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Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

08/08/2018 1986 STEA Ltd Partnership I Program Acquisition Company 05/21/2001 WY 1986 STEA Ltd Partnership II Program Acquisition Company 05/21/2001 WY 1987-STEA Ltd Partnership Program Acquisition Company 05/21/2001 WY 1987-II STEA Ltd Partnership Program Acquisition Company 05/21/2001 WY 1987III STEA Ltd Partnership Program Acquisition Company 05/21/2001 WY 1987-IV STEA Ltd Partnership Program Acquisition Company 05/21/2001 WY 1987-VI STEA Ltd Partnership Program Acquisition Company 05/21/2001 WY

1988-I TEAI Ltd Partnership Program Acquisition Company 05/21/2001 WY 1988III TEAI Ltd Partnership Program Acquisition Company 05/21/2001 WY 1988IV TEAI Ltd Partnership Program Acquisition Company 05/21/2001 WY 1988-V TEAI Ltd Partnership Program Acquisition Company 05/21/2001 WY 1988-VI TEAI Ltd Partnership Program Acquisition Company 05/21/2001 WY 1988VII TEAI Ltd Partnership Program Acquisition Company 05/21/2001 WY 1989III TEAI Ltd Partnership Program Acquisition Company 05/21/2001 WY 3TECH Energy Corp PXP Gulf 07/17/2003 NM 44 Canyon, L.L.C. Pure Resources, LP 06/08/2006 NM

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

AA Development Corporation AA Energy Corp 02/11/1985 WY Amended Decision-Additional Lease 10/29/1985 WY AA Energy Corp AMR Energy Corp 02/11/1985 WY Amended Decision-Additional Lease 10/29/1985 WY Aberdeen American Petro Aberdeen Petro (USA) Inc 04/10/1990 WY 05/14/2013 CO Abraxas Operating, LLC Abraxax Petroleum Corporation 08/26/2013 WY Abraxas Production Co Abraxas Petroleum Corp 11/30/1999 WY ABO Petroleum Corporation EOG A Resources Inc. 12/01/2016 NM 12/14/2016 WY Ackerman, R.J Ackerman, Phyllis L 10/23/1991 WY Adobe Oil & Gas Corp Adobe Resources Corp 03/06/1986 WY (Amended Decision) 05/09/1986 WY (Amended Decision) 12/10/1986 WY Adobe Petroleum Corp Adobe Resources Corp 05/15/1987 WY (Amended Decision) 05/04/1995 WY Adolph Coors Brewing Company Molson Coors Brewing Company 08/27/2007 CO (Wyoming Decision) 12/19/2007 WY Adobe Resources Corp Santa Fe Energy Resources Inc 05/04/1995 WY AEC Gathering Services (USA) Inc EnCana Gathering Services (USA) Inc 05/23/2002 MT AEC Gulf of Mexico Inc EnCana Gulf of Mexico Inc 05/23/2002 MT AEC International (USA) Inc EnCana International (USA) Inc 05/23/2002 MT AEC Marketing (USA) Inc EnCana Marketing (USA) Inc 05/23/2002 MT

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

AEC Oil & Gas (USA) Inc EnCana Oil & Gas (USA) Inc 05/23/2002 MT AEC Oil & Gas Co Ltd EnCana Oil & Gas Co Ltd 05/23/2002 MT AEC Oil & Gas Partnership EnCana Oil & Gas Partnership 05/23/2002 MT AEC Pipelines (USA) Inc EnCana Pipelines (USA) Inc 05/23/2002 MT AEC Storage & Hub Services Inc EnCana Gas Storage Inc 05/23/2002 MT AEC West Ltd Encana Pipelines Ltd 05/23/2002 MT AEC Pipelines Ltd EnCana Pipelines Ltd 05/23/2002 MT 12/28/2010 MT Agate Petroleum, Inc. St Mary Land & Exploration Company 01/04/2011 WY AGM Corp Diamond Shamrock 03/18/1987 WY 03/17/2010 NM Aguasal Holdings LLC Henry Petroleum LP 03/24/2010 WY Ahrens, Oma B Oma B. Ahrens Estate to Bart Patrick Yates as successor- 03/03/2006 WY in-interest CO AIRCO, Inc. The BOC Group, Inc. 06/06/2008 WY 02/12/2014 06/06/2008 CO AIRCO Delaware, Inc. AIRCO, Inc. 02/12/2014 WY Airtouch Communications Inc Vodaphone Airtouch PLC 02/24/2004 WY Airtouch Communications Inc Vodaphone America Asia Inc 02/24/2004 WY AKI Oil and Gas Corporation C&K Petroleum Inc 02/18/1981 NM

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Akin Beene Resources LLC Blackbeard Operating East LLC 08/15/2016 NM 08/23/2016 WY Alberta Energy Co Ltd PanCanadian Energy Corp 05/23/2002 MT Alenco Oil & Gas ND Inc AEC Oil & Gas USA Inc 11/16/2001 WY Alliance Real Estate, Inc. Kimmeridge Real Estate, Inc. 12/09/2014 WY Alene Oil Co Tenkay Resources, Inc. 12/18/1989 WY Alliance Exploration & Prod Co Allco Exploration Company 08/04/1982 WY Alpetco Inc McAlester Fuel Co 04/29/1977 MT 07/08/1977 WY Alta Energy Corp Devon Energy Operating Corp 04/10/1995 WY Altex Resources Company Altex Energy Corporation (New Mexico Decision, oil & gas leases only) 02/20/2008 NM (Wyoming cover memorandum, oil & gas leases only) 03/10/2008 WY Amacan Resources Corp Spire International Corp 01/02/1997 MT Amax Oil & Gas Inc Union Pacific O&G Co 01/18/1995 WY 03/30/1995 NM Amax Petroleum Corp Nemidco, Inc. 12/29/1994 WY Bond Decision—Rider Added 01/12/1995 WY Amber America Resources Inc American Banner Res Inc 06/18/1980 WY Ambrose Lee, Jr. Estate of Ambrose Lee, Jr., Austin R. Lee, Se. Executor 07/11/2008 WY Amcana Oil Corporation I.C. Gas Amcana 12/12/1984 WY Amended Decision-Additional Lease 02/13/1985 WY Amco Oil Corporation Associated Royalty Company 08/16/1973 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Amaricen General Partnership Amaricen Holdings, L.P. 10/12/2007 WY Southern Minerals Corporation Montana Notice (Oil and Gas Leases Only) 05/06/2008 MT Wyoming Cover Memorandum America Energy Corporation (Oil & Gas Leases Only) 05/12/2008 WY Amerada Hess Corporation Hess Corporation (Oil & Gas Leases Only) 07/11/2006 MT (Rights-of-Way Grants Only) Pending WY Ameriada Petroleum Corp Amerada Hess Corp 10/20/1969 WY American Cometra, Inc Pearlstone Energy Partners LLC 10/21/2005 MT 06/18/2013 NM American Energies Corporation Trex AEC, LLC 08/26/2013 WY American Exploration Co Louis Dreyfus Natural Gas Corp 07/29/1998 WY (Amended Decision) 08/06/1998 WY (Amended Decision) 01/10/2007 MT (Amended Decision) 01/23/2007 WY American Energy Co Meahger O&G, Prop Inc 03/14/1998 WY American Minerals Mgmt Inc American Res Mgmt Corp 03/10/1975 WY (Amended Decision) 01/23/1976 WY (CO State Office Decision) 04/04/1977 CO American National Petroleum Company Goodrich Petroleum of LA 11/04/1999 WY American Natural Gas Prod Co ANR Production Co 10/14/1980 WY 07/13/2011 MT American Oil & Gas, Inc. Hess Bakken Investments I Corporation 07/22/2011 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

American Petrofina Company of Texas Fina Oil & Chemical Co 06/24/1986 WY 05/11/1987 WY 10/11/1990 WY American Petrofina Inc Fina Inc 05/07/2002 MT American Petrofina Marketing Inc American Petrofina Company of Texas 06/28/1985 WY (Certificate Only) American Prod Partnership Ltd-III American Prod Partnership III-Ltd 06/21/1991 WY American Prod Partnership Ltd IV American Prod Partnership-IV Ltd 06/21/1994 WY American Quasar Petro Co of NM Wolverine Exploration Co of Delaware 10/16/1987 WY American Trading & Production Corporation Tema Oil and Gas LLC 09/4/2012 NM 10/30/2012 WY Americomm Resources Corp Empire Petro Corp 10/25/2001 WY Austral Oil Company 01/10/2007 MT Amerox Acquisition Corp (Oil and Gas Leases Only) 01/23/2007 WY Aminoil Inc Phillips Oil Company 06/04/1985 WY Aminoil Resources Inc Aminoil USA Inc 02/15/1977 WY Aminoil Inc 02/07/1984 WY Aminoil USA Inc (Amended Decision) 08/22/1985 WY 08/05/2008 NM Amistad Land & Cattle Co., Inc. Spike Box Land & Cattle Company, Inc. 08/22/2008 WY Amoco Production Company BP America Production Co 01/16/2002 WY AMR Energy Corp TOGA Petroleum Company 08/27/1986 WY Anadarko E&P Company LP Anadarko E&P Company LLC 02/13/2013 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Corrected Notice 02/25/2013 WY Anadarko LOGC Company LLC Anadarko E&P Onshore, LLC 04/30/2013 WY Anadarko Titleholder 1, LLC Anadarko E&P Onshore, LLC 05/08/2014 WY Anderman Oils Ltd 10/10/1997 WY Anderman Oils LLC (Amended Decision) 07/02/1998 WY Anderman Oils Wyoming, Inc. Heritage Energy Resources, Inc 10/21/2005 WY Anderman Operating Company Anderman/Smith Operating Co 01/20/1988 WY Anderson, Ada A. Estate of Ada A. Anderson 01/13/2014 WY Estate of Donald B. Anderson, Jr., Rebecca Jo Gregg Anderson, Donald B. Jr. Anderson sole heir to the estate. 08/16/2013 WY Anderson, Evelyn B. Estate of Evelyn B. Anderson 01/10/2014 WY Anderson, Georgia, Estate of Georgia F. Anderson Trust, James H. Anderson, trustee 06/25/2003 WY Anderson, Paul D. Estate of Paul D. Anderson 09/20/2012 WY

Anderson, Payton V. Estate of Payton V. Anderson 09/24/2012 WY

Anderson, Warren D. Estate of Warren D. Anderson P01/14/2014 WY

Andover Oil Company Santa Fe Minerals Inc 05/02/1995 WY

ANR Production Company EP Production Merger Company, L.L.C. 08/21/2009 WY

Anschutz Exploration Corporation (Colorado Notice- Oil & Gas Leases Only) 05/28/2008 CO Anschutz Exploration Corporation (Wyoming Cover Memorandum

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Ansbro Petroleum Company, LLC Oil & Gas Leases Only) 06/02/2008 WY Anschutz Corporation Inc, The The Anschutz Corporation 12/12/1972 WY Anschutz Western Corp, et al Anschutz Exploration Corp 11/21/2002 CO (Anschutz Colorado Corp, Anschutz Gold Coast Corp, Anschutz Permian Corp, Anschutz Western Corp, Anschutz Williston Basin Corp, Anschutz Wyoming Corp) Anslemi, John M Estate of John M Anslemi 07/19/2018 WY AnSon Partners Limited Partnership Chesapeake Merger II Corp. 08/22/2008 WY AnSon Production Corporation Chesapeake Merger II Corp. 08/22/2008 WY Antelope Coal LLC Oil & Gas Leases Only Antelope Coal LLC 12/23/2008 WY Antelope Coal Company Coal Leases only 01/15/2009 WY Antelope Gas Products Co Antelope Production Co 09/26/1984 WY Antlers Enterprises Inc Simba Energy Corp 04/23/2001 NM Apache Energy Inc Apache Energy and Minerals Company 04/14/1980 WY Apache Exploration Corporation Apexco, Inc 08/14/1973 WY APD Company APD Energy Company, LP 07/14/1988 WY Apexco, Inc. Natomas North America, Inc. 03/23/1978 WY APX Corp Anadarko Petro Corp 09/30/1992 WY 04/18/2011 ES

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Ashland Exploration, Inc. Blazer Energy Corp. 04/21/2011 WY APX Western Corp Anadarko Petro Corp 09/30/1992 WY Aquarius Drilling Corporation Aquarius II Incorporated 06/10/1982 WY Elf Aquitaine Inc 03/07/1978 WY Amended Decision-Added Lease 04/03/1978 WY Aquitane Oil Corporation Amended Decision-Added Lease 10/23/1979 WY Arapaho Petro Inc Intoil Inc 04/22/1992 WY Arapaho Energy Inc Arapaho Petro Inc 04/22/1992 WY Arch Mineral Corp. Arch Coal, Inc. 08/13/2004 WY Arch of Wyoming, Inc Arch of Wyoming LLC 09/10/1999 WY Arch Oil & Gas Company Coseka Res (USA) Ltd 11/04/1988 WY Arch Petroleum, Inc. Pogo Petroleum Company 03/27/2006 WY Argent Ene Inc Woods Research & Development Corp 04/16/1992 WY Arrow Oil & Gas, Inc. Arrow Oil & Gas, LLC 04/24/2012 NM 11/02/2012 WY Ashland Oil & Refining Company Ashland Oil Inc 06/08/1970 WY Asterik Inc Montex Exploration Co 06/24/1986 WY Atlantic Oil Corporation Stephens Energy Company LLC 05/21/2012 CO 07/12/2012 WY Atlantic Refining Company Atlantic Richfield Company 02/25/1987 WY 08/09/2011 ES Atlas Gas & Oil Company, LLC Chevron Michigan, LLC 08/17/2011 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

04/23/2010 ES Aurora Energy, Ltd Aurora Oil & Gas Corporation 05/04/2010 WY American Exploration Company 01/10/2007 MT Austral Oil Company (Oil and Gas Leases Only) 01/23/2007 WY Avance Oil & Gas Company, Inc. Amax Petroleum Corp 05/13/1982 WY Aviara Energy Corp Hunt Petroleum (AEC) Inc 08/26/2002 CO Axem-Blackbird LLC Blackbird LLC 05/25/2005 WY Axem-Blubell LLC Westport Acquisition LLC 05/25/2005 WY Axem-JCEC LLC Westport Acquisition LLC 05/25/2005 WY Axem Energy Co Westport Oil & Gas Company Inc 05/25/2005 WY Axem Energy LLC Westport Acquisition LLC 05/25/2005 WY Axem Production LLC Westport Acquisition LLC 05/25/2005 WY Westport Oil & Gas Company Inc 10/24/1997 CO 11/21/1997 WY Axem Resources Inc Amended Decision 05/25/2005 WY Noarko Resources Inc 12/29/1983 WY (Amended Decision-Additional Leases) 08/28/1984 WY Aztec Energy Corp (Amended Decision-Additional Leases) 04/15/1985 WY 01/27/1978 CO 02/01/1978 WY Aztec Oil & Gas Co Southland Royalty Company 05/24/1978 NM Aztec Resources Corporation WEPCO Energy Company 05/01/1987 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

B&C Exploration Company Rainbow Resources, Inc. 05/19/1972 WY B.A. Duncan, Inc J Walter Duncan, Jr. Inc. 01/20/1989 WY Bailey, Rosalind Lavonne Estate of Rosalind Lavonne Bailey 04/03/2014 WY Balcron Oil Co Equitable Res Energy Co 06/25/1992 WY Baldwin Exploration Corporation Baldwin Lynch Energy Corp. 08/17/2010 WY Ballard Energy (Delaware) LP 03/19/1997 WY Ballard Energy 1992 Ltd Partnership (Amended Decision) 06/21/2004 WY Ballard ENE (Delaware) LLC 03/19/1997 WY Ballard Energy (Delaware) LP (Amended Decision) 06/25/2004 WY Ballard Petroleum LLC 03/20/1997 WY Ballard Energy (Delaware) LLC (Amended Decision) 06/25/2004 WY Ballard Energy 1992 LP Ballard Petroleum LLC 04/17/1997 WY Ballard Petroleum LLC AEC Oil & Gas (USA) Inc 02/13/2002 WY Ballard Petroleum LLC Ballard Petroleum Holdings LLC 03/13/2001 WY Barby Energy Corporation Latigo Oil & Gas Inc 03/02/2005 NM Barfield Oil Corporation Evergreen Operating Corporation 03/16/1990 WY Bargo Energy Company Mission Resources Corporation 08/28/2002 CA January 12, 2010 NM Barnes Barrett, LLC North Dallas Energy Holdings LLC January 26, 2010 WY Barrett Energy Inc Plains Petroleum Co. 03/14/2001 WY Barrett Energy Company Barrett Resources Corp 07/18/1995 WY (company dissolved) (assets returned to parent company)

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Barrett Resources Corp Williams Prod RMT Company 09/18/2001 WY 06/14/2010 CO Basic Earth Science Systems, Inc. Earthstone Energy, Inc. 07/29/2010 WY Basin Energy Inc Sterling Energy Corporation 04/19/1995 WY Basin Exploration Inc Stone Energy LLC 02/28/2001 WY Basin Operating Company Basin Exploration Inc 05/23/2001 WY Basin Sterling Inc Basin Exploration Inc 04/19/1995 WY Bass Brothers Enterprises Inc Bass Enterprises Production Company 10/28/1985 WY Bass Enterprises Production Co Bass Brothers Enterprises Inc 03/01/1986 WY Bass Enterprise Production Company BEPCO, L.P. 01/14/2006 NM Basura Oil Company Simba Energy Corp 04/23/2001 NM Estate of Robert Lee Bayless, Sr.: Robert Lee Bayless, JR. and Price Murray Bayless personal representatives for the Bayless Robert Lee (L) Estate of estate 02/12/2008 WY Baytex Energy USA Ltd Baytex Energy USA LLC 08/15/2014 WY Baytex ND LLC SM Energy Company 02/17/2015 MT WY Bayou Resources, Inc. Patrick Bayou Corporation 03/30/1989 WY BBH Operating LLC Lusk Operating LLC 08/24/2016 WY BC Merger SUB, Inc. Evergreen Resources, Inc. 02/10/2005 MT 03/27/2002 NM Beacon Exploration Company Toklan Oil & Gas Corp 04/24/2002 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Beacon Holding Company Beacon Exploration Company 03/07/1984 WY Bearcat Drilling LLC JMC Oil Field Services, LLC 07/28/2010 NM 04/06/2015 WY Beard John M John M Beard Estate 11/3/2016 WY Beard Oil Company The Beard Oil Company 03/30/1987 WY Beard Oil Company 03/30/1987 WY Beard Oil Company, The (Amended Decision) 04/28/1987 WY Beard Oil Company, The UPC Holding Corporation 06/02/1989 WY Beaver Creek Hydrocarbons Inc Simba Energy Corp 04/23/2001 NM BEC Merger Corp The Beard Company 06/02/1989 WY Beeline Gas Systems LLC JMC Oil Field Services, LLC 07/28/2010 NM 04/06/2015 WY Belco Development Corp Enron Oil & Gas Co 11/16/1990 WY 02/07/2002 CO Belco Energy I LP Westport Oil & Gas Company Inc 02/25/2002 WY 02/07/2002 CO Belco Energy Corp Westport Oil & Gas Company Inc 02/25/2002 WY Belco Energy Corp Westport Oil & Gas Company Inc 02/25/2002 CO Belco Energy LP Belco Energy I LP 07/26/1999 WY Belco Oil & Gas Corp Belco Operating Corp 11/14/2000 WY Belco Operating Corp Belco Energy Corp 06/24/1999 WY Belco Petroleum North American, Inc. Enron Oil & Gas Company 09/26/2005 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Bell Atlantic Corp Vodaphone Airtouch PLC 02/24/2004 WY Bell Creek Petroleum Company Gary-Williams Oil Producer Inc 08/14/1985 WY Vanderbilt Energy Corporation 05/04/1995 WY Bell Western Corp (Amended Decision) 08/19/1986 WY Bellwether Exploration Company Mission Resources Corporation 08/28/2002 CA Enron O&G Company 11/16/1990 WY BelNorth Energy Corp Amended Decision-Added Lease 04/14/1987 WY BelNorth Petro Corp Enron Oil & Gas Co 11/16/1990 WY Bennett Petroleum Corp Garfield Coal Sales Inc 05/31/1995 WY BOPCO, L.P. 01/08/2007 CO BEPCO Operating Company (Oil and Gas Leases Only) 01/23/2007 WY 05/25/2011 NM Berexco Inc. Manual Corporation 06/01/2011 WY Beta Exploration Inc Dietrich Resources Corp 04/03/1995 WY Betty C. Hasbrouck Clark Betty C. Hasbrouck Clark Estate 08/31/2015 WY BHP Petroleum (USA) Inc BHP Petroleum(Americas) Inc 12/03/1985 WY BHP Billiton Petroleum (TXLA Operating) Company BPX Operating Company 07/08/2019 WY ES Big Piney Oil & Gas National Energy Group Inc 10/25/1991 WY Bill Barrett CBM Corporation Bill Barrett Corporation 06/10/2014 WY Bill Barrett CBM, LLC Bill Barrett CBM Corporation 09/24/2010 WY Bill Barrett Corporation Highpoint Operating Corporation 04/17/2018 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Bill Barrett CBM Corporation Bill Barrett Corporation 06/10/2014 WY Bill Barrett Production Company Bill Barrett Corporation 09/27/2010 WY Bill Barrett Properties Inc. Bill Barrett Corporation 09/27/2010 WY Bill Clark Betty D. Hasbrouck Clark 08/20/2015 WY Estate of Osias Biller, United Jewish Appeal is beneficiary of 03/18/2005 WY Biller, Osias oil and gas properties Bird Creek LLC Chesapeake Exploration LP 04/26/2005 NM Bison Energy Corp Middle Bay Oil Co 01/01/1998 NM Bison Production Co Middle Bay Production 02/15/1998 NM Black Diamond Minerals, LLC MRD Operating, LLC 09/01/2015 WY Blackfoot-Cherokee Energy Inc Bonanza Petroleum Inc 12/12/1985 WY Blackburn Oil & Gas LLC Grant Canyon Oil & Gas LLC 02/18/2016 NV 02/22/2016 WY Black Hawk Resources Corp Wedco Resources Corp 10/07/1985 WY Black Hills Gas Distribution LLC Black Hills Energy Services Company 04/16/2018 CO 05/21/2018 WY Black Ridge Oil & Gas, Inc. Ante5, Inc. 06/19/2012 ES 08/29/2012 WY Blackstone Natural Resources II-B LP Black Stone Minerals LLc 03/21/2014 WY Blackstone Natural Resources II LP Black Stone Minerals LP 03/21/2014 WY Black Stone Natural Resources IV-B, L.P. Black Stone Minerals Company, L.P. 06/22/2012 ES Pending WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

