CIPA Members As of 092616

Case 2:16-cv-07381 Document 9-1 Filed 10/03/16 Page 1 of 10 Page ID #:168

EXHIBIT A Case 2:16-cv-07381 Document 9-1 Filed 10/03/16 Page 2 of 10 Page ID #:169

COMPANY 5 C Holdings, Inc. A.F. Gilmore Company A.R. Merante Corporation AA Production Services, Inc. AATech, Inc. ABA Energy Corporation Accuflow, Inc. Aegion Energy Services Aera Energy LLC AEREON AGT - Water Systems Albright, Mr. Charles C. 'Jock,' III Alston & Bird, LLP Alta Environmental Amegy Bank N.A. American Energy Operations, Inc. American Energy Partners Amrich Energy, Inc. Anderson & Poole Anterra Energy Services, Inc. Applied Seismic Research Corporation APT General Engineering Inc. ARB, Inc. Archer Exploration, Inc. Argus Media Armstrong Petroleum Corporation Associated Builders and Contractors of Central California Atlantic Oil Company Avanti Environmental Inc. Axis Petroleum Company B & B Pipe and Tool Company B-Line Sales, Inc. B.E. Conway Energy, Inc. Badlands Energy, Inc. Baker Hughes Bakersfield Pipe & Supply Bank of Oklahoma Basic Energy Services Bayswater Exploration and Production LLC Beach Oil Minerals Bellaire Oil Company Berlind, Daniel - Royalty Owner Beta Offshore BFLP (Bentley Family Limited Partnership) Black Gold Oil Company Black Gold Pump & Supply, Inc. Blank Rome LLP BlueRock Energy Capital II, LLC BNK Petroleum, Inc. Bob Ferguson - Independent Case 2:16-cv-07381 Document 9-1 Filed 10/03/16 Page 3 of 10 Page ID #:170

Bobsac, LLC Bodog Resources, LLC Boone, Deborah - Royalty Owner Boyce Resource Development Company Boyd, Chris - Royalty Owner BP Energy Company Brayton-Hodges Petroleum Brea Canon Oil Company Breitburn Energy Bridgemark Corporation Bright and Brown Brightfield Energy Brinderson Brittany Oil Co. Brown Armstrong Accountancy Corporation Brown, Ken - Royalty Owner Bryant Dakin LLC Bryars Tolleson Spires + Whitton, LLP BSI Energy Partners BSK Associates Bud's Oil Company, Inc. Bugle Group Burke, Williams & Sorensen, LLP Busby-Stone Risk Management, Acrisure Agency Partner C&J Well Services, Inc. C&M Oil Company & Investments, LLC C. Case Company, Inc. C.D. Lyon Construction, Inc. Cal Coast Acidizing Service Co., Inc. California Energy Exchange Corp. California Oil Museum California Resources Corporation California Well Services, LLC Cannon Capitol Oil Corporation CASC Engineering and Consulting Cascade Resources, LLC Catalyst Environmental Solutions Cavins Oil Well Tools CBase Corporation CBIZ MHM Cenergy Power Cerrell Associates, Inc. Chestnut Petroleum Inc. Chevron Corporation CHRC - Creative Human Resources Concepts Cimarron Oil, LLC CIPA Cirque Resources LP Citadel Exploration (COIL) Claremont Tax Associates, Inc. Case 2:16-cv-07381 Document 9-1 Filed 10/03/16 Page 4 of 10 Page ID #:171

Clariant Oil Services Clayton Williams Energy Inc. Clements, Richard - Royalty Owner Clifford & Bradford Insurance Agency Coast Ranch Cole's Environmental Inc. Colombo Construction Co., Inc. Columbine Associates Commander Oil Co., Ltd. Commercial Global Insurance Services of California, LLC Concordia Resources, Inc. Conway MacKenzie Capital Advisors LLC Cooper & Brain, Inc. Core Lab Cornerstone Acquisition and Management Company, LLC Coughran Mechanical Services, Inc. Cree Oil Limited Crimson Resources Management Curtis Electrical Construction Inc. D + E Oil Well Tools Dalzell, Tom - Royalty Owner Davies, Betty L. - Royalty Owner Day Carter Murphy LLP DeGolyer and MacNaughton Dennis J. Ryan & Associates Distribution NOW DMC Oil Marketing DMJ Gas Marketing Consultants, LLC Dorris, Alan - Royalty Owner Dos Rios, Inc. Doty Bros. Equipment Co. Dover Artificial Lift DPSI - Diversified Project Services International, Inc. Drilling & Production Co. Drilling Exploration & Operating Co. DRILTEK Dunbar, Inc. Duncan, Benny D. - Royalty Owner E & B Natural Resources Management E & T, Limited Liability Company Eagle Petroleum, LLC ECT Services & Solutions, Inc. Edgcomb Law Group, LLP EGOR, LLC Ehrlich Pledger Law, LLP Emjayco, L.P. Energy & Environment, Inc. Energy Edge Consulting Energy Project Solutions LLC Energy Tubulars, Inc. EnergyNet.Com, Inc. Case 2:16-cv-07381 Document 9-1 Filed 10/03/16 Page 5 of 10 Page ID #:172

