas TexasPetro-Hunt, LLC Rodriguez, Jack Houston TexasPetro-Hunt, LLC Truett, Brad Dallas TexasPetroHunter Lotito, Tony Denver ColoradoPetroHunter Energy Corp. Parker, Richard Denver ColoradoPetroHunter Energy Corporation Nelson, Lance Denver ColoradoPetroHunter Energy Corporation Nelson, Lyle Denver ColoradoPetroHunter Exploration Company Ahlbrandt, Thomas Denver ColoradoPetroleum Castro, Alfieri Houston TexasPetroleum Consultant Ardell, Robert Houston TexasPetroleum Development McCleery, Raymond Bridgeport West VirginiaPetroleum Development Corp Gerdom, Dewey Denver ColoradoPetroleum Development Corp. Bacon, Brad Bridgeport West VirginiaPetroleum Development Corporation Smith, Joseph Bridgeport West VirginiaPetroleum Development Group, Inc. Miller, Al Jackson MississippiPetroleum Development Group, Inc. Miller, Leah Jackson MississippiPetroleum Engineers Inc. Claxton, Don LaFayette LouisianaPetroleum Engineers, Inc Bellaire, Alvin Lafayette LouisianaPetroleum Engineers, Inc. Durio, Craig Lafayette LouisianaPetroleum Engineers, Inc. Hennigan, Steve Lafayette LouisianaPetroleum Engineers, Inc. Leblanc, Mahlon Lafayette LouisianaPetroleum Geo-Services Oliver, Nathan Houston TexasPetroleum Geo-Services Perez, Kristi Houston TexasPetroleum Geo-Services Sellers, Kurt Houston TexasPetroleum Geo-Services Soth, Dutch Houston TexasPetroleum Geo-Services Troxell, Bill Houston TexasPetroleum Geo-Services Ward, Chuck Houston TexasPetroleum Land Resources, Inc. Elmore, Jason Houma LouisianaPetroleum Magazine Zajia, Jorge Maracaibo VenezuelaPetroleum Technology Transfer Council Ames III, Gene San Antonio TexasPetroleum Technology Transfer Council Cole, Lance Sand Springs OklahomaPetroleum Technology Transfer Council Lewis, Fletcher Oklahoma City OklahomaPetroleum Technology Transfer Council Nash, Susan Norman OklahomaPetrolia Beche, Martin Quebec Quebec CanadaPetrolia Granger, Bernard Quebec Quebec CanadaPetrolia Proulx, Isabelle Quebec Quebec CanadaPetromax Operating Smith, Darrell Garland TexasPETROMAX Resources LLC Mazy, Max Rosenberg TexasPETROMAX Resources LLC Polichino, Sandra Rosenberg TexasPETROMAX Resources LLC Taylor, Rick Shreveport LouisianaPETROMAX Resources LLC Touchstone, Robert Shreveport LouisianaPetron Resources Gentzis, Thomas Frisco TexasPetron Resources Murrie, Gary Frisco TexasPetron Resources Rohan, Dennis Frisco TexasPetron Resources Wight, Doug Frisco TexasPetrophysical Solutions, inc. Carr, Matthew Houston TexasPetrophysical Solutions, Inc. Peeler, Neal Houston TexasPetrophysics, Inc. Smith, Joe San Antonio TexasPetropysical Solutions, Inc. Price, William Houston Texas


Company Registrant City State Country (if not U.S.)Petroquest Stover, Mark Houston TexasPetroQuest Energy Andrus, Donna Lafayette LouisianaPetroQuest Energy Blair, James S. Houston TexasPetroQuest Energy Castell, Mark Houston TexasPetroQuest Energy Parrott, Mark Houston TexasPetroQuest Energy Zehnder, Todd Lafayette LouisianaPetroQuest Energy, Inc Goodson, Charles Lafayette LouisianaPetroQuest Energy, LLC Barry, Thomas Lafayette LouisianaPetroQuest Energy, LLC Brazan, Patrick Tulsa OklahomaPetroQuest Energy, LLC Byrd, Phillip E. Tulsa OklahomaPetroQuest Energy, LLC Caithamer, Celine Lafayette LouisianaPetroQuest Energy, LLC Crowson, Neville Lafayette LouisianaPetroQuest Energy, LLC Green, Stephen H. Lafayette LouisianaPetroQuest Energy, LLC Gulotta, Peter Lafayette LouisianaPetroQuest Energy, LLC Indest, Daniel J. Lafayette LouisianaPetroQuest Energy, LLC Jeansonne, Natasha Lafayette LouisianaPetroQuest Energy, LLC Jordan, Kevin Lafayette LouisianaPetroQuest Energy, LLC Landry, Patrick Lafayette LouisianaPetroQuest Energy, LLC Mako, Thomas Lafayette LouisianaPetroQuest Energy, LLC Martiny, Bryan Lafayette LouisianaPetroQuest Energy, LLC Mixon, Art Lafayette LouisianaPetroQuest Energy, LLC Oliver, William B. Lafayette LouisianaPetroQuest Energy, LLC Smith, Dalton Lafayette LouisianaPetroQuest Energy, LLC Summar, Keith Tulsa OklahomaPetroQuest Energy, LLC Vilbert, James Tulsa OklahomaPetroQuest Energy, LLC Vogel, Lawson Tulsa OklahomaPetro-Quest Oil & Gas, LP Hoffmann, Mark Kerrville TexasPetro-Quest Oil & Gas, LP Parma, Edward Kerrville TexasPetroReal, Inc. Hightower, Jim Temple TexasPetroSEarch Energy Corporation Beninger, Wayne Houston TexasPetrosys Dudley, Don Houston TexasPetrosys Kuzinski, Adam Houston TexasPetroTrace Global McFarlane, Michael Houston TexasPetroTrace Global McFarlane, Sr., John E. Houston TexasPetroWorth Resources, Inc. Mednick, Neal Toronto Ontario CanadaPetroWorth Resources, Inc. O'Brien, Colman Toronto Ontario CanadaPetroWorth Resources, Inc. Raleigh, Michael Toronto Ontario CanadaPetruoleum The Latin American Giovannucci, Alfonso Houston TexasPetrus Exploration, LLC Balogh, James Houston TexasPetrus Exploration, LLC Holland, Thomas Houston TexasPetrus Exploration, LLC Miller, Robert Houston TexasPetrus Exploration, LLC Rohleder, David Houston TexasPetrus Exploration, LLC Winn, Charles Houston TexasPetrus Exploration, LLC Winn, Kathy Houston TexasPetrus Exploration, LLC Winn, Rusty Houston TexasPetrus Exploration, LLC Wixted, James Houston TexasPetsec Energy Incorporated Repar, Nick Lafayette LouisianaPFM LLC Connatser, William College Station TexasPFM, LLC Hokanson, Joel Bellaire TexasPFM, LLC Portman, Robert Bellaire TexasPGS Adams, Brian Houston TexasPGS Horscroft, Richard Houston TexasPGS Quilter, Paul Houston TexasPGS Watson, Denise Houston TexasPGS Williams, David Houston Texas


Company Registrant City State Country (if not U.S.)PGS Geo- Services Propst, Brent Houston TexasPGS Geophysical Asher, Larry Houston TexasPGS Geophysical Atkins, Tom Houston TexasPGS Geophysical Biggart, Henry Houston TexasPGS Geophysical Bogardus, Jim Houston TexasPGS Geophysical Lawson, Jerry Houston TexasPGS Geophysical Millice, Wayne Houston TexasPGS Geophysical Rosas, Joe Houston TexasPGS Geophysical Walsh, Kimberly Houston TexasPGS Geo-Services Ramirez, Luis Houston TexasPGS Geo-Services Stevens, Keith Houston TexasPhico Resources Phipps, Keith Spring TexasPhillips Energy Partners Doiron, Ian Shreveport LouisianaPhillips Energy Partners Elder, James Shreveport LouisianaPhillips Energy Partners Phillips, Collin Shreveport LouisianaPhoenix Energy Inc. Huggins, Peter Fairfield IowaPhoenix Exploration Coons, Bernard Houston TexasPhoenix Exploration Company Cole, Lavonne Houston TexasPhoenix Exploration Company Cook, Phaedra Houston TexasPhoenix Exploration Company Duncan, Tim Houston TexasPhoenix Exploration Company Felter, Judy Houston TexasPhoenix Exploration Company Gibson, Jim Houston TexasPhoenix Exploration Company Harrison, John Houston TexasPhoenix Exploration Company Heitzman, Steve Houston TexasPhoenix Exploration Company Hunter, Gerhart Houston TexasPhoenix Exploration Company Long, Loren Houston TexasPhoenix Exploration Company Parker, John Houston TexasPhoenix Exploration Company Phan, Quyen Houston TexasPhoenix Exploration Company Pier, Robert Houston TexasPhoenix Exploration Company Saunders, Bryan Houston TexasPhoenix Exploration Company Skrla, John Houston TexasPhoenix Exploration Company Steele, Mark Houston TexasPhoenix Exploration Company Venditti, Tony Houston TexasPhoenix Exploration Company Westmoreland, Keith Houston TexasPhoenix Exploration Company Whiteside, Ken Houston TexasPhoenix Exploration Company Williams, Laura Houston TexasPhoenix Exploration Company LP Crooker, Caran Houston TexasPickens Energy Corporation Carroll, Jay Dallas TexasPickens Energy Corporation Jackson, Paul Dallas TexasPickens Energy Corporation Pickens, Kenney Dallas TexasPickens Energy Corporation Pickens, Michael Dallas TexasPickleLand, LLC Pickle, Robert C Palestine TexasPiedra Operating Grace, David Midland TexasPiedra Operating Oestmann, Mike Midland TexasPiedra Operating Ryden, Chris Midland TexasPimuro Capital Partners, LLC Pina, G. Jonathan Houston TexasPin Oak Operating Hyatt, John Shreveport LouisianaPin Oak Operating Meier, Todd Shreveport LouisianaPin Oak Operating Co. Land Ser Harvill, Cade Shreveport LouisianaPin Oak Operating Co. Land Ser Palmer, Derrick Shreveport LouisianaPin Oak Operating Company Burford, Porter Shreveport LouisianaPines Exploration Company Casey, Roger Houston TexasPines Exploration Company Walther, Roy New Orleans LouisianaPingora Exploration Company, LLC Clark, Les Houston TexasPinkston Energy Co., LLC Pinkston, Scott Dallas Texas


Company Registrant City State Country (if not U.S.)Pinkston Energy Co., LLC Pinkston, Sidney Dallas TexasPinkston Energy Co., LLC Pinkston, Steve Dallas TexasPinkston Energy Co., LLC Reinhardt, Tom Dallas TexasPinnacle Grenier, David Houston TexasPinto Enegy Partners LP Soriero, Tommy Houston TexasPinto Energy Partners, L.P. Pike, Geoff Houston TexasPioneer Natural Resources Bellamy, Justin Irving TexasPioneer Natural Resources Brooks, Larry Irving TexasPioneer Natural Resources Cook, Myron Irving TexasPioneer Natural Resources Goldstein, Louis Irving TexasPioneer Natural Resources Katz, David irving TexasPioneer Natural Resources Lee, Paul Irving TexasPioneer Natural Resources Parnell, Larry Denver ColoradoPioneer Natural Resources Sapaugh, Scott Houston Texas

Pioneer Natural ResourcesTshikhudo, NDIVHUWO JEFFER Irving Texas

Pioneer Natural Resources USA, Hannes, William Irving TexasPioneer Natural Resources USA, Rhodes, Eugene Irving TexasPioneer Natural Resources USA, Inc. Camara, Mike Irving TexasPioneer Natural Resources USA, Inc. Hagens, Robert Irving TexasPioneer Natural Resources USA, Inc. Lehtonen, Lee Irving TexasPioneer Natural Resources USA, Inc. Nelson, Dave Irving TexasPioneer Natural Resources USA, Inc. Raindl, Rick Irving TexasPioneer Oil Co. Osborn, James Dallas TexasPipe Specialties, Inc. Cleveland, Keleigh Birmingham AlabamaPipe Specialties, Inc. Mumford, Amy Houston TexasPiper-Morgan Associates Emshoff, Steve Houston TexasPitkin Petroleum, Ltd Morado, Arturo Dallas TexasPitts Oil Company Coleman, Bobby dallas TexasPitts Oil Company Martineau, David Dallas TexasPKN Orlen Woollen, Ian Edinburgh United KingdomPKN ORLEN S.A. Prugar, Wieslaw Warsaw PolandPlains E & P McCarthy, Margaret Houston TexasPlains E&P Lovitz, Glenn Houston TexasPlains Exploration & Heppermann, Jeff Houston TexasPlains Exploration & Livingston, Neal Bakersfield CaliforniaPlains Exploration & Traeger, Christopher Houston TexasPlains Exploration & Yip, Freddy Houston TexasPlains Exploration & Productio Christianson, Linda Houston TexasPlains Exploration & Productio Klein, Michael Houston TexasPlains Exploration & Productio Quinn, Michael Lafayette Louisiana

Plains Exploration & Production Company Bates, Riley Houston TexasPlains Exploration & Production Brennan, Brian Lafayette LouisianaPlains Exploration & Production Hensel, Marc Houston TexasPlains Exploration & Production Laperouse, Stephen Houston TexasPlains Exploration & Production Stanford, John Houston TexasPlanet Resource Recovery, Inc Neubauer, Kurt Houston TexasPlanet Resource Recovery, Inc. Johnson, Richard Houston TexasPlano Petroleum LLC Hampton, Gary Plano TexasPlano Petroleum LLC Richards, Cory Plano TexasPlano Petroleum LLC Stevens, Rick Plano TexasPlano Petroleum, LLC Munchinski, Jaymie Plano TexasPlantation Petroleum Companies Adams, Donald Houston TexasPlantation Petroleum Companies Blaylock, Jay Midland Texas


Company Registrant City State Country (if not U.S.)Plantation Petroleum Companies Dotson, Don Houston TexasPlantation Petroleum Companies Hall, Donny Houston TexasPlantation Petroleum Companies Kana, Charles Houston TexasPlantation Petroleum Companies Meneley, Thomas Houston TexasPlantation Petroleum Companies Pearce, Paul Houston TexasPlantation Petroleum Companies Stancil, Robert Houston TexasPlantation Petroleum Companies Walls, Bill J. Houston TexasPlatte River Associates, Inc. Leonard, China Boulder ColoradoPlatte River Associates, Inc. Leonard, Jay Boulder ColoradoPlaya Oil & Gas LP Beach, Gary Houston TexasPlaya Oil & Gas LP Knowles, Walter Houston TexasPlaya Oil & Gas, LP Corporation Groff, Barry Houston TexasPledger Petroleum Chesteen, Tim Natchez MississippiPLS Marketing Achrey, Ian Houston TexasPLS Marketing Alvarado, John Houston TexasPLS Marketing Benoche, Ross Houston TexasPLS Marketing Bielinski, William Houston TexasPLS Marketing Breaux, Travis Houston Texas

PLS Marketing Chandler-Calhoun, Abigail Houston TexasPLS Marketing Fox, Walter Houston TexasPLS Marketing Goins-Condina, Denise Houston TexasPLS Marketing Harkins, Sandy Houston TexasPLS Marketing Lieberman, Gary Houston TexasPLS Marketing Martin, Richard Houston TexasPLS Marketing Moore, Erica Houston TexasPLS Marketing Ramirez, Joseph Houston TexasPLS Marketing Reimbold, Jason Houston TexasPLS Marketing Rizvi, Ali Houston TexasPLS Marketing Wise, Ronyld Houston TexasPLS Publications Jarvis, Barbara Houston TexasPLS Publications Kelly, Beau Houston TexasPLS Publications Silverman, Samara Houston TexasPLS Publications Taylor, Bertie Houston TexasPolski Koncern Naftowy Orlen S.A. Seferovich, Patrick Warsaw PolandPoplabs-Google Rabin, Victoria Louise Houston TexasPorter Rogers Dahlman & Gordon, Charles Corpus Christi TexasPorter Rogers Dahlman & Hayes, Cornelius Corpus Christi TexasPorter Rogers Dahlman & Gordon Christina, Joe Corpus Christi TexasPotosky Oil & Gas, Inc. Potosky, Robert Houston TexasPower Capital Partners Alvarado, John C. new york New YorkPR Marriott Drilling Marriott, Paul EnglandPrairie View A & M University Handforth, Frank Prairie View TexasPRE Resources, Inc. Tonnsen, John Denver ColoradoPrecision Well Logging, Inc. Byrd, Marshall Houston TexasPrecision Well Logging, Inc. Henry, James Houston TexasPrecision Wells Andrews, Chuck Bountiful UtahPrecision Wells Cook, Daniel Bountiful UtahPrecision Wells Kotter, Bart Bountiful UtahPrecision Wells Olsen, Michael Bountiful UtahPrecision Wells, LLC Andrews, Chuck Bountiful UtahPrecision Wells, LLC Booras, Tony Bountiful UtahPrecision Wells, LLC Booras, Tony Bountiful UtahPrecision Wells, LLC Dalsing, Cris Bountiful UtahPrecision Wells, LLC Dalsing, Cris Bountiful Utah