04/18/2011 ES Blazer Energy Corp. EQT Production Company 04/21/2011 WY Blocker Exploration Company ENSCO Resources Company 06/02/1989 WY Bluerock Energy Inc Tika Energy Inc 09/10/2004 WY Bluwater Oil & Gas Corp Prenalta Corp 01/06/1988 WY BMOG, LLC Black Mountain Operating, LLC 07/14/2016 WY BOAG O&G CO Burmah O&G Co 01/24/1975 WY 06/08/2008 CO BOC Group, Inc., The Linde, Inc. 12/12/2014 WY 02/07/2002 CO BOG Wyoming LLC Westport Oil & Gas Company Inc 02/25/2002 WY Bogert Oil Company Louis Dreyfus Natural Gas Corp 12/01/1993 WY Bolack, Tom Thomas Felix Bolack Revocable Trust 11/14/2001 WY Bold Energy LP OXY NM LP 08/05/2013 NM 08/27/2013 WY Bomac Exploration Company W.R. Grace and Company 08/11/1976 WY Bonanza Petroleum Inc Tri-Power Petroleum Inc 10/10/1986 WY 08/19/2002 WY 08/19/2002 CO Bonneville Fuels Corp Carbon Energy Corp (USA) 08/26/2002 WY Estate of Peter John (J.) Borcuk, Cecilia J. Borcuk, 10/23/2006 WY Borcuk, Peter John (J.) Independent Executrix and Beneficiary. Bordeaux Trading Company Bordeaux Petroleum Company 02/26/1981 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Borgerding, James H James H Borgerding Trust 01/12/1999 WY Bow Valley O&G Inc Great WTN Oil & Gas Inc 11/14/1988 WY Bow Valley O&G Inc Great WTN Onshore Inc 02/23/1990 WY Bow Valley Petroleum, Inc GW Petroleum, Inc 10/28/1988 WY BP Exploration Inc TEX/CON Company 04/12/1990 WY (Vacated) (Vacated) 07/16/1990 BPH Operating LLC Lusk Operating LLC 08/24/2016 WY Bradley Producing Corp Triton O&G Corp 03/07/1989 WY Bran Oil Corp Branex Res Inc 11/22/1989 WY 02/17/2011 MT Branch Oil and Gas LaMarsa Corp. 02/25/2011 WY Brazos Young Corp Tenkay Resources, Inc. 12/18/1989 WY Breck Energy (Nevada), LLC Grant Canyon Oil & Gas, LLC 07/23/2013 NV 08/27/2013 WY Brek Petroleum, Inc Gasco Production Company 10/21/2008 WY Breitburn Energy Co Breitburn Energy Co LLC 07/15/1998 WY Breitburn Energy CO LLC Breitburn Energy Co LP 11/20/2004 WY Breitburn Energy Company LP (oil & gas leases) 02/15/2007 WY Breitburn Wyoming (rights-of-way grants) 03/20/2007 WY Bridge Oil PNG Inc Parker & Parsley; Prod LP 12/27/1996 MT Bridge Oil Philippines Parker & Parsley; Prod LP 12/27/1994 MT

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Bridge Oil Pipeline Co Parker & Parsley; Prod LP 12/27/1996 MT 08/31/1994 MT Bridge Oil Co LP Parker & Parsley; Development LP 06/15/1995 WY Bridger Exploration Inc Antoco Inc 08/01/1984 WY Home Petroleum Corporation 02/07/1980 WY Bridger Petroleum Corporation Amended Decision 06/02/1980 WY 05/30/2013 CO Brigham Oil & Gas, LP Statoil Oil & Gas, LP 08/26/2013 WY 01/30/2012 NM Bright & Company I, Ltd Harvard Petroleum Company, LLC 03/28/2012 WY 01/30/2012 NM Bright & Company LP Bright & Company I, Ltd 03/28/2012 WY Brighton Energy LLC Unit Petroleum Company 03/09/2016 WY BRG Petroleum Corporation Chesapeake Exploration LP 04/26/2005 NM WCB Investments LLC New Mexico Notice(Oil & Gas Leases Only) 03/10/2008 NM Briggs, William C. Wyoming Cover Memorandum (No leases) 03/18/2008 WY Britoil Ventures Inc Ninian Oil Co 11/05/1987 WY Brock Exploration Corp Key Production Company Inc 10/08/2002 WY Brock Oil & Gas Corporation Key Production DC Company Inc 10/08/2002 WY Brown Ranger Properties, LLC EnCana Oil & Gas (USA), Inc. 07/30/2012 NM 08/22/2012 WY Brunson & McKnight, Inc. New-TX Oil Company 02/08/2017 NM

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

02/14/2017 WY Bryson Operating Co Caspen Operating Co 06/23/1989 WY 02/11/2014 NM BSAP II, Inc. Black Stone Energy Company, LLC 03/17/2014 CO BSNR III Working Interest GP LLC Black Stone Energy Company, LLC 03/21/2014 WY BSNR IV GP, L.L.C. Black Stone Minerals Company, L.P. 06/22/2012 ES 08/31/2012 WY

BTA Oil Producers, LLC 03/31/2009 MT BTA Oil Producers ( Notice Received in WSO) 06/08/2009 WY Buckhorn Petroleum Co Harper Oil Company 03/15/1985 WY Amended Decision-Additional Lease 10/23/1984 WY Martin Bucksbaum Revocable Trust & 09/11/2001 WY Bucksbaum, Martin Martin Bucksbaum Marital GST Trust Buffalo Operating LLC Buffalo Operating Corp 09/27/2000 WY Butschli, Jacob Jacob Butschli 1983 Tr 07/13/1992 WY Burlington Northern Inc Burlington Northern Railroad Company 04/23/1982 WY Burlington Northern Transportation Company Burlington Northern Inc 04/23/1982 WY Burlington Res O&G, CO Burlington Res O&G Co LP 06/28/2001 WY Burmah Oil and Gas Co Aminoil USA Inc 01/06/1977 WY Burton/Hawks, Inc. Hawks Industries, Inc. 11/30/1989 WY Buttes Resources Co Reunion Energy Co 11/29/1994 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

C C & K Petroleum Inc ENSTAR Corporation 07/25/1984 WY

Cabello Rojo LLC Cabello Rojo ,Inc. Coal Leases Only 01/15/2009 WY Cabot Carbon Company Cabot Corp 10/17/1960 WY Cabot Exploration Corporation Cabot Oil & Gas Corp 05/13/1991 WY Cabot Gasoline Corp Cabot Corp 10/17/1960 WY Cabot Petro Corp Cabot Oil & Gas Corp 05/13/1991 WY Cabot O&G Prod Corp Cabot Oil & Gas Corp 10/14/1997 WY Cabot Oil & Gas Western Corp Cabot Oil & Gas Prod Corp 10/12/1994 WY Cabot Shops Inc Cabot Corp 10/17/1960 WY Caerus Piceance LLC Caerus Piceance LLC 06/11/2018 CO Piceance Divestiture LLCLLC Calark, Inc. STZ Petroleum, Inc. CO 03/24/1999 WY California Company, The California Oil Company 03/10/1961 WY California Oil Company Chevron Oil Company 07/22/1965 WY Rosetta Resources Operating LP Application WY (Rights of Way Grants Only) Withdrawn Calpine Corporation (Oil & Gas Lease Only) Pending WY Calpine Natural Gas Company Calpine Corporation 09/26/2005 WY Calpine Natural Gas Company Calpine Natural Gas Company LP 09/26/2005 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Calpine Natural Gas Company LP Calpine Natural Gas Company 09/26/2005 WY Rosetta Resources Operating L.P. 07/20/2006 WY Calpine Natural Gas L.P. Rosetta Resources Operating L.P. 07/17/2006 NM Estate of John H. Campbell, Katherine Ann Campbell Del Campbell, John H. Curto successor-in-interest to the Estate 05/27/2011 WY Cambridge Royalty Co Global Natural Res Corp of NV 09/14/1988 WY 12/04/2003 MT Camwest Exploration LLC Stephens Energy Company LLC 12/10/2003 WY Can-Am Liquids Co, Ltd, a Delaware Corporation Home Petroleum Corporation 05/23/1974 WY CHK Acquisition, Inc. (Effective June 28, 2002) New Mexico Bond Decision 04/23/2003 NM Wyoming Cover Memorandum 05/14/2003 WY Canaan Energy Corporation Amended Wyoming Cover Memorandum 08/22/2008 WY Capoil Inc Montex Exploration Company 06/24/1986 WY Carmen Acquisition LLC New Mexico Bond Decision 04/23/2003 NM Wyoming Cover Memorandum 05/14/2003 WY Carmen Acquisition Corp Amended Wyoming Cover Memorandum 08/22/2008 WY 10/11/2006 MT Carrollton Resources LLC Pure Resources L.P. 11/06/2006 WY Carter Oil Co Humble Oil & Refining Co 01/28/1960 ES* Trust Under Will For Benefit Of Linda S. Catron 03/03/1986 WY Catron Harriet June, Estate of Trust Under Will For Benefit Of Courtney J. Catron Jr.

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Cavaiuolo John P The John P Cavaiuolo Fund B-GST Exempt Trust 11/09/16 WY Caza Petroleum, Inc. Caza Petroleum, LLC 12/08/2017 NM 12/15/2017 WY CDX Frontier LLC CDX Resources LLC 07/27/2006 NM CCI Paradox Upstream LLC Paradox Upstream LLC 04/05/2017 UT 04/11/2017 WY 01/27/2010 CO CDX Gas LLC Vitruvian Exploration LLC 04/07/2010 WY CDX Gas, LLC 06/08/2006 UT CDX Gas, LLC 07/11/2006 NM CDX Gas, LLC 07/17/2006 WY CDX Rockies LLC CDX Gas, LLC (Amended Decision) 07/27/2006 WY CDX San Juan LLC CDX Gas, LLC 07/27/2006 NM Chaparral Energy, LLC 06/22/2006 (Oil & Gas Leases Only) Chaparral Energy, LLC Withdrawn CEI Bristol Acquisition, LP (Rights-of-Way Grants Only) WY Celsius Energy Company Questar Exploration & Prod Co 12/03/1999 ES* Cenergy Exploration Co Conquest Exploration Co 02/02/1990 WY Cenergy Corp Conquest Exploration Co 02/02/1990 WY Cenex Inc Cenex Harvest States Co-Op 12/01/2000 WY 10/29/1982 CO Centex Oil & Gas West Cenergy Exploration Co 06/22/1982 WY Central Energy Co Central Transmission Systems Co 01/17/1991 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Central La Barge Royalties Kemmerer-La Barge Royalties LLC 10/06/2003 WY Centura Inc Pennsylvania Castle Energy Corp 03/30/1998 WY Richco Exploration Inc 09/13/1982 WY (Amended Decision-Additional Lease) 12/15/1982 WY Century Chartering Co (Amended Decision-Additional Lease) 02/04/1983 WY Century Oil & Gas Corp Charterhall American Inc 10/30/1990 WY CEP Interim Partners LP Convest Energy Corp 11/12/1991 WY CF Braun & Company Santa Fe Braun Inc 08/13/1990 WY Bill Barrett CBM, LLC (Oil & Gas Leases Only) 08/14/2006 WY CH4 Energy LLC (Rights-of-Way Grants Only) Withdrawn WY Champlin Oil & Refining Co Champlin Petroleum Co 10/29/1964 WY Champlin Petroleum Co Union Pacific Resources Co 07/24/1987 WY Champlin Resources Co Union Pacific Resources Co 10/22/1987 WY 05/08/2001 CO Chandler & Associates, Inc. Chandler & Associates, LLC 08/16/2013 WY 10/23/1998 CO Chandler & Associates, Inc. Chandler & Associates, LLC 12/31/1998 WY Chandler & Associates, LLC Shenandoah Operating Co LLC 08/09/2000 WY 05/08/2013 CO Chandler-Simpson, Inc. Chandler & Associates, Inc. 08/16/2013 WY Chaparall Energy Inc Chaparral Energy LLC 12/26/2002 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Chaparral Energy, LLC 06/22/2006 WY (Oil & Gas Leases Only) Chaparral Energy, LLC Pending WY Chaparral Oil LLC (Rights-of-Way Grants Only) Charger Gas Resources, LLC Memorial Production Operating LLC 06/26/2014 WY 05/11/1977 WY Charter Exploration and Production Co Crystal Exploration and Production Co 07/19/1977 CO Charterhall American Inc Aviva American Inc 10/30/1990 WY Chencere Petroleum Corp Adobe Resources Corp 07/10/1999 WY Cheniere Petroleum Corp Adobe Resources Corp 07/10/1989 WY Chesapeake ORC LLC (New Mexico Oil & Gas Leases Only) Chesapeake ORC LLC Wyoming Notice NM Chesapeake Acquisition II LLC (Oil & Gas Leases Only) 06/11/2008 WY Chesapeake BE, L.L.C. Chesapeake Exploration, L.L.C. 10/20/2017 NM 11/01/2017 WY Chesapeake Exploration Limited Partnership (LP) (New Mexico Oil & Gas Leases Only) Chesapeake Exploration Limited Partnership (LP) NM Chesapeake ENO Acquisition LLC (Wyoming Notice Oil & Gas Leases Only) 06/11/2008 WY Chesapeake Exploration Limited Partnership (LP) (New Mexico Oil & Gas Leases Only)

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Chesapeake Exploration Limited Partnership (LP) NM Chesapeake EP, LLC (Wyoming Notice Oil & Gas Leases Only) 06/11/2008 WY

NM Chesapeake Exploration Limited Chesapeake Exploration, L.L.C. 06/11/2008 WY Partnership (LP) Chesapeake Focus, L.L.C. Chesapeake Exploration Limited Partnership 08/22/2008 WY Chesapeake KNAN Acquisition LLC New Mexico Bond Decision 04/23/2003 NM Wyoming Cover Memorandum 05/14/2003 WY Chesapeake KNAN Acquisition Corp Amended Wyoming Cover Memorandum 08/22/2008 WY Chesapeake KNAN Acquisition, L.L.C. Chesapeake Exploration Limited Partnership 08/22/2008 WY Gothic Energy Corporation New Mexico Bond Decision 04/23/2003 NM Wyoming Cover Memorandum 05/14/2003 WY Chesapeake Merger 2000 Corp Amended Wyoming Cover Memorandum 08/22/2008 WY Chesapeake Exploration Limited 05/21/2001 NM Chesapeake Mid-Continent Corp Partnership (LP) Chesapeake Mountain Front LLC New Mexico Bond Decision 04/23/2003 NM Chesapeake Mountain Front Corp Wyoming Cover Memorandum 05/14/2003 WY Amended Wyoming Cover Memorandum 08/22/2008 WY Chesapeake Mountain Front, L.L.C. Chesapeake Exploration Limited Partnership 08/22/2008 WY

Chesapeake Exploration Limited NM Chesapeake NFW, LP Partnership (LP) 06/11/2008

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

(New Mexico Oil & Gas Leases Only) WY Chesapeake Exploration Limited Partnership (LP) (Wyoming Notice Oil & Gas Leases Only) 08/17/2015 ES Chesapeake Operating Inc Chesapeake Operating LLC 10/01/2015 WY Chesapeake Exploration, L.L.C. (New Mexico Oil & Gas Leases Only) Chesapeake Exploration, L.L.C. NM Chesapeake ORC LLC (Wyoming Notice Oil & Gas Leases Only) 06/11/2008 WY Chesapeake PEP Corp. Chesapeake Exploration Limited Partnership 0/22/2008 WY Chesapeake Permian Corporation Chesapeake Permian LP 11/29/2004 NM Chesapeake Exploration Limited Partnership (LP) (New Mexico Oil & Gas Leases Only) Chesapeake Exploration Limited Partnership (LP) NM Chesapeake Permian LP (Wyoming Notice Oil & Gas Leases Only) 06/11/2008 WY Chesapeake PPC Corp Chesapeake Exploration LP 12/30/2005 NM Chesapeake PRH Corporation Chesapeake Exploration Limited Partnership 10/30/2012 NM Pending WY Cheetah Oil Company LOCO 10/21/2005 WY Chesapeake Exploration Limited Partnership (LP) (New Mexico Oil & Gas Leases Only) Chesapeake Exploration Limited

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Partnership (LP) NM Chesapeake Zapata, LP (Wyoming Notice Oil & Gas Leases Only) 06/11/2008 WY Chestnut Petroleum, Inc. Chestnut Exploration & Production, Inc. 08/23/2012 NM 09/20/2012 WY Chevron Oil Company Chevron U.S.A., Inc. 02/22/1977 WY Chevron Michigan, LLC Riverside Energy Michigan, LLC 08/10/2016 ES 10/14/2016 WY Chesapeake KNAN Acquisition Corporation New Mexico Bond Decision 04/23/2003 NM Wyoming Cover Memorandum 05/14/2003 WY CHK Acquisition, Inc. Amended Wyoming Cover Memorandum 08/22/2008 WY Jeffrey D Preston Testamentary Trust & CB Community 11/05/2002 WY Chorney, Jeffrey D aka Jeffrey D. Preston School Parent-Teacher-Student Association Chorney, Raymond Estate of Raymond Chorney 03/26/1992 WY Chris Craft Oil Company American Acquisition Corp of Delware Pending WY Christmann, John J Christmann Minerals Co 05/31/1996 WY Christmann, John J Christmann Family Trust 03/24/2014 WY El Paso Production CIGE Merger Company, L.L.C. Oil & Gas USA, L.P. 08/21/2009 WY CIG Resources Company CIG Resources Company LLC 08/17/2010 WY

CIG Resources Company LLC Colorado Interstate Gas Company 08/17/2010 WY

Cima Resources, Inc. Cima Resources, LLC 07/12/2012 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Circle A Drilling Co The Anschutz Corp, Inc 05/05/1966 WY