Engineers Oil Company Enova Solutions Inc. Ensign United States Drilling Enterprise Drilling Fluids, Inc. Envent Corporation EnviroTech Consultants Inc. EOG Resources, Inc. EPIC/Irvine ERG Resources LLC eSteam, LLC Esys Evans & Walker Everts, Barbara Ann - Royalty Owner Excalibur Well Services Exxon Falconer, Art - Royalty Owner Falconer, Tom - Royalty Owner Farwest Corrosion Control Felderstein Fitzgerald Willoughby & Pascuzzi LLP Ferguson Resources, Inc. Finnegan, Paul M. - Royalty Owner FMC Technologies Foothill Energy LLC Freeport-McMoRan Oil & Gas Frusetta, Robert - Royalty Owner Gaines, Cynthia - Royalty Owner Galjour, Kim - Royalty Owner Gazelle Transportation, Inc. General Production Service Inc. Geo Drilling Fluids, Inc. GeoMechanics Technologies George Kahn Operating Company Gerlach, Anita - Royalty Owner GES, Inc. Gibson, Dunn & Crutcher LLP Gibson, Susan Judkins - Royalty Owner GlassPoint Solar, Inc. Golden Gate Oil, LLC Gosnell, Liz - Royalty Owner Grizzle, Brent - Royalty Owner Halliburton Energy Services Hancock, Eugene S. - Royalty Owner Hanna and Morton LLP Harty, Judith - Royalty Owner Hathaway LLC Hathaway, J. Ben - Royalty Owner Hawker Energy Hazard, Ed - Royalty Owner/NARO-CA Heck, Ronald - Royalty Owner Hellman Properties, LLC Henry W. Scharf Accounting Corporation Case 2:16-cv-07381 Document 9-1 Filed 10/03/16 Page 6 of 10 Page ID #:173

Herley-Kelley, LLC Hinson Gravelle & Adair LLP Hogg Drilling Specialty Construction, Inc. Hollister & Brace, Attorneys Holmes Oil Company Holmes Western Oil Corporation Hot Tap's Service Howard E. Caywood, Inc. Hoyt Energy, LLC Hull, Harry - Royalty Owner Imperato, Douglas - Royalty Owner Incremental Oil and Gas, LLC Insight Environmental Consultants, Inc. Integro Insurance Brokers InterAct PMTI IQA Solutions, Inc. Irani Engineering IRWIN Industries, Inc. J.D. Rush Company, Inc. Jerry Melton & Sons Construction, Inc. JLT Specialty John M. Phillips Oilfield Equipment Jones, Louise Hays - Royalty Owner Joseph M. Thomas Investments JTF Process Solutions Katherman, Charles - Royalty Owner Keith, Gaelyn - Royalty Owner Kelly OCT Kenai Drilling Limited Kern Bluff Resources LLC Kern Island Insurance Kern Oil & Refining Company Kern River Holdings, Inc. Key Energy Services, LLC Kilpatrick, David - Royalty Owner Kourt, Warren K. & Associates, Inc. KPA Strategies Krummrich Engineering Corporation Kudu Pumps KVS Transportation, Inc. Lasser, Inc. LBTH, Inc. Linn Energy Lloyd Properties Locke Lord LLP Lodi Gas Storage, LLC Long Beach Gas & Oil Long, Robert - Royalty Owner Longbow, LLC Lovingfoss, Don - Royalty Owner Luna & Glushon Case 2:16-cv-07381 Document 9-1 Filed 10/03/16 Page 7 of 10 Page ID #:174

Lunday-Thagard MacMurray, Katherine - Royalty Owner Macpherson Energy Corporation Madison, Ben - Royalty Owner MAKOIL, Inc. Manatt, Phelps & Phillips, LLP Mannon Associates, Inc. Maranatha Petroleum, Inc. Martindale Consultants, Inc. Martinez Testing Service, Inc. Matrix Oil Corporation Matrix Service Mayer Brown LLP McFarland Advisors, Inc. McGriff, Seibels, & Williams McMahon IV, Hugh F. - Royalty Owner MHA Petroleum Consultants Mickelson Land Services, Inc. Midway Laboratory, Inc. Miocene Engineering Services, Inc. Mission Oil Company Mitchell-Grossu Oil Company MKCA LLC MMI Services Morgan Stanley Mr. Crane MTS Solutions Musick, Peeler, & Garrett, LLP Muth Pump, LLC Myhre, Ann - Royalty Owner Naftex Operating Company Nahabedian, Vahagn - Royalty Owner Nalco Champion an Ecolab Company National EWP National Oilwell Varco Noble Americas Energy Solutions Noise Control Corporation Norman Wireline Service, Inc. North American Chemical Services Inc. Northwest Petroleum, Inc. Nossaman LLP O'Brian, Mildred - Royalty Owner O'Brien-Sill Oasis Energy Services LLC Oil & Gas Awards Limited Oil and Gas Asset Clearinghouse Oil Field Tubulars and Supply Co. Oil Flux Americas, LLC Oil Well Service Company Ojai Oil Company Ossentjuk & Botti Case 2:16-cv-07381 Document 9-1 Filed 10/03/16 Page 8 of 10 Page ID #:175