Company Registrant City State Country (if not U.S.)Precision Wells, LLC Hall, JoAnne Bountiful UtahPrecision Wells, LLC Keller, David Bountiful UtahPrecision Wells, LLC Keller, David Bountiful UtahPrecision Wells, LLC Kotter, Bart Bountiful UtahPrecision Wells, LLC Kotter, Melissa Bountiful UtahPrecision Wells, LLC Olsen, Mike Bountiful UtahPregler Oil Company Pregler, Stuart Tulsa OklahomaPremier Land Services Hutcherson, George Elkhart TexasPremier Natural Resources, LLC Jacobsen, Chris Tulsa OklahomaPresco, Inc. Bennetts, Kim Spring TexasPresco, Inc. Goodwin, John The Woodlands TexasPresco, Inc. Wakie, Art The Woodlands TexasPresco, Inc. Wheeler, David The Woodlands TexasPreset Drilling Brace, Mark Woodward OklahomaPreset Drilling Marlatt, Bryce Woodward OklahomaPreset Drilling, LLC Spaeth, Justin Woodward OklahomaPresidium Energy LC Miller, Jordan Traverse City MichiganPresidium Energy LC Miller, Shane Traverse City MichiganPresidium Energy, LC Erickson, Mark Traverse City MichiganPresidium Energy, LC Miller, John Traverse City MichiganPressler Petroleum Consultants Burley, Robert Houston TexasPressler Petroleum Consultants Pressler, Townes Houston TexasPressler Petroleum Consultants Sharrock, Jenny Houston TexasPreston Exploration, L.L.C. Dever, T.R. The Woodlands TexasPreston Exploration, LLC Abney, James The Woodlands TexasPreston Exploration, LLC Blue, Jesse The Woodlands TexasPreston Exploration, LLC Eubanks, Joe Spring TexasPreston Exploration, LLC Gentzler, Ronald The Woodlands TexasPrimal Energy Drake, M Houston TexasPrimal Energy Funkhouser, Casey Houston TexasPrimal Energy Funkhouser, Paul Houston TexasPrime Energy Jennings, David Houston TexasPrime Offshore L.L.C. Andress, Russ Houston TexasPrime Offshore L.L.C. Benard, Jamie Houston TexasPrime Offshore L.L.C. Brock, Jim Houston TexasPrime Offshore L.L.C. Nester, Douglas Houston TexasPrimexx Wilson, Travis Norman OklahomaPrimexx Operating Corp Abraham, Dwaine Dallas TexasPrimexx Operating Corp Aul, Kevin Dallas TexasPrimexx Operating Corp Fagadau, Thomas Dallas TexasPrimexx Operating Corp Holder, James H. Dallas TexasPrimexx Operating Corp Logan, Keith Dallas TexasPrimexx Operating Corp Nelson, Eric Dallas TexasPrimexx Operating Corp Portmann, Christopher Dallas TexasPrimexx Operating Corp Rogers, Debra Dallas TexasPrimexx Operating Corp Rogers, Debra Dallas TexasPrimexx Operating Corp. Portmann, Chris Dallas TexasPrism Gas Systems Adams, Gene Bedford TexasPrism Gas Systems, Inc. Thomas, Bernie Bedford TexasProbe Resources Diven, Paul Spring TexasProbe Resources Souders, Roger Spring TexasProduction Partners LLC Samuel, Bruce Lafayette LouisianaProfessional Engineer Verm, Michael Willis TexasProlific Energy, LLC. Seale, John Dallas TexasProspect Capital Corporation Belzer, David New York New York


Company Registrant City State Country (if not U.S.)Prospect Capital Corporation Hull, Mark New York New YorkProtege Energy, LLC Coffman, Kevin Tulsa OklahomaProtege Energy, LLC Griffin, Matthew Tulsa OklahomaProton Operating Company Hlebichuk, David Houston TexasProvidence Energy Corp Allen, Mike Dallas TexasProvidence Energy Corp Allen, Will Dallas TexasProvidence Energy Group Harriman, Rachael Houston TexasProvidence Energy Group Wallis, Jennifer Houston TexasProvidence Technologies, Inc. Manatt, James Roswell New MexicoProvident Realty Advisors, Inc. Backes, Leon Dallas TexasProvident Royalties Schmidt, Patty Dallas TexasProvident Royalties, LLC Flanagan, William Dallas TexasProvident Royalties, LLC Jordan, Robert Dallas TexasProvident Royalties, LLC McCall, Alden Dallas TexasProvident Royalties, LLC Middleton, Winn Dallas TexasProvident Royalties, LLC Miller, Mark Dallas TexasProvince of Newfoundland & Labrador Allen, Fred St. John's NF and L CanadaProvince of Newfoundland & Labrador Hicks, Larry St. John's NF and L CanadaProvince of Newfoundland & Labrador Kendell, Brad St. John's NF and L CanadaProvince of Newfoundland & Labrador Rowe, Craig St. John's NF and L CanadaProvince of Newfoundland & Labrador Stead, Leona St. John's NF and L CanadaProvincial Oil Corp. Smith, Bryan Tulsa OklahomaPruet Offshore Company Moses, Robert Katy TexasPruet Oil Company LLC Cate, David Brandon MississippiPryme Oil & Gas, Ltd. Messer, Jo Marietta GeorgiaPryme Oil & Gas, Ltd. Messer, Kyle Houston TexasPryme Oil & Gas, Ltd. Messer, Ryan Houston TexasPryme Oil & Gas, Ltd. Pettett, Justin Houston TexasPSEG Texas Gannaway, Byron Dallas TexasPSI Midstream Pitcher, Eric Irving TexasPSI Midstream Partners Fitt, Richard Houston TexasPSI Midstream Partners, LP Powell, Robert Houston TexasPublic Gas Partners Frey, Michael Kennesaw GeorgiaPublic Gas Partners Howell, Chris Kennesaw GeorgiaPublic Gas Partners Reeves, Susan Kennesaw GeorgiaPucket Land Company Thomas, K. Jeter Englewood ColoradoPuckett Companies Wurtzbacher, Matthew Greenwood Village ColoradoPuckett Land Company Anderson, Ray Englewood ColoradoPuffin Petroleum Wells, Walter D. Houston TexasPulse Seismic Coleman, Neal Calgary Alberta CanadaPunta Gorda Resources LLC Fullerton, Hal Houston TexasPunta Gorda Resources LLC Lawley, Everett Houston TexasPurvis Operating Co. Bias, Clif Midland TexasPurvis Operating Co. Donaldson, D. Briggs Midland TexasPurvis Operating Co. Purvis, J. H. (Jim) Midland TexasPVR Midstream LLC Lentz, Randy Dallas TexasPVR Midstream LLC Matysiak, Bryan Dallas TexasQSCL Averill, Martin Dallas TexasQuantum Earth Corporation Padgett, Michael Houston TexasQuantum Energy Partners Jones, Jeffrey Albany TexasQuantum Energy Resources Kittler, Les Houston TexasQuantum Reservoir Impact Rickman, Felicia Houston TexasQuest Explorations Dobbs, Danny Lafayette LouisianaQuest Midstream Balaski, Tim Houston TexasQuest Midstream Partners, L.P Kelly, Paul Houston Texas


Company Registrant City State Country (if not U.S.)Quest Midstream Partners, L.P Phillips, Stacey Houston TexasQuest Midstream Partners, L.P Wetmore, Kristie Houston TexasQuest Midstream Partners, L.P. Watkins, Tonya Humble TexasQuest Resource Corp. Hochstein, Steve Bellaire TexasQuest Resource Corporation Bell, Kristy Oklahoma City OklahomaQuest Resource Corporation Bell, Stuart Oklahoma City OklahomaQuest Resource Corporation Boecking, Curt Oklahoma City OklahomaQuest Resource Corporation Bolton, David Oklahoma City OklahomaQuest Resource Corporation Bolton, David Oklahoma City OklahomaQuest Resource Corporation Culpepper, Ryan Oklahoma City OklahomaQuest Resource Corporation Dobson, Matt Oklahoma City OklahomaQuest Resource Corporation Forbau, Mike Oklahoma City OklahomaQuest Resource Corporation Gibbons, Erin Oklahoma City OklahomaQuest Resource Corporation Hledik, Cory Oklahoma City OklahomaQuest Resource Corporation Johnson, Jerris Oklahoma City OklahomaQuest Resource Corporation Johnson, Jerris Oklahoma City OklahomaQuest Resource Corporation Jones-Neal, Tamika Oklahoma City OklahomaQuest Resource Corporation Shephard-Wood, Skye Oklahoma City OklahomaQuest Resource Corporation Simmons, Bryan Bellaire TexasQuest Resource Corporation Turner, Robert Oklahoma City OklahomaQuest Resources Corporation Boecking, Curt Oklahoma City OklahomaQuestar E&P Thompson, Matthew Salt Lake City UtahQuestar Exploration & Productiion Campbell, Judy Denver ColoradoQuestar Exploration & Production Svendsen, Otto Tulsa OklahomaQuestar Exploration & Production Bocanegra, David Tulsa OklahomaQuestar Exploration & Production Watanabe, Mike Tulsa OklahomaQuestar Exploration & Production Nikkel, Robert Tulsa OklahomaQuesterre Energy Corporation Coldham, Peter Calgary Alberta CanadaQuesterre Energy Corporation Tityk, Rick Calgary Alberta CanadaQuicksilver Gupton, Crawford Fort Worth TexasQuicksilver Gas Services LP Atkins, Orin Fort Worth TexasQuicksilver Gas Services LP Cook, Jeff Fort Worth TexasQuicksilver Gas Services LP Darden, Thomas Fort Worth TexasQuicksilver Gas Services LP Herstein, Scott Fort Worth TexasQuicksilver Gas Services LP Ishmael, David Fort Worth TexasQuicksilver Gas Services LP Rupnow, Cliff Fort Worth TexasQuicksilver Gas Services LP Sanders, Kelly Fort Worth TexasQuicksilver Gas Services LP Thomas, Josh Fort Worth TexasQuickSilver Resources Inc. Callanan, John Fort Worth TexasQuickSilver Resources Inc. Duncan, Tom Fort Worth TexasQuickSilver Resources Inc. Dunn, Byron Fort Worth TexasQuickSilver Resources Inc. Gumbert, Stacy Fort Worth TexasQuickSilver Resources Inc. Hinton, John Fort Worth TexasQuickSilver Resources Inc. Nichols, John Fort Worth TexasQuickSilver Resources Inc. Page, Stan Fort Worth TexasQuickSilver Resources Inc. Pitzer, Clark Fort Worth TexasQuickSilver Resources Inc. Prather, Lindsay Fort Worth TexasQuintana Capital Group L.P. Chmelev, Alexander Houston TexasQuintana Capital Group L.P. Dexter, Stephen Houston TexasQuintana Capital Group L.P. Lawrence, Labanowski Houston TexasQuintana Capital Group L.P. Pinsonnault, Scott Houston TexasQuintana Capital Group L.P. Soetenga, Loren Houston TexasQuorum Business Solutions Fletcher, Scott Houston TexasQuorum Business Solutions, Inc. Costello, Chuck Houston TexasR & P Production, L.L.C. Freeman, Joe Tyler Texas


Company Registrant City State Country (if not U.S.)R & P Production, L.L.C. Gray, Carl Tyler TexasR W Squared, LLC Hughes, Daniel Houston TexasR. Harlow Energy Corp Harlow, Russell Prosper TexasR. Lacy Services, Ltd. Carpenter, Jim Longview TexasR. Lacy Services, Ltd. Crain, Rogers Longview TexasR. Lacy Services, Ltd. Dial, Dick Longview TexasR. Lacy Services, Ltd. Melton, Mickey Longview TexasR. Lacy Services, Ltd. Walker, Jamey Longview TexasR.J.M. Energy, Inc. Martin, Robert Mandeville LouisianaR.L. Adkins Corp. Adkins, Bob Sweetwater TexasR.L. Adkins Corp. Adkins, Bobby Dallas TexasR.L. Adkins Corp. Burk, Paul Dallas TexasR.L. Adkins Corp. Mathis, Rex Dallas TexasR.P. Small Baum, Jerry Houston TexasR.P. Small Beaumont, Ted Houston TexasR.P. Small Mann, CPL, Michael H Houston TexasR.P. Small Yoder, Nelson Houston TexasRadius Petroleum LLC Nabavian, Salar Dallas TexasRADPI.com Justice, William Lafayette LouisianaRailroad Commission of Texas Bujano, Gil Houston TexasRailroad Commission of Texas Grossman, Guy Houston TexasRailroad Commission of Texas Jones, Elizabeth Austin TexasRailroad Commission of Texas Varela, Rich Austin TexasRailroad Commission of Texas Way, Kathy Houston TexasRainey & Swinbank Rainey, J. Paul Corpus Christi TexasRainey & Swinbank Swinbank, Thomas W. Corpus Christi TexasRainmaker Energy Munn, Richard Spring TexasRalph E. Davis Associates, Barron, Allen Houston TexasRange Resources Derrick, Keith Oklahoma City OklahomaRange Resources Smith, Pat Oklahoma City OklahomaRange Resources Corp Haddock, William Houston TexasRange Resources Corporation Cole, James Houston TexasRange Resources Corporation Taylor, Mark Houston TexasRanger Investments, Inc Luke, Damian Longview TexasRAS Interests, Inc. Steward, Roger Dallas TexasRaven Hankins, Ruby Arlington TexasRBC Capital Markets Akins, Brian Indianapolis IndianaRBC Capital Markets Meek, Jason Houston TexasRBC Wealth Management Williamson, Eric Houston TexasRead & Stevens, Inc. Bradshaw, William Roswell New MexicoRead & Stevens, Inc. Luna, David Roswell New MexicoRead & Stevens, Inc. Maxey, John Roswell New MexicoRead & Stevens, Inc. Watson, Robert Roswell New MexicoReagan Energy Services, L.L.C. Reagan, Patrick Lafayette LouisianaRed Arrow Energy, LLC Hoffman, Mike Houston TexasRed Arrow Energy, LLC Hudson, Brock Houston TexasRed Arrow Energy, LLC Montemayor, Tereasa Houston TexasRed Arrow Energy, LLC Neilson, Robert Houston TexasRed Arrow Energy, LLC Overton, Carter Houston TexasRed Cloud Exploration Sylla, Kevin Lawrence KansasRED FORK ENERGY Miller, Bruce Tulsa OklahomaRed Oak Petroleum Polasek, Gary Abbott TexasRed River Oil & Gas, LLC Bean, Chris Shreveport LouisianaRed River Oil & Gas, LLC Bowman, John Shreveport LouisianaRed River Oil & Gas, LLC Haynie, Brown Shreveport Louisiana


Company Registrant City State Country (if not U.S.)Red River Oil & Gas, LLC Haynie, R. Brown Shreveport LouisianaRed River Oil & Gas, LLC Meaney, Trish Shreveport LouisianaRed River Oil and Gas, LLC Tinney, Tom Englewood ColoradoRed Technology Alliance Fallon, JD Houston TexasRed Technology Alliance Luszcz, Eric Houston TexasRed Willow Production Co. Baldwin, Monique Houston TexasRed Willow Production Co. Bullion, David Houston TexasRed Willow Production Co. Goodwin, Guy Houston TexasRed Willow Production Co. Richardson, Rex Ignacio ColoradoRed Willow Production Co. Rynott, Tim Ignacio ColoradoRed Willow Production Company Wickett, Nathan Houston TexasRedman Resources McMicken, Bryan Beach City TexasReef Oil & Gas Dixon, Bill Midland TexasReef Oil & Gas Companies Colquitt, Kellam Richardson TexasReef Oil & Gas Companies Dean, Howard Richardson TexasReef Oil & Gas Companies Farrar, Bill Richardson TexasReef Oil & Gas Companies Fife, III, Charles M. Richardson TexasReef Oil & Gas Companies Harrison, Lawrence Richardson TexasReef Oil & Gas Companies Jones, Shane Richardson TexasReef Oil & Gas Companies Sutcliffe, Neil Richardson TexasReese Energy Consulting Reese, Steve Edmond OklahomaRegal Advisory Services Mendoza, George Seal Beach CaliforniaRegal Petroleum, L.L.C. Hamilton, III, Richard J. Houston TexasRegions Insurance Comeaux, Andre Lafayette LouisianaRegions Insurance Thibeaux, Jr., Bernard Lafayette LouisianaRenaissance Alaska Landt, Mark R. Houston TexasRenard Resources Fox, David Missouri City TexasRepsol YPF Smart, David Spring TexasRepublic Farms Mitchell, Bill Crawford TexasReSearch Exploration, LLC Sanders, Ken The Woodlands TexasReSearch Exploration,LLC O'Koren, Mark The Woodlands TexasRPSEA Armaza, Felipe Sugar Land TexasRPSEA Beach, Steve Sugar Land TexasRPSEA Ming, Mike Sugar Land TexasRPSEA Mozisek, Danette Sugar Land TexasReserve Energy Exploration Fagan, Joseph Chagrin Falls OhioReserve Energy Exploration Haas, Joe Chagrin Falls OhioReserve Energy Exploration Holko, John Chagrin Falls OhioReserve Energy Exploration Kraus, Gregory Chagrin Falls OhioReservoir Geophysical Corporation Oakes, Larry Sugar Land TexasReservoir Geophysical Corporation Robinson, Jack Sugar Land TexasReservoir Geophysical Corporation Setlock, John Sugar Land TexasReservoir Geophysical Corporation Warren, Alton Sugar Land TexasReservoir Geophysical Corporation Warren, Carolyn Sugar Land TexasReservoir Visualization, Inc. Williams, P.G., Ralph A. Humble TexasResolute Natural Resources Alleman, Bill Denver ColoradoResolute Natural Resources Siepman, Bret Denver ColoradoResolve GeoSciences, Inc. Robinson, Don Katy TexasResolve GeoSciences, Inc. Robinson, Randall Katy TexasReunion Energy Services Gaines, Ken Shreveport LouisianaReunion Energy Services Mitchell, Thomas Shreveport LouisianaReunion Energy Services Porter, David Brian Shreveport LouisianaRev Opp Inc. Dover, Chris Houston TexasRFSAW Hartman, Clinton S. Richardson TexasRhodes Associates Fernand, Edward New York New York