Cities Service Oil and Gas Corporation Oxy USA, Inc. 05/16/1988 WY Citation 2002 Investment Limited Partnership 05/15/2007 MT Citation 1987 Investment Limited Partnership (Oil & Gas Leases Only) 05/19/2007 WY Citation 2002 Investment Limited Partnership 05/15/2007 MT Citation 1989 Investment Limited Partnership (Oil & Gas Leases Only) 05/19/2007 WY Citation 2002 Investment Limited Partnership 05/15/2007 MT Citation 1994 Investment Limited Partnership (Oil & Gas Leases Only) 05/19/2007 WY Citation 2002 Investment Limited Partnership 05/15/2007 MT Citation 1998 Investment Limited Partnership (Oil & Gas Leases Only) 05/19/2007 WY Cities Service Oil Company Cities Service Company 08/11/1981 WY City Center Development Co Bass Brothers Enterprises Inc 03/11/1983 WY Clark Canadian Exploration Company Clarcan Petroleum Corporation 05/14/1973 WY Clarcan Petrocorp Ladd Petroleum Corp 08/28/1974 WY Clayton Williams Energy, Inc. NBL Permian, L.L.C. 08/24/2017 NM Cleary Petroleum Corporation Grace Petroleum Corporation 12/12/2005 NM Grace Petroleum Corp 10/12/1978 WY Amended Decision-Added Lease 11/07/1978 WY Amended Decision-Added Lease 12/15/1978 WY Cleary Petroleum Corp Amended Decision-Added Lease 07/02/1981 WY Clements Energy, Inc. Nerco Oil & Gas, Inc. 11/06/1987 WY Club Oil & Gas Ltd Club Oil & Gas Ltd., LLC 07/14/2015 MT 07/16/2015 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

CMS Oil & Gas Company Perenco LLC 12/26/2002 ES* 08/28/2000 WY CMS Nomeco O&G Co CMS Oil & Gas Company 11/18/2002 UT CNG Development Co CNG Producing Co 03/13/1991 WY 06/02/2000 UT CNG Producing Co Dominion Exploration & Prod 06/21/2000 WY 08/05/2008 NM CO2-In-Action Amistad Land & Cattle Company, Inc. 08/22/2008 WY Coastal Oil & Gas Corp El Paso Production Oil & Gas Company 06/25/2001 WY Coastal Oil & Gas Resources Inc El Paso Oil & Gas Res Co LP 06/26/2002 WY Coastal Oil & Gas USA LP El Paso Production Oil & Gas USA LP 11/27/2001 WY Gas Producing Enterprises Inc 02/13/1969 WY Coastal States Enterprises Inc (Certificate Only) Collins Ted Jr Collins Permian LP 03/05/2019 WY Cordero Mining LLC Cordero Mining Company Coal Leases Only 01/15/2008 WY CoEnergy Anadarko Inc CoEnergy Mid-Continent Inc 12/31/1997 NM CoEnergy Central Exploration Inc MCNIC O&G, Properties Inc 12/31/1997 NM CoEnergy Enhanced Production Inc MCNIC Oil & Gas Properties, Inc 12/31/1997 NM CoEnergy Mid-Continent Inc MCNIC O&G Mid-Continent Inc 12/31/1997 NM CoEnergy Operating Co CoEnergy Mid-Continent Inc 12/31/1997 NM CoEnergy Rockies Inc MCNIC O&G, Properties Inc 12/31/1997 NM

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

COG Acquisition Company Cabot Oil & Gas Western Corp 10/12/1994 WY COG Exchange Properties II LLC COG Operating 05/08/2013 NM 08/27/2013 WY 03/17/2010 NM COG Oil & Gas LP COG Operating LLC 03/24/2010 WY COP BROG I LLC Burlington Resources Oil & Gas Company LP 02/24/2020 CO J. J. Cohn Investment Partnership & Joseph Judson Cohn 01/27/2004 WY Cohn, J. J. Declaration of Trust Cohort Energy Company J-W Operating Company 03/29/2012 WY Cokeville Telephone Co Inc Utah-Wyoming Telephone Co 08/15/2006 WY Coline Oil Corp Oil Development Company of TX 04/04/1995 WY Estate of James M. Collins to Collins Oil & Gas Ltd, Dorothy Collins, James M. Dann Collins sole general partner 02/20/2009 WY Colorado Interstate Corp Colorado Interstate Gas Co 02/19/1976 WY (Rights-Of-Way) 03/03/1976 WY (Amended Decision-Additional Leases) 04/02/1976 WY (Amended Decision-Additional Lease) 05/11/1977 WY (Amended Decision-Additional Lease) 04/06/1984 WY Colorado Oil Co Inc Gas Producing Enterprises Inc 12/15/1977 WY 05/26/1978 WY 02/03/1981 WY Colt Holdings, Inc. JN Resources, Inc. 10/03/2005 WY Colt Resources Corporation JN Resources, Inc. 10/03/2005 WY Columbia Gas Dev Corp Aviara Energy Corp 10/21/1996 CO

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

10/15/2010 ES Columbia Gas Transmission Corporation Columbia Gas Transmission, LLC 10/22/2010 WY 02/23/2006 ES Columbia Natural Resources Incorporated Columbia Natural Resources, LLC 06/07/2010 WY 06/23/2006 ES Chesapeake Appalachia, LLC 08/17/2009 WY Columbia Natural Resources, LLC Amended Notice 06/04/2010 WY Columbian Fuel Corporation Cities Service Oil Company 09/18/1968 WY Columbian Fuel Corporation Company Dissolved 11/12/1968 WY Assets to Cities Service Oil Company Amended Decision-Additional Lease 08/30/1971 WY Comet Ene Services LLC Wyoming Ene Services LLC Pending IKE MI Comstock Oil & Gas, Inc. Comstock Oil & Gas LP 03/16/2005 NM 04/22/2005 WY Concho Exploration Inc Chesapeake Permian LP 11/29/2004 NM Concho Oil & Gas LP Concho Resources GP LLC Concho Resources LP LLC Concho Oil & Gas Corp Concho Resources Inc 11/29/2004 NM 03/17/2010 NM Concho Oil & Gas Holdings LP COG Operating LLC 03/24/2010 WY Concho Resources Inc Chesapeake Permian Corp 11/29/2004 NM Concho Resources Inc Devon Permian Corp 07/24/2001 WY Concise O&G Partnership Hallwood Energy Partners LP 12/27/2002 MT

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Connaghan, Robert J Robert J. Connaghan Living Trust 12/23/2013 WY Conoco Inc ConocoPhillips Company 02/14/2003 WY 04/25/2004 ES 07/24/2001 CO Conquest Exploration Company American Exploration Company 02/27/2008 MT Montana Notice(Oil & Gas Leases Only) Wyoming cover Memorandum (Oil & Gas Leases Only) 03/13/2008 WY Conquest/N 1982 Limited Partnership Cancelled and Inactive Conquest Exploration Company as 02/22/2008 MT agent Montana Notice(Oil & Gas Leases Only) 03/13/2008 WY Wyoming cover Memorandum (Oil & Gas Leases Only Conquest/P 1982 Limited Partnership Cancelled and Inactive Conquest Exploration Company as 02/22/2008 MT agent Montana Notice(Oil & Gas Leases Only) 03/13/2008 WY Wyoming cover Memorandum (Oil & Gas Leases Only 09/23/2010 MT Conquest Seismic Services, Inc. Tesla-Conquest Inc. 10/05/2010 WY Consol Gas Company CNX Gas Company, LLC 12/17/2013 WY Hugoton Energy Corporation New Mexico Bond Decision 03/20/1998 NM Consolidated Oil and Gas, Inc. Wyoming Cover Memorandum 03/10/1999 WY Contex Energy Rocky Mountains LLC Contex Energy Company LLC 12/07/2016 WY Contex Energy Company Contex Energy Rocky Mountains LLC 12/07/2016 WY Continental Oil Co Conoco Inc 02/08/1980 WY (Amended Decision-Additional Leases) 05/27/1980 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Continental Pipe Line Company Conoco Pipe Line Company 04/15/1987 Continental Resources Company Resources Liquidating Corporation 03/09/1981 WY 11/26/1980 WY Continental Trend Resources Inc Continental Res Inc 10/31/1991 WY Consolidated O & G Inc Hugoton Energy Corp 03/10/1999 NM Convest 79 Oil & Gas CEP Interim Partners LP 11/12/1991 WY Convest 81 Income CEP Interim Partners LP 11/12/1991 WY Convest 82A Income CEP Interim Partners LP 11/12/1991 WY Convest 82B income CEP Interim Partners LP 11/12/1991 WY Convest Energy Partners Ltd CEP Interim Partners LP 11/12/1991 WY Convest Energy Corp Forcenergy Inc 03/02/1998 WY Convest Production Co Convest Energy Corp 06/27/1991 WY Covey Park Resources LLC Comstock Oil & Gas LLC 12/05/2019 NM Conwest Exploration (Delaware) Inc McMurry Oil Company 11/16/2001 WY Cook, C. Dean C. Dean Cook Family trust 03/03/2015 WY Cook, De Loyd (D.L.) K., Estate of De Loyd (D.L.) K. Cook, M. Marian Adair, 07/06/2005 WY Independent Executor Cook, J. D. Jr. Joseph and Willie Cook Family Trust 03/18/2015 WY Cooperative Refinery Association CRA Inc 01/07/1965 WY Coquina Oil Corp American National Petro Company 12/03/1993 WY Coral Reserves Energy Corporation Canaan Energy Corporation 08/22/2008 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Coral Reserves, Inc. Canaan Energy Corporation 08/22/2008 WY Corinthian Exploration USA Corp. Legacy Oil & Gas ND Inc. 03/26/2015 MT WY Coronado Energy E&P Company, L.L.C. El Paso E&P Company, L.P. 05/09/2011 WY Cortez Oil & Gas Inc EAP Properties LP 05/17/2004 MT 06/25/2004 WY Cortez Operating Company Encore Operating LP 06/25/2004 MT Cosden Oil & Chemical Company American Petrofina Company of Texas 06/28/1985 WY (Certificate Only)’ Coseka Acquisition-II Inc Arch Oil & Gas 03/27/1990 WY Coseka Acquisition-I Inc Arch Oil & Gas 03/27/1990 WY Coseka Res (USA) Ltd Arch Oil & Gas 11/04/1989 WY Costilla Energy LLC Costilla Energy Inc (Original Decision) 01/16/1997 MT New Mexico Decision 03/27/1997 NM Wyoming Acceptance Memo 03/26/1999 WY Costilla Petro Corp. Costilla Energy Inc. 03/03/1997 MT CP Resources Inc Redwood Energy (USA) Ltd 03/13/2001 WY CRA Inc Farmland Industries Inc 04/18/1984 WY CRA International Inc Pacific Enterprises Oil Company (USA) 12/26/2002 WY CRA Oil Exploration Company Terra Resources, Inc. 02/18/1981 WY

Credo Petroleum Corporation Forestar Petroleum Corporation Pending WY

12/05/2005 UT

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Crescendo Energy LLC Slate River Resources, LLC 01/05/2011 WY

Crescent Point 03/11/2010 MT Crescent Point US Holdings Inc. Energy U.S. Corp 03/12/2010 WY 03/11/2010 MT Crescent Point Energy US Inc. Crescent Point US Holdings Inc. 03/12/2010 WY Creslenn Oil Co Detex Oil Corp 03/27/1980 WY Crestmont Management Company Cities Service Oil and Gas Corp 06/10/1986 WY Amended Decision 06/12/1986 WY Crestmont Petroleum Company Cities Service Oil and Gas Corp 06/10/1986 WY Amended Decision 06/12/1986 WY Crest Resources Inc Henderson Petroleum Corp 04/15/1982 WY Crest Resources Inc Henderson Resources Co 04/21/1982 WY Amended Decision 05/21/1982 WY Crest Resources Inc Petro Atlas Corp 05/22/1989 WY Critchfield Santa Fe Holding Critchfield Santa Fe, LP 10/03/2014 NM 10/16/2014 WY Critchfield Santa Fe, LP Critchfield Santa Fe, LLC 10/03/2014 NM 10/16/2014 WY Cross Timbers Oil Company XTO Energy, Inc. 06/15/2001 WY 06/15/2001 UT Memo Accepting Utah’s Decision 08/23/2001 WY Cross Timbers Oil Co LP North Timbers LP 07/03/1991 WY Cross Timbers Oil Co LP East Timbers LP 07/03/1991 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Cross Timbers Oil Co LP West Timbers LP 07/03/1991 WY Cross Timbers Oil Co LP Cross Timbers Partners LP 07/03/1991 WY Cross Timbers Operating Company Cross Timbers Oil Company 06/15/2001 WY 06/15/2001 UT Memo Accepting Utah’s Decision 08/23/2001 WY Cross Timbers Partners Cross Timbers Partners LP 07/03/1991 WY Crossroads Energy Co Melrose Energy Co 04/15/1998 WY 11/10/2011 NM Crow Creek Energy II LLC Eagle Rock Mid-Continent Asset, LLC 01/23/2012 WY Crown Energy Partners LLC Memorial Production Operating LLC 03/12/2014 WY Crown Oil Partners III, LP into Black Crown Energy Crown Oil Partners V, LP 03/14/2017 NM Partners, LP into Crown Oil Partners IV, LP into 03/21/2017 WY 04/29/2011 NM Crusader Energy II, LLC Knight Energy Group, LLC 05/09/2011 WY 04/29/2011 NM Crusader Energy III, LLC Knight Energy Group, LLC 05/09/2011 WY Crusader Energy Group Inc Crusader Holdings LLC 03/26/2015 NM WY Crystal Oil and Land Co Crystal Oil Co 06/23/1969 WY Crystal Oil Co Crystal Exploration and Production Co 05/11/1977 WY (Amended Decision) 07/09/1977 WY CSL Partners Costilla Energy Inc 03/25/1997 NM 04/04/1997 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

CSX Oil & Gas Corp Total Minatome Corp 11/04/1988 WY

Richard P. Cullen Living Trust Dated August 16, 2001: Douglas P. Cullen & Elizabeth Kay Worlauer as Successor Co- Cullen, Richard P. Trustees of the Richard P. Cullen Living Trust 03/03/2009 WY

D Dail C West LP West Energy LLC 03/26/2015 WY Dakota Gas Company LLC Signal Hill Company LLC 04/05/2012 WY Dalco Oil Company Sabine Production Company 03/09/1977 WY 03/25/1977 CO Amended Decision-Additional Lease 05/23/1977 WY 10/21/1977 NM DALEN Res O&G Co Enserch Exploration Inc 02/15/1996 MT Damson Resources Corp Damson Oil Corp 04/03/1978 WY Dart Inc LR Company 11/15/1979 WY Amended Decision 04/23/1980 WY Davis, Bobby J Am-West Petro 12/12/1989 WY Estate of Walter G. (Gray) Davis, Robbie Elizabeth Davis Davis, Walter G (Gray) successor-in-interest to the Estate. 08/02/1984 WY DC Dudley & Assoc Dudley & Assoc LLC 07/29/1997 WY Decker Energy Investments LLC Decker Energy Investments, LP 10/10/2006 MT 10/23/2006 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Deemar, Irving. R. Estate of Irving R. Deemar, Sharon Deemar Szachowicz & 10/21/2005 WY Ira Deemar, independent executors for the estate Deines, Gloria Jean The Gloria Jean Deines Family (Bypass) Trust & The Gloria 01/29/2007 WY Jean Deines Living Trust DeKalb Corp DeKalb Energy Co 10/21/1988 WY DeKalb Energy Co DEK Energy Co 12/29/1998 CO Delaware Inter-American Petroleum Ltd Kenai Oil Company Inc 07/14/1978 WY Amended Decision-Additional Lease 08/02/1978 WY 10/25/1978 NV Del Mar Petroleum, Inc. Shenandoah Oil Corp 03/03/1977 NM 05/09/2013 OR Delta Exploration Company Par Petroleum Corporation 08/27/2013 WY Delta Petroleum Corporation Par Petroleum Corporation 05/09/2013 OR 08/27/2013 WY Deminex U.S. Oil Co Southwest Royalties Inc 06/29/2004 WY Denbury Resources, Inc Denbury Resources Onshore LLC 10/31/2011 ES 01/23/2012 WY DeSmet Richard P Richard P DeSmet and Thelma F. DeSmet 1971 Trust 05/26/1976 WY DeSmet Thelma F Richard P DeSmet and Thelma F. DeSmet 1971 Trust 05/26/1976 WY Destry Gas Co Ltd Posse Energy Ltd 02/03/1997 MT Detex Oil Corp Deminex U.S. Oil Co 03/27/1980 WY Devlan Exploration Co Ltd Devlan Exploration Inc 03/09/1999 WY Devon Corporation Devon Energy Corp 09/11/1981 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Devon Acquisition Corp Devon Permian Corp 07/24/2001 WY 07/24/2001 CO Devon Energy Corp Devon Energy Corp (Nevada) 09/28/1980 WY Devon Energy Corp Devon Energy Corp (Delaware) 09/28/1980 WY Devon Energy Corp Nevada Deven Energy Corp (NV) 09/28/1990 WY 11/22/2000 CO Devon Energy Corp (NV) Devon Energy Prod CO LP 11/09/2001 WY 12/20/2000 Devon Energy Operating Company LP Devon Energy Production Company 08/14/2006 CO Devon Energy Operating Corp Devon Energy Corp (NV) 02/14/1997 WY Devon Louisiana Corporation Devon Energy Production Co LP 03/27/2006 CO (Oil & Gas Leases Only) Devon Energy Production Co LP 05/25/2006 WY (Rights-of-Way Grants Only) Devon Merger Company Santa Fe Snyder Corp 10/11/2000 UT 11/13/2004 WY Devon Permian Corp Devon Energy Prod Co LP 07/24/2001 WY 07/24/2001 CO Devon SFS Operating Inc Devon Energy Production Company LP 12/09/2002 WY 11/22/2000 CO Diablo Oil Company Wichita River Oil Corp 05/13/1988 WY Amended Decision—Additional Lease 10/13/1988 WY Amended Decision—Additional Lease 11/04/1988 WY Diamond Alkali Company Diamond Shamrock Corp 01/16/1968 UT

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

02/01/1968 WY Diamond Shamrock Corp Diamond Chemicals Co 04/26/1984 WY (Amended Decision-Additional Leases) 06/13/1984 WY 06/29/1984 WY Diamond Shamrock Exploration Co AGM Corp 03/18/1987 WY Diamond Shamrock Exploration Co Maxus Exploration Co 07/01/1987 WY Dietrich Exploration Co Inc Dietrich Resources Corp 07/23/1981 WY Dietrich Resources Corp DRX Inc 01/28/1994 WY Diverse Energy Investments FNRC DEI GP 05/20/2009 WY Diverse GP III FNRC DIII GP 05/20/2009 WY DKM Resources Inc Medallion Production Co 03/24/1994 WY 08/12/1998 NM DLB Oil & Gas, Inc. Chesapeake Mid-Continent Corp. 05/22/2008 WY DOC Production Services Co Damson Holding Corp 07/21/1986 WY Dolphin Drilling CO Morsey-Wells Oil and Gas Corp 11/25/1977 WY Dome 1980 Institutional Investors Ltd, Company Dissolved a Limited Partnership Assets go to Texaco Producing Inc 07/11/1994 WY

05/04/2010 ES Dominion Black Warrior Basin, Inc. HighMount Black Warrior Basin, LLC 05/17/2010 WY Dominion Exploration & Production, Inc. Consol Gas Company 12/17/2013 WY Dominion Midwest Energy, Inc. HighMount Midwest Energy, LLC 05/04/2010 ES