Outlook Oil Outsource Solutions, Inc. Pacific Coast Energy Pacific Gas & Electric Company Pacific Operating Company PacSeis, Inc. Park National Bank Parsons Pascine, George - Royalty Owner Paspalof, George - Royalty Owner Pathfinder Energy, Inc. Patriot Environmental Services Patriot Resources LLC PayZone Inc. Peak Operator LLC Pearson-Sibert Oil Company Pensinger Trailer Rentals Petro Capital Resources, LLC Petro Resources PetroCloud Petrol Production Supply, Inc. Petrol Transport Inc. PetroLand Services Petrolects, LLC Petroleum Land Management, Inc. PetroRock, LLC PETROtech Petru Corporation PGH Petroleum & Environmental Engineers, LLC Phillips66 Pioneer Midway Oil Company Plains Marketing, L.P. PLCs Plus International Power Run, LLC PRE Resources, LLC Prentice, Lila - Royalty Owner Process Instruments, Inc. Providence Strategic Consulting, Inc. QMC Hydraulic Cranes Quad Knopf Quinn, Carl S. - Royalty Owner R & R Resources, LLC Rancho Energy Consultants, Inc. REC Solar RECES Environmental Consulting Reed, Roy - Royalty Owner Reef Ridge Energy Company LLC Regatta Solutions Rehart, Linda - Royalty Owner Renaissance Petroleum, LLC Ridgeway Corporation Case 2:16-cv-07381 Document 9-1 Filed 10/03/16 Page 9 of 10 Page ID #:176

Rio Delta Resources, Inc. Robert A. Booher Consulting Robert Heely Construction (RHC) Robin's Enviro Vac Rockin CJ Transport Rosekrans, Adolph - Royalty Owner RP Vititow Construction Corporation Russell, Harold J. - Royalty Owner Rutan & Tucker, LLP Ryca Energy, LLC S & S Oil Company Safety Scan USA Salt Creek Oil LLC Sampson Operators San Joaquin Bit Service, Inc. San Joaquin Facilities Management Santa Maria Energy Schlumberger Technology Corporation SCS Tracer Environmental Seneca Resources Corp. Sentinel Oil & Gas Consultants Sentinel Peak Resources Sequoia Exploration, Inc. Shaffer Environmental Consulting Shell Trading Sidney A Hessler Accountancy Corp. Sierra Recycling & Demolition Signal Hill Petroleum Silcott, Bobbie Jo - Royalty Owner Silver Exploration Sinclair Well Products Sipp, Mary Jo - Royalty Owner Snow Well Service, Inc. Soli-Bond, Inc. South Valley Biology Consulting LLC Southern California Edison Southern California Waste Water SPEC Services SPEC Services, Inc. Stark, Michael - Royalty Owner Stephens Production Company - Rockies Division Sterling Engineering Stoel Rives LLP Stone Cabin Resources, LLC Strabala, Nancy - Royalty Owner Sturgeon Services International, Inc. Summit Energy, LLC Sweet Oil Tool Rental Inc. Systecon North America Tamarack Oil and Gas LLC Temblor Petroleum Company LLC Case 2:16-cv-07381 Document 9-1 Filed 10/03/16 Page 10 of 10 Page ID #:177

Termo Company Terraphase Engineering Tesoro Refining & Marketing Company LLC Tether Law Texas Crude Energy, Inc. Texican Energy Corporation TGC Resources LLC Tierney, Katherine - Royalty Owner Titan Oilfield Services, Inc. Total-Western, Inc. Towne Exploration Company Travelers Insurance, Oil and Gas Department TRC Operating Company, Inc. Treadwell, Mark - Royalty Owner Trio Petroleum LLC TWIW Insurance Services, LLC U.S. Oil & Gas United Agencies, Inc. Valley Perforating Company Valley Water Management Company Vaquero Energy, Inc. Veir Corp Venoco, Inc. Vern Jones Oil & Gas Corporation Virginia Oil & Land Company W.D. Phillips Construction Wallace, William & Margaret - Royalty Owners Walter Mortensen Insurance Warren E&P, Inc. Watkins Construction Company, Inc. Watt Mineral Resources Weatherford US, Inc. Wells Fargo Bakersfield Wells Fargo Bank, N.A. - Denver Energy Group Wells Fargo Energy Capital West Coast Casing LLC West, Jack - Royalty Owner Westside Waste Management Company, Inc. Weststar, Inc. White Wolf Land Service Winckler, Barbara - Royalty Owner WZI Inc. Yorke Engineering, LLC Yunker, Donald A. - Royalty Owner Zalco Laboratories, Inc. Zemp, Kerry