Company Registrant City State Country (if not U.S.)Riceland Petroleum Co. Brown, Robert Lafayette LouisianaRiceland Petroleum Co. Gable, Douglas Lafayette LouisianaRiceland Petroleum Co. Gillette, Bill Lafayette LouisianaRiceland Petroleum Co. Gillette, Paula Lafayette LouisianaRichardson Barr & Co. Cordier, Don Houston TexasRichardson Barr & Co. Lande, Craig Houston TexasRichardson Barr & Co. Richardson, Scott Houston TexasRichmar Interests Inc. Hughart, Richard Nassau Bay TexasRidgeland Lawyer, Justin Palo Alto CaliforniaRidgeland Operating Company, LLC Farris, Bryan Provo UtahRidgeland Operating Company, LLC Lawrence, Kay Provo UtahRidgeland Operating Company, LLC Lawyer, Gary Provo UtahRidgeland Operating Company, LLC Sorensen, Amanda Provo UtahRidgeline Exploration, LLC Carroll, Stephen Houston TexasRidgewood Energy Tabor, Greg Houston TexasRidgewood Energy Corporation Bennett, Randy Houston TexasRight of Way Land Services Korpan, Myron Fort Worth TexasRiley Exploration LLC Meyer, Mark Blanchard OklahomaRiley Exploration LLC Riley, Kevin Blanchard OklahomaRiley Exploration, LLC Atkinson Jr., Harold Blanchard OklahomaRiley Exploration, LLC Kester, Steve Blanchard OklahomaRimrock Energy McCormick, Barbara Denver ColoradoRimrock Energy McCormick, Sanford Denver ColoradoRimrock Energy, LLC Dobkins, Terrell Denver ColoradoRimrock Energy, LLC King, George Denver ColoradoRimrock Energy, LLC Wilson, Wallace Denver ColoradoRio Brazos Energy Co. Cash, K.Paul Sunnyvale TexasRio Brazos Energy Co. Cash, Paul Sunnyvale TexasRippy Oil Company Rippy, Charlie Tyler TexasRippy Oil Company Rippy, James Tyler TexasRippy Oil Company Rippy, Reed Tyler TexasRising Star Energy English, Cynthia Dallas TexasRising Star Energy Flemming, Larry Dallas TexasRising Star Energy Grimm, Mike Dallas TexasRising Star Energy Krusz, Chris Dallas TexasRising Star Energy Pollard, Tamara Dallas Texas

River Capital Advisors McNeil, Sam Charlotte North Carolina

River Capital Advisors Perna, Peter Charlotte North Carolina

River Capital Advisors, Inc Roti, Gregory Charlotte North CarolinaRiver Stone Energy Campbell, Tom Kingwood TexasRiverbend E&P Kubicek, Rodney Houston TexasRiverbend E&P Newcomer, Randy Houston TexasRiverbend E&P Rice, Scott Houston TexasRiverbend Land Austin, Tyler Houston TexasRiverStone Energy, L.P. Fuller, Guy Kingwood TexasRiverStone Energy, L.P. Smith, Rick Kingwood TexasRiverstone Energy, L.P. Winn, Nancy Kingwood TexasRiviera Energy Corporation Gray, John Midland TexasRiviera Energy Corporation Guyton, Katherine Midland TexasRiviera Energy Corporation Guyton, Steve Midland TexasRiviera Energy Corporation Larsson, Todd Midland TexasRiviera Energy Corporation Longbotham, Jeffrey P. Midland TexasRiviera Energy Corporation Valdes, Rocky Midland Texas


Company Registrant City State Country (if not U.S.)Riviera Production Company Hauglum, Tony Corpus Christi TexasRiviera Production Company Kirk, David Corpus Christi TexasRiviera Production Company Moherek, Cheri Corpus Christi TexasRivington Capital Adivsors Ellisor, Gabe Houston TexasRLR Group Hebert, Robert Houston TexasRMPG Teselle, Roger Casper WyomingRobert A. Schroeder, Inc. Schroeder, Robert Mandeville LouisianaRobert E Webster Exploration Webster, Robert Irving TexasRock Energy Resources Harrington, Mark G. Houston TexasRock Energy, LLC Patty, Robert Bakersfield CaliforniaRock Solid Images Miyaoka, Mark Houston TexasRock Solid Images Taylor, Gareth Houston TexasRockford Energy Partners III, LLC Herrington, Murphy Tulsa OklahomaRockford Energy Partners III, LLC Loyd, Paul Tulsa OklahomaRockhopper Exploration PLC Bertani, Renato Salisbury United KingdomRockhopper Exploration PLC Bodecott, David Salisbury United KingdomRockhopper Exploration PLC Moody, Samuel Salisbury United KingdomRockhound Exploration, Inc. Kundysek, David Dallas TexasRockhound Exploration, Inc. Miller, Herbert Dell Dallas TexasRockhound Exploration, Inc. Miller, John Dallas TexasRockhound Exploration, Inc. Miller, R. Dell Dallas TexasRockhound Exploration, Inc. Miller, Robert Dallas TexasRocksource Energy Corp. Collins, Thomas Houston TexasRocksource Energy Corp. Hooton, Clell Houston TexasRocksource Energy Corp. Judy, Steve Houston TexasRocksource Energy Corp. Parnell, David Houston TexasRocksource Energy Corp. Pate, Karen Houston TexasRocksource Energy Corp. Pike-Smelley, Sylvia Houston TexasRocksource Energy Corp. Sannes, Jacob Houston TexasRocksource Energy Corp. Wilson, Bud Houston TexasRockwell Energy Ventures Boulet, David Lafayette LouisianaRodman & Renshaw Kessey, Scott Houston TexasRodman & Renshaw Smith, Cameron New York New YorkRodman & Renshaw Sydney-Smith, Emillie New York New YorkRodman & Renshaw Weidner, Bill New York New YorkRodman & Renshaw LLC Mabry, Chad Houston TexasRodman & Renshaw, LLC Masters, James New York New YorkRoemer Interests, Ltd Roemer, Lamar B. Houston TexasRoemer Oil Company Roemer Jr., Lamar B. Houston TexasRoff Oil & Gas, Ltd. Polleys, John Houston TexasRoger A. Soape, Inc. Soape, Roger Houston TexasRoger Martin Properties Martin, Ann Houston TexasRooster Petroleum Cronk, Doug Houston TexasRooster Petroleum, LLC Darcey, Tod Houston TexasRooster Petroleum, LLC Moore, Leslie Houston TexasRooster Petroleum, LLC Tamplain, Kenny Houston TexasRose Exploration Associates Brus, Cary Casper WyomingRose Exploration Associates Coskey, Robert Denver ColoradoRose Exploration Associates Gerard, Leo Denver ColoradoRose Exploration Associates Hardy, Edie Casper WyomingRose Exploration Associates Robinson, John Denver ColoradoRose Exploration Associates Smith, Timm Casper WyomingRose Joint Venture Kelleher, Patrick Houston TexasRose Rock Land Services Eischeid, Brian Norman OklahomaRoserock Land Services Heidbreder, Dustin Norman Oklahoma


Company Registrant City State Country (if not U.S.)Rosetta Resources Campbell, Charles Denver ColoradoRosetta Resources Harrington, Gordon Denver ColoradoRosetta Resources Rook, Douglas Houston TexasRosetta Resources Inc. Whittaker, Ray Houston TexasRosetta Resources, Inc. Chambers, Charles Houston TexasRosewood Resources Inc Gregory, Edwin Dallas TexasRosewood Resources, Inc. Ice, Geoff Dallas TexasRoundRock Capital Partners, LP Vig, Peter Dallas TexasRowoil Inc. Rowold, Horace Brownsboro TexasRowoil Inc. Rowold, Wade Brownsboro TexasRowoil, Inc. Walker, Christopher Tyler TexasRoxanna Oil Company DeMis, Bill Houston TexasRoxanna Oil Company Garvin, Julie Houston TexasRoxanna Oil Company Little, Eddie Houston TexasRoy Jackson Investments, Inc. Jackson, Roy Leander TexasRoyal Royalties Roman, Claudio Houston TexasRoyal Royalties Smith, Sebastian Houston TexasRoyalty Exploration LLC Hatcher, David Woodlands TexasRoyalty Exploration, LLC Baker, Don Spring TexasRoyalty Investment Ltd., Inc. Ellison, Bruce Houston TexasRoyalty Investment Ltd., Inc. White, Anderson B. Houston TexasRozel Energy, LLC Powell, James Lafayette LouisianaRTA Alsobrook, Gary Denver ColoradoRTA Freeman, Steven Houston TexasRTA Seay, Steve Houston TexasRTA Sharp, james Houston TexasRTA Stevens, James Houston TexasRTA Watts, Mike Houston TexasRTA Willis, Scott HoustonHouston TexasRubicon Oil & Gas, LLC Green, Gary Midland TexasRubicon Oil & Gas, LLC Hayes, Michael Midland TexasRubicon Oil & Gas, LLC Smith, Brett Midland TexasRuffin Petrolem Land Services Gibbens, Cole Lafayette LouisianaRuffin Petroleum Land Services Ruffin, Jared C. Lafayette LouisianaRusk, Bertagne & Associates Rusk, Donald Houston TexasRutter and Wilbanks Corporation Rutter, Aren Midland TexasRyan Petroleum, LLC Funk, Craig Oklahoma City OklahomaRyHolland Fielder, Inc Walblay, Ronald Brentwood TennesseeS&C Land Company Strait, Bill Morrilton ArkansasS.G. Interests Stillwagon, Douglas Houston TexasSabco Oil & Gas Corp Caudill, Christopher Houston TexasSabco Oil & Gas Corporation Stepanek, John Houston TexasSabco Oil & Gas Corporation Taylor, Leonard Amarillo TexasSabco Oil and Gas Corporation Desforges, Cheryl Houston TexasSabco Oil and Gas Corporation Dunning, Paul Houston TexasSabco Oil and Gas Corporation Fontenot, Linda Houston TexasSabco Oil and Gas Corporation Kaminski, April Houston TexasSabco Oil and Gas Corporation McClintock, Edward Houston TexasSabco Oil and Gas Corporation Motley, Roger Houston TexasSabco Oil and Gas Corporation Ramesh, A. Behrooz Houston TexasSabco Oil and Gas Corporation Saberioon, Ali Houston TexasSabco Oil and Gas Corporation Schubert, Ken Houston TexasSabco Oil and Gas Corporation Smith, Nita Amarillo TexasSabin Enterprises, LLC Sabin, Leonard Arlington TexasSage Petroleum Henderson, Don Denver Colorado


Company Registrant City State Country (if not U.S.)SA-JO Exploration, LLC Gatewood, Dan Midland TexasSalamander Energy Oil & Gas Bishop, John Houston TexasSalinas Energy Corporation Wagner, Greg Bakersfield CaliforniaSalinas Energy Ltd Channon, Greg Perth AustraliaSams Exploration Inc Sams PHD, Richard Atlanta GeorgiaSamson Anderson, Greg Denver ColoradoSamson Ardoin, Rusty Tulsa OklahomaSamson Burgman, Carl Tulsa OklahomaSamson Clawson, Casey Tulsa OklahomaSamson Cox, Brent Tulsa OklahomaSamson Crain, Chris Tulsa OklahomaSamson Crooks, Justin Tulsa OklahomaSamson Curtis, John Tulsa OklahomaSamson Fenton, David Tulsa OklahomaSamson Fox, Ken Tulsa OklahomaSamson Frommer, Rich Denver ColoradoSamson Grantham, Randie Tulsa OklahomaSamson Highberger, Macey Tulsa OklahomaSamson Hollingshead, Ken Tulsa OklahomaSamson Jenkins, Mike Houston TexasSamson Milam, Stephen Tulsa OklahomaSamson Miller, Robert Tulsa OklahomaSamson Parsons, James Denver ColoradoSamson Pickup, Barb Tulsa OklahomaSamson Richardson, Amy Tulsa OklahomaSamson Schaffitzel, Robert Tulsa OklahomaSamson Stacy, Steve Denver ColoradoSamson Vanderyt, Kurt Tulsa OklahomaSamson Wheatley, Todd Tulsa OklahomaSamson White, Paul Tulsa OklahomaSamson Winters, Mark Tulsa OklahomaSamson Oil & Gas Limited Brandl, Brad Golden ColoradoSamson Oil & Gas Limited Butzen, Tracy Lakewood ColoradoSamson Oil & Gas Limited Gardner, Bob Lakewood ColoradoSamson Oil & Gas Limited Ninke, David Lakewood ColoradoSamson Resources Stacy, Laura Denver ColoradoSamsung Oil & Gas USA Corp. Jung, KyungTae Houston TexasSamsung Oil & Gas USA Corp. Stachura, Jerry Houston TexasSamuel Gary Jr. & Associates, Schiel, John Denver ColoradoSan Antonio Exploration, LLC Day, Johnny San Antonio TexasSan Antonio Minerals Mgmt, LLC Beiter, Kevin San Antonio TexasSan Antonio Minerals Mgmt, LLC Glennon, Joe San Antonio TexasSan Antonio Minerals Mgmt, LLC Harmon, Stephen San Antonio TexasSan Antonio Minerals Mgmt, LLC Heimmer, Don San Antonio TexasSan Isidro Dirks, Paul Corpus Christi TexasSan Isidro Hardwick, Harvey Corpus Christi TexasSan Isidro Sullivan, Joe Corpus Christi TexasSan Isidro Collins, Jim Corpus Christi TexasSan Isidro Garrick, Scott Corpus Christi TexasSan Isidro McCartney, Racheal Corpus Christi TexasSan Isidro Schepel, Kevin Corpus Christi TexasSan Jacinto Gathering Corp Pruatt, Martin Oklahoma City OklahomaSanchez Oil & Gas Corp. Hendrick, Steven Houston TexasSanchez Oil & Gas Corporation Funderburg, Debbie Houston TexasSanchez Oil & Gas Corporation Isaacs, Chad Houston Texas


Company Registrant City State Country (if not U.S.)Sanchez Oil & Gas Corporation Krecow, Frank Houston TexasSanchez Oil & Gas Corporation Mattalino, Mike Houston TexasSanchez Oil & Gas Corporation Nickerson, Randy Houston TexasSanchez Oil & Gas Corporation Ramsey, Robert Houston TexasSanchez Oil & Gas Corporation Walker, John Houston TexasSanchez Oil & Gas Corporation Wehmeyer, Christine Houston TexasSanctuary Oaks Van Der Loop, Mary Flatonia TexasSand Ridge Energy, Inc. Maxwell, Kathy Oklahoma City OklahomaSandalwood Oil & Gas, L.P. Adams, Audrey Houston TexasSandalwood Oil & Gas, L.P. Almond, Tony Houston TexasSandalwood Oil & Gas, L.P. Fleming, Phil Houston TexasSandalwood Oil & Gas, L.P. Francisco, Mick Houston TexasSandalwood Oil & Gas, L.P. Ligon, John Houston TexasSandalwood Oil & Gas, L.P. Simpson, Amelia Houston TexasSandalwood Oil & Gas, L.P. Smith, Daniel Houston TexasSandalwood Oil & Gas, L.P. Swenson, David Houston TexasSandRidge Energy Beaver, John-Mark Oklahoma City OklahomaSandRidge Energy, Inc Potts, Robert Oklahoma City OklahomaSandRidge Energy, Inc. Rigsby, David Oklahoma City OklahomaSandstone Energy Acquisitions Byram, Gregg Oklahoma City OklahomaSaratoga Resources, Inc. Clifford, Andy Houston TexasSarita Energy Resources, Ltd. Nelson, Charles Houston TexasSarita Energy Resources, Ltd. Nelson, Jr., Charles Houston TexasSarita Energy Resources, Ltd. Pena, Lynda Houston TexasSarita Energy Resources, Ltd. Sprague, Gloria Houston TexasSaur Minerals, L.L.C. Bernard, Eddie Lafayette LouisianaSaur Minerals, L.L.C. Hightower, Jim Lafayette LouisianaSaur Minerals, L.L.C. Schilling, Mike Lafayette LouisianaSaur Minerals, L.L.C. Tettleton, Dave Lafayette LouisianaSavannah Oil & Gas Brandon, Marcus Houston TexasSavannah Oil & Gas Morris, John Houston TexasSavannah Oil & Gas Sexton, Tim Houston TexasSaxet Petroleum, Inc. Davis, David Houston TexasSaxet Petroleum, Inc. Howard, Reggie Houston TexasSaxet Petroleum, Inc. O'Brien, Brian Houston TexasSaxet Petroleum, Inc. O'Brien, Robert Houston TexasSaxet Petroleum, Inc. Webb, Patrick Houston TexasSaxet Petroleum, Inc. Wilson, Danny Houston TexasSaxon Oil Company Green, Richard Dallas TexasSaxon Oil Company McGhee, Mickey Dallas TexasSaxon Oil Company McGhee, Timothy Dallas TexasSaxon Oil Company Nazareno, Patrice Dallas TexasSB Energy Partners Friedman, Kenneth Denver ColoradoSB Energy Partners Solich, Geoff Denver ColoradoSBM Upstream Ventures DePauw, Ralph Houston TexasSBM Upstream Ventures Hooks, T. Hill Houston TexasSBM Upstream Ventures Schoellhorn, W.H. Houston TexasSCA Nowak, Matthew Houston TexasSCA Riepe, Tim Houston TexasSCA, LLC Wright, Jason Houston TexasScavenger Exploration Jones, Karen Falls Church VirginiaSCFM Compression System, Inc. Reed, Hudson Houston TexasSchlumberger Atmaca, Serdar Houston TexasSchlumberger Coates, William Sugar Land TexasSchlumberger Gorski, Jeff Houston Texas