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

05/17/2010 WY Doornbos, Gene A, Estate of Karen D. Davis & Steven M Doornbos 10/21/1989 WY Doral Acquisition Corp Doral Energy Corp 08/29/2012 WY Coral Energy Corp Cross Border Resources, Inc. 08/29/2012 WY Dos Ninos Oil & Gas Inc Simba Energy Corp 04/23/2001 NM Double Eagle Petroleum Company Escalera Resources Company 06/03/2014 WY Double Eagle Petroleum & Mining Company Double Eagle Petroleum Company 07/03/2001 WY Double Oil & Gas Inc The Drexel Burnham Lambert Group Ltd 08/19/1992 WY Dow Chemical Company of DE, The Dow Chemical Company of MI, The 09/10/2004 WY Dow Chemical Company of MI, The (Remove Certificate Only Statement) Estate of Remau Drwenski, Vernon R. Drwenski, Personal Remau Drwenski Representative 12/05/2008 WY Vernon R. Drwenski Estate of Vernon R. Drwenski 12/05/2008 WY Drexel Burnham Lambert Group Ltd The Drexel Burnham Lambert Group Ltd 08/19/1992 WY Drill and Pump Partnership Corporate Dissolution, assets divided between partners; 11/22/2005 WY Roger J Mayott, John F Sinclair & Joseph Stevens Drumheller, Lida R Lida R Drumheller Trust, 03/24/1989 WY Gene L Boles, Personal Representative Du Pont Holdings Inc Conoco Inc 11/10/1981 WY (Amended Decision) 03/22/1982 Duer Wagner & Company Wagner Oil Company 09/17/2004 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Duke Energy Field Services, LP DCP Midstream LP 02/28/2007 WY (rights-of-way only) Duncan Enterprises Inc DEI Enterprises Inc 10/17/1996 WY Duncan Oil Partners Duncan Oil Partners LLC 09/20/2013 MT 10/28/2013 WY Duncan, Velma M, Estate of Walter Duncan 07/31/1974 WY Duncan, Walter, Estate of Raymond T. Duncan 10/25/1983 WY Dusty Mac Resources Inc TransGlobe O&G Corp 07/18/1997 WY Duzik, Martha Anne Martha Anne Duzik Trust, 12/03/2004 WY Lee Anne Briscoe & Trudy Burtoft, successor trustees DWG & Company DWG LLC 07/25/2004 WY Dyk Thomas W Thomas W & Mary L Dyk Trust 06/05/2017 WY 05/05/2010 NM Dyne Exploration Company Pontotoc Production Company, Inc. 05/18/2010 WY Dynegy Energy Res LP Dynegy Midstream Services LP 07/12/1999 WY Dynegy Midstream Services LP Targa Midstream Services LP Pending WY (rights-of-way only)

E Eagle Exploration Co Century Oil & Gas Corp 10/23/1978 CO 01/25/1979 WY

Eason Oil Company an Oklahoma Corporation Eason Oil Company a Delaware Corporation 11/01/2004 WY 12/09/2004 NM Eastex III Energy Partners LLC Eastex IV Energy Partners LLC 07/10/2014 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

02/23/2011 CO East Resources Management LLC SWEPI, LP 04/21/2011 WY 04/18/2011 ES Eastern States Oil & Gas, Inc. EQT Production Company 04/21/2011 WY EBDL, Inc J Walter Duncan, Jr. Inc. 01/20/1989 WY Echo Oil Corporation Maynard Oil Company 08/15/1980 WY Echo Oil Corporation Echo Oil Division Maynard Oil Company 09/28/1979 WY Eckels, Robert E Robert E Eckels Family Trust 07/23/2001 WY Eckels, Robert E Robert E Eckels Marital Trust 07/23/2001 WY Ecological Engineering Systems, Inc. WGP, Inc. 10/07/1987 WY Edisto Exploration & Prod Co Forcenergy Inc 03/10/1998 WY EDP Operating Ltd Cancelled 07/29/2002 MT EEH Newco LLC EnCana Oil & Gas (USA) Inc 03/15/2005 CO Newfield Operating Company Montana Notice 06/30/2003 MT Wyoming Notice 07/10/2003 WY EEX Corp (Amended Wyoming Notice) 06/08/2009 WY Estate of Charles A. (Albert) Einarsen, Mildred Rosetta Einarsen, Charles A. (Albert) (R.)Einarsen Sole Beneficiary 06/26/2009 WY Eldon E Johnston Eldon E Johnston Trust 08/25/2015 WY Eldon E Johnston Eldon E Johnston Estate (Correction) 09/02/2015 WY Elm Ridge Exploration Co LP JMC Oil Field Services, LLC 07/28/2010 NM 04/06/2015 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Elm Ridge Resources Inc. JMC Oil Field Services, LLC 07/28/2010 NM 04/06/2015 WY El Paso E&P Company, LP EP Energy E&P Company, L.P. 08/24/2012 WY El Paso E&P Zapata, L.P. El Paso E&P Company, L.P. 05/09/2011 WY El Paso Exploration & EP Energy Management, L.L.C. 08/24/2012 WY Production Management Inc. El Paso Exploration Company Meridian Oil Production, Inc. 08/26/1985 NM Wyoming List of Serial Numbers 09/05/1985 WY Wyoming Amended Cover Memorandum 01/07/2011 WY El Paso Natural Gas Company El Paso Natural Gas Company, LLC 11/06/2017 NM 11/08/2017 WY 06/02/1986 NW El Paso Natural Gas Products Company El Paso Products Company 01/07/2011 WY El Paso Oil and Gas Company Odessa Natural Corporation 12/21/1970 NM 12/28/1970 WY El Paso Production Company Meridian Oil Inc 05/20/1996 MT El Paso Production Company El Paso E&P Company, L.P. 07/24/2006 WY (Oil & Gas Leases Only) El Paso E&P Company, L.P. Pending WY (Rights of Way Grants Only) El Paso Production Oil & Gas USA, L.P. El Paso E&P Company, L.P. 07/24/2006 WY (Oil & Gas Leases Only) El Paso E&P Company, L.P. Pending WY (Rights of Way Grants Only) El Paso Exploration Co Meridian Oil Prod Inc 09/05/1985 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

El Paso South Texas E&P Company, L.P. El Paso E&P Company, L.P. 05/09/2011 WY Elba Gas Company WOC Acquisition Company 01/23/1995 WY Elk Asset Company, LLC Elk Resources, Inc. Utah Notice (Oil & Gas leases only) 03/13/2008 UT Wyoming Cover Memorandum (Oil & Gas leases only) 05/01/2008 WY 10/06/2011 UT Elk Production LLC Elk Production Uintah, LLC 11/03/2011 WY 10/06/2011 UT Elk Production LLC New Cisco Production, LLC 11/03/2011 WY Elk Resources, Inc. Elk Resources LLC Utah Notice (Oil & Gas leases only) 03/13/2008 UT Wyoming Cover Memorandum (Oil & Gas leases only) 05/01/2008 WY Ellbogen, John P Estate of John P. Ellbogen 05/05/2003 WY John P Ellbogen II, Personal Representative of Estate Ellbogen, John P., Estate of Ellogen Property Management 05/05/2003 WY Elliott A Riggs Elliott A Riggs Trust Dated 2007 07/16/2015 WY Elliott A Riggs Trust Dated 2007 Elliott A Riggs Trust Dated 2010 07/16/2015 WY Elliot Industries Elliot Industries LP 12/17/2001 NM Ellwood Oil Company Southwest Royalties Inc 11/22/1991 WY Amended Decision 10/02/1991 WY 05/30/2003 NM 06/09/2003 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Emerald Oil Company First Mississippi Corporation 10/08/1980 WY (Company dissolved) (Assets Reverted to Parent Corporation) Emerald Petroleum Company Elly B. Beard, et al. 11/07/2017 WY EM Nominee Partnership Company Hallwood Energy Partners LP 12/27/2002 MT Empire Crude Oil Co Golden Oil Co 04/20/1972 WY Amended Decision Additional Lease 11/08/1972 WY Enerplus Newco LLC Lyco Energy Corporation 06/22/2006 MT 12/01/2010 MT EnCana Energy Holdings, Inc. EnCana Oil & Gas (USA) Inc 12/03/2010 WY EnCana Energy Resources, Inc EnCana Energy Holdings, Inc. 03/14/2005 MT EnCana Gathering Services (USA) Inc EnCana Oil & Gas (USA) Inc 03/15/2005 CO Encana Oil & Gas (USA) Inc Ovintiv USA Inc 03/10/2020 CO Encore Energy, Inc. Solar Petroleum, Inc. 07/08/1987 WY Encore Energy Partners Operating LLC and Vanguard Operating LLC 05/12/2015 CO Vanguard Permian LLC 05/14/2015 WY 04/19/2011 NM Enduring STBU, LLC Talisman Statoil STBU, LLC 04/21/2011 WY Encso Resources Company Ensco Tool and Supply Company 06/02/1989 WY Energen Resources MAQ Inc Energen Resources Corp 02/28/2001 NM Energetics Inc Energetics Operating Company 05/26/1983 WY Amended Decision-Additional Lease 10/24/1983 WY Amended Decision-Additional Lease 03/22/1984 WY Amended Decision-Additional Lease 05/14/1984 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Amended Decision-Additional Lease 09/27/1984 WY Amended Decision-Additional Lease 04/26/1985 WY Amended Decision-Additional Lease 06/26/1985 WY Amended Decision-Additional Lease 09/05/1985 WY Amended Decision-Additional Lease 11/18/1985 WY Energy Associates Inc General Atlantic Energy Corp 03/08/1989 WY Energy Development Corp Samedan Oil Corp 05/06/2002 NM 05/23/2002 WY Energy Minerals Corporation Weeks Energy Minerals Corporation 05/04/1984 WY Energy Reserves Group BHP Petroleum American Inc 12/03/1985 WY Energy Reserves Group, L.L.C. ERG Resources, L.L.C. 02/18/2011 WY 03/10/2009 ES Energy Resource Technology, Inc. Remington Oil and Gas Corporation 03/27/2009 WY Enjay Chemical Exxon Corp 09/03/2004 WY Enron Oil & Gas Co EOG Resources Inc 06/22/2000 NM Enron Producing Co Enron Oil & Gas Co 02/12/1990 WY Enserch Energy Inc Enserch Exploration Inc 11/14/1985 WY Amended Decision 06/12/1998 WY Enserch Exploration Inc EEX Corp 06/05/1998 WY Enserch Exploration Inc Lone Star Energy Plant Operating 10/24/1997 MT Enserch Exploration Inc Enserch Corporation 11/14/1985 WY Ensign Operating Company Medicine Bow Operating Company 01/27/2004 WY Ensource Inc UMC Petro Corp 11/01/1991 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

ENSTAR Petroleum Inc McAlester Fuel Company 04/23/1983 MT 07/25/1984 WY Amended Decision-Additional Lease 03/25/1988 WY ENSTAR Petroleum Inc ENSTAR Petroleum Company 03/25/1988 WY Entech Gas Ventures Inc PanCanadian Energy Res Inc. 01/30/2002 WY EOG A, M, and Y Resources Inc. EOG Resources, Inc. 01/28/2019 WY EOG Resources Assets LLC EOG (Louisiana) Inc Ensign Operating Company 07/03/1997 WY EOG (New Mexico) Inc Ensign Operating Company 07/03/1997 WY EOG (Oklahoma) Inc Ensign Operating Company 07/03/1997 WY EOG (Texas) Inc Ensign Operating Company 07/03/1997 WY EOTT Energy Operating Limited Partnership Plains Marketing LP 08/01/2005 WY EP Operating Company EP Operating Company, Ltd 01/03/1993 WY EP Operating Co Ltd EP Operating Ltd Partnership 01/31/1995 WY EP Operating Ltd Partnership New Enserch Exploration Inc 04/03/1995 MT El Paso Production EP Production Merger Company, L.L.C. Oil & Gas USA, L.P. 08/21/2009 WY Equilion Pipeline Company LLC Shell Pipeline Company LLC 12/27/2002 WY 04/18/2011 ES Equitable Production EQT Production Company 04/21/2011 WY 04/18/2011 ES Equitable Production-Eastern States Oil & Gas, Inc. 04/21/2011 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Eastern States Oil & Gas, Inc. 04/18/2011 ES Equitable Production Company EQT Production Company 04/21/2011 WY Equitable Resources Energy CO Equitable Production Company 01/17/2003 MT Equitable Energy Co WY Equitable Res Energy Co Balcron Oil Division (Operator name Only From Letter) 05/10/1996 11/19/2009 CO Equity Oil Company Whiting Oil & Gas Corporation 12/14/2009 WY Esso Chemical Co Exxon Corp 09/03/2004 WY Estate of Daniel Oliver Daniel Oliver Revocable Trust 08/23/2012 WY Estate of Mary McClintock Swift Documents returned with letter - no record title interest WY involved Eurafrep Inc Gemstar Petroleum Corp 05/16/1986 WY Evergreen Operating Corporation Pioneer Natural Resources USA, Inc. 04/26/2005 MT Evergreen Resources, Inc. Pioneer Evergreen Properties, LLC 02/10/2005 MT Evergreen Supply and Distribution Company Pioneer Natural Resources USA, Inc. 04/26/2005 MT Evergreen Well Service Company Pioneer Natural Resources USA, Inc. 04/26/2005 MT Evmar Oil Corp Gruss Petroleum Corp 05/22/1986 WY Excel Energy Corp Barrett Resources Corp - Assets returned to above listed 07/18/1991 WY (Company Dissolution) parent Co Excelsior Oil Corporation McMoRan Offshore Exploration Company 07/17/1985 WY EXCO Operating CO LP EXCO/HGI JV Assets 12/12/2014 ES

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

WY ES EXCO/HGI JV Assets Compass Energy Operating, LLC 12/12/2014 WY 03/16/2011 ES EXCO Production Company, LP EXCO Operating Company, LP 04/01/2011 WY Exeter Drilling and Exploration Company Exeter Company 05/02/1975 WY Exeter Drilling Company Exeter Drilling and Exploration Company 08/07/1970 WY Exeter Exploration Company Midcon Exploration Co-Exeter 01/08/1987 WY 10/21/2010 MT Exploration Company of Delaware, Inc., The TXCO Resources, Inc. 11/01/2010 WY Exploration Inc Presidio Exploration Inc 03/08/1989 WY Exxcel Energy Corporation Excel Energy Corporation 02/01/1979 CO 02/14/1979 WY Exxon Corporation ExxonMobil Corporation 09/03/2004 ES Exxon Corporation ExxonMobil Corporation (Amended Decision) 02/10/2006 WY ExxonMobil Ventures Investment Corporation Ellora Energy Inc. 07/14/2016 WY

F F H Gower Jr. & Company Gower Oil Company 09/23/1977 WY Fairweather Geophysical LLC Neptune Holdco LLC 06/12/2006 CO Falcon Creek Res Inc Sapient Energy Corp 09/27/2000 WY Fagadau Energy Corporation Primexx Operating Corporation (New Mexico decision, oil & gas leases only) 02/15/2008 NM (Wyoming cover memorandum, oil & gas leases only) 03/10/2008 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Farmers Union Central Exchange Inc Cenex Inc 04/18/1994 WY Farmland Industries Inc CRA Inc 04/18/1984 WY Farmland International Energy Company Terra Resources, Inc 09/22/1978 WY 08/29/2008 NM Faulconer Resources 2000 Limited Partnership Faulconer Resources 2000 Limited Partnership, LLP 12/08/2008 WY Felmont O&G Company Torch O&G Company 05/23/1990 WY 04/16/2015 NM Faulconer Resources Joint Venture -1992 Faulconer Resources 1992 LP 04/21/2015 WY

04/16/2015 NM Faulconer Resources 1992 LP Faulconer Resources 1992 LP, LLP 04/21/2015 WY Ferguson Oil and Gas Company Inc Dome Petroleum Corp 10/16/1981 WY Ferguson Oil Company Ferguson Oil and Gas Company Inc 10/16/1981 WY Fidelity Oil Holdings Inc Fidelity Exploration & Prod Company 01/17/2003 CO

Fifth Creek Energy Operating Company LLC Bill Barrett Corporation 04/17/2018 WY

Figgie Natural Resources, Inc. Figgie International, Inc. 10/05/2007 MT 10/19/2007 WY FINA Inc ATOFINA Petrochemicals Inc 05/07/2002 MT Fina Exploration Inc Fina Oil & Chemical Company 03/29/1989 WY

Fina Oil & Chemical Company Atofina Petrochemicals Inc 05/07/2002 MT Fina Oil and Gas, Inc Petrofina Delaware, Inc 06/07/1989 WY Fina Supply Inc American Petrofina Company of Texas 06/28/1985 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

(Certificate Only) Finadel, Incorporated Petrofina Delaware, Inc 02/07/1983 WY Amended Decision 02/08/1983 WY Amended Decision 06/18/1985 WY Fin-Oil Inc Fina Oil & Chemical Company 05/11/1988 WY First Chance Oil Company Kemmerer-La Barge Royalties LLC 10/06/2003 WY First Sourcenergy Wyoming, Inc. Gastar Exploration USA, Inc. 09/06/2006 WY (Oil & Gas Leases Only) Gastar Exploration USA, Inc. 01/12/2007 WY (Rights-of-Way Grants Only) Five States 1992-B Ltd Five States Consolidated Ltd 03/08/2001 WY Flagg, Jeanne E. Estate of Jeanne E Flagg 01/24/2012 WY Flag-Redfern Oil Company Kerr-McGee Corp 10/12/1989 WY Flight Resources, LLC Grizzly Petroleum Company, LLC 10/14/2017 CO 10/19/2017 WY Florida Exploration Company Enron Producing Company 02/12/1990 WY 11/26/1980 WY Florida Exploration Company Continental Resources Company 03/09/1981 WY 04/04/1980 WY Florida Gas Exploration Company Florida Exploration Company 11/26/1980 WY Floyd E Murray Murray Exploration Inc 04/26/1985 WY Floyd Oil Company 3TEC Energy Corp 09/30/2000 NM Floyd Operating Company 3TEC Energy Corp 09/30/2000 NM

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Fluor Minerals Inc Fluor Oil and Gas Corporation 07/25/1973 WY Flying J Exploration & Production, Inc. Flying J, Inc. 03/18/2005 MT 04/02/1991 MT Flying J Uintah Inc Flying J O&G Inc 04/19/1991 WY FMP Operating Company Freeport-McMoran O&G Company 05/23/1990 WY FNR Resources Corp Simba Energy Corp 04/23/2001 NM FNRC DEI GP Fortune Natural Resources Corporation 05/20/2009 WY FNRC DIII GP Fortune Natural Resources Corporation 05/20/2009 WY FNRC TDT LP Fortune Natural Resources Corporation 05/20/2009 WY Foco Oils Ltd Company Dissolved 04/22/1987 WY Assets went to Tintagel Energy Corp 12/19/2008 NV Focus Energy USA Inc. Energy Operations Nevada, LP 12/31/2008 WY Forcenergy Gas Exploration Inc Forcenergy Inc 07/07/1998 UT Forcenergy AB Subsidiary Inc Forcenergy Gas Exploration Inc 09/22/1994 WY Forcenergy Inc Forest Oil Corp 03/30/2001 WY Forcenergy Offshore, Inc. Forest Oil Corporation 03/02/2015 WY Forcenergy Onshore, Inc. Forest Oil Corporation 03/02/2015 WY Forcenergy Partners LP Forcenergy Gas Exploration Inc 09/22/1994 WY Forest Energy Resources, Inc. Mariner Energy Resources, Inc. 09/19/2013 ES 10/28/2013 WY Forest Oil Corporation Sabine Oil & Gas Corporation 03/03/2015 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Forest Oil Permian Corporation Forest Oil Corporation 02/25/2015 WY Fort Collins Consolidated Royalties, Inc EnCana Oil & Gas (USA) Inc 03/15/2005 CO Fortuna (U.S.) Inc. FUSI LLC 07/11/2006 UT Fossil Energy Group LLC Fossil Energy Inc. 02/12/2009 WY Four Corners Petroleum Boaz Rockies Operating LLC 06/27/2018 WY Fountain Acquisition Corp Wichita River Oil Corp 05/13/1988 WY Amended Decision-Additional Lease 10/13/1988 WY Amended Decision-Additional Lease 11/04/1988 WY FPCO Merger Corporation Petro-Lewis Corporation 07/24/1987 WY Francana Resources Inc Trend Exploration Ltd 08/19/1986 WY (Amended Decision) 05/04/1995 WY Frank’s Casing Crew & Rental Tools, Inc. Frank’s International, LLC 09/22/2016 ES Pending WY 11/13/2003 ES Freedom Energy Inc. Sedna Energy, Inc. 06/26/2009 WY Freeport-McMoRan Oil and Gas Company Freeport-McMoRan Inc 05/02/1991 WY Freeport Oil & Gas Company McMoRan Offshore Exploration Company 07/17/1985 WY Frontier Fuels, Inc. Primary Fuels, Inc. 06/19/1987 WY FUSI, LLC Fortuna (US) LP 07/11/2006 UT

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

G3 Energy LLC HRC Energy LLC 09/20/2013 MT 10/28/2013 WY G3 Operating LLC HRC Operating LLC 09/20/2013 MT 10/28/2013 WY Galaxy Oil Company Global Natural Resources Corporation 05/27/1988 WY Garlett, David W DWG LLC 04/21/2000 WY Gary Operating Company Gary Energy Corp 07/26/1979 WY Amended Decision Additional Leases 07/18/1986 WY Gary-Williams Company The Gary-Williams Company 07/14/1989 WY Gary-Williams Production Company Gary Production Company 11/30/2016 NM 12/19/2016 WY Gary Williams Oil Producer, Inc Gary Williams Company 07/14/1989 WY Gasco Inc KN Production Co 06/27/1995 WY 04/23/2014 ES Gastar Exploration USA, Inc. Gastar Exploration, Inc. 05/15/2014 WY 04/23/2014 ES Gastar Exploration, Inc. Gastar Exploration USA, Inc. 05/15/2015 WY 08/30/1978 WY 04/29/1982 WY 04/25/1980 WY Gas Producing Enterprises Inc Coastal Oil & Gas Corp 10/16/1980 CO GB Acquisition Corporation Bill Barrett Corporation 06/10/2014 WY GB Services Inc Golden Buckeye Petro Corp 01/04/1990 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