Company Registrant City State Country (if not U.S.)Schlumberger Hanson, Tom Houston TexasSchlumberger Kozman, Jess Houston TexasSchlumberger Lyons, Martyn Houston TexasSchlumberger Marcolino, Celina Houston TexasSchlumberger Matthews, Bill Houston TexasSchlumberger Meche, Herman Houston TexasSchlumberger Naranjo, Arelys Katy, TX 77450 TexasSchlumberger Powell, Bill Houston TexasSchlumberger Richmann, George Houston TexasSchlumberger Rodgers, Kirk Houston TexasSchlumberger Schulz, Kara Houston TexasSchlumberger Xue, Fangjian Katy TexasSchlumbrger Oilfield Services Egeli, Thorleif Houston TexasSchon Properties Schon, John Montoursville PennsylvaniaSchon Properties Schon, Samuel Montoursville PennsylvaniaSchonwald Land, Inc. Schonwald, Fred Oklahoma City OklahomaScotia Waterous Cecil, David Houston TexasScotia Waterous Farn, M. Grant Houston TexasScotia Waterous Green, Charlie Houston TexasScott, Douglass, & McConnico Whitworth, Flip Austin TexasScout Petroleum, L.L.C. Jones, Michael Houston TexasScout Petroleum, L.L.C. Jones, Thomas Yoakum TexasSE Property Acquisitions, Inc. Hallman, Deanna E. Jasper AlabamaSeaBird Exploration Padon, Matthew Houston TexasSeabrook Resources,Inc Sticker, Edwin Jackson MississippiSeaOne Corp. Hall, Bruce Houston TexasSegobia Consulting, LLC Segobia, Joe Cypress TexasSEI Energy Leimbrook, David Shreveport LouisianaSeidler Oil & Gas, LP Harkreader, Ernie Alvarado TexasSeidler Oil & Gas, LP Roberts, Dwight Alvarado TexasSEISCO Duthu, Aaron New Orleans LouisianaSEISCO, Inc. Lambert, Leslie New Orleans LouisianaSeisgen Exploration, Inc. DiFilippo, John Houston TexasSeisgen Exploration, Inc. Hall, William Houston TexasSeisgen Exploration, Inc. Kirk, Leslie Houston TexasSeisgen Exploration, Inc. Smith, Tab Houston TexasSeisLink Corp. Lee, Wook Sugar Land TexasSeisLink Corp. Merland, Serge Sugar Land TexasSeismic Assistants Sadler, John Houston TexasSeismic Assistants, Ltd Walton, David Houston TexasSeismic Exchange Martin, Krystal houston TexasSeismic Exchange Inc. Autrey, Jeff Houston TexasSeismic Exchange Inc. Booher, James Oklahoma City OklahomaSeismic Exchange Inc. Brown, Jason Denver ColoradoSeismic Exchange Inc. Cary, George Houston TexasSeismic Exchange Inc. Daves, Mark Houston TexasSeismic Exchange Inc. Eggerton, April Houston TexasSeismic Exchange Inc. Fortier, John Houston TexasSeismic Exchange Inc. Fuller, James Dallas TexasSeismic Exchange Inc. Grady, Edward Houston TexasSeismic Exchange Inc. Hardie, Julie Houston TexasSeismic Exchange Inc. Havens, John Houston TexasSeismic Exchange Inc. Havens, P.C. Houston TexasSeismic Exchange Inc. Johns, Randy Houston TexasSeismic Exchange Inc. Kasparek, Andrew Houston Texas


Company Registrant City State Country (if not U.S.)Seismic Exchange Inc. Kloppel, Steve Denver ColoradoSeismic Exchange Inc. Lester, Jeff Houston TexasSeismic Exchange Inc. Lipinski, Lana Denver ColoradoSeismic Exchange Inc. Mason, Shonda Houston TexasSeismic Exchange Inc. Moran, Tim Houston TexasSeismic Exchange Inc. Patrick, Beau Houston TexasSeismic Exchange Inc. Patrick, Robert Houston TexasSeismic Exchange Inc. Patton, Howard New Orleans LouisianaSeismic Exchange Inc. Smith, Sandi Dallas TexasSeismic Exchange Inc. Tull, Larry Dallas TexasSeismic Exchange Inc. Turnham, Elissa Houston TexasSeismic Exchange Inc. Welch, Clay Dallas TexasSeismic Exchange Inc. Williams, Layne New Orleans LouisianaSeismic Exchange, Inc. Brandt, Connie Oklahoma City OklahomaSeismic Exchange, Inc. Erwin, Melissa Houston TexasSeismic Exchange, Inc. Sumrow, Holly Dallas TexasSeismic Imaging Solutions Co. Hollis, Dan Sugar Land TexasSeismic Imaging Soultions Co Campbell, Eric Sugar Land TexasSeismic Micro-Technology Weindel, Richard SingaporeSeismic Micro-Technology, Inc. Atkinson, Kayla Houston TexasSeismic Micro-Technology, Inc. Bruce, Walter Houston TexasSeismic Micro-Technology, Inc. Dirden, Chris Houston TexasSeismic Micro-Technology, Inc. Donalson, Jerry Houston TexasSeismic Micro-Technology, Inc. Jones, Gary Houston TexasSeismic Micro-Technology, Inc. Kulbaba, Brian Houston TexasSeismic Micro-Technology, Inc. Luehr, Mitch Houston TexasSeismic Micro-Technology, Inc. Matin, Arshad Houston TexasSeismic Micro-Technology, Inc. Mott, Rene Houston TexasSeismic Micro-Technology, Inc. Qualls, Lisa Houston TexasSeismic Micro-Technology, Inc. Stephenson, Bill Houston TexasSeismic Micro-Technology, Inc. Taylor, Julie Houston TexasSeismic Micro-Technology, Inc. Vrana, Monica Houston TexasSeismic Micro-Technology, Inc. Yelverton, Judy Houston TexasSeismic Resources, LLC Landrum, Sonny Houston TexasSeismic Resources, LLP Swope, Zane Houston TexasSeismic Ventures Davis, Sara Stafford TexasSeismic Ventures Knoll, Tyler Stafford TexasSeismic Ventures Liles, Lisa Stafford TexasSeismic Ventures Martinez, Christina Stafford TexasSeismic Ventures Perez, Bobby Stafford TexasSeismic Ventures Rutherford, Steve Stafford TexasSeismic Ventures Saunders, Hank Stafford TexasSeismic Ventures Wells, Leron Stafford TexasSeisWare USA Paul, Doug Houston TexasSeitel Data Ltd Cuayo, Milly Houston TexasSeitel Data Ltd. Chapman, Elizabeth Houston TexasSeitel Data Ltd. Coleman, Russ Houston TexasSeitel Data Ltd. Freeman, Ray Houston TexasSeitel Data Ltd. Lemke, John Houston TexasSeitel Data Ltd. Lemke, Scott Houston TexasSeitel Data Ltd. Richard, David Houston TexasSeitel Data Ltd. Richard, Paul Houston TexasSeitel Data Ltd. Rocha, David Houston TexasSeitel Data Ltd. Sahinen, Steven Houston TexasSeitel Data Ltd. Sweeney, Mark Houston Texas


Company Registrant City State Country (if not U.S.)Seitel Data Ltd. Tillman, Kyle Houston TexasSeitel Data, Ltd. Harley, Jim Houston TexasSeitel Solutions Ltd Alvarez, Daisy Houston TexasSeitel Solutions Ltd Bynum, Randy Houston TexasSeitel Solutions Ltd Etchison, Justin Houston TexasSeitel Solutions Ltd Quinney, Michael Houston TexasSeitel Solutions Ltd. Cuba, Robert Houston TexasSeitel Solutions Ltd. Kelvin, Richard Houston TexasSeitel, Inc. Callaghan, Kevin Houston TexasSeitel, Inc. Hanson, Chris Houston TexasSeitel, Inc. Monson, Robert Houston TexasSeitel, Inc. Pharr, Robert (Eddie) Houston TexasSeitel, Inc. Simon, Robert Houston TexasSeminole Energy McDaniel, Brent Tulsa OklahomaSeminole Energy Services, LLC Dorey, Louis Tulsa OklahomaSendero Energy, Inc. Byrd, Lance Dallas TexasSendero Energy, Inc. Patton, Bryant Dallas TexasSendero Energy, Inc. Porter, Dave Dallas TexasSendero Energy, Inc. Smith, Vince Dallas TexasSendero Resources, Inc. Walters, Ted Tyler TexasSeneca Resources Corporation Cabell, Matthew Houston TexasSeneca Resources Corporation McMahan, Barry Houston TexasSeneca Resources Corporation Rider, Michael Houston TexasSeneca Resources Corporation Rossi, Jeanette Houston TexasSequel Energy LLC Johnston, Greg Houston TexasSequoia Peron, Phil Houston TexasSequoia Management, LLC Hutchinson, Ed Houston TexasSequoia Resources Salge, Steve Houston TexasSethi Oil & Gas Inc. Martinez, Julissa Murphy TexasSethi Oil & Gas Inc. Sethi, Praveen Plano TexasSeven D Oil & Gas, Inc. Daniel, Scott Houston TexasSeven Ls Jenkins, Steve Corpus Christi TexasSeven L's Mgt., LLC Long, Kyle Corpus Christi TexasSeven L's Mgt., LLC Long, Tom Corpus Christi TexasSG Americas Securities, LLC Allred, James Houston TexasSG Interests Clark, Dan Houston TexasSG Interests Frazier, Lanham Houston TexasSG Interests Gordy, Garrett Houston TexasSG Interests Gordy, Russell Houston TexasSG Interests Gordy, Shaun Houston TexasSG Interests Haertlein, Albert Houston TexasSHALE. TV Talley, Olive Fort Worth TexasSharon Resources, Inc. Besh, Randy Houston TexasSharon Resources, Inc. Burgher, Brian Houston TexasSharon Resources, Inc. Ferguson, Kip Houston TexasSharon Resources, Inc. Wilson, Jason Houston Texasshell boullion, andre Houston TexasShell Canada Energy Fasegha, Vincent Calgary Alberta CanadaShell E & P Company Pearce, Lester Houston TexasShell E&P Kopacz, Martin Houston TexasShell E&P Pulpan, Cliff Houston TexasShell Exploration & Production Al-Siyabi, Hisham Houston TexasShell Exploration & Production Bertagne, Allen Houston TexasShell Exploration & Production Chowdhury, Nitin Houston TexasShell Exploration & Production Eubanks, Brad Houston Texas


Company Registrant City State Country (if not U.S.)Shell Exploration & Production Henderson, Ginger Houston TexasShell Exploration & Production Mendez, Ruth Houston TexasShell Exploration & Production Rehnmark, Jannie Houston TexasShell Exploration & Production Zarrow, Lorraine Houston TexasShell International E&P, Inc. Veldkamp, Jacob Houston TexasSherwood United LLC Leatherbury, Ryan Houston TexasShoot the Moon Exploration Robertson, Jenna Oklahoma City OklahomaShoot the Moon Exploration Robertson, Tom Oklahoma City OklahomaShore Freeman Mills Mills, Jason Tyler TexasShore Freeman Mills PC Darby, Miles Longview TexasShoreline Energy LLC Beron, Larry Lafayette LouisianaShoreline Energy LLC Carpenter, Glenn Lafayette LouisianaShoreline Energy LLC Hess, Scott Lafayette LouisianaShoreline Energy LLC Hurley, Dan Lafayette LouisianaShoreline Energy LLC Jastram, Ben Lafayette LouisianaShoreline Energy LLC Wheeler, Randy Houston TexasShoreline Energy LLC Willoughby, Frank Houston TexasShoreline Gas, LLC Epps, Robert Corpus Christi TexasShoreline Gas, LLC Grisemer, Rian Corpus Christi TexasShoreline Gas, LLC Jurica, Allan Corpus Christi TexasShoreline Gas, LLC Mattice, Bob Corpus Christi TexasShoreline Gas, LLC Perkins, Ken Corpus Christi TexasShoreline Gas, LLC Sweitzer, Jana Corpus Christi TexasShoreline Gas, LLC Wade, Jamie Corpus Christi TexasShort OG Lane, Emyris Waco TexasShort OG Short, Cody Waco TexasShort OG Short, Michael Waco TexasSiemens Energy Finance Johnson, Chuck Houston TexasSien Energy Company Larabee, Kristi San Antonio TexasSien Energy Company Sien, David San Antonio TexasSien Energy Company Sien, Jennifer San Antonio TexasSierra Resources, LLC Brown, Timothy Houston TexasSierra Resources, LLC Eads, John Houston TexasSierra Resources, LLC Fabris, Robert Houston TexasSIGNALWRITE Baron, Richard Houston TexasSilvco Energy, LLC Shaikh, John Los Angeles CaliforniaSimmons & Company Intl. Wilmoth, Scott Houston TexasSimon Energy Associates, L.L.C. Banks, Howard Midland TexasSimon Energy Associates, L.L.C. Dragon, Ellie Midland TexasSimon Energy Associates, L.L.C. Kelley, Roger Midland TexasSimon Energy Associates, L.L.C. Mullican, Steve Midland TexasSimon Energy Associates, L.L.C. Siraki, Ernie Midland TexasSimon Energy Associates, L.L.C. Solansky, Sara Midland TexasSimon Energy Associates, L.L.C. Tuck, Byron Midland TexasSimon Energy Associates, L.L.C. Wollschlager, Larry Midland TexasSimon Land Services, Inc. Simon, Thomas Lafayette LouisianaSimon Property Group Ramey, Paula Indianapolis IndianaSimplifile, LC Herrera, Francisco The Woodlands TexasSisco, LLC Brown, Jason Denver ColoradoSKH Proske, Charlie Houston TexasSKH, Inc. Hatch, Keith Houston TexasSKH, Inc. Hugo, George Houston TexasSKH, Inc. Sigmund, Paul Houston TexasSKH, Inc. Taranto, Paul Houston TexasSlawson Exploration Company, Inc. King, David Houston Texas


Company Registrant City State Country (if not U.S.)Slawson Exploration Company, Inc. Roldan, Kathy Houston TexasSlawson Exploration Company, Inc. Slawson, Craig Houston TexasSlawson Exploration Company, Inc. Slawson, Steve Houston TexasSlawson Exploration Company, Inc. Vera, Willie Houston TexasSMH Capital Saalwachter, Ric Houston TexasSmith Interests Hardwick, Paul Houston TexasSmith Production Inc. Padgett, Art Spring TexasSMTGeoTech Houston Green, Dorothy Houston TexasSMU Cox School of Business Joiner, Bill Dallas TexasSMU Cox School of Business Piper, Stephen Dallas TexasSMU Cox School of Business Wood, Lanell Dallas TexasSnowmass Energy Partners LTD. Galloway, Laddie Abilene TexasSnowmass Energy Partners LTD. Taylor, Tom Abilene TexasSociete Generale Bullen, Graeme Houston TexasSociete Generale Hunter, Elizabeth Houston TexasSociety of Exploration Geophysicists Aminzadeh, Fred Tulsa OklahomaSociety of Exploration Geophysicists Emery, Stephen Tulsa OklahomaSociety of Exploration Geophysicists Fleming, Mary Tulsa OklahomaSociety of Exploration Geophysicists Lawnick, Jim Tulsa OklahomaSociety of Exploration Geophysicists Stein, Andrew Tulsa OklahomaSIPES Finley, William R. Dallas TexasSIPES Johnson, George S. Dallas TexasSIPES Maddox, Marc D. Dallas TexasSIPES McKinney, Patrick H. Dallas TexasSIPES Naumann, Jr., H. Jack Dallas TexasSIPES Norris, James M. Dallas TexasSIPES Peacock, Elwin M. Dallas TexasSIPES Shannon, Patrick J. Dallas TexasSogeti USA MaGee, Phil Houston TexasSojitz Energy Venture, Inc. Denman, Jeremy Houston TexasSojitz Energy Venture, Inc. Iwasaki, Toshi Houston TexasSojitz Energy Venture, Inc. Rimel, Alan Houston TexasSojitz Energy Venture, Inc. Uemura, Kosuke Houston TexasSonerra Resources Millard, George Nacogdoches TexasSonerra Resources Corporation Henderson, Scott Nacogdoches TexasSonerra Resources Corporation Herrera, Earl Nacogdoches Texas

Sonoran Ostenfeld-Rosenthal, Peter TexasSooietex Energy, Inc. Mitcham, Martin K. Dallas TexasSooner Offshore LLC Livingston, Alan Houston TexasSotex Fuels, LLC Marshall, Patrick The Woodlands TexasSotex Fuels, LLC McCabe, Brett The Woodlands TexasSotex Fuels, LLC Miller, David The Woodlands TexasSource People Houston, Suzy Houston TexasSource People Hurtado, Albert Houston TexasSouth Texas Oil Corporation Grubb, James Houston TexasSouthern Bay, LLC. Merrifield, Tim Houston TexasSouthern Land Associates, LLC Bernos, Milton Metairie LouisianaSouthern Land Services Taylor, William Fairview TexasSouthern Star Energy Inc. Gibbs, Dave Houston TexasSouthern Star Operating Inc. Boehnke, Eric Vancouver BC CanadaSouthwest Royalties, Inc. Howard, Randy Midland TexasSouthwestern Energy Angel, Jen Houston TexasSouthwestern Energy Engle, Michael Houston TexasSouthwestern Energy Myers, Melissa Houston Texas


Company Registrant City State Country (if not U.S.)Southwestern energy Nwabuzor, Henry Houston TexasSouthwestern Energy Stephenson, Drew Houston TexasSouthwestern Energy Williams, Matt Houston TexasSouthwestern Energy Company Edgar, Joe Houston TexasSouthwestern Energy Company Gerome, Paul Houston TexasSouthwestern Energy Company Gerrish, John Houston TexasSouthwestern Energy Company Moorman, Richard Houston TexasSouthwestern Energy Company Ulrich, Robert Houston TexasSouthwestern Energy Corp. Boling, Mark Houston TexasSouthwestern Energy Production Sheets, Sam Houston TexasSouthwestern Energy Production Wetegrove, Charles Houston TexasSouthwestern Energy Production Glaug, Rachael Houston TexasSovereign Bank Spicer, Sam Dallas TexasSovereign Bank Stehr, Rusty Dallas TexasSp domestic Portnoy, Sean Plano Texassp domestic portnoy, Steven Plano TexasSpartan Petroleum Corporation Jones, Larry Houston TexasSpatial Energy Dianich, Bret Boulder ColoradoSpatial Energy Leidig, Daneen Boulder ColoradoSpatial Energy Pope, Kenneth Boulder ColoradoSpectra Energy Kelley, Ron Houston TexasSpectraseis Peebles, Bob Houston TexasSpectrum Ali, Asif Houston TexasSpectrum Snowman, Leo Houston TexasSpectrum Geo Inc. Dewildt, John Houston TexasSpindletop Oil & Gas Co. Mazzini, Chris Dallas TexasSpyglass Energy Group LLC Matson, Shane Tulsa OklahomaSpyglass Energy Group LLC Wickstrom, Charles Tulsa OklahomaSquare One Corporation Owens, Kenneth Midland TexasSRI Prabhakar, Vish Houston TexasSt Mary Land & Exploration Urie, Andrew Billings MontanaSt. Mary Land & Exploration Downs, William Shreveport LouisianaSt. Mary Land & Exploration Dubiel, David Shreveport LouisianaSt. Mary Land & Exploration Eck, Mark Tulsa OklahomaSt. Mary Land & Exploration Kindrick, Kevin Houston TexasSt. Mary Land & Exploration Knott, Kenneth Houston TexasSt. Mary Land & Exploration Leyendecker, Greg Houston TexasSt. Mary Land & Exploration Purcell, Dave Houston TexasSt. Mary Land & Exploration Co Stanford, Charles Tulsa OklahomaSt. Mary Land & Exploration Co. Burns, Karen Shreveport LouisianaSt. Mary Land & Exploration Co. Cody, Mark Houston TexasSt. Mary Land & Exploration Co. Perkins, Tim Houston TexasSt. Mary Land & Exploration Company Buckley, Randy Tulsa OklahomaSt. Mary Land & Exploration Company Flurry, Clayton Shreveport LouisianaSt. Mary Land & Exploration Company Koehling, Dan Tulsa OklahomaSt. Mary Land & Exploration Company Lothringer, Carl Houston TexasSt. Mary Land & Exploration Company Lynn, Bob Houston TexasSt. Mary Land & Exploration Company Selvius, Doug Houston TexasSt. Mary Land and Exploration Erlandson, James Billings MontanaSt. Mary Land Exploration Dunham, Mark E. Shreveport LouisianaStalker Energy, L.P. Brown, Mark San Antonio TexasStalker Energy, L.P. Cagle, Clint Austin TexasStalker Energy, L.P. Dawson, Doug Austin TexasStalker Energy, L.P. McDavid, Dax Austin TexasStalker Energy, L.P. O'Keefe, Caroline Austin Texas


Company Registrant City State Country (if not U.S.)Stalker Energy, L.P. Sinex, Todd Houston TexasStalker Energy, L.P. Treadaway, Bud Houston TexasStalker Energy, L.P. Walker, William Austin TexasStallion Oilfield Services Gallio, John Houston TexasStallion Oilfield Services Moore, Michael Houston TexasStandard & Poor's Edwards, Rick Dallas TexasStandard & Poor's Stocker, Bronson Dallas TexasStandley & Company, LLC Standley, Ed Fort Worth TexasStanford Oil & Gas Lui, Lawrence San Francisco CaliforniaStanford Oil & Gas, LLC Joyner, Thad College station TexasStanotex LLC Cole, David Katy TexasStanotex LLC James, Andrew Austin TexasStanotex LLC Leonard, Mark Katy TexasStanotex LLC McMullin, Albert Katy TexasStarhand Corporation Keene, Stephen Red Oak TexasStatoilHydro USA E&P Inc. Williams, Morrison Houston TexasSteamboat Exploration Company Johnson, Tom Cypress TexasStedman West Interests, Inc. Stedman, Stuart Houston TexasStephen Smith, Inc. Smith, Stephen Grand Junction ColoradoStephens Energy Company LLC McCarthy, Andy Denver ColoradoStephens Energy Company LLC Schwartz, Dirk Denver ColoradoStephens Production Company Barrett, Dave Houston TexasStephens Production Company Boland, Gary Fort Smith ArkansasStephens Production Company Ensley, Mike Fort Smith ArkansasStephens Production Company Jeffers, Patricia Houston TexasStephens Production Company Lanoue, Glenn Fort Smith ArkansasStephens Production Company Read, David Fort Smith ArkansasStephens Production Company Walker, William Fort Smith ArkansasStephens Production Company LLC Gensamer, Alan Houston TexasStephens Production Company, LLC Whitaker, Wm. Robert Houston TexasStephens Production Company,LLC Barnes, Charles Houston TexasSterling Energy Daigle, Lori Houston TexasSterling Energy, Inc. Brouillette, John Houston TexasSterling Energy, Inc. Dean, James Houston TexasSterling Energy, Inc. Gonzalez, Ayde Houston TexasSterling Energy, Inc. Henry, Vernon Houston TexasSterling Energy, Inc. McMoran, William Houston TexasSterling Energy, Inc. Pankonien, Glen Houston TexasSterling Energy, Inc. Romero, Bea Houston TexasSterling Resources LTD Gibson, Stewart ScotlandSterling Seisimc Services, Ltd. Omvig, John J Littleton ColoradoSterling Seismic Services Sterling, John Littleton ColoradoSteward Oil & Gas, LLC Steward, David Fairfield TexasStone Energy Frederick, Stacey Lafayette LouisianaStone Energy Gidman, Barry Lafayette LouisianaStone Energy Groth, Lou Lafayette LouisianaStone Energy Pickard, James Lafayette LouisianaStone Energy Smith, Rich Lafayette LouisianaStone Energy Villarreal, Drew Lafayette LouisianaStone Energy Whipp, Charley Lafayette LouisianaStone Energy Corporation Cox, Mike Lafayette LouisianaStone Energy Corporation Davis, Kent Castle Rock ColoradoStone Energy Corporation Overcash, Kim Englewood ColoradoStonegate Production Cade, Randall Houston TexasStonegate Production Company Abrant, William Houston Texas


Company Registrant City State Country (if not U.S.)Stonegate Production Company Breedlove, Karen Houston TexasStonegate Production Company Butler, Ed Houston TexasStonegate Production Company Cendrowski, Ron Houston TexasStonegate Production Company Childers, W. Houston TexasStonegate Production Company Johnson, Stephen Houston TexasStonegate Production Company Moore, Gary Lance Houston TexasStonegate Production Company, LLC Bland, Ted Houston TexasStonegate Production Company, LLC Mattalino, Terry Houston TexasStonegate Production Company, LLC Rowe, Richard Houston TexasStonegate Resources, LLC Blake, Jason Park City UtahStonegate Resources, LLC Blake, Tina Park City UtahStonegate Resources, LLC Noblitt, Eric Park City UtahStonegate Resources, LLC Wilson, Heggie Park City UtahStrago Petroleum Corporation Goza, Bud Houston TexasStrago Petroleum Corporation Lewis, John R. Houston TexasStrago Petroleum Corporation Strahan, R. K Houston TexasStrago Petroleum Corporation Strahan, Sydney Houston TexasStratagex Roth, Jerry Houston TexasStratagraph, Inc. Fuhrmann, Ernest Lafayette LouisianaStratagraph, Inc. Hagan, William Lafayette LouisianaStratum Holdings Wright, II, Larry Houston TexasStriker Oil & Gas, Inc. DeGraffenreid, Jim Houston TexasStriker Petroleum Knepper, David Frisco TexasSTX Energy Co, Ltd. Kim, Booyong Seoul South KoreaSTX Energy Co., Ltd. Park, Changhyup Seoul KoreaSTX Petro Properties Cloninger, Matt Victoria TexasSTX Petro Properties, LLC Kelly, Jim Laredo TexasSubsea Hydraulic Leads Drapela, James Houston TexasSuemaur Exploration & Production Moherek, Anthony Corpus Christi TexasSuemaur Exploration & Production Devlin, James Corpus Christi TexasSuemaur Exploration & Production Hopkins, Brent Corpus Christi TexasSuemaur Exploration & Production James, Charles Corpus Christi TexasSuemaur Exploration & Production Maxwell, Robert Corpus Christi TexasSulphur River Exploration, Inc Corey, Jr., Rex Dallas TexasSumitomo Corporation Kamisago, Takuya Houston TexasSun Coast Land Services Thomas, Russell Lafayette LouisianaSun Resources NL Battrick, Matthew West Perth AustraliaSunbelt Resources, Inc. Tighe, Bowman Ridgeland MississippiSuncoast Land Service, Inc Thomas, Jerry lafayette LouisianaSuncoast Land Services Ackal, Gabe lafayette LouisianaSuncoast Land Services Blanchard, Larry Lafayette LouisianaSunCoast Land Services Boudreaux, David Houston TexasSunCoast Land Services Gardiner, William Lafayette LouisianaSuncoast Land Services Thomas, Eric Lafayette LouisianaSunCoast Land Services Truxillo, Tony Lafayette LouisianaSunCoast Land Services Wright, Carolyn lafayette LouisianaSunCoast Land Services, Inc. Arabie, David Lafayette LouisianaSunCoast Technical Services, Inc. Henninger, Richard Plano TexasSunCoast Technical Services, Inc. Kimbrell, John Plano TexasSunCoast Technical Services, Inc. Shaw, Ron Plano TexasSunCoast Technical Services, Inc. Williams, Bill Plano TexasSundown Energy Tennison, Steven Dallas TexasSungroup Latief, Rennier Jakarta IndonesiaSunnyside Resources, Inc. Ellis, Randi Baton Rouge LouisianaSunnyside Resources, Inc. Hanks, J.B. Baton Rouge Louisiana


Company Registrant City State Country (if not U.S.)Sunnyside Resources, Inc. Johnson, Harry Baton Rouge LouisianaSunnyside Resources, Inc. Judice, Phil Baton Rouge LouisianaSunnyside Resources, Inc. Landry, Lee Baton Rouge LouisianaSunnyside Resources, Inc. Lea, Gregg Baton Rouge LouisianaSunnyside Resources, Inc. McCord, Charles Baton Rouge LouisianaSunnyside Resources, Inc. McCord, Todd Baton Rouge LouisianaSunnyside Resources, Inc. Richardson, Ted Baton Rouge LouisianaSunnyside Resources, Inc. Selser, John Baton Rouge LouisianaSuntron Bateman, Mike Sugar Land TexasSuperior Concrete Products Clarke, Calvin Euless TexasSuperior Concrete Products Sternfeld, Todd Euless TexasSuperior Energy Services Prejean, John Houston TexasSurdex Burkham, Randy Richmond TexasSwanson Oil & Gas, Inc. Swanson, Steve Denver ColoradoSwift Energy Operating LLC Wood, Brandon Houston TexasSwift Energy Operating, LLC Addison, Peter Houston TexasSwift Energy Operating, LLC Branca, John Houston TexasSwift Energy Operating, LLC Clem, Kirk Houston TexasSwift Energy Operating, LLC Glover, Michael Houston TexasSwift Energy Operating, LLC Greenwood, Leatha Houston TexasSwift Energy Operating, LLC Guidry, Brandon Houston TexasSwift Energy Operating, LLC Hill, Lynn Houston TexasSwift Energy Operating, LLC Kimberlin, Richard Houston TexasSwift Energy Operating, LLC Mann, Drew Houston TexasSwift Energy Operating, LLC Matthews, Justin Houston TexasSwift Energy Operating, LLC McKeown, Jay Houston TexasSwift Energy Operating, LLC Milne, Bonnie Houston TexasSwift Energy Operating, LLC Sledge, Carol Houston TexasSwift Energy Operating, LLC St. Onge, Jim Houston TexasSwift Energy Operating, LLC Sumrall, Rick Houston TexasSwift Energy Operating, LLC Tingen, Dale Houston TexasSwift Energy Operating, LLC Williams, Wilbur Houston TexasSylvan Energy Fogarty, Michael Pittsburgh PennsylvaniaSylvan Energy Land, John Pittsburgh PennsylvaniaSylvan Energy, LLC Costello, Debra Pittsburgh PennsylvaniaSylvan Energy, LLC Costello, Oliver Pittsburgh PennsylvaniaSylvan Energy, LLC Emamzadeh, Many Pittsburgh PennsylvaniaSylvan Energy, LLC Kidwai, Mohammed Pittsburgh PennsylvaniaSylvan Energy, LLC Reynolds, Santiago Pittsburgh PennsylvaniaSylvan Energy, LLC Sulllivan, Neil Pittsburgh PennsylvaniaSynergy Energy Adams, Tracy Richardson TexasSynergy Oil & Gas, L.P. Carnes, Mark Houston TexasSynergy Oil & Gas, L.P. Raper, Chris Houston TexasSynergy Oil & Gas, LP Cribbs, Jason Houston TexasSynergy Oil & Gas, LP King, Duane Houston TexasSynergy Oil & Gas, LP Robin, Jon Houston TexasSynergy Oil & Gas, LP Unverferth, Jim Houston TexasSYSCO Corporation Bujanowski, Bernadette Houston TexasT. Baker Smith, Inc. Boswell, Boyd Lafayette LouisianaT. Baker Smith, Inc. Briggs, Brian Lafayette LouisianaT. Baker Smith, Inc. Comeaux, Jude Lafayette LouisianaT. Baker Smith, Inc. Cormier, David Stafford TexasT. Baker Smith, Inc. Faul, Travis Stafford TexasT. Baker Smith, Inc. Ford, Toby Lafayette LouisianaT. Baker Smith, Inc. Meche, Adam Lafayette Louisiana


Company Registrant City State Country (if not U.S.)T. Baker Smith, Inc. Schatzle, Richard Prairieville LouisianaT. Baker Smith, Inc. Schouest, Paula Houma LouisianaT. Baker Smith, Inc. Trahan, Brady Lafayette LouisianaT.C.W. Tharp, Larry Houston TexasT.S. Dudley Land Company, Inc. Dudley, Tom Houston TexasT3 Energy Services Espinosa, Richard Houston TexasTAE Properties, Inc. Franson, Eric Roanoke TexasTAE Properties, Inc. Furst, Rob Roanoke TexasTAE Properties, Inc. Peters, Dan Roanoke TexasTaladro Resources Inc. Baccus, James Houston TexasTalisman Energy Inc. Bradley, James Alberta CanadaTalisman Energy Inc. Miles, Renee Calgary Alberta CanadaTalisman Energy Inc. Phung, David Calgary Alberta CanadaTalisman Energy Inc. Walz, Russ Calgary Alberta CanadaTalisman Energy, Inc. Deutscher, Ross Alberta CanadaTam International Crooks, John Houston TexasTamarack Petroleum Co., Inc. Liem, Robert Midland Texas

Tamarack Petroleum Company, Inc.McKeithan-Gebhardt, Debora Milwaukee Wisconsin

Tammany Oil & Gas Ness, Ron Covington LouisianaTammany Oil & Gas Nieswiadomy, Nathan Houston TexasTammany Oil & Gas LLC Jordan, John Houston TexasTandem Partners Beren, Avi Wesley Hiils New YorkTANDEMM Partners Beren, Noah New York New YorkTanglewood Exploration Scott, Jeff Fort Worth TexasTanglewood Exploration Scott, Tom Fort Worth TexasTanglewood Exploration Wolsey, Randy Fort Worth TexasTanos Exploration, LLC Pollard, Nick Tyler TexasTap Oil & Gas Black, Tony Austin TexasTaqa North Ltd. Churcher, Peter Calgary Alberta CanadaTaqa North Ltd. Sikora, Gary Calgary Alberta CanadaTarga Johnson, Rick Denton TexasTarga Miller, Jon Graham TexasTarga Resources McCown, Steven Denton TexasTarga Resources Tamplen, Randy Denton TexasTarge Energy E&P Anania, Joseph Pittsburgh PennsylvaniaTarge Energy E&P Edwards, Kevin Denver ColoradoTarget Energy Limited Roe, Laurence West Perth AustraliaTauber Exploration & Production Co. Kramberger, Jack Houston TexasTauber Exploration & Production Co. Kubiak, Connie Houston TexasTauber Exploration & Production Co. Robinson, John Houston TexasTauber Exploration & Production Co. Sassin, Joe Houston TexasTauber Exploration & Production Co. Tade, Tim Houston TexasTauber Exploration & Production Co. Tauber, David Houston TexasTauber Exploration & Production Co. Tauber, Richard Houston TexasTauber Exploration & Production Co. Voight, David Houston TexasTauber Oil Company Happ III, John Houston TexasTauber Oil Company Thomas, Earl Houston TexasTaylor Hyden Petro Land Serv. Hyden, Taylor Corpus Christi TexasT-C Oil Company Childress, Gary Refugio TexasT-C Oil Company Franklin, Christopher Refugio TexasT-C Oil Company Gilster, Ralph Refugio TexasT-C Oil Company Hardy, Warren Refugio TexasT-C Oil Company Pulliam, Tim Refugio TexasT-C Oil Company Scotten, Steven Refugio Texas