GBK Corp Kaiser-Francis Oil Company 10/29/1993 WY GBK Holdings KBK Investments, LLC 01/22/2015 MT WY Gemini Corp Beard Oil Company 10/14/1987 WY Gemstar Petroleum Corp Entral Energy Company 05/16/1986 WY General American Oil Company of Texas Phillips Oil Company (Original Decision) 05/03/1983 WY (Amended Decision) 05/09/1983 WY (Amended Decision) 05/20/1983 AZ (Amended Decision) 10/22/1993 WY General American Oil Company of Texas Phillips Oil Company 05/09/1983 WY (amended decision concerns bond) 08/03/1983 WY General Atlantic Energy Corp Exploration Inc 03/08/1989 WY General Atlantic Energy Corp Presidio Exploration Inc 03/08/1989 WY General Atlantic Energy Corporation General Atlantic Rockies Production Company 02/21/1988 WY General Atlantic Pipeline Company UMC Petroleum Corporation 02/12/2003 NM General Atlantic Res UMC Petroleum Corp 03/16/1995 NM Wyoming Acceptance Memo 08/25/2004 WY General Atlantic Rockies Production Company General Atlantic Resources Inc 08/18/1989 WY General Crude Oil Company IP Petroleum Inc 03/19/1975 CO General Crude Oil Company Mobil-GC Corp 03/26/1980 WY Amended Decision-Additional Lease 05/19/1980 WY General LP Acquisition, Inc. UMC Petroleum Corp 09/14/1989 WY Geneva G Newlander Trust, Wells Fargo Bank, Trustee Casper Mountain Lion's Club 08/26/2003 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

(1)Geodyne Energy Income Production Partnership I-E, Geodyne Resources, Inc. 01/25/2017 WY (2)Geodyne Energy Income Production Partnership I-F, (3)Geodyne Energy Income Production Partnership II-A. Geodyne Nominee Corporation. Geodyne Resources, Inc. 01/25/2017 WY George Dolezal, Jr. George Dolezal, Jr. Limited Partnership One LLLP 12/10/2009 WY Limited Partnership Two LLLP Amended Notice 12/14/2009 WY Geochemical Surveys of Texas Inc Geochemical Surveys Inc 01/29/1982 WY Geo Resources, Inc. Leopard Sub II LLC 09/20/2013 MT 10/28/2013 WY George Mitchell & Associates Inc Mitchell Energy Corp 11/18/1976 George, T W, Estate of Old National Trust Co, Trustee, 05/05/2003 WY Michelle K. Judge, Trust Administrator Gerrity Oil & Gas Corp Patina Oil & Gas Corp 06/10/1997 UT Getty Oil Company Four Star Oil & Gas Company 05/22/1990 WY Getty Pipeline Inc Texaco Pipeline Inc 12/27/2002 WY GHP Corporation TransAtlantic Petroleum (USA) Corp 04/29/1999 UT 05/17/1999 WY Gill, James R.,, Estate of Trust of, Gill Oil Company, by operation of trust, assets held 04/26/2005 WY jointly by James G. Gill and Lunda Lucinda (Gill) Desbrow GKM Inc GKM Oil Company 10/07/1987 WY Global Natural Resources Corp of NV Ocean Energy Inc 05/16/2001 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Global Natural Resources Corp of MD Global Natural Resources Corp of TX 09/11/1985 WY Global Natural Resources Corp of TX Global Natural Resources Corp of NV 04/14/1988 WY Gloria Jean Deines Living Trust Charles Howard III, John Howard & Christopher 01/29/2007 WY Tashlein as beneficiaries GMX Resources, Inc. Thunderbird Resources Equity, Inc. 04/22/2014 WY Goedert, John (J.L.) The John (JL) L Goedert Living Trust, 10/12/2006 WY The John (JL) L Goedert Share #1 (Marital) Trust & The John (JL) L Goedert Share #2 (Family) Trust, Jeanne K. Goedert, trustee (Amended Decision-corrected serial number) 10/23/2006 WY Godfrey L Cabot Inc Cabot Corp 10/17/1960 WY Golden Oil Company Golden Resource Inc 07/21/1994 WY Golden Buckeye Petro Corp Prima Management Corp 01/04/1990 WY Golden Eagle Refining Company Lasmo Oil & Gas Inc 12/31/1992 WY Golden State Operating, LLC Ashley Valley Operating Company, LLC 06/08/2017 UT Goldmark Engineering Nance Petroleum Corporation 03/18/2005 MT Estate of Richard L. Goodman, Beverly Goodman Goodman, Richard L. beneficiary 08/26/2011 WY Goodstein David B. David B. Goodstein Revocable Trust, Martin Heller & R. 08/05/2005 WY Thomas Watson, trustees Gordon, David L. Estate of David L. Gordon, Billy W. Mangum & Frances 07/06/2005 WY G. Mangum, personal representatives

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Chesapeake Merger 2000 Corp. (Effective 1/16/2001) New Mexico Bond Decision 04/23/2003 NM Wyoming Cover Memorandum 05/14/2008 WY Gothic Energy Corporation Amended Wyoming Cover Memorandum 08/22/2008 WY Gothic Energy LLC (Effective 12/30/2002) New Mexico Bond Decision 04/23/2003 NM Wyoming Cover Memorandum 05/14/2003 WY Gothic Energy Corporation Amended Wyoming Cover Memorandum 08/22/2008 WY Gothic Production Corp New Mexico Bond Decision 04/23/2003 NM Wyoming Cover Memorandum 05/14/2008 WY Gothic Energy of Texas, Inc. Amended Wyoming Cover Memorandum 08/22/2008 WY Gothic Production, L.L.C. (Effective 12/30/2002) New Mexico Bond Decision 04/23/2003 NM Wyoming Cover Memorandum 05/14/2003 WY Gothic Production Corporation Amended Wyoming Cover Memorandum 08/22/2008 WY Gothic Production, L.L.C. Chesapeake Exploration, L.L.C. Pending NM WY Grace Corinne B Corinne B Grace Trust 05/03/2016 WY Grace Geothermal Corp Geothermal Properties Inc 07/14/1983 WY Grace Petro Corp Samson Natural Gas Company 12/16/1993 WY 01/14/1999 WY Grace Petroleum Corporation Samson Natural Gas Company 12/12/2005 NM Grand Isle Oil and Gas Company Hunt Petroleum Corp 05/30/1986 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

04/18/2014 CO Grant Geophysical Corp Geokinetics Management, Inc. 05/15/2014 WY Great Lakes Energy Partners LLC Range Resources—Appalachia LLC 11/08/2011 ES 01/23/2012 WY Great Western Energy Corp Impel Corp 10/31/1975 CO Great WTN Oil & Gas Inc Great WTN Onshore Inc 02/23/1990 WY Great WTN Exploration(NV) Inc Great WTN Onshore Inc 02/23/1990 WY Great WTN Onshore Inc Forcenergy Onshore Inc 03/12/1998 UT 05/01/1998 WY Green River Oil Company (Shareholders) 04/19/1991 WY (corporate dissolution) Patricia Penrose Schieffer J. M. Zachary H.S. Winston Greenwood Holdings Inc Packaging Research Corp 06/22/1994 WY Greenwood Resources, Inc. Greenwood Holdings, Inc. 12/17/1987 WY Greenwood Resources Ltd Greenwood Resources, Inc. 09/13/1984 WY January 13, 2010 NM Greystone Petroleum LLC Chesapeake Louisiana, LP January 14, 2010 WY Gruss Petroleum Corp Pegasus Holding Corp 04/08/2005 WY Gruy Petroleum Management Co. Cimarex Energy Co. of Colorado 12/12/2014 NM WY Gulf Coast Acquisition Properties Inc Sundown Energy Inc 06/20/2000 NM Gulf Oil Corporation Chevron U.S.A., Inc. 01/29/1986 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

GW Merger Corp Great WTN Onshore Inc 02/23/1990 WY GW Petroleum Inc Great WTN Onshore Inc 02/23/1990 WY GWP Inc Great WTN Onshore Inc 02/23/1990 WY GWR Inc Great WTN Onshore Inc 02/23/1990 WY GWR Operating Company Great WTN Onshore Inc 02/23/1990 WY Gypsy-Highview Gathering Systems MSR Exploration Ltd. 04/12/2002 MT Gypsy L Corp Ladd & Lukowicz Inc 10/23/1980 WY

H Hackathorn New Zealand Oil Ltd Champion Ventures Inc 02/25/1971 WY Hadson Petro(USA) Inc Hadson Energy Res Corp 05/20/1993 WY Hadson Energy Res Apache Energy Res Corp 09/05/1995 WY Halcon Geo Holdings LLC Halcon Energy Holdings LLC 09/20/2013 MT 10/28/2013 WY Hallwood Consolidated Partners LP Hallwood Energy Partnership 12/27/2001 MT Hallwood Energy Corp HEP Pure, LP 08/28/2002 CO Hallwood Energy Partners LP HEP Partners LP 07/12/2002 MT Hallwood GP Inc Company Dissolved 04/12/2001 MT Hallwood Oil & Gas Inc Company Dissolved 12/27/2002 MT Hallwood Petroleum Inc HEC Partners Inc 07/12/2001 MT Hamill, Claude B Estate of Claude B Hamill 09/10/1986 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Hanlad Oil Corp McBride Oil & Gas Corp 12/14/1998 NM Hanoco, A Partnership Haloco CO, A Partnership 03/11/1986 WY Hanover Planning Company, Inc Hanover Petroleum Corporation 04/04/1975 WY Hanson-McBride Petroleum Company, Ltd Hanson-McBride Petroleum Company, L.L.C. 04/13/2017 NM 11/01/2017 WY Hanson Oil Corp McBride Oil & Gas Corp 11/05/1987 WY Harold Shore Trust Wells Fargo Bank, Successor Trustee 01/16/2012 WY Harper Oil Company Midcon Central Exploration Company 05/29/1986 WY Amended Decision-Added Lease 09/30/1987 WY Harrington & Bibler, Inc. Bibler Resources Company 11/29/2004 MT 09/09/2009 MT Hassie Hunt Exploration Company HHE Company 09/15/2009 WY 09/09/2009 MT Hassie Hunt Production Company Hassie Hunt Exploration Company 09/15/2009 WY Harry O. Hitzel Harry O. Hitzel Estate 08/20/2015 WY Hartman, Irving Estate of Irving Hartman, Helen Hartman sole beneficiary, 08/12/2013 WY Eileen Allen Executrix of the Estate Harvard Petroleum Corporation Harvard Petroleum Company LLC New Mexico Notice (Oil & Gas Leases Only) 04/01/2008 NM Wyoming Cover Memorandum (Oil & Gas Leases Only) 04/10/2008 WY Harvest States Cooperatives Cenex Inc 12/01/2000 WY Harvest States Cooperatives Cenex Harvest States Cooperatives 12/01/2000 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Harvey E. Yates Company MRC Delaware Resources, LLC 08/12/2015 NM 09/24/2015 WY Hawks Company, The Hawks Company LP, The 06/19/1987 WY Amended Decision 09/23/1991 WY Hawthorne O&G Corp American National Petro Company 12/03/1993 WY Haynie & Mayer H & M Oil Producers, Inc. 04/14/1988 WY Hazel M Lindl Estate Hazel M Lindl Testamentary Trust #1 For the Benefit of 01/29/2007 WY Robert E. Brown & Hazel M. Lindl Testamentary Trust #2 For the Benefit of Gloria Jean Deines Hazel M Lindl Testamentary Trust #2 For the Charles Howard III, John Howard & Christopher Tashlein as 01/29/2007 WY Benefit of Gloria Jean Deines beneficiaries HD Oil Company Homer Dean Oil Company Inc 08/21/1990 WY Headington Oil Company Headington Canada Corp 07/09/1999 WY Headington Oil Company LP Headington Oil Company LLC 02/12/2008 WY HEC La Plata, L.L.C. Pure Resources, LP 06/08/2006 NM HEC Peru, L.L.C. Pure Resources, LP 06/08/2006 NM HEC Petroleum, Inc. Pure Resources, LP 06/08/2006 NM (Oil & Gas Leases Only) Pure Resources LP Withdrawn WY (Rights-of-Way Grants Only) Helen Rorbach Kannenstine Estate Louis Fabian Kannenstine Trust, David Edward Kannenstine Trust & Emily Ann Kannenstine Trust 01/20/1987 WY Helmet Petroleum Corporation Arapaho Energy, Inc 01/30/1985 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Henderson Petroleum Corporation Burkhart Petroleum Corporation 04/02/1986 WY 04/25/1986 WY 03/17/2010 NM Henry Petroleum LP COG Operating LLC Pending WY HEP Partners, L.P. Pure Resources, LP 06/08/2006 NM HEP Pure, LP Pure Resources, LP 10/11/2006 MT 11/06/2006 WY HEP Pure Acquisition, L.L.C. Pure Resources, LP 06/08/2006 NM HEP San Juan, L.L.C. Pure Resources, LP 06/08/2006 NM H.E.P. Oil Company LLC H.E.P. Oil Company Ltd. 04/23/2001 WY 09/17/2010 NM HEP Oil Company, Ltd. HEP Oil GP, LLC 09/21/2010 WY HEP Oil Company, Ltd Silver Creek Resources, LLC 05/20/2013 NM 08/26/2013 WY HEP Oil GP, LLC Silver Creek Resources, LLC 05/20/2013 NM 08/26/2013 WY Herboil Company DMF Resources Inc 04/03/1996 WY 07/13/2011 MT Hess Investment Corp American Oil & Gas, Inc. 07/22/2011 WY Hess Oil & Chemical Corp Ameriada Petroleum Corp 10/10/1969 ES* Hewitt, Helene, Estate of William Evert Andrau Trust #1 02/24/2004 WY William Evert Andrau Trust #2 Helene B Hewett/Barbara A Powell Trust #1 Helene B Hewett/Barbara A Powell Trust #2

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Siegler Family Trust #1 Siegler Family Trust #2 09/09/2009 MT HHE Company HHE Energy Company 09/15/2009 WY 09/09/2009 MT HHEC Acquisition Corporation Hassie Hunt Exploration Company 09/15/2009 WY Hickok Clifford P, Estate of Marion Lee Hickok, Frederick R Hickok & William C Hickok, 04/20/1995 WY Successors-In-Interest Hickok Marion Lee, Estate of Frederick R Hickok & William C Hickok, Successors-In- 04/20/1995 WY Interest Hickok William C Hickok Partners 04/20/1995 WY Hickok Frederick R Hickok Partners 04/20/1995 WY High Crest Oils, Inc. Tricentrol United States, Inc. 01/22/1975 WY High Mountain Ranches, Inc. Antelope Run Ranch, Inc. 09/15/2005 WY High Plains Oil Corp Adobe Resources Corporation 07/10/1989 WY (Amended Decision) 07/10/1995 WY High Plains Operating Company, LLC HPOC,LLC 02/09/2012 NM 11/30/2013 WY Highland Production Company Corporate Dissolution 11/24/1998 NM Assets went to Quay Valley Inc 12/31/1998 WY 09/22/2010 ES HighMount Black Warrior Basin, LLC Walter Black Warrior Basin, LLC 10/04/2010 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

HighMount Exploration Linn Exploration 10/13/2010 ES & Production Michigan LLC & Production Michigan LLC 10/22/2010 WY 10/13/2010 ES HighMount Midwest Energy LLC Linn Midwest Energy LLC 10/22/2010 WY Hingeline-Overthrust Oil & Gas, Inc. Whiting Petroleum Corp 04/02/1984 WY Hixon Development Company Giant Exploration & Prod Company 03/30/1998 WY HNG Oil Company Enron Oil & Gas Company 11/16/1990 WY Home Oil Company of Canada, a Delaware Home Petroleum Corp 05/23/1974 WY Corporation Home Petroleum Corp HPC, Inc 02/13/1989 WY Amended Decision 03/14/1989 WY Home-Stake Oil & Gas Company Cortez Operating Company 10/10/2002 WY Home-Stake Royalty Corp Home-Stake O&G Company 03/14/1998 WY Hondo Oil & Gas Company Atlantic Richfield Company 04/27/1987 WY Houston Exploration Company, The Forest Oil Corporation 07/27/2007 WY Howell Petroleum Corporation Anadarko E&P Onshore LLC 04/29/2013 WY HPC Holdco, Inc. HPC Operating Company 06/16/2009 WY HPC Operating Company XH, LLC 06/16/2009 WY HPC Reorg Sub, Inc. HPC Operating Company 06/16/2009 WY HR Energy, LLC United Natural Gas, LLC 08/23/2011 WY H S Resources Inc Kerr-McGee Rocky Mountain Corp 09/19/2001 WY 09/18/2001 CO

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Hugoton Capital Ltd Partnership Mesa Operating Company 01/14/1997 NM Chesapeake Mid-Continent Corp New Mexico Bond Decision 03/20/1998 NM Hugoton Energy Corp Wyoming Cover Memorandum 03/10/1999 WY Hugoton Management Company Mesa Operating Company 01/14/1997 NM Humble Oil & Refining Exxon Corporation 09/03/2004 WY Hunt Petroleum (AEC) Inc XTO Energy Offshore Inc 06/15/2009 WY Hunt Petroleum Corporation HPC Operating Company 06/16/2009 WY Huron Petroleum Corp Beacon Exploration Company 06/07/1984 WY Husky Inc Husky Oil Company 01/26/1965 CO Husky Oil Company Marathon Oil Company (Original Decision) 10/11/1984 WY (Amended Decision-Additional Lease) 10/11/1985 WY (Correction to title WYW 45810) 01/21/1986 WY (Amended Decision-Additional Lease 08/15/1986 WY Husky Oil Company of Delaware Husky Inc 01/26/1965 CO Husky Oil Company of Delaware Husky Oil Company 10/15/1968 UT 10/16/1968 CO 01/20/1969 WY Husky Oil Company 11/17/1976 UT 11/23/1976 CO 01/19/1977 WY 03/01/1977 NM 04/21/1977 WY (Amended Decision-Additional Lease) Husky Oil Co of Delaware 09/29/1977 WY (Amended Decision-Rights-of-way)

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

I IBEX Partnership IBEX Partnership Ltd 03/22/2001 WY I.C. Gas Denver, Inc. Amcana Oil Corp 12/12/1982 WY Impel Corp Impet Energy Corp 02/08/1977 WY Amended Decision 03/21/1977 WY Imperial-American Resources Fund Imperial-American Energy Inc 06/10/1980 WY Imperial-American Management Company Imperial-American Energy, Inc 08/31/1979 WY Amended Decision 06/10/1980 WY 03/02/2011 NM Indigo Hydrocarbon Partners, L.P. Leor Energy Indigo L.P. 03/08/2011 WY Inland Development Corporation, a Delaware Inland Development Corporation, A Nevada Corporation 12/27/2004 WY Corporation Inland Development Corporation, a Nevada American Industries, Inc 12/27/2004 WY Corporation IP Petroleum, Inc. General Crude Oil Company 05/16/1975 WY Integrated Energy, Inc. MCO Resources(Integrated) Corp 11/27/1984 WY Amended Decision-Additional Leases WY 01/28/1985 Inter-American Petroleum Corporation Delaware Inter-American Petroleum Ltd 07/14/1978 WY 08/02/1978 WY 10/25/1978 NV Inter-American Petroleum Corporation Kenai Oil and Gas Inc 12/15/1978 WY Intercoast Oil & Gas Company KCS Medallion Res Inc 06/02/1997 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

International Nuclear Corp Inexco Oil Company 03/30/1970 WY InterNorth Inc Enron Corp 03/04/1987 WY Iroquois O&G Corp Beacon Exploration Company 06/07/1984 WY ITR Petroleum Inc General Atlantic Energy Corp 02/03/1988 WY 11/12/2009 CA Ivanhoe Energy (USA) Inc. Seneca Western Minerals Corp 08/17/2010 WY