Company Registrant City State Country (if not U.S.)TC Technologies Goloby, Mark V. Houston TexasTCB Land Services, Inc Harris, Dal Victoria TexasTCB Land Services, Inc. Harris, Liz Victoria TexasTeal Energy USA Inc. Haye, Edward Houston TexasTeal Energy USA Inc. Krancer, Anthony Houston TexasTeal Energy USA Inc. Krancer, Diana Houston TexasTeal Energy USA Inc. Langston, Chip Houston TexasTeam Energy Swager, Dennis Bridgeport IllinoisTeam Invest, Inc Oge, David Longview TexasTeam Invest, Inc. Andres, Roger Longview TexasTeam Invest, Inc. Cook, Chris Longview TexasTeam Invest, Inc. McMurrey, Joe Longview TexasTeam Invest, Inc. Taylor, Al Longview TexasTeam Search Inc. Crowley, James E. Fort Worth TexasTechnology Laboratory, Inc. Betters, Bill Fort Collins ColoradoTechnology Laboratory, Inc. Fangman, Kate Fort Collins ColoradoTed W Walters & Associates LP Brevard, Paul Tyler TexasTed Walters & Associates Brevard, Amber Beckville TexasTEIKOKU Ishise, Yas Houston TexasTeikoku Oil Company, LTD Smith, Jerry Houston TexasTejas Western Corp. Carey, R. R. Granbury TexasTeledrill Kusko, Jim Katy TexasTeledrill, Inc. Kusko, David Katy TexasTellus Operating Group, LLC BARNES, NEIL Ridgeland MississippiTellus Operating Group, LLC CLARKE, BOBO Ridgeland MississippiTellus Operating Group, LLC COOK, GRAHAM Ridgeland MississippiTellus Operating Group, LLC FOSTER, DANNY Ridgeland MississippiTellus Operating Group, LLC MORRISON, CHARLES Ridgeland MississippiTellus Operating Group, LLC SIMS, BRIAN Ridgeland MississippiTema Oil & Gas Company Cline, Mike Houston TexasTema Oil & Gas Company Lee, Gene Houston TexasTema Oil & Gas Company McCreary, John Houston TexasTema Oil & Gas Company Schneider, Jim Houston TexasTema Oil & Gas Company Townsend, Alan Houston TexasTema Oil and Gas Company Gordon, Janet Houston TexasTempest Energy Resources Brown, William Houston TexasTempest Energy Resources Cashon, Tim Dallas TexasTempest Energy Resources Stanger, Mark L. Dallas TexasTensas Production Company, LLC Nolan, Rob Tuscaloosa AlabamaTerralliance Bremkamp, Stephen Houston TexasTerralliance Khan, Azad Houston TexasTerralliance Rauch-Davies, Marianne Houston TexasTerralliance Smith, Paul Houston TexasTeton Energy Corporation Bosher, Rich Denver ColoradoTexas A&M University Hull, Thomas College Station TexasTexas Alliance of Energy Producers Baker, Jo Ann Wichita Falls TexasTexas Alliance of Energy Producers Brown, Donna Wichita Falls TexasTexas Alliance of Energy Producers Metzler, Mark Wichita Falls TexasTexas Alliance of Energy Producers Simon, Sandi Wichita Falls TexasTexas American Resources De Vito, Steve Austin TexasTexas American Resources Swartwout, Robert Denver Colorado

Texas American Resources Company Rhoden, Eric Austin Texas

Texas American Resources Company Shaw, Stanford Austin Texas



Texas American Resources Company Williams, Lawrence Bryant Austin TexasTexas Capital Bank Cowan, Chris Dallas TexasTexas Capital Bank Davis, John Dallas TexasTexas Capital Bank Glosson, Robert Dallas TexasTexas Capital Bank Gregory, Jonathan Houston TexasTexas Capital Bank Petet, Brian Dallas TexasTexas Capital Bank Treadway, Jeff Houston TexasTexas Coastal Oil & Gas, LLC Baxter, Bob Houston TexasTexas Coastal Oil & Gas, LLC Holley, Jr., Robert J. Houston TexasTexas Coastal Oil & Gas, LLC Roberts, Jeff Houston TexasTexas Coastal Oil & Gas, LLC Taylor, Mark Houston TexasTexas Crude Energy, Inc. O'Brien, Doug Houston TexasTexas Crude Energy, Inc. Weiner, KC Houston TexasTexas General Land Office Mesiroff, John Austin TexasTexas General Land Office Reid, Drew Austin TexasTexas General Land Office Rosenbaum, Glenn Austin TexasTexas Independent Exploration Alvarez-Wiemann, Steven Houston TexasTexas Independent Exploration Jacobson, John Houston TexasTexas Independent Exploration Suhr, Ed Houston TexasTexas Independent Exploration Zimmerman, Rick Houston TexasTexas Lone Star Petroleum Corp. COBBS, JEFF Corpus Christi TexasTexas Lone Star Petroleum Corp. Cobbs, Jerry Corpus Christi TexasTexas Lone Star Petroleum Corp. Miller, Ron Corpus Christi TexasTexas Lone Star Petroleum Corp. Simmons, Brad Corpus Christi TexasTexas Memory Systems, Inc. Stone, Kelly Houston TexasTexas Motor Speedway Damon, David Fort Worth TexasTexas Motor Speedway Damon, David Ft. Worth TexasTexas Motor Speedway Mitchell, Hilary Fort Worth TexasTexas Motor Speedway Mitchell, Hillary Fort Worth TexasTexas Motor Speedway Weed, Lori Fort Worth TexasTexas Motor Speedway Weed, Lori Fort Worth TexasTexas Oil & Gas Association Ennis, William Austin TexasTexas Oil & Gas Association Looney, Robert Austin TexasTexas Oil & Gas Association Pollard, Lisa Austin TexasTexas Oil & Gas Association Radomski, Mandy Austin TexasTexas Onshore Energy Goss, John Houston TexasTexas Onshore Energy, Inc. Whittington, Scott Houston TexasTexas Petroleum Investment Co. Schier, Brad Houston TexasTexas ReExploration Hillin, Bobby Houston TexasTexas ReExploration, L C Brooks, Dean Midland TexasTexas Royalty Corp. Cersonsky, Dora Austin TexasTexas Royalty Corp. Fain, Janna Austin TexasTexas Royalty Corp. Keathley, Kelly Austin TexasTexas Royalty Corp. Schoonover, Tom Austin TexasTexas Shale Gas Resources, LLC Adams, Glenn Fort Worth TexasTexas Shale Gas Resources, LLC Thursby, John Fort Worth TexasTexasFile LLC Bottom, E Brent Corpus Christi TexasTexasFile LLC Smith, Jason Corpus Christi TexasTexcel Exploration, Inc. Stapp, Darlene Bonham TexasTexcel Exploration, Inc. Stapp, David Bonham TexasTexla Energy Management, Inc. Beasley, Scott Houston TexasTexla Energy Management, Inc. Fritz, George Houston TexasTexla Energy Management, Inc. Phillips, Chris Houston TexasTexon L.P. Zarr, Jeff Houston Texas


Company Registrant City State Country (if not U.S.)Texon LP Juarez, Marco Houston TexasTexon LP Tatum, Kevin Houston TexasTexon LP Urech, Brandon Houston TexasTexon, L.P. Redd, Ershel Houston TexasTexoz E & P, Inc. Hosemann, Phil Houston TexasTexoz E & P, Inc. Marshall, Alex Houston TexasTexoz E & P, Inc. Mason, Dave Spring TexasTexoz E & P, Inc. Sunwall, Mark Spring TexasTexplore, Inc. Britt, Paul Houston TexasTexStar Resources Tolliver, Ed Fort Worth TexasTEXSTAR Resources Tolliver, Sheryl Fort Worth TexasTGC Industries, Inc. Pierce, Tom Plano TexasTGG Pipeline LTD. DuPont, Kathleen Jonesville TexasTGS Xu, Wenlong Houston TexasTGS Geological Davis, Kristan Houston TexasTGS Geological Hanson, Sawn Houston TexasTGS Geological Morgan, Thomas Houston TexasTGS Geological Sandoval, Denisse Houston TexasTGS Geological Starr, Rod Houston TexasTGS-NOPEC Carroll, Joe Houston TexasTGS-NOPEC Hanson, Shawn Houston TexasTGS-NOPEC Hebert, Mike Houston TexasTGS-NOPEC Mills, Bryan Houston TexasTGS-NOPEC Taylor, Jason Houston TexasTGS-NOPEC Geophysical Company Aspinall, Tiffany Houston TexasTGS-NOPEC Geophysical Company Barren, Richard Houston TexasTGS-NOPEC Geophysical Company Clark, Ryan Houston TexasTGS-NOPEC Geophysical Company Corona, Chris Houston TexasTGS-NOPEC Geophysical Company Davidson, Amy Houston TexasTGS-NOPEC Geophysical Company McNeil, Jim Houston TexasTGS-NOPEC Geophysical Company Pou, Michelle Houston TexasTGS-NOPEC Geophysical Company Ramos, Marta Houston TexasTGS-NOPEC Geophysical Company Roy, Kaushik Houston TexasTGS-NOPEC Geophysical Company Schreiber, Bob Houston TexasThe Cargill Companies Cargill, Robert Longview TexasThe Derrick Design Group, LLC Ray, Sheila Flower Mound TexasThe Derrick Design Group, LLC Smith, Teresa Flower Mound TexasThe Finley Company Finley, Deets Boerne TexasThe First American corporation Madden, Kevin Austin TexasThe George R. Brown Partnership Gibson, Fred Houston TexasThe Holmes Organisation Boswell, Brook Tulsa OklahomaThe Information Store Anderson, Jim Houston TexasThe Information Store Gomez, Elizabeth Houston TexasThe Meridian Corporation Wilhelm, Gregory Houston TexasThe Meridian Resource Reeves, Drew Houston TexasThe Meridian Resource Corporation Bishop, Bill Houston TexasThe Meridian Resource Corporation Gunderson, Jim Houston TexasThe Meridian Resource Corporation LaHouse, Tom Houston TexasThe Meridian Resource Corporation Larberg, Byrd Houston TexasThe Meridian Resource Corporation Pennington, Alan Houston TexasThe Meridian Resource Corporation Western, Steve Houston TexasThe Meridian Resource Corporation Wright, Bruce Houston TexasThe Mitchell Company Langford, Stephen Shreveport LouisianaThe Mitchell Company Mitchell, David Shreveport LouisianaThe Mitchell Company Smith, Joshua 'Smitty' Shreveport Louisiana


Company Registrant City State Country (if not U.S.)The Mitchell Company Spencer, Lisa Fort Worth TexasThe Oil & Gas Asset Clearinghouse, Inc. Akins, Chris Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Arias, Denna Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Barnes, Ron Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Beck, Chris Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Chandler, Mark Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Cotton, Pam Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Day, Phil Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Dyer, John Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Ecott, Sarah Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Franco, Mary Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Gardner, Henry Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Gero, Linda Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Gibbs, Keith Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Hammons, Robert Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Miller, Randy Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Mitschke, Wayne Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Nuckols, Earnest Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Olive, Ken Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Patterson, Linda Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Ray, Verna Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Reed, Ken Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Riley, Teresa Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Riley, Travis Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Roach, Mark Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Roberts, Geoff Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Robertson, Jeff Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Romero, Louis Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Saenz, Ricky Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Smith, Ted Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Talash, Cory Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Townsend, Kevin Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. Trujillo, Yvonne Houston TexasThe Oil & Gas Asset Clearinghouse, Inc. VanSickle, Brandon Houston TexasThe Rudman Partnership Judd, Joe Dallas TexasThe Rudman Partnership Lucius, R. Hiram Dallas TexasThe Rudman Partnership Rudman, Wolfe Dallas TexasThe Rudman Partnership Sibley, Trey Dallas TexasThe Rudman Partnership Trimble, James C. Dallas TexasThe Stephens Group, LLC Turner, Rick Houston TexasThe Unconventionals Leach, Richard Plano TexasThe Unconventionals Maio, Frank Dallas TexasThe Unconventionals Plybon, Steve Plano TexasThe Unconventionals Quillin, Bob Portland OregonThe Unconventionals Robbs, Ed Argyle TexasThe Unconventionals Roberts, Jeff Oak Point TexasThe Unconventionals Schildt, Tim Dallas TexasThe Unconventionals Schnerk, George Dallas TexasThird Coast Aquisition and Development Glenney, Liza Houston TexasThird Coast Aquisition and Development Wilkes, R. Lea Houston TexasThomasson Partner Associates, Inc. Edwards, Lloyd Denver ColoradoThomasson Partner Associates, Inc. Jacob, Arthur Denver ColoradoThomasson Partner Associates, Inc. Leaver, Jay Denver ColoradoThomasson Partner Associates, Inc. Mather, Terry Denver ColoradoThorp Petroleum Corporation Cheesman, Gill Houston Texas


Company Registrant City State Country (if not U.S.)Thorp Petroleum Corporation Porter, Arthur Corpus Christi TexasThorp Petroleum Corporation Rutherford, Scott Corpus Christi TexasThorp Petroleum Corporation Thorp, Jim Houston TexasThree Crown Petroleum, LLC Cooper, H. Steamboat Springs ColoradoThree M Oil Company Murrell, John Dallas TexasThree M Oil Company Stewart, John Dallas TexasThree Star Drilling & Producing Corp. Kazaleh, Edward Sumner IllinoisThree Star Drilling & Producing Corp. Miller, Ron Sumner IllinoisThree Star Drilling & Producing Corp. Patton, Gayle Sumner IllinoisThree Star Drilling & Producing Corp. Patton, Mike Sumner IllinoisThreshold Stone, Jerry Weatherford TexasThreshold Land Services, Inc Jeter, Kimbrough College Station TexasThunder Exploration, Inc. Light, Walter Houston TexasTidelands Geophysical Ytsma, Powell Houston TexasTidelands Geophysical Co. Marshall, Ryan Plano TexasTier Hydrocarbon Exploration, LLC Brock, Bob Oklahoma City OklahomaTier Hydrocarbon Exploration, LLC Downing, Keith Oklahoma City OklahomaTier Hydrocarbon Exploration, LLC Fruit, Dr. David Oklahoma City OklahomaTier Hydrocarbon Exploration, LLC Tarkington, Jarred Oklahoma City OklahomaTiger Eye Resources, LLC Beck, James Spring TexasTimeslice Technology, Inc. Bone, Marion Houston TexasTischer Energy Tischer, Adam Midland TexasTitan Oil and Gas Mysse, Sivert Billings MontanaTitan Oil Recovery, Inc. Govreau, Bradley The Woodlands TexasToledo Gas Gathering, L.L.C. Russell, R. Longview TexasToledo Mudlogging Inc Young, Terry Many LouisianaToledo Mudlogging,Inc. Small, Jackie Many LouisianaTorch Energy Cohen, Lisa Houston TexasTorch Energy Advisors, Inc. Hammond, Dennis Houston TexasTorch Energy Advisors, Inc. Lendrum, Jay Houston TexasTorch Energy Advisors, Inc. Work, Chris Houston TexasTorch Energy Advisors, Inc. Ziebarth, Randy Houston TexasTortuga Interests, Inc. Hine, John Houston TexasTortuga Interests,Inc. Martin, Archie Houston TexasTOTAL E&P New Ventures, Inc. Heidmann, Jean-Claude Houston TexasTOTAL E&P USA, INC. Bonnin, Eric Houston TexasTOTAL E&P USA, INC. Lannin, Dawn Houston TexasToyota Tsusho America, Inc. Ohara, Hiroumi Houston TexasToyota Tsusho Corporation Nakanishi, Fumiaki Tokyo JapanToyota Tsusho Corporation Nitta, Kazuhisa Tokyo JapanTPIC Bastian, Michael Houston TexasTrae Ellerbe & Associates Ellerbe, Trae Katy TexasTrail Mountain Rhodes, Toby Artesia New MexicoTrail Ridge Energy Partners Cederberg, Chuck Grapevine TexasTrail Ridge Energy Partners Regan, Sharon Grapevine TexasTrail Ridge Energy Partners Wade, Ronald Grapevine TexasTramel Evaluations, Inc. Tramel, Lee Montgomery TexasTrans Pacific Oil Corporation Banta, Alan D. Wichita KansasTrans Pacific Oil Corporation Petz, Adam Wichita KansasTrans World Energy, Inc. Parmley, Robert Houston TexasTransamerica Minerals Company Allred, Terry Torrance CaliforniaTransamerica Minerals Company Miller, Joel Torrance CaliforniaTransAtlantic Energy Partners Davis, Bruce Spring TexasTransAtlantic Energy Partners Wakefield, Jim Spring TexasTransAtlantic Petroleum Corp. Beauchamp, Weldon Dallas Texas


Company Registrant City State Country (if not U.S.)TransAtlantic Petroleum Corp. Larsen, Scott Dallas TexasTranscend Energy Evans, Carol Mansfield TexasTransco Oil & Gas, Inc. Fassio, Tom Falcon ColoradoTransco Oil & Gas, Inc. Messmer, Kevin Falcon ColoradoTransco Oil & Gas, Inc. Messmer, Larry Falcon ColoradoTransform Software & Svcs. Prutzman, John Houston TexasTransMeridian Exploration Inc. Falkenstein, P.G., Bruce Houston TexasTraton Engineering Associates, LP. Merritt, Debbie Humble TexasTraton Engineering Associates, LP. Merritt, Patrick Humble TexasTraton Engineering Associates, LP. Partney, Darlene Humble TexasTRC Consultants LC Gerlach, Autumn Austin TexasTRC Consultants LC Minocha, Neil Austin TexasTRC Consultants LC Pacinda, David Austin TexasTRC Consultants LC Robertson, Amy Austin TexasTrek Oil and Gas, Inc. Crawford, Jeff Houston TexasTrek Oil and Gas, Inc. Halprin, Rick Houston TexasTrek Oil and Gas, Inc. Kemmerly, Carl Houston TexasTrek Oil and Gas, Inc. Maione, Steven J. Houston TexasTrek Oil and Gas, Inc. Mount, Mike Houston TexasTrek Oil and Gas, Inc. Smith, Steve Houston TexasTrek Resources INC Montgomery, Mike Dallas TexasTri - C Denny, Walter Houston TexasTri Dimension O'Neal, Scott Houston TexasTRI-C Nance, Al Houston TexasTricon Carrigan, Mark Houston TexasTricon Geophysics, Inc. Williams, Dave Houston TexasTrident Steel Howell, Seth Saint Louis MissouriTrident Steel Corp Harbison, Daniel Saint Louis MissouriTrident Steel Corporation Buha, Matt Des Peres MissouriTridimension Energy Driver, Russell Dallas TexasTriDimension Energy, LP Ryan, James Dallas TexasTrifecta Oil & Gas Dice, Ken Houston TexasTrifecta Oil & Gas Grimes, David Houston TexasTrifecta Oil & Gas Grimes, Mike Houston TexasTrifecta Oil & Gas Johnson, Pat Houston TexasTrifecta Oil & Gas McCullough, Kim Houston TexasTrifecta Oil & Gas Roberson, Tim Houston TexasTrifecta Oil & Gas Sharman, Charley Houston TexasTrinity Energy Inc. Robinson III, Sylvester Saint Croix IndianaTriple A LLC Hood, Roger Kyle Russellville ArkansasTriple Diamond Energy Harris, Linda Addison TexasTriple Diamond Enerty Jent, Bob Addison TexasTriple J Investments, Inc. Woolley, Buddy Longview TexasTriple J. Investments, Inc. Vaughan, Johnny Longview TexasTristate Midstream Harrod, Glen P. DENTON TexasTristone Capital Andreen, Tom Houston TexasTristone Capital Bednarz, Kristen Houston TexasTristone Capital Bilger, Rob Houston TexasTristone Capital Coe, Jim Houston TexasTristone Capital Cossich, Phil Houston TexasTristone Capital Cowan, Doug Houston TexasTristone Capital Cox, Bruce Houston TexasTristone Capital Davidson, Terry Houston TexasTristone Capital Edwards, David Houston TexasTristone Capital Fox, Erin Houston Texas


Company Registrant City State Country (if not U.S.)Tristone Capital Gaines, Robin Houston TexasTristone Capital Gips, Jerry Houston TexasTristone Capital Goddard, Jon Houston TexasTristone Capital Hopkins, David Houston TexasTristone Capital McNichol, Kevin Houston TexasTristone Capital Pavlich, Phil Houston TexasTristone Capital Perley, Doug Houston TexasTristone Capital Redfield, Miles Houston TexasTristone Capital Reiss, Jane Houston TexasTristone Capital Simon, Chris Houston TexasTristone Capital Strand, Reid Houston TexasTristone Capital Synnott, Natalie Houston TexasTristone Capital Zavitsky, Jim Houston TexasTristream Energy, LLC Jordan, Corey Sugar Land TexasTristream Energy, LLC Purgason, Ken Sugar Land TexasTristream Energy, LLC Urban, Mike Sugar Land TexasTriumph Securities Corporation Beutel, Marjorie New York New YorkTRNCO Petroleum Corporation Nickoloff, Thomas Midland TexasTsalach Energy & Mining Jacob, Jeremiah Columbia IllinoisTsu Chao Inc. Chao, Tsu Spring TexasTsunami Development Joachims, Steven Houston TexasTucker & Associates Tucker, Rodney Spring TexasTudor Pickering Holt & Co Schoenhaus, Mary Houston TexasTudor Pickering Holt & Co. Davis, Mike Houston TexasTudor, Pickering, Holt & Co. Schaefer, Curt Houston TexasTudor, Pickering, Holt & Co., LLC McCormick, George Houston TexasTurner Oil & Gas Properties Turner, Jr., Calvin Oklahoma City OklahomaTurnkey E&P Corporation Donais, Pat Houston TexasTurnkey E&P Corporation Hines, Michele Houston TexasTurnkey E&P Corporation Johnson, Beau Houston TexasTurnkey E&P Corporation Lynch-Blosse, Michael Houston TexasTurnkey E&P Corporation Moore, Scott Houston TexasTurnkey E&P Corporation Pharris, Chum Houston TexasTurnkey E&P Corporation Stites, Richard Houston TexasTurnkey E&P Corporation Tessari, Robert Houston TexasTuscaloosa Marine Shale Collins, Dan Baton Rouge LouisianaTwenty Oaks Corp. McConnell, Jim Houston TexasTwin Oaks Energy, LLC Burkett, Dawn Aledo TexasTwin Oaks Energy, LLC Haynes, Amanda Aledo TexasTwin Oaks Energy, LLC Mitchell, Kristi Aledo TexasTwin Oaks Energy, LLC Springer, Tommy Abilene TexasTwin Oaks Energy, LLC Springer, Vicki Abilene TexasTX Onshore Labbe, Michael Humble TexasTX Onshore Lewis, David Humble TexasTXCO Resources Grinsfelder, Gary San Antonio TexasTXCO Resources Inc. Lee, Robert San Antonio TexasTXCO Resources Inc. Lochausen, Marshall San Antonio TexasTXCO Resources, Inc. Lemkowitz, Frank Houston TexasTyphoon Energy LLC Deen, Gordon Austin TexasTyrrell Data Services (T.D.S.) Tyrrell, Matthew Houston TexasU.S. Enercorp, Ltd. Allison, Bryan San Antonio TexasU.S. Enercorp, Ltd. Gates, Bruce San Antonio TexasU.S. Enercorp, Ltd. Locke, Philip San Antonio TexasU.S. Enercorp, Ltd. McConnell, James San Antonio TexasUbiquitous Computer Consultant Fuller, Matt Houston Texas


Company Registrant City State Country (if not U.S.)Ubiquitous Computer Consultant Rivas, Roy Houston TexasUBS Financial Services, Inc Callaway, Cullen Houston TexasUnbridled Energy Corporation Frantz, Joseph Sewickley PennsylvaniaUnbridled Energy Corporation Hogan, Michael Sewickley PennsylvaniaUnbridled Energy Corporation Holmes, Brad PennsylvaniaUnbridled Energy Corporation Steinke, Craig BC CanadaUnconventional Gas Resources Bastian, Peter Bryan TexasUnconventional Gas Resources Gatens, J. Michael Calgary Alberta CanadaUnconventional Gas Resources Jongmans, Jeff Alberta Alberta CanadaUnderdog Holdings LLC Lilljedahl, Carl Stephenville TexasUnion Bank of California Gale, Douglas Dallas TexasUnit Petroleum Company Cramer, Scott Midland TexasUnit Petroleum Company Heald, Edward Tulsa OklahomaUnit Petroleum Company Mowers, Ted Midland TexasUnit Petroleum Company Ulmo, George Midland TexasUnit Petroleum Company Wickman, Russell Midland TexasUnited Petroleum Corporation Webster, Mark Dallas TexasUnited Resources LP Scott, Turnbull Austin TexasUnited Resources, LP Carlson, David Austin TexasUnited Resources, LP Grunau, George Austin TexasUnited Resources, LP Tuttle, Scotty Austin TexasUniverse Oil & Gas, Inc Trevino, Celso J. Laredo TexasUniversity of Mississippi Easson, Greg University MississippiUniversity of Oklahoma Strong, Lauren oklahoma city OklahomaUPSTREAM Guegel, Anthony Houston TexasUpstream Energy Capital, LLC Domingue, John Lafayette LouisianaUpstream Energy Services Haworth, Robert Sugar Land TexasUpstream Energy Services Rhoades, Sam Sugar Land TexasUpstream Energy Services, L.P. Farris, Grant Sugar Land TexasUpstream Newspaper Armintor, Travis Houston TexasUpstream Professionals Lekki, Jason Houston TexasUpstream Professionals Niven, Chris Houston TexasUptex Energy Penaree, Therisa Dallas TexasUptex Energy L.P. Peters, Ernest Dallas TexasUptex Energy LP Davis, Byron Dallas TexasUriah Bement Coal Bonesz, Susan Elgin IllinoisUriah Bement Coal Grounds, John Geneva IllinoisUS Capital Energy, Inc. Hulings, Mark Corpus Christi TexasUS Petrol, LLC Brooks, Robert Houston TexasUS Petrol, LLC Lombardo, Jeffrey D Houston TexasUSCapital Energy Inc Hulings, Mark Corpus Christi TexasVada Group LP Meredith, Bob Port Allen LouisianaValco Resource Management Inc. Valdez, Doyle Austin TexasValence Willis, David Humble TexasValtus Imagery Services Beshah, Belai Calgary Ontario CanadaValtus Imagery Services Crago, Tim Calgary Alberta CanadaValtus Imagery Services Peterson, Tammy Calgary Alberta CanadaValue Petroleum, Inc. Fikes, Jr., J. Stanley Midland TexasVanguard Energy, LLC Andersen, Mallory Wichita KansasVanguard Energy, LLC Andersen, Rod Wichita KansasVanguard Energy, LLC Andersen, Torin Wichita KansasVanguard Energy, LLC Wilson, Ray Wichita KansasVaughan Watkins Oil & Gas Watkins, Vaughan Madison MississippiVaughey & Vaughey Williams, Charles Jackson MississippiVector Bridge, Peter Houston Texas


Company Registrant City State Country (if not U.S.)Vectra Magness, Bill Tulsa OklahomaVenoco Wracher, Mike Santa Barbara CaliforniaVenoco Inc. Baskin, George Houston TexasVenoco Inc. Blancett, Craig Houston TexasVenoco Inc. Carlsen, Ted Carpinteria CaliforniaVenoco Inc. Graves, Kris Houston TexasVenoco Inc. Hawk, Patricia Houston TexasVenoco Inc. Joslin, Pete Houston TexasVenoco Inc. Lasiter, Sandy Houston TexasVenoco Inc. Maher, Julie Houston TexasVenoco Inc. McConaty, Brady Houston TexasVenoco Inc. Moran, Pat Carpinteria CaliforniaVenoco Inc. Morton, Lee Houston TexasVenoco, Inc. Choury, Mark Denver ColoradoVenoco, Inc. Harper, Harry Carpinteria CaliforniaVenoco, Inc. Sherban, Terry Denver ColoradoVenoco, Inc. Steele, Sam Carpinteria CaliforniaVenoco, Inc. Wilson, Mark denver ColoradoVentex Oil & Gas, Inc Helm, Paul Houston TexasVentex Oil & Gas, Inc. Yates, Brooks Dallas TexasVentum Energy, LP Austin, Timothy A. Houston TexasVentum Energy, LP Bippus, William Houston TexasVentum Energy, LP Kirkland, Matthew Houston TexasVentum Energy, LP Messer, Todd Lafayette LouisianaVentum Energy, LP Turboff, Patricia Ann Houston TexasVentum Energy, LP Veh, Mitch Houston TexasVentum Energy, LP Warich, Riaz Houston TexasVentum Energy, LP Weaver, Frances Houston TexasVentum Mandalay LP Campbell, Ryan D. Lafayette LouisianaVentum Mandalay LP Champlin, Maurice Lafayette LouisianaVentum Mandalay LP Miller, Jim Lafayette LouisianaVentum Mandalay LP Roy, Chris Lafayette LouisianaVentum Mandalay LP Springer, Debbie Lafayette LouisianaVentum Mandalay LP St. Martin, Michael X. Lafayette LouisianaVentura Refining Bloustine, Don Oklahoma City OklahomaVENTURE OIL & GAS, INC. Biglane, Peter LAUREL MississippiVENTURE OIL & GAS, INC. Stuart, Tony LAUREL MississippiVermilion Resources, Inc. Janik, Mark Houston TexasVermilion Resources, Inc. Pittman, Gary Houston TexasVermilion Resources, Inc. Wiener, Robert Houston TexasVermilion Resources, Inc. Co. Cornish, Charles Houston TexasVermilion Resources, Inc. Co. Vasquez, Rick Houston TexasV-F Petroleum Inc Gahr, Jerry Midland TexasVi Letsos, Kelly Wichita Falls TexasVicars Oil & Gas Corporation Vicars, Greg Wichita Falls TexasVicars Oil & Gas Corporation Vicars, Lois Wichita Falls TexasVicars Oil & Gas Corporation Warnock, Jacob Wichita Falls TexasVicars Oil & Gas Corporation Warnock, Joseph Wichita Falls TexasVicksburg Production Co Biancardi, Jennifer Houston TexasVicksburg Production Co Biancardi, John Houston TexasVicksburg Production Co Clark, Cody Cypress TexasVicksburg Production Co Milam, Robert Houston TexasVictor P. Smith Oil Company Fredericks, Danny Jackson MississippiVictor P. Smith Oil Company Furrh, Brooke Jackson MississippiVictor P. Smith Oil Company McNames, P. M. Jackson Mississippi


Company Registrant City State Country (if not U.S.)Victor P. Smith Oil Company Phelps, Dave Jackson MississippiVictor P. Smith Oil Company Phelps, Jeanne Jackson MississippiVictor P. Smith Oil Company Smith, Victor Jackson MississippiVictoria Petroleum N.L. Hoops, Tim Golden ColoradoViking International Petroleum, LLC Herrin, Joseph Houston TexasViking International Petroleum, LLC Huff, Walt Houston TexasViking International Petroleum, LLC Morris, Daniel Houston TexasViking International Petroleum, LLC Mueller, Paul Houston TexasViking International Petroleum, LLC Roe, Yvonne Houston TexasViking International Petroleum, LLC Row, Jim Houston TexasViking International Petroleum, LLC Welper, Otto Houston TexasViking International Petroleum, LLC Zamboras, Robert Houston TexasVim Resources LP Petree, Rusty Houston TexasVinland Energy Skandsen, Einar Houston TexasVintage Filings goldstein, Elliot New York New YorkVirTex Operating Co Inc Henicke, Andrew Corpus Christi TexasVirTex Operating Co., Inc Critchlow, Bob Corpus Christi TexasVision Exploration, LLC Gianola, Joe Ridgeland MississippiVision Exploration, LLC Goolsby, Candy Ridgeland MississippiVision Exploration, LLC Murphy, Bob Ridgeland MississippiVision Exploration, LLC Rawls, Jim Ridgeland MississippiVision Exploration, LLC Walkinshaw, Steve Ridgeland MississippiVisionary Energy Accetta, Jay Coronado CaliforniaVoyager Gas Corporation Parker, Michael Addison TexasVoyager Gas Corporation Pogoloff, Kirk Addison TexasVoyager Petroleum, Inc. Greer, Barrett Lafayette LouisianaVoyager Petroleum, Inc. Greer, C Barry Lafayette LouisianaVoyager Petroleum, Inc. Naumann, Roy Lafayette LouisianaVPI Nuttall, Jeff Houston TexasVTOC Energy, Inc. Dryer, Jr., William Mission Viejo CaliforniaVTOC Energy, Inc. Dryer, Sr., William Mission Viejo CaliforniaW & T Offshore, Inc. Alcorn, Tyler Houston TexasW & T Offshore, Inc. Fagan, Ken Houston TexasW & T Offshore, Inc. Harvey, Brian Houston TexasW&T Offshore Lovrak, Steve Houston TexasW&T Offshore Inc. Adams, Gary Houston TexasW&T Offshore, Inc. Hemingway, Jeff Houston TexasW. Wayne Hardin & Associates Hardin, Wayne Houston TexasWABR LLC Floyd, Mike Frisco TexasWachovia Exchange Services Bouteiller, Nicole Winston Salem North CarolinaWachovia Exchange Services Coates, Kristine Winston Salem North CarolinaWachovia Exchange Services Sapp, Mimi Winston Salem North CarolinaWachovia Exchange Services Shore, Ken Winston Salem North CarolinaWachovia Securities Hooker, Glenn Austin TexasWadi Petroleum, Inc. Dice, Kevin Houston TexasWadi Petroleum, Inc. Dice, Kirk Houston TexasWagner & Brown, Ltd. Dawson, Robert Houston TexasWagner & Brown, Ltd. Morris, Paul Midland TexasWagner & Brown, Ltd. Osborn, James Houston TexasWagner & Brown, Ltd. Party, Mike Midland TexasWagner & Brown, Ltd. Selber III, Mandel Houston TexasWalker Elliott L.L.C Elliott, Betsy Houston TexasWalker Elliott, LLC Buck, Nina Houston TexasWalker Elliott, LLC Elliott, Joe Houston TexasWalker Elliott, LLC McKay, Brian Houston Texas