J James Stewart Stewart Living Trust Dated 4/25/1985 PENDING WY Jacobs Land & Livestock LLC Jacobs Land & Livestock Company Coal Leases Only 01/15/2009 WY Jacobs Ranch Coal LLC Jacobs Ranch Coal Company Coal Leases Only 01/15/2009 WY Jalapeno Petro Corp Simba Energy Corp 04/23/2001 NM James H. Borgerding Trust Rainbow Enterprises Inc 01/12/1999 WY Jeffrey D. Chorney/Preston Estate of WYW 17652 Jeffrey D. Preston Testamentary Trust & CB Community 04/24/2003 WY Overriding Royalties School PTS Assoc Jenkins, Carl E. Jenkins, Grace B. 10/12/2001 WY Estate of Theodore B. Jennings, Jo A. Jennings, Jennings, Theodore B. successor-in-interest 12/08/2008 WY Corporate Cancellation, assets distributed to JN Oil and 10/03/2005 WY JN Exploration & Production, Inc. Gas, Inc. Joe J Klabzuba Partnership (aka Joe J Klabzuba June 23, 2010 MT Family Limited Partnership) Klabzuba Brothers, L.L.C. 07/06/2010 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

NM John C Oxley LLC Chesapeake Exploration Limited Partnership 06/11/2008 WY John M. Parrish, Jr. Estate The John M. Parrish , Jr. Trust under Will dated July 22, 11/17/2017 WY 1977 JN Oil and Gas, Inc. JN Resources, Inc. 10/03/2005 WY Johnson, Nancy J. Kiser, Nancy J. 05/21/1991 WY Johnson, Robert E. Estate of Robert E Johnson: John H. Johnson, Jr. and 12/07/2006 WY Doris G. Lombard, beneficiaries Jonah Energy Company Jonah Energy Company LLC 08/28/2002 WY Jonah Energy (NPL) LLC Jonah Energy (Wedge) LLC 02/29/2016 WY Jonah Energy (JV) LLC Jonah Energy (Wedge) LLC 02/29/2016 WY Jonah (NPL) Nomco Inc & Jonah (JV) Nomco Inc. Jonah (Wedge) Nomco Inc. 03/23/2013 WY Josephine E. Johnston Josephine E. Johnston Irrevocable Trust 09/02/2015 WY Joseph Oil Corp Gruss Petroleum Corp 05/22/1986 WY 04/23/2010 CA J.P. Oil Company, Inc. J.P. Oil Company, LLC 05/04/2010 WY Justice Oil Company LLC Justice Oil & Gas LLC 10/19/2004 WY

K Kaiser Energy Inc Presidio Energy Inc 12/28/1987 WY Kaiser-Francis Anadarko, LLC GBK Investments, LLC 01/22/2015 MT / WY Kaiser-Francis Gulf, LLC GBK Investments, LLC 01/22/2015 MT / WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Kaiser-Francis Mid-Continent, LLC GBK Investments, LLC 01/22/2015 MT / WY Kaiser-Francis Anadarko, LP GBK Investments, LLC 01/22/2015 MT / WY Kaiser-Francis Gulf Coast, LTD GBK Investments, LLC 01/22/2015 MT / WY Kaiser-Francis Mid-Continent, LP GBK Investments, LLC 01/22/2015 MT / WY Kaneb Production Company Kaneb Energy Company 05/23/1986 WY Kannenstine, Helen R (Rorbach) Estate of Helen Rorbach Kannenstine 01/20/1987 WY Kansas-Nebraska Natural Gas Co Inc KN Energy Inc 05/09/1983 WY KCS Medallion Resources Inc KCS Resources Inc 8/28/2002 NM KCS Michigan Resources Inc KCS Resources, Inc. 08/28/2002 NM KCS Resources, Inc. KCS Resources, L.L.C. 10/09/2009 NM 10/22/2009 WY KEE Exploration, Inc. Wichita River Oil Corp 05/13/1988 WY Amended Decision-Additional Lease 10/13/1988 WY Amended Decision-Additional Lease 11/04/1988 WY Kemmerer-La Barge Oil Company Kemmerer-La Barge Royalties LLC 10/06/2003 WY Kemmerer-LaBarge Royalties Syndicate Kemmerer-LaBarge Royalties LLC 10/06/2003 WY Kenai Oil & Gas Inc ERC Industries Inc (Letter) 10/21/1986 WY Original Decision 12/31/1986 WY Amended Decision-Added Lease 05/07/1987 WY Amended Decision-Added Lease 08/14/1987 WY Kenai Oil Company Inc Kenai Oil & Gas Inc 07/14/1978 WY 08/02/1978 WY 10/25/1978 NV

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Kenai Oil & Gas Inc ERC Industries Inc 12/31/1986 WY KenCope Acquisition Company New London Oil, Inc. 11/03/1989 WY Kennedy M John Kennedy Oil 06/04/1998 WY Kenneth Leroy Hubbard The Estate of Kenneth Leroy Hubbard; Donald G. 11/25/2005 WY Hubbard, Peggy H. Seymour, JoAnn H. Wolfe and Vicky H. Auberry, devisees. Kerr-McGee Corp Kerr-McGee North American Onshore Corp 12/31/1996 WY Kerr-McGee Canada Onshore Ltd Devon Energy Corp (NV) 03/12/1997 WY Kerr-McGee North American Onshore Corp Devon Energy Corp (NV) (Vacated Decision) 03/12/1997 WY (Amended Decision) 11/13/1997 WY Kerr-McGee Oil & Gas Onshore LLC Westport Oil & Gas Company, LP 06/22/2006 CO (Oil & Gas Leases Only) Kerr-McGee Oil & Gas Onshore LP 09/06/2006 WY (Rights-of-Way Grants Only) Kerr-McGee Oil Industries, Inc Kerr-McGee Corporation 01/20/1966 WY Kerr-McGee Rocky Mountain Corp Kerr-McGee Oil & gas Onshore LP 10/05/2006 WY (Oil & Gas Leases Only) Kerr-McGee Oil & Gas Onshore LP 09/06/2006 WY (Rights-of-Way Grants Only) Kersey Development Corp Golden Buckeye Petro Corp 01/04/1990 WY Kestrel Energy, Inc. Samson Oil and Gas USA Inc (oil & gas leases only) 04/19/2007 WY Samson Oil and Gas USA Inc (rights-of-way only) 04/19/2007 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Primexx Operating Corporation Pending (New Mexico Decision, oil & gas leases only) 02/15/2008 NM (Wyoming cover memorandum, oil & gas leases only) Kevin O. Butler & Associates 03/10/2008 WY Kewanee Oil Company Kewanee Industries, Inc. 09/19/1975 NM 11/14/1975 WY Keystone Group, Inc. Keystone Group, L.P. 02/10/2006 NM KFN NR Minerals Holdings II Agent Corp, KKR NR I-A Trinity River Energy Lease Assets Inc. 06/24/2015 (sent ES Mineral Holding II Agent Corp, and KKR NR I Mineral again on 11/28/17) WY II Agent Corp. 07/16/2015 Khody Land & Minerals Company RKI Exploration & Production LLC 01/30/2017 WY Kimbark Inc Kimbark Oil & Gas Company 03/06/1987 WY Kimbark Newsur Inc Kimbark Oil & Gas Company of Colorado 03/06/1987 WY Kimbark Oil & Gas Company Hallador Petroleum Company 03/08/1990 WY Kimbark Oil & Gas Company Kimbark Oil & Gas Company of Colorado 03/06/1987 WY Kimbark Operating Company The Kimbark Company 03/06/1987 WY Kimble Gas Gathering Company WOC Acquisition Company 01/23/1995 WY King Resources Company Phoenix Resources Company 11/18/1978 WY Knight, Inc. (Colorado Decision, Oil & Gas Leases Only) 02/521/2008 CO (Wyoming Cover Memorandum, oil & gas leases only) 03/10/2008 WY Knight, Inc. Kinder Morgan, Inc. (Rights-of-way grants only) Pending WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

03/30/2012 MT

Kirby Minerals LC Kirby Minerals 04/11/2012 WY Kissinger Petroleum Corp Ranger Oil Company 10/27/1981 CO 11/12/1981 WY Amended Decision 06/02/1982 WY Kirby Industries, Inc. Kirby Petroleum Company Effective Date: 08/25/2004 WY 11/13/1967 Kissinger Petroleums Corp Kissinger Petroleum Corp 03/18/1975 WY Kleinschmidt, Ruth Andrews Bryon Matheson Trust 02/23/2001 WY KN Energy, Inc. Kinder Morgan, Inc. (rights-of-way grants only) 09/13/2007 WY KN Production Company TBI Acquisition Inc 05/10/1996 WY KN Production Company TBI Production Company 05/23/1996 WY Koch Exploration Company Koch Exploration Company LLC 02/13/2002 CO Koch, Jody N. & Herbert A. Koch Production LP 06/03/1985 WY Kodiak Williston LLC Kodiak Oil & Gas (USA) Inc. 04/23/2015 MT 05/20/2015 WY Kodiak Oil & Gas (USA) Inc. Whiting Resources Corporation 04/23/2015 MT 05/20/2015 WY Koenig, William Harold, Sr. William H. Koenig Revocable Trust 07/14/2014 WY KRM Petroleum Corp Prime Energy Corp 06/07/2001 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

La Barge Oil Company Kemmerer-La Barge Royalties LLC 10/06/2003 WY La Barge Royalties Syndicate Kemmerer-La Barge Royalties LLC 10/06/2003 WY La Plata Associates, L.L.C. Pure Resources, LP 06/08/2006 NM Ladd & Lukowicz Inc Eureka Oil Company 08/17/1984 WY Amended Decision-Additional Lease 07/17/1987 WY Ladd Petro Corp Amax Oil & Gas 08/15/1991 WY LAE Energy Inc Black Hawk Oil Company 05/24/2001 WY Lance Oil & Gas Company, Inc. Anadarko Petroleum Corporation (rights-of-way grants only) Pending WY Lance Oil & Gas Company, Inc. Anadarko LOGC Company LLC 04/30/2013 WY (Oil and Gas Leases Only) Larry Barnes Petro Inc LB Industries Inc 12/07/1989 WY Larson Virginia Cook Virginia Cook Larson Irrevocable Trust dated Pending WY 05/01/2012 Laser Oil Company Westport Oil & Gas Company Inc 01/31/1997 WY Amended Decision 05/25/2005 WY Lasmo Inc Golden Eagle Refining Company 03/02/1994 WY Lasmo Energy Corp Lasmo Inc 03/02/1994 WY LB Petroleum Inc LB Industries Inc 12/07/1989 WY LB Oil & Gas Corp LB Industries Inc 12/07/1989 WY LDRC Energy Inc Bogert Oil Company 12/01/1993 WY LDY Corporation Yates Exploration Company, Inc. 12/27/2004 NM

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

L.E. Behm, Inc. Behm Energy, Inc. 07/11/2006 MT Lear 1982-P Ltd Partnership Total Minatome 1982- P Ltd Partnership 10/28/1990 WY Leben Oil Corp Kaiser-Francis Company 01/29/2003 NM Lee M. Bass, Inc LMBI, L. P 02/02/2006 NM Le Norman Energy Corp Patina Oklahoma Corp 05/25/2005 WY Le Norman Energy Corp Patina Oil & Gas Corp 10/15/2004 ES Amended Decision 12/27/2004 ES Legend Natural Gas III, L.P. Trinity River Energy, L.L.C. 09/21/2017 NM 09/26/2017 WY Leonard Resource Investment Corporation JTD Resources, LLC 12/27/2004 NM Leopard Sub II LLC Halcon Geo LLC 09/20/2013 MT 10/28/2013 WY 07/15/2010 NM Lewis B. Burleson, Inc. Burleson Petroleum, Inc. 07/28/2010 WY Liberty Energy Corporation Liberty Energy LLC 05/23/2012 WY Lien Brothers Oil Company Western Production Company 08/29/1984 WY 06/08/2011 CO Linde, Inc. Linde, LLC 10/18/2011 WY Limark Corporation NorthStar Operating Company 06/21/2004 WY Lingen Exploration Lingen Oil & Gas Inc 03/22/1984 WY Link Energy Pipeline LP Plains Marketing LP 08/01/2005 WY Link Energy LP Plains Marketing LP 08/01/2005 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Linn Energy Holdings, LLC Riviera Upstream, LLC 08/02/2019 Linn Exchange Properties, LLC and Linn Energy Holdings LLC 09/29/2015 NM Linn Exchange Properties II LLC 10/01/2015 WY Linn Exploration Midcontinent, LLC Linn Energy Holdings, LLC 10/12/2017 NM 10/13/2017 WY Linn Exploration & Production Michigan, LLC Linn Energy Holdings, LLC 10/12/2017 NM 10/13/2017 WY Linn Midwest Energy, LLC Riviera Michigan, LLC 08/02/2019 NM Linn Operating Inc. Linn Operating, LLC 10/04/2017 NM 10/13/2017 WY Linn Operating, LLC Riviera Operating, LLC 08/02/2019 Little, Anne B. Anne B Little Rev Trust 04/27/2000 WY L.L.E.P.S. Inc Redfern Oil Company 09/18/2001 WY 02/01/2010 NM Lobos Energy Partners LLC Khody Land & Minerals Company 02/22/2010 WY Lomak Production Company Range Production Company 07/29/1999 NM Lomax Exploration Inland Production Company 07/25/1996 UT 01/12/2005 WY Lone Star Energy Plant Operating Enserch Exploration Inc 10/24/1997 MT Lone Star Producing Company Enserch Exploration Inc 10/07/1976 NM 11/20/1975 WY Long Petroleum Company Hardy Petroleum Company 05/25/1990 WY Louis Dreyfus Natural Gas Corp Dominion Oklahoma Texas Exploration & Production Inc 01/10/2002 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

(Amended Decision) (Amended Decision) 12/12/2001 CO (Amended Decision) 01/10/2007 MT 01/23/2007 WY Louis Dreyfus Reserves Corp Bogert Oil Company 12/01/1993 WY Louis Dreyfus Gas Holdings Inc Bogert Oil Company 12/01/1993 WY Louis Dreyfus Reserves Holding Corp Bogert Oil Company 12/01/1993 WY Louisiana-Hunt Petroleum Corp Hunt Petroleum Corp 05/30/1986 WY Lovelady, Isaac W. (I.W.) Estate of Isaac W. Lovelady, Linda Lovelady Epstein & 01/15/2013 WY Connie Lovelady Rappaport, devisees LR Co LR Company 04/23/1980 WY Lusk Royalty Co LR Company 11/15/1979 WY LVO Corporation Utha International, Inc. 08/27/1975 WY Lyco Energy Corporation Enerplus Resources ( USA) Corp 06/22/2006 MT

M M.A. Verbrugge B&E Trust, Mary L. Tuttle-Hagstrom, Trustee 09/20/2004 WY Madison Resources Inc Adobe Resources Inc 05/09/1986 WY (Amended Decision-Lease Added) 03/06/1987 WY (Amended Decision-Leases Added) 12/10/1986 WY Magic Circle Energy Corporation Great Plains Pipeline Company 08/29/2012 WY Magic Petroleum Petro Carbons, Ltd 07/02/1986 WY Magness Petroleum Corp Cleary Petroleum Corp 10/06/1976 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Amended Decision—Additional Lease 02/03/1978 WY Amended Decision—Additional Lease 06/12/1978 WY Amended Decision—Additional Lease 07/19/1978 WY Magnet Cove Barium Corp Dresser Industries Inc 08/25/2004 WY Effective Date: 11/21/1967 Magnolia Petroleum Company Socony-Mobil Oil Company Inc 07/17/1960 WY Maguire Energy Company Maguire Oil Company 07/15/2010 NM & Maguire Oil Company Amended Name Change Decision 07/28/2010 WY 09/09/2009 NM Mallon Oil Company Black Hills Gas Resources, inc. 01/06/2011 WY Manning R L Nabors Drilling International Inc 09/14/1995 WY Mapco Production Company Mapco Oil & Gas Company 05/08/1984 WY Mapleleaf Transactions Inc AEC Oil & Gas (USA) Inc 02/13/2002 WY Mar-Win Development Company Marshall & Winston Inc 09/29/1990 WY Maralo Inc Maralo Merging Corp 11/20/2000 WY Maralo Merging Corp CCS Resources Inc 03/20/1986 WY Marathon Petroleum Company Marathon Oil Company 12/22/1982 WY (Amended Decision-Additional Lease) 10/19/1982 WY 01/14/2000 NM Mariah Energy Corporation Raptor Resources, Inc. 12/08/2010 WY Mariner Energy, Inc. Apache Deepwater, LLC 05/11/2011 WY Mariner Energy Resources, Inc. Apache Shelf, Inc. 09/19/2013 ES 10/28/2013 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Marline Petroleum Corp Cheniere Petroleum Corp 03/26/1986 WY (Amended decision-Added Lease) 05/20/1986 WY Mark Allen Chapman Mark Allen Chapman Estate 10/01/2015 WY MarkWest Energy Partners Ltd MarkWest Resources Inc 07/18/1977 WY MarkWest Coalseam Development Co. Inc MarkWest Resources Inc 07/18/1997 WY Markwest Resources, Inc. Markwest Hydrocarbon, Inc. 05/11/2012 CO 05/24/2012 WY Mary Shore 1971 Trust Wells Fargo Bank, Successor Trustee 01/16/2012 WY

Mary Margaret Shore 18th Restated Revocable Mary Shore 1971 Trust Trust, dated 09/06/2006, Wells Fargo Bank, Trustee 03/12/2012 WY Masterson, James A Laramide LLC 04/24/1995 WY Matador E&P Company Tom Brown Inc. (NM Notice) 09/18/2003 NM (Wyoming Cover Memorandum) 09/18/2003

Matador Petroleum Corporation 06/06/2011 WY (Amended Wyoming Cover Memorandum) Matador Operating Company Tom Brown Inc 09/18/2003 NM

(Wyoming Cover Memorandum Vacating Merger: 06/06/2011 WY Matador Operating Company is still a company of record) Matador Petroleum Corporation Tom Brown, Inc. (NM Notice) 09/02/2003 NM (Wyoming Cover Memorandum) 09/18/2003 WY (Amended Wyoming Cover Memorandum) 06/06/2011 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Matador Royalty Company Tom Brown Inc. (NM Notice) 09/18/2003 NM (Wyoming Cover Memorandum) 09/18/2003

Matador Petroleum Corporation 06/06/2011 WY (Amended Wyoming Cover Memorandum) Maxus Exploration Company Midgard Energy Company 06/29/1995 WY May Energy Partners Operating Partnership Ltd Hallwood Energy Partners LP 12/27/2002 WY Mayer, Len A, Estate of Melissa M. Crowley 06/05/2003 WY Mayfield, Gideon C Estate of Gideon C Mayfield, Central Bank of Denver, 11/07/1986 WY Personal Representative Maynard Corporation Maynard Oil Company 07/26/2004 WY Maynard Energy-85 Partnership Company Dissolved 04/22/1987 WY Assets Went To: Tintagel Energy Corp Maynard Energy, Inc. Company Dissolved 04/22/1987 WY Assets Went To: Tintagel Energy Corp Maynard Oil Company Forest Oil Permian Corporation 07/26/2004 WY Mayo Medical Res (MMR) May Foundation for Medical Education & Research Inc 05/24/1990 WY (MFMER) MB Operating Company, Inc. Great Lakes Energy Partners LLC 11/08/2011 ES 01/23/2012 WY MC Reserves Inc. Locin Oil Corporation 11/17/2017 CO 11/27/2017 WY McAdams, Roux & Assoc Inc Plains Petro Operating Company 02/28/1991 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

McAlester Fuel Company EnStar Petroleum Inc 05/23/1983 MT 07/25/1984 WY Amended Decision-Additional Lease 03/25/1986 WY McAlester Fuel Company Alpetco Inc 07/08/1977 WY 04/29/1977 MT McAllister Judith R Judith M Woodruff Family Inter vivos Trust Agreement 07/30/2001 WY McCutcheon Energy Company Western Interior Oil & Gas Corp 12/30/2005 WY MCEC Acquisition Corporation Magic Circle Energy Corporation 08/29/2012 WY McEnroe, Allan L No record title interest in active leases 05/02/2003 WY McLean, James D. Estate of James D. McLean, Carl T. McLean, executor 02/25/2004 WY McMoRan Oil & Gas Company McMoran Oil & Gas LLC 01/06/1999 WY McMurray Pipeline Company McMurry Oil Company 11/16/2001 WY McMurry Energy Company McMurry Energy Company LLC 02/13/2002 WY McMurry Energy Company LLC Shell Rocky Mountain Prod LLC 02/13/2002 WY McMurry Oil Company McMurry Oil LLC 09/10/2004 WY McMurry Oil LLC EnCana Oil & Gas (USA), Inc. 01/28/2005 WY (Amended Decision) MCNIC O&G Mid-Continent Inc MCNIC O&G Properties Inc 12/31/1997 NM MCNIC O&G Central Inc MCNIC O&G Properties Inc 12/31/1997 NM MCNIC O&G Enhanced Production Inc MCNIC O&G Properties Inc 12/31/1997 NM MCO Holdings Inc Maxxam Inc 02/12/1991 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