Company Registrant City State Country (if not U.S.)Walker Elliott, LLC Suzana, Idanes Houston TexasWalter Oil & Gas Corporation Hetherington, Peter Houston TexasWalter Oil &Gas Acomb, Barry Houston TexasWapiti Energy, LLC Frederick, Albert Houston TexasWapiti Energy, LLC Kirkland, Bob Houston TexasWatson Acquisition Company, LLC Watson, Robert Tyler TexasWave Energy Allen, Pete Houston TexasWave Energy Anderson, Shy Houston TexasWave Energy Rand, Jeff Houston TexasWave Energy Thomson, Bob Houston TexasWave Exploration Group Galatas, Craig Zachary LouisianaWave Exploration Group, LLC Barrell, Kirk The Woodlands TexasWave Exploration Group, LLC Loup, Steve Zachary LouisianaWave Exploration Group, LLC Perret, Jerry Zachary LouisianaWavefront Brazeal, Brian Cypress TexasWaveland Energy Partners LLC Donohue, John Irvine CaliforniaWaveland Energy Partners LLC Foshee, Dave Irvine CaliforniaWaveland Energy Partners LLC Greer, Michael Irvine CaliforniaWaveland Energy Partners LLC Greer, Vickie Irvine CaliforniaWeinman GeoScience Inc. Davis, Mary Dallas TexasWeinman GeoScience, Inc. Treadgold, Galen Dallas TexasWeiser-Brown Oil Brown, Richard Magnolia ArkansasWeiser-Brown Operating Co. Caldwell, Nathan Magnolia ArkansasWeiser-Brown Operating Co. Weiser, Chris Magnolia ArkansasWEJCO, Inc. Jones, Wayne Rising Star TexasWelder E & P, Inc. Kiely, James San Antonio TexasWelder Exploration Welder, III, Raymond J. San Antonio TexasWellbore Capital Terracio, Ryan Houston TexasWellbore Capital LLC Hudson, Stephen Dallas TexasWellington Operating Company Bizzio, Renato Centennial ColoradoWellington Operating Company Pomeroy, Brad Centennial ColoradoWellington Operating Company Shaw, Tom Centennial ColoradoWellington Resources Corp. McCarty, Tom Sherman TexasWellkeeper Scoggins, Greg Euless TexasWells Fargo Bank Winburne, Victoria Houston TexasWellstream International Limited Crawford, Don Houston TexasWellstream International Limited Floyd, Bryan Houston TexasWellstream International Limited Tucker, Garry Houston TexasWellstream International Limited Worrell, John Houston TexasWELL-TECH Cornelison, Clif Denison TexasWest Texas Royalties, Inc. Browning, John T. Plainview TexasWesterly Exploration Douglas, Michael Houston TexasWesterly Exploration Gillette, Larry Houston TexasWesterly Exploration Nelson, Ron Houston TexasWesterly Exploration Weiner, Charles Houston TexasWesterly Exploration, Inc. Weiner, Collier Houston TexasWestern Geco Peterson, Jerry Houston TexasWestern Land Services Burd, Shawn Richfield UtahWestern Land Services Stowe, Todd W. Ludington MichiganWestern Land Services, Inc. Wilson, CPL, John Ludington MichiganWestern Petroleum Resources, Griffitts, Keith Dallas TexasWesternGeco Arredondo, Brigid Houston TexasWesternGeco Boyd, Carol Houston TexasWesternGeco Brown, Jacob Houston TexasWesternGeco Cain, Larry Houston Texas


Company Registrant City State Country (if not U.S.)WesternGeco Fenwick, Alastair Houston TexasWesternGeco Findley, Lyndon Houston TexasWesternGeco Fontaine, Stacey Houston TexasWesternGeco Scott, Dan Houston TexasWesternGeco Scoulios, Tom Houston TexasWesternGeco Spark, Robert Houston TexasWesternGeco Tutt, Chris Houston TexasWesternGeco Wortham, Miles Houston TexasWesternGeco Young, Michael Corpus Christi TexasWeston Solutions Dorn Warner, Carolynn Lakewood ColoradoWeston Solutions Kenny, John Houston TexasWeststar Exploration Company Gilmore, Bill Houston TexasWestward Energy Lee, Cody Albuquerque New MexicoWEXFORD Jacobi, Paul Greenwich ConnecticutWeyerhaeuser Mineral Resources Connors, Ryan Federal Way WashingtonWeyerhaeuser Mineral Resources Dunn, Larry Federal Way WashingtonWeyerhaeuser Mineral Resources Niemi, Bill Federal Way WashingtonWeyerhaeuser Mineral Resources Pauli, Dave Federal Way WashingtonWeyerhaeuser Mineral Resources Reed, Pamela Federal Way WashingtonWhite Bay Energy LLC Krenzke, Ron Houston TexasWhite Oak Energy Barnhart, Shawn Houston TexasWhite Oak Energy Etheredge, Mark Houston TexasWhite Oak Energy Glaser, James Houston TexasWhite Oak Energy Isler, Thomas Houston TexasWhite Oak Energy Nonhof, Scott Houston TexasWhite Oak Energy Sampsell, Scott Houston TexasWhite Oak Energy Schuchert, Alvin Houston TexasWhite Oak Energy Schwarz Jr., John Houston TexasWhiteHill Energy, LLC Bianchi, Glenda Fort Worth TexasWhiteHill Energy, LLC Bianchi, Vernon Fort Worth TexasWhiteHill Energy, LLC Zafar, Dr. Jaffrey Fort Worth TexasWhiting Oil & Gas Corp. Baker, Daniel Midland TexasWhiting Oil & Gas Corp. Belcher, John Denver ColoradoWhiting Oil & Gas Corp. Colwell, Paul Midland TexasWhiting Oil & Gas Corp. Dellva, Paul Denver ColoradoWhiting Oil & Gas Corp. Entzminger, Dave Midland TexasWhiting Oil & Gas Corp. Freidline, Roger Midland TexasWhiting Oil & Gas Corp. Hill, Dick Midland TexasWhiting Oil & Gas Corp. Macaw, Russell Midland TexasWhiting Oil & Gas Corp. Southwell, John Midland TexasWhiting Oil & Gas Corp. Stevens, Billy Midland TexasWhiting Oil & Gas Corp. Thompson, Kera Midland TexasWhiting Petroleum Lusk, Nicole Midland TexasWhiting Petroleum Corporation Goncalves, Gus Midland TexasWhitmar Exploration Marvin, Whitney Denver ColoradoWhitmar Exploration Rippentrop, Laura Denver ColoradoWhitmar Exploration Temple, Brandt Denver ColoradoWilcox Oil & Gas Wallace, Robert Houston TexasWilcox Oil & Gas, Inc. Anderson, Mitch Houston TexasWilcox Oil & Gas, Inc. Bailey, Henry Houston TexasWilcox Oil & Gas, Inc. Smith, William Houston TexasWilcox Oil & Gas, Inc. Tyner, Bud Houston TexasWild Horse Investments Rainey, Richard Bedford TexasWildes Exploration Wildes, Brian Dallas TexasWildHorse Resources Bahr, Anthony Houston Texas


Company Registrant City State Country (if not U.S.)WildHorse Resources Eschete, Paul Houston TexasWildHorse Resources Graham, Jay Houston TexasWildhorse Resources Wyszynski, Joseph Houston TexasWilliam. W. McClure, Jr., Oil McClure, William Tulsa OklahomaWilliams Haydock, Bob Tulsa OklahomaWilliams Geological Consulting, Inc. Foster, Lynn Williams Houston TexasWilliams Production Co. Greenwell, Ron Tulsa OklahomaWilliams Production Company Adams, Charles Tulsa OklahomaWilliams Production Company Bassett, Chuck Tulsa OklahomaWilliams Production Company Meeks, Gerald Tulsa OklahomaWilliams Production Company Rigdon, James Tulsa OklahomaWilliams Production Company Schmuhl, Jeff Tulsa OklahomaWilliams Production Company West, Brennan Tulsa OklahomaWilliams, Kothmann & Chao Kothmann, S. Kingwood TexasWilliams, Kothmann & Chao Williams, Bryant Kerrville TexasWillow Creek Resources White, William Duncanville TexasWillow Creek Resources, Inc. Bosecker, Chris Midland TexasWillrich Energy, Inc. Artzberger, Robert Houston TexasWillSource Enterprise LLC Williams, Reed Denver ColoradoWilson Geophysical Wilson, Barton Houston TexasWilson Geophysical, Inc. Wilson, Floyd Malakoff TexasWilson Geophysical, Inc. Wilson, Matt Allen TexasWilson/Wellstream Vandermark, Mary Ann Houston TexasWinchester Production Company Middleton, Chris Shreveport LouisianaWind City Oil & Gas Bazzano, Raymond Miami FloridaWind City Oil & Gas LLC Bazzano, Raymond Miami FloridaWind City Oil & Gas LLC Bazzano, Steve Miami FloridaWind City Oil & Gas LLC Imbrogno, Pat Miami FloridaWind City Oil & Gas LLC Kalina, Anna Miami FloridaWind City Oil & Gas LLC Vecellio, John Miami FloridaWind City Oil & Gas LLC Wallington, John Miami FloridaWindsor Energy Carter, Bob Oklahoma City OklahomaWindsor Energy Johnson, Dan Oklahoma City OklahomaWindsor Energy Rother, Clark Oklahoma City OklahomaWingert Family Investments Wingert, Jason Dallas TexasWinwell Davis, Wesley Shreveport LouisianaWitt Transportation & Service Witt, Herman Alvin TexasWMI International, Inc. Jennings, Joseph Houston Texas

Wolfe Energy Services, LLC Jetelina, David Glenwood Springs Colorado

Wolfe Energy Services, LLC McCann, Cecilia Glenwood Springs Colorado

Wolfe Energy Services, LLC Toms, Kristine Glenwood Springs Colorado

Wolfe Energy Services, LLC Wolfe, Stephen Glenwood Springs ColoradoWolfsnare Royalty and Minerals Baillio, Robert Houston TexasWolverine Gas & Oil Corp. Johnson, Keith Grand Rapids MichiganWolverine Gas and Oil Cecil, Tom Grand Rapids MichiganWolverine Gas and Oil Hartwick, Emily Grand Rapids MichiganWolverine Gas and Oil Vrona, John Patrick Grand Rapids MichiganWood Mackenzie Dukes, Reagan Houston TexasWood Mackenzie Jurecky, Matthew Houston TexasWood Mackenzie Kuhle, Eric Houston TexasWood Mackenzie McShane, Tim Houston TexasWood Mackenzie Vaden, Hill Houston Texas


Company Registrant City State Country (if not U.S.)Wood Mackenzie Wilson, Brad Houston TexasWood Roberts LLC Martinson, John Houston TexasWoodard Energy Company Adams, Hal Houston TexasWoodard Energy Company Christian, Charles Houston TexasWoodard Energy Company Jones, Gail Houston TexasWoodard Energy Company Woodard, A. E. Houston TexasWoodson Exploration, LLC Woodson, James Ardmore OklahomaWoodson Exploration, LLC Woodson, Jim Ardmore OklahomaWoodstone Resources Lilja, Len Houston TexasWoodstone Resources, LLC McFatter, Warren Houston TexasWoodstone Resources, LLC Paschal, Dick Houston TexasWoodstone Resources, LLC Trahan, Ken Houston TexasWorld Energy Burton, Curtis Houston TexasWorld Energy Graves, Eric Houston TexasWorld Energy Henry, Neville Houston TexasWorld Energy Huey, Steve Houston TexasWorld Energy Loomis, Richard Houston TexasWorld Energy Stapleton, George Houston TexasWorld Energy Todman, Alton Houston TexasWorld Energy Todman, Alton Houston TexasWorld Energy Tully, Brian Houston TexasWorld Energy Tully, Brian Houston TexasWorld Energy Tushe, Isida Houston TexasWorld Energy Systems Incorporated Juenger, Kimberly Houston TexasWorldwide Geochemistry Jarvie, Dan Humble TexasWortham Insurance Hamm, Ralph Dallas TexasWortham Insurance & Risk Mgmt. Blades, Richard Houston TexasWortham Insurance & Risk Mgmt. Groos, Helen San Antonio Texas

WRA Inc. Matzke, Allen Colorado Springs ColoradoWyldfire Energy Ford, Tamara Palo Pinto TexasWynn-Crosby Management Ltd Koontz, Dan Plano TexasWyoming Enhance Oil Recovery Whitman, Lon Laramie WyomingXOG Operating, LLC Capps, Randall Midland TexasXOG Operating, LLC Drew, David Corpus Christi TexasXOG Operating, LLC Land, Meagan Corpus Christi TexasXOG Operating, LLC Lewis, Kyle Corpus Christi TexasXOG Operating, LLC West, Eldon Corpus Christi TexasXone Oil & Gas, LLC Brown, Joshua Austin TexasXone Oil & Gas, LLC Hillin, Don Austin TexasXone Oil & Gas, LLC Hillin, Haili Austin TexasXTO Energy Burshears, Charles Fort Worth TexasXTO Energy Christiansen, Glen Arlington TexasXTO Energy Cook, Clarence Fort Worth TexasXTO Energy Huber, Frank Fort Worth TexasXTO Energy Klutsch, John Fort Worth TexasXTO Energy Nold, Stephen Fort Worth TexasXTO Energy Patterson, Casey Fort Worth TexasXTO Energy Powell, Jason Fort Worth TexasXTO Energy Inc. Vennerberg, Vaughn Fort Worth TexasXTO Energy, Inc Sunde, Robert Fort Worth TexasXTO Energy, Inc. Payne, Erin Fort Worth TexasYankee Resources Leighton, Van Golden ColoradoYates Petroleum Corporation Codding, David Artesia New MexicoYeagerland Services Yeager, Mark Edmond Oklahoma


Company Registrant City State Country (if not U.S.)Yegua Energy Associates, LLC Ames, John San Antonio TexasYegua Energy Associates, LLC Ames, Jr., Eugene L. San Antonio TexasYegua Energy Associates, LLC Ewing, Thomas San Antonio TexasYegua Energy Associates, LLC Weise, Bonnie San Antonio TexasYellow Rose Oil Company Hayward, Tibbett Richardson TexasYorkville Advisors, LLC Brand, Richard Jersey City New JerseyYorkville Advisors, LLC D'Ecclesiis, Michael Jersey City New JerseyYorkville Advisors, LLC Kennedy, George Jersey City New JerseyYoung & Associates Guerrero, Paul Corpus Christi TexasYoung & Associates Young, Robert Fort Worth TexasYuma Cox, Shirley Houston TexasYuma Exploration & Production Co. Armin, Rich Houston TexasYuma Exploration & Production Co. Banks, Sam Houston TexasYuma Exploration & Production Co. Brook, Mary Ellen Houston TexasYuma Exploration & Production Co. Conlon, Michael Houston TexasYuma Exploration & Production Co. Ferguson, Jerry Houston TexasYuma Exploration & Production Co. Gibbens, Pamela Houston TexasYuma Exploration & Production Co. Hartman, Mark Houston TexasYuma Exploration & Production Co. Miller, Wayne Houston TexasYuma Exploration & Production Co. Morris, Stan Houston TexasYuma Exploration & Production Co. Murry, Mike Houston TexasYuma Exploration & Production Co. Nunez, Jessica Houston TexasYuma Exploration & Production Co. Pool, Robert Houston TexasYuma Exploration & Production Co. Rogers, Scott Houston TexasYuma Exploration & Production Co. Schnell, Karen Houston TexasYuma Exploration & Production Co. Tennant, Chuck Houston TexasYuma Exploration & Production Co. Whittemore, K C Houston TexasZaCale Resources Company, LLC Coshow, Larry Edmond OklahomaZalman Resources Beren, Ezra Denver ColoradoZalman Resources Beren, Mordecai Denver ColoradoZALMAN RESOURCES INC BEREN, JONATHAN Denver ColoradoZenergy Brown, Jay Houston TexasZeno Capital LLC Cantrell, Travis Santa Fe New MexicoZephyr Gas Services L. P. Perryman, Lance Houston TexasZephyr Gas Services L. P. Wind, Glen Houston TexasZhang Inc. Zhang, Nai Houston TexasZiff Energy Group Tucker, Richard Houston TexasZimmerman Resources Zimmerman, Jr., Robert Houston TexasZinn Petroleum Company Zinn, Robert Houston TexasZokero Inc. Befus, Kerry Calgary Alberta CanadaZone Oil & Gas, LLC Brook, Robert Buffalo New YorkZone Oil & Gas, LLC O'Neill, Tom Buffalo New YorkZoot Oil & Gas Coleman, Randy Columbus MontanaZot Oil & Gas,Inc. Zotkiewicz, James Metairie LouisianaZ-SEIS McCallum, Mark Houston TexasZ-Seis Wilkens, Luke Houston TexasZwahlen Exploration Dement, Harold Larkspur ColoradoZwahlen Exploration Zwahlen, Carolyn Larkspur ColoradoZwahlen Exploration Zwahlen, Cyndia Larkspur ColoradoZwahlen Exploration Zwahlen, Jack Larkspur Colorado

Ahmad, Tahir Wichita KansasBennett, Bill San Antonio TexasBentley, Bascom Tyler TexasCayce, Powers Broomfield ColoradoChase, Charlie Houston Texas


Company Registrant City State Country (if not U.S.)Clark, Steve Nacogdoches TexasCocke, Fielding Houston TexasConnally, Andrew Midland TexasCurmode, Rory Wichita KansasDinsmore, Mike Lewistown MontanaDurbin, Marie Plano TexasEgan, James Houston TexasFavrot, Thomas Dallas TexasFouts, Tom Birmingham AlabamaGibbins, Bill Grandview TexasHall, Canton Corpus Christi TexasHarris, Robert Dallas TexasHarris, Tom Houston TexasHernandez, Jose Houston TexasHill, Andrew Houston TexasHwang, Y J Sugar Land TexasJoe, CJ Houston TexasJoe, Marlon Houston TexasKulkarni, Vijay Houston TexasMadison, Tom Plano TexasMahagaonkar, Brij Houston TexasPetty, Dane Houston TexasShore, Kenneth Longview TexasSingleton, Donald Houston TexasStansberry, Mark Edmond OklahomaStevens, Alan Rowlett TexasStrong, Patricia Houston TexasSuddeeth, Ross Mineola TexasTownsend, John San Antonio TexasVan Dyke, Tor Houston TexasWilde, Roger Livingston Texas


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