MCO Resources Inc UMC Petro Corp 08/23/1990 WY MCOR Oil & Gas Corp UMC Petro Corp 08/23/1990 WY MCR NewCorp, Inc. MCO Resources Spectrum Corp 05/15/1986 WY McCulloch Gas Processing Corp MGPC, Inc. 02/01/1982 WY Right-of-way 03/23/1984 WY Amended Decision-Additional Lease 05/14/1984 WY McCulloch Oil and Gas Corp MCOR Oil and Gas Corp 11/22/1980 WY McCulloch Oil Corp MCO Holdings, Inc. 07/17/1984 WY Amended Decision 06/25/1985 WY Amended Decision 11/13/1985 WY 09/29/2011 CO McElvain Oil & Gas Properties, Inc. McElvain Energy, Inc. 07/11/2011 WY McMoRan Exploration Company McMoRan Offshore Exploration Company 08/25/1986 WY McMoRan Exploration Company McMoRan Offshore Exploration Company 08/25/1986 WY of New Mexico McMoRan Freeport-Oil Company McMoRan Offshore Exploration Company 08/25/1986 WY McMoRan Offshore Exploration Company McMoRan Oil & Gas Co. 08/25/1986 WY McMoRan Offshore Production Company McMoRan Offshore Exploration Company 08/25/1986 WY McMoRan-Stonex Co. McMoRan Offshore Exploration Company 07/17/1985 WY Medallion Gas Services, Inc KCS Resources, Inc. 08/28/2002 NM Medallion Prod Company InterCoast O&G Company 11/18/1996 MT 06/02/1997 WY Medicine Bow Coal Company Arch of Wyoming Inc 02/25/1992 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Medicine Bow Electric Company Medicine Bow Telephone Company 05/21/1980 WY Medicine Bow Operating Company El Paso E&P Company, L.P. 07/20/2006 WY (Oil & Gas Leases Only) El Paso E&P Company, L.P. Pending WY (Rights of Way Grants Only) 05/06/2011 ES Mega Natural Gas Company Spring Holding Company 05/11/2011 WY Memorial Production Operating LLC Amplify Energy Operating LLC 06/16/2017 WY Mercury Exploration Company MSR Exploration Ltd. 04/12/2002 MT Mercury Montana Inc MSR Exploration Ltd. 04/12/2002 MT Meridian Oil Inc Burlington Res O&G Company 09/18/1996 MT Pending WY Meridian Oil Prod Inc Meridian Oil Inc 05/20/1996 MT Merit Energy Company Merit Energy Company LLC 09/11/2013 WY Merit Energy Partners L.P. Merit Management Partners L.P. 08/05/2005 WY MeritNet Partners LP Merit Partners LP 10/31/1996 WY Merrion, J. Gregory J Gregory Merrion and Rita V Merrion Revocable Trust, 01/12/2005 CO Thomas Gregory Merrion as trustee Merrion Petro Corp Merion Oil & Gas Corp 02/28/2001 NM Mesa Holding Company Mesa Operating Company 01/14/1997 NM Mesa Operating Company Pioneer Natural 04/08/1999 WY Mesa Operating Ltd Partnership Mesa Operating Company 03/15/1994 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Mesa Operating Ltd Partnership Pioneer Natural 04/08/1999 WY Mesa Petroleum Company Pioneer Natural 04/08/1999 WY Meyer, Earl O Earl O Meyer/Edna F Meyer Trust 08/07/1996 WY MGF Oil Corp GBK Corp 08/26/1993 WY MGS Development Company MCNIC O&G, Properties Inc 12/31/1997 NM Michael, Forrest Estate of Estate of Michael Forest, 11/17/2004 WY Gary R. Storm, Personal Representative Michael Saunders Shern Estate Michael Saunders Shearn Estate (corrected memo) 05/04/2016 WY Mid-Americana Drilling & Exploration Prairie States Exploration, Inc. 11/16/1983 WY Mid-Continent I, LLC Linn Energy Holdings, LLC 10/12/2017 NM 10/13/2017 WY Mid-Continent II, LLC Linn Energy Holdings, LLC 10/12/2017 NM 10/13/2017 WY Mid-Continent Holdings I, LLC Linn Energy Holdings, LLC 10/12/2017 NM 10/13/2017 WY Mid-Continent Holdings I, LLC Linn Energy Holdings, LLC 10/12/2017 NM 10/13/2017 WY Mid-Continent Petroleum Corp Sunray Mid-Continent Oil Company 10/14/1955 WO Midcontinent Acquisition Properties Inc Sundown Energy Inc 06/20/2000 NM Middle Bay Oil Company 3TEC Energy Corp 11/24/1999 NM Middle Bay Oil Company, Inc. 3TEC Energy Corp 08/28/2001 NM Middle Bay Production Company 3TEC Energy Corp 08/28/2001 NM

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Midgard Energy Company Maxus Energy Corporation 07/20/2006 WY Midland Oil Company Consolidated Oil and Gas, Inc. 04/25/1961 WY Midlands Gas Corp Excelsior Oil Corp 07/17/1985 WY Midpar LP Parker & Parsley Development LP 05/12/1995 MT Midwest Oil Company Midwest Oil Corporation 10/09/1952 WO Milestone Petro Inc Meridian Oil Inc 09/09/1985 WY Millennial Fund I, LP Eighty Three Energy Fund I, LP Pending WY Millennial PDP Fund III, LP Eighty Three Energy Fund III, LP Pending WY Minatome Corporation Total Minatome Corporation 01/22/1988 WY Minnoco Minnoco I 03/08/1999 WY Mission Corporation Getty Oil Company 07/06/1977 CO Amended decision 07/08/1977 ES* Mission Development Company Getty Oil Company 10/09/1967 WY Amended Decision 10/18/1967 WY 10/18/1967 ES Mitchell & Mitchell Gas & Oil Corp Mitchell Energy Corp 08/12/1971 Mitchell & Mitchell Properties Inc Mitchell Energy Corp 11/20/1974 Mitchell Energy Prod Company Mitchell Energy Corp 05/21/1992 WY Mitchell Energy Company LP Devon Energy Operating Company LP 05/24/2002 CO Mitchell Energy Corp Mitchell Energy Company LP 08/09/2001 CO Mitchell Energy Three Inc Mitchell Energy Corp 04/27/1981

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Mitchell Gas Products Inc Mitchell Energy Corp 01/29/1979 M & K Oil Company Inc. M & K Oil Company, LLC 11/29/2016 WY MLDL, Inc. J. Walter Duncan Jr. Inc. 01/20/1989 WY Mobil Oil Corporation ExxonMobil Oil Corp 07/25/2001 WY Mobil Oil Corporation ExxonMobil Oil Corporation (Amended Decision) 02/10/2006 WY Monahan, Rex Estate of Rex Monahan, 01/09/2012 WY Doris Monahan Personal Representative Mohan Petroleum Wyoming Inc Anderman Oils of Wyoming 01/31/2003 WY Monsanto Chemical Company Monsanto Company 05/05/1964 WY Monsanto Oil Company BHP Petroleum Company 08/15/1986 WY Montana-Dakota Utilities Company MDU Resources Group, Inc. 06/11/1986 WY Montana Power Gas Company, The North American Resources Company 01/30/2002 MT Montara Petroleum Company Nord-Montara Petroleum Company 02/17/1984 WY Monte Grande Exploration Inc MSR Exploration Ltd. 04/12/2002 MT Monterey Resources Inc, Texaco California Inc Chevron USA Inc 07/10/2003 CA Moore, David A Moore, Beverly J 04/03/1991 WY Moore McCormack Energy Inc CXY Energy Inc 10/31/1988 WY Moore McCormack Oil & Gas Corp Moore McCormack Energy Inc 05/30/1985 WY Moore McCormack Energy Inc CXY Energy Inc 03/08/1989 WY Moran Exploration Inc Kaneb Production Company 04/24/1985 WY Morgan Richardson Operating Company Richardson Operating Company 12/10/1992 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Mountain and Plains Oil Company Natural Resources Corp 02/28/1983 WY Mountain and Plains Oil & Gas Company Adobe O&G Corp 02/28/1983 WY Mountain Fuel Res Inc Questar Pipeline 07/12/1988 WY Mountain O&G Company of WY Mountain O&G Company of MT 01/03/1997 WY 10/17/1996 Mountain Plains Oil Company Adobe Oil & Gas Corp 02/03/1983 WY Mountain Producers Corporation Midwest Oil Corporation 10/09/1952 WO Mountain States Res Inc MSR Exploration Ltd. 04/12/2002 MT Mountfort-Webb Oil Company Inc Bennett Petro Corp 02/22/1974 WY Moxa Energy Corp Maze Energy Corp 08/01/1985 WY Amended Decision-Additional Lease 02/11/1987 WY McMoran Oil & Gas LLC 01/06/1999 WY Moxy LLC Amended Wyoming Notice 06/06/2011 WY MRL Partners, LP Lowe Partners, LP 05/02/2005 NM MROC LLC MR Oilco LLC 03/26/1999 WY MSR Drilling MSR Exploration Ltd. 04/12/2002 MT MSR Exploration Ltd. Quicksilver Resources Inc 04/12/2002 MT MSR Exploration Ltd. Mercury Montana Inc 04/12/2002 MT MSR Exploration of Texas Inc MSR Exploration Ltd. 04/12/2002 MT MSZ Resources Inc Corrida Oils Inc 07/07/1982 WY Mulford, Jr., Vincent S. Rosamund F. Mulford Trust, The Trust Company of 09/08/2005 WY Oklahoma, trustee

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

12/07/2009 NM Mullins & White Exploration, Inc. Guardian Oil & Gas, Inc. 12/14/2009 WY Mullen David E Owl Royalties Inc 03/05/1999 WY Mullen, David E. Estate of David E. Mullen 03/05/1999 WY Estate of Jerome A. Muschinske, Danette t. Mayer, Ruthann Poirior & Victoria L. Muschinske Heirs to the Muschinske, Jerome A. Estate 07/19/2010 WY Mullen David E, Estate of, Miller Timothy K 03/05/1999 WY Miller, Michael D. Murphy Oil Corp Murphy Oil USA Inc. 01/09/1984 WY Murray Exploration Inc Floyd Murray and Company 02/16/1989 WY

Top Operating Company Merger not Accepted: Recognition of TOP Operating 11/14/2011 CO Murray J Herring Ltd Company Only 03/28/2012 WY Myco Industries Inc. EOG M Resources Inc. 12/01/2016 NM 12/14/2016 WY Myers, Jack Milton, Estate of Jack Chandler Myers, Robert Lee Myers, 01/31/2003 WY Mary Ann Myers Ayres MW Petroleum Corp Apache Corp 04/23/2001 WY

N Nabors Drilling International Nabors International Inc 09/14/1995 WY Nance Petroleum Corporation St Mary Land & Exploration Company 02/12/2008 MT

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Nareco Corporation Natural Resources Corp 12/18/1984 WY Narmco Inc Texoma Production Company 02/28/1980 WY Amended Decision 03/04/1980 WY Nathan-Hummel Family Trust PWH EAGLE TRUST 08/23/2018 WY Nathan, Simeon (Sim) Jr., Estate of F. Reid Nathan, Personal Representative 08/26/2003 WY Nathaniel K. Poole Nathaniel K Poole Trust B 08/31/2015 WY National Bank of Casper Norwest Bank of Casper, N.A. 04/31/1987 WY National Pride Exploration Inc National Pride Exploration LC 06/21/2000 WY National Utility Supply Corp Premiere Energy Supply Corp 11/26/1991 WY Natural Gas Processing of Wyoming Natural Gas Processing 05/04/1976 WY Natural Resources Corporation Natural Resources Corporation of TX 09/11/1985 WY Natural Resources Corporation of TX Global Natural Resources Corp of MD 09/11/1985 WY Nautilus Resources LLC Breitburn Energy Company LP (oil and gas leases) 02/15/2007 WY (rights-of-way grants) 03/20/2007 WY NBL Permian LLC Noble Energy Inc 12/12/2019 NM Neher David W Crown Oil & Gas Company 02/17/1999 WY NEI Energy Inc NGC Energy Inc 04/29/2003 WY Nemetz, Dorothy Dorothy Nemetz Estate 05/15/2018 WY Neptune Holdco LLC Veritas DGC Land, Inc. 06/12/2006 CO Nerco Oil & Gas, Inc. Clements Energy, Inc. 11/06/1987 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Nerd Energy Inc Nerd Energy LLC 02/13/2002 WY Nerd Energy LLC Shell Rocky Mountain Prod LLC 02/13/2002 WY Nerd Enterprises Inc McMurry Oil Company 11/16/2001 WY New Britain Ltd Posse Energy Ltd 02/03/1997 MT New Cambridge Oil Company Cambridge Oil Company 06/18/1985 WY New Enserch Exploration Inc Enserch Exploration Inc 04/03/1995 MT New London Oil Inc KenCope Acquisition Company Decision Vacated 07/03/1989 WY New States Exploration Company States Exploration Company 05/09/1986 WY

05/06/2010 OR

Newberry Geothermal Holdings LLC Davenport Newberry Holdings LLC 05/18/2010 WY Newfield Exploration Gulf Coast Inc Newfield Exploration Gulf Coast LLC 01/23/2012 WY 12/14/2012 NM

Newfield Mid-Continent 2003, Inc. Newfield Exploration Mid-Continent, Inc. 08/27/2013 WY EEX Corporation (Montana Notice) 06/30/2003 MT (Wyoming Notice) 07/10/2003 WY Newfield Operating Company (Amended Wyoming Notice) 06/08/2009 WY Newfield Exploration Gulf Coast Inc (Montana Notice) 06/30/2003 MT (Wyoming Notice) 07/10/2003 WY Newfield Operating Company (Amended Wyoming Notice) 06/08/2009 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Newlander, Edwin L Estate of Edwin L Newlander, Geneva G Newlander, 08/26/2003 WY successor-in-interest Newlander, Geneva G Geneva G Newlander Trust, First Interstate Bank of Casper, 08/26/2003 WY Trustee Nielson Capital Energy Group LLC Nielson Capital Partners, LLC 05/14/2012 WY

Nielson Energy Group LLC(corrected) 01/25/2017 WY 05/10/2012 MT

Nuloch America Corporation Williston Hunter, Inc. 07/12/2012 WY Newmark America Petroleum Corp Trinity Resources, Inc. 01/09/1976 WY 12/27/1977 CO Newport Petroleums. Inc. Mineral Development, Inc. 01/13/2005 WY NGC Energy Corp PG & E Resources Company 08/18/1989 WY NGC Energy Inc Warren Energy Inc 04/29/2003 WY NGC Energy Resources LP Warren Energy Res LP 07/12/1999 WY (Amended Decision) 04/29/2003 WY 07/18/2011 NV NGP Black Warrior I NGP North Valley, Inc. 08/05/2011 WY NICOR Exploration Company Scana Exploration Company 04/18/1994 WY Nielson Energy Group, LLC Nielson Capital Partners, LLC 05/14/2012 WY Ninian Oil Finance Corp American Exploration Company 10/09/1996 WY Ninian Oil Company American Exploration Company 12/20/1991 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

February 20, 2009 CO Noble Energy Production, Inc. Noble Energy, Inc. 02/25/2009 WY Noarko Resources Inc Dillon Holding Inc 08/29/1988 WY Noll, Sanford B. Estate of Sanford B. Noll, all property left to Daurine Noll, as 05/13/2005 WY sole heir NOMECO Oil & Gas Company CMS NOMECO Oil & Gas Company 03/21/1995 ES* Norcen Petroleum, Inc. Norcen Explorer, Inc. 05/27/1986 WY Nord-Montara Petroleum Company Shanley-Montara Petroleum, Company 02/07/1984 WY Nortex Gas and Oil Company BelNorth Petroleum Corporation 08/13/1984 WY 10/16/1984 MT North American Res Company PanCanadian Energy Res Inc 01/30/2002 MT North Central Oil Corporation Pogo Producing Company 03/27/2006 WY January 13, 2010 ES WY North Coast Energy Eastern, Inc. EXCO-North Coast Energy Eastern, Inc. January 26, 2010 January 12, 2010 NM WY North Dallas Energy Holdings, LLC NDE Holdings, LLC January 25, 2010 North Finn North Finn LLC 08/11/1977 WY North Star Petroleum, Inc. Radian Petroleum, Inc. 12/22/1983 WY Northern Gas Company Kinder-Morgan Inc 10/10/2002 CO Northern MI Exploration Company NOMECO Oil & Gas Company 02/26/1991 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Northern Mountain Gas Company Northern Gas Company 02/01/1989 WY Northern Natural Gas Company InterNorth Inc 08/15/1980 WY Northern Natural Gas Producing Mobil Oil Corporation 04/08/1988 WY Northern Utilities Inc Northern Gas Company 02/01/1989 WY 05/06/2010 OR Northwest Geothermal Company LLC Newberry Geothermal Holdings LLC 05/18/2010 WY Northwest Production Company Williams Exploration Company 10/01/1985 WY Amended Decision-Deleted Leases 10/23/1985 WY Northwestern Energy LLC Northwestern Corporation 04/10/2017 MT

04/17/2017 WY Norton, Richard L. Estate of Richard L Norton, 03/21/2000 WY Ellen W. Norton, Beneficiary Norwest Bank of Denver Wells Fargo Bank of San Francisco 11/25/2005 WY Nova Petroleum Corp Nova Natural Resources Corp 11/03/1989 WY NPC Energy Corp Middle Bay Oil Company 12/31/1996 NM NPC, Inc Nance Petroleum Corporation 10/03/2005 MT Nuclear Power & Energy Company Nupec Resources, Inc. 12/15/1981 WY Nuclear Resources Inc Edison Development Company 07/03/1978 WY Nuevo Energy Company Plains Exploration & Production Company 10/19/2004 CA NuLoch America Corporation Williston Hunter, Inc. 05/10/2012 MT 07/12/2012 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

NWD, Inc J Walter Duncan Jr. Inc 01/20/1989 WY NZX Corporation Tom Brown Inc. (NM Notice) 09/18/2003 NM (Wyoming Cover Memorandum) 09/18/2003

Matador Petroleum Corporation 06/06/2011 WY (Amended Wyoming Cover Memorandum)

O Occidental Oil and Gas ( USA), Inc. Cities Service Oil and Gas Corp 06/06/1986 WY Amended Decision-Additional Lease 06/12/1986 WY Ocean Energy Inc Devon Louisiana Corp 08/20/2003 NM Ocean Energy Inc Seagull Energy Corporation 02/12/2003 NM Ocean Energy Resources Inc Ocean Energy Inc 11/27/2001 . (Amended Decision) 02/12/2003 NM Odessa Natural Corporation EPX Company(Original Decision) 04/21/1981 NM 08/12/1981 WY Amended Decision-ROW 10/06/1981 WY Ogle, Burdette A. Ogle Enterprises, LLC 03/10/2011 WY OGX Acreage Fund LP COG Acreage LP 02/26/2013 NM 03/11/2013 WY Ohio Oil Company Marathon Oil Co 08/06/1962 WY Oil Development Company of TX Santa Fe Energy Company 05/04/1995 WY Oilix Industries, Inc Adobe Oil and Gas Corporation 02/28/1983 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Okie Crude Company WOC Acquisition Company 01/23/1995 WY 05/05/2010 NM Oklahoma Basic Economy Corporation Pontotoc Production Company, Inc. 05/18/2010 WY Oklahoma Industrial Energies Inc New Cambridge Corp 06/18/1985 WY Oklahoma Pacific Ltd Posse Energy Ltd 02/03/1997 MT Oliver, Daniel Estate of Daniel Oliver 08/23/2012 WY Olson, Emil, Estate of Fern E Olson 02/12/2003 WY Omni Resources, Inc. Tresor Petroleum, Inc. 12/07/1981 WY ONG Exploration, Inc. ONEOK Exploration Company 06/20/1986 WY OOGC America, Inc. OOGC America, LLC 04/16/2014 WY OOGC America, Inc. CNOCC Energy U.S.A. LLC (CEU) WY OPCO Production Company Wichita River Oil Corp 05/13/1988 WY Amended Decision-Additional Lease 10/13/1988 WY Amended Decision-Additional Lease 11/04/1988 WY Optigas, Inc. Optigas LLC 02/09/2012 WY Oregon Short Line Railroad Company Union Pacific Railroad Company 01/16/2004 WY Oryx Energy Company Kerr-McGee O&G, Onshore LLC 08/23/1999 ES* Osborn, William B., Estate of Rowena Simpson Osborn 06/12/2003 WY Overland Trail & Cattle Company LLC, The The Overland Trail Cattle Company LLC 01/12/2005 WY Overthrust Pipeline Company Questar Overthrust Pipeline Company Withdrawn WY (Rights-of-Way Grants Only) Oxford Consolidated Inc Oxford Exploration Company 10/18/1993 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Oxoco Exploration & Prod Inc Hawthorne Oil & Gas Corp 04/04/1988 WY Oxtex Inc Hawthorne Oil & Gas Corp 04/04/1988 WY OXY NM LP OXY USA WTP LP 08/05/2013 NM 08/27/2013 WY Oxy Petroleum Inc. Cities Service Oil and Gas Corp 02/10/1986 CA 06/06/1986 WY Amended Decision-Additional Lease 06/12/1986 WY 05/06/2011 ES Oxy Resources California LLC Vintage Production California LLC 05/11/2011 WY

P PG & E Gas Supply Company NGC Energy Company 07/30/1987 WY PG&E Res Company DALEN Res O&G Company 11/18/1994 WY P&O Falco, Inc. UPG Falco 10/17/1985 WY Decision Corrected 02/06/1986 WY P&O Falco, Inc. UPG, Inc. 02/06/1986 WY

P&O Oil Corp Southland Royalty 04/14/1980 WY P&P Producing Inc Midpar LP 06/15/1995 WY 04/04/1996 MT P&P Prod Texas Inc P&P Producing Inc 11/01/1993 WY Pacific Enterprises ABC Corp Sempra Oil & Gas Inc 10/25/2000 WY Pacific Enterprises Oil Company (USA) Pacific Enterprises ABC Corp 10/25/2000 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Vacated Vacated 02/13/2002 WY Pacific Enterprises Oil Company (USA) Sempra O&G Inc 10/25/2000 WY Vacated 02/13/2002 Pacific Enterprises Royalty Company Pacific Enterprises Oil Company (USA) 02/20/1990 WY Pacific Telecom, Inc, dba PTI Communications, CenturyTel of Wyoming, Inc. 03/03/2004 WY Inc. Pacific Transmission Supply Company PG & E Gas Supply Company 07/30/1987 WY Paine Webber/ Geodyne Energy Income Production Partnership 07/29/2009 NM I-E Geodyne Energy Income Production Partnership I-E 03/18/2010 WY Paine Webber/ Geodyne Energy Income Production Partnership 07/29/2009 NM I-F Geodyne Energy Income Production Partnership I-F 03/18/2010 WY

Paine Webber/Geodyne 07/29/2009 NM Production Partnership II-A Geodyne Production Partnership II-A 03/18/2010 WY

Paine Webber/Geodyne 07/29/2009 NM Production Partnership II-C Geodyne Production Partnership II-C 03/18/2010 WY

Paine Webber/Geodyne 07/29/2009 NM Production Partnership II-D Geodyne Production Partnership II-D 03/18/2010 WY PaineWebber/Geodyne Energy Income Production Partnership I-D Geodyne Resources Inc 03/04/2020 WY Pan American Petroleum Corporation Amoco Production Company 04/06/1971 ES* 06/08/1987 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Pan Eastern Exploration Company APX Corp 01/22/1986 WY Panada Exploration Inc LaTex Petroleum Corp 07/24/1997 NM PanCanadian Energy Corp EnCana Corp 05/23/2002 MT PanCanadian Energy Resources Inc EnCana Energy Resources Inc 05/23/2002 MT PanCanadian Energy Holdings Inc EnCana Energy Holdings Inc 05/23/2002 MT PanCanadian Energy Services Inc EnCana Energy Services Inc 05/23/2002 MT PanCanadian Gulf of Mexico Inc EnCana GOM Inc 05/23/2002 MT PanCanadian Heritage Lands EnCana Heritage Lands 05/23/2002 MT PanCanadian Midstream Inc EnCana Midstream Inc 05/23/2002 MT PanCanadian Midstream Limited EnCana Midstream Limited 05/23/2002 MT PanCanadian Resources EnCana Resources 05/23/2002 MT Panhandle Western Gas Company APX Western Corp 07/28/1988 WY Pannonian Energy Inc Gasco Production Company 04/27/2004 WY Panther City Exploration Company Expro Engineering Inc 12/2019 NM 02/17/2010 NM Parallel Petroleum Corporation Parallel Petroleum LLC 02/25/2010 WY Parcal Texas, Inc, a Texas Corporation Parcal, Inc. A Delaware Corporation 04/26/2005 WY 05/09/2005 NM Parcal Texas, Inc, a Texas Corporation Midpar L.P., a Texas Corporation 04/26/2005 WY 05/09/2005 NM Parker & Parsley Acquisition Company P&P Prod Texas Inc 11/01/1993 WY

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Parker & Parsley Dev Company Midpar LP 04/04/1996 MT Parker & Parsley Dev LP Parker & Parsley Prod LP --DBA 12/27/1994 MT (Amended Decision) 04/04/1996 Parker & Parsley Dev LP Pioneer Natural Res USA 03/25/1999 WY Parker & Parsley O&G Company Parker & Parsley; Petro USA 12/30/1994 MT Parks, Ida C., Estate of Kevin R. Parks, Personal Representative 07/02/2004 WY February 20, 2009 CO Patina BNR Corporation Noble Energy Production, Inc. 02/25/2009 WY February 20, 2009 CO Patina Oklahoma Corp Noble Energy Production, Inc. 02/25/2009 WY February 20, 2009 CO Patina San Juan, Incorporated Noble Energy Production, Inc. 02/25/2009 WY Patton, Eunice Deanne J. Deanne J. Patton Trust, Harold W. Patton, Jr., Trustee 02/13/2013 WY Parks, Kenneth J., Estate of Kevin R. Parks, Personal Representative 07/02/2004 WY Parson Elmer S Jr, Parson Oil LLC 08/20/1996 WY Patina Oil & Gas Corporation Noble Energy Production, Inc. 10/05/2005 CO Patrick Petroleum Of MI American National Petroleum Company 11/04/1999 WY Patrick Petroleum Of MI Goodrich Petroleum Company of Louisiana 11/04/1999 WY Patriot Land Company Patriot Land LLC 12/02/2008 WY Patterson Petroleum, LLC (New Mexico Notice Oil & Gas Leases Only) 06/18/2008 NM Patterson Petroleum, LP Wyoming Cover Memorandum (Oil & Gas Leases Only) 07/02/208 WY

100

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Paul and Lynn Sawyer Revocable Living Trust Paul F. Sawyer Revocable Living Trust 07/31/2017 WY Paul T Walton Paul T Walton Estate 05/19/2016 WY Pauley Petroleum, Inc. Hondo Oil & Gas Company 03/15/2005 WY Pauper’s Dream Company Planet Gas USA, Inc. 09/27/2011 WY P'Bell Energy Company/Corp CoEnergy Mid-Continent Inc 12/31/1997 NM 02/28/2011 MT Peak North Dakota LLC Enerplus Resources (USA) Corporation 03/10/2011 WY Pecos Production Company Chesapeake PPC Corp 12/30/2005 NM PennzEnergy company Devon Energy Corporation 02/16/2017 UT 02/17/2017 WY Pennzoil Petroleum Company Pennzoil Exploration & Prod Company 12/30/1994 NM 11/09/2001 WY Pennzoil Exploration & Prod Company PennzEnergy Exploration & Prod LLC 12/28/1998 NM 11/09/2001 WY Pennzoil Producing Company Pennzoil Company 03/08/1987 WY PennzEnergy Exploration & Production Company Devon Energy Production Company LP 12/28/1998 NM LLC 12/20/2000 CO 11/09/2001 WY Peoples Energy Production—Texas, L.P. Coronado Energy E & P Company, L.L.C. 01/30/2009 NM 02/04/2009 WY Perenco LLC LCX Energy LLC 09/08/2005 NM Performance Drilling Motors Inc Performance Drilling Management 01/25/1999 UT Perry R Bass Inc Chisholm Trail Ventures LP 02/23/2001 WY

101

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Peschel, Lawrence C. Mary P Jakes 02/23/2001 WY Peterson, Robert W. Estate of Robert Peterson 08/22/2012 WY PetroCorp Acquisition Company PetroCorp Inc 08/26/2003 WY PetroCorp Incorporated Unit Petroleum Company 07/27/2006 WY Petrodel Exploration Petrofina Delaware Inc 06/07/1989 WY Petrofina Delaware Inc ATOFINA Petrochemicals Inc 05/07/2002 MT Petro-Hunt, L.L.C. Halcon Williston I, LLC 03/12/2013 MT 08/26/2013 WY Petrofina Exploration Inc American Petrofina Company of Texas 10/30/1990 WY (Certificate Only) 06/28/1985 Petroleum Development Corp Warren E&P Inc 11/14/2003 WY Patterson Petroleum, LP (New Mexico Notice Oil & Gas Leases Only) 06/18/2008 NM Petroleum LP, LLLP Wyoming Cover Memorandum (Oil & Gas Leases Only) 07/02/2008 WY Petroleum Resources Company Bison Production Company 09/15/1994 NM Petromark Merger Company GKM Inc 10/15/1987 WY Petromark Resources Company PEDCO Resources Company 05/22/1990 WY Petromark Resources, Inc GKM Inc 10/15/1987 WY Petroquest, Inc High Plains Oil Corp 05/09/1986 WY

Petroro Corp Captiva Res Inc 06/12/1998 WY Petrotide Ltd Posse Energy Ltd 02/03/1997 MT

102

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Petrotiger II Ltd Posse Energy Ltd 02/03/1997 MT Petro-Lewis Corporation FPCO Oil and Gas Company 07/24/1987 WY

Petro Ventures Exploration Company MCNIC O&G, Properties Inc 12/31/1997 NM

PETX Petro Corp Anchor Bay Corp 05/01/1990 WY PHC-I, LLC PRE Resources, LLC 08/04/2017 CO Phibro Oil & Gas Corp IDC Energy Corp 07/19/1984 WY Philadelphia Quartz Company PQ Corporation 05/01/1978 WY Phillips Oil Company Phillips Petroleum Company 01/08/1988 CA Phillips Oil Company Phillips Petroleum Company 10/29/1985 WY (Amended) 12/17/1985 WY (Amended) 01/08/1986 WY Phillips Petroleum Company ConocoPhillips Company 02/14/2003 WY Piceance Energy LLC Laramie Energy LLC 02/11/2016 CO 02/22/2016 WY Picon Petroleum, Inc. Picon Exploration, Inc. 01/06/1986 WY Pilot Production Company Tom Brown Inc. (NM Notice) 09/18/2003 NM (Wyoming Cover Memorandum) 09/18/2003

(Amended Wyoming Cover Memorandum Vacating Merger 06/06/2011 WY Notice) Pinedale Corporation Energy Minerals Corporation 09/14/1979 WY Amended Decision-Added Leases 02/23/1978 WY Amended Decision-Added Leases 02/11/1983 WY

103

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Pinnacle Gas Resources, Inc. Summit Gas Resources, Inc. 04/08/2011 WY Pioneer BC Asset Sub LLC Pioneer Debt Sub LLC 02/10/2005 MT Pioneer Debt Sub LLC Pioneer Natural Resources USA Inc 02/10/2005 MT Pioneer Evergreen Properties LLC Pioneer Debt Sub LLC 02/10/2005 MT Pioneer Natural Pioneer Natural Resources USA Inc 04/08/1999 WY Plains Energy Investments, Inc. Voyager Oil & Gas, Inc. July 2, 2012 MT 08/29/2012 WY Plains Exploration & Production Company Freeport-McMoRan Oil & Gas LLC 04/03/2014 WY Plains Petro Company Barrett Resources Corp 03/14/2001 WY Plains Petro Operating Co Barrett Resources Corp 03/14/2001 WY Plains Pipeline LP Plains Marketing LP 08/01/2005 WY

Planet Oil and Minerals Corp Dalco Oil Company 10/21/1977 WY

Plantation Petroleum Acquisition LLC RB Operating Company 10/21/2005 NM Plaza Acquisition I Corp EnCana Oil & Gas ( USA), Inc. 03/22/2005 CO 04/22/2005 WY Plaza Acquisition II Corporation Tom Brown Inc 12/22/2004 ES

Peak Wyoming Acquisition LLC Wesco Production LLC 04/15/2015 WY P. O. & G. Resources-Texas, L.L.C. P. O. & G. Resources, LP 09/13/2012 WY

Pogo Producing Company PXP Acquisition LLC 02/12/2008 WY

Pogo Producing Company LLC PXP Producing Company LLC 09/28/2012 WY

104

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Polumbus Corporation, The W.R. Grace and Company 03/17/1977 WY Amended Decision-Additional Lease 04/07/1977 WY Polumbus Petroleum Corp W.R. Grace and Company 11/07/1978 WY Amended Decision-Additional Lease 04/17/1980 WY Amended Decision-Additional Lease 07/29/1980 WY Amended Decision-Additional Lease 05/01/1981 WY Amended Decision-Additional Lease 08/03/1981 WY Amended Decision-Additional Lease 06/11/1982 WY Amended Decision-Additional Lease 06/11/1985 WY 05/05/2010 NM Pontotoc Holdings, Inc. Pontotoc Production Company, Inc. 05/18/2010 WY P O R Oil & Gas Inc Norcen Explorer Inc 07/24/1995 WY Posse Petroleum Ltd Posse Energy Ltd 02/03/1997 MT Powder Acquisition Co. Pinnacle Gas Resources, Inc. 04/05/2011 WY Powder River Coal Company Powder River Coal LLC 03/27/2006 WY Powerbridge, Inc. Pioneer Natural Resources USA, Inc. 04/26/2005 MT PPPCO One Oil Company Ltd Posse Energy Ltd 02/03/1997 MT PRB Gas Transportation, Inc. PRB Oil & Gas, Inc. 03/13/2007 WY (Rights-of-Way Grants Only) PRB Oil & Gas, Inc. Black Raven, Inc. 06/16/2009 WY PRE Resources, Inc. PRE Resources, LLC 05/12/2014 WY PRE Resources Rockies, L.P. PRE Resources, LLC 08/04/2017 CO Presido Energy Inc Presidio Exploration Inc 03/10/1994 WY

105

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Presidio Exploration Inc TBI Exploration Inc 07/18/1997 WY Presidio Oil Company, TBI Oil Company Tom Brown, Inc. 03/02/2005 WY Presidio Pipeline Inc Presidio Gas Resources 07/23/1991 WY Preston, Jeffery D, aka Jeffrey D Chorney Jeffrey D Preston Testamentary Trust & CB Community 11/05/2002 WY School Parent-Teacher-Student Association Prima Management Corp Prima Oil & Gas Company 01/04/1990 WY Prima Oil & Gas Company (a Colorado Petro-Canada Resources (USA) Inc 12/27/2004 WY Corporation)

Primary Natural Resources, Inc. Resolute Wyoming, Inc. Oil & Gas Leases 11/13/2008 WY Resolute Wyoming, Inc. Rights-of-way Grants 01/07/2009 WY Primero Gas Marketing Company Pioneer Natural Resources USA, Inc. 04/26/2005 MT

TAQA North USA, Inc. Oil & Gas Leases Only 02/12/2009 WY PrimeWest Petroleum, Inc. Rights-of-Way Grants Only Pending WY

Princeps Partners, Inc. JN Resources, Inc. 10/03/2005 WY

Prodeco Exploration Inc Prodeco Investments Inc 10/07/1986 WY

Prodeco Investments Inc Bow Valley O&G Inc. 10/07/1986 WY

Prodeco Oil & Gas Company Ltd Bow Valley Industries 10/07/1986 WY

106

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Prodeco Resources Inc Prodeco Investments, Inc 10/07/1987 WY

Program Acquisition Company Bellwether Exploration Company 05/21/2001 WY Progress Fuels North Texas Gas LP Winchester Production Company 01/25/2005 NM 03/02/2005 WY Provident Life Insurance Company United States Life Insurance Company 12/29/2004 MT Provident Resources Inc Trend Exploration Ltd 08/19/1986 WY (Amended Decision) 05/04/1995 WY PRS Offshore, L.P. Pure Resources, LP 06/08/2006 NM Prudential-Bache Energy Income Fund 1983 P-1, Parker & Parsley Acquisition Company 12/22/1993 WY et al Prudential-Bache Energy Income Fund Prod Parker & Parsley Acquisition Company 12/22/1993 WY Partnership 1983 p-1, et al Prudential-Bache Energy Income Ltd Partnership Parker & Parsley Acquisition Company 12/22/1993 WY IIP-4, et al Prudential-Bache Energy Income Prod Partnership Parker & Parsley Acquisition Company 12/22/1993 WY IIP-4, et al Prudential-Bache Pension & International Investor Parker & Parsley Acquisition Company 12/22/1993 WY LTD Partnership PI-1 LTD, et al Prudential-Bache Pension & International Investor Parker & Parsley Acquisition Company 12/22/1993 WY Prod Partnership PI-4, et al Prudential-Bache Pension & Retirement LTD Parker & Parsley Acquisition Company 12/22/1993 WY Partnership PBR-1, et al Prudential-Bache Pension & Retirement Parker & Parsley Acquisition Company 12/22/1993 WY

107

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Production Partnership PBR-1, et al Prudential Funds, Inc., The Prudential Group, Inc., The 09/28/1978 WY Amended Decision 12/26/1978 WY Amended Decision 05/02/1979 WY Prudential Minerals Exploration Corp Del Mar Petroleum, Inc. 06/08/1972 NM 11/14/1974 WY Public Lands Exploration Inc Corona Oil Company 11/18/1981 WY Pure Oil Company Union Oil Company of CA 09/01/1965 WY (An Ohio Corporation) 09/10/1965 ES Pure Energy Group, Inc. Doral Acquisition Corp 07/23/2012 NM

08/29/2012 WY Pure GP, LP Pure Resources, L.P. 10/11/2006 MT 11/06/2006 WY Pure Resources, LP Chevron Midcontinent, L.P. 06/08/2006 NM (Oil & Gas Leases Only) Chevron Midcontinent, L.P. Withdrawn WY (Rights-of-Way Grants Only) Pure Resources Holdings, LLC Pure Resources, L.P. 10/11/2006 MT 11/06/2006 WY PXP Acquisition LLC Pogo Producing Company LLC 02/12/2008 WY

Q 01/23/2008 UT QEP Uinta Basin, Inc. Questar Exploration and Production Company 03/27/2009 WY

108

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Quality Oil Field Services LLC JMC Oil Field Services, LLC 07/28/2010 NM 04/06/2015 WY Quantum Geophysical, Inc. Geokinetics USA, Inc. 12/23/2008 WY Questar Energy Trading Company QEP Marketing Company 01/09/2012 WY Questar Exploration Questar Exploration & Prod Company 12/03/1999 ES* Questar Exploration 07/13/2010 ES And Production Company QEP Energy Company 08/17/2010 WY Questar Pipeline Company Dominion Energy Questar Pipeline, LLC 03/29/2018 ES 04/03/2018 WY Quinoco O&G Income Program 1982-1 Quinoco Consolidated Partners LP 05/19/1988 WY Amended Decision Additional Leases 05/29/1990 WY Quinoco O&G Income Program 1982-2 Quinoco Consolidated Partners LP 05/19/1988 WY Amended Decision Additional Leases 05/29/1990 WY Quinoco O&G Income Program 1983-1 Quinoco Consolidated Partners LP 05/19/1988 WY Amended Decision Additional Leases 05/29/1990 WY Quinoco O&G Income Program 1983-2 Quinoco Consolidated Partners LP 05/19/1988 WY Amended Decision Additional Leases 05/29/1990 WY Quinoco O&G Income Program 1983-3 Quinoco Consolidated Partners LP 05/16/1991 WY Amended Decision Additional Leases 05/29/1990 WY Quinoco O&G Income Program 1983-4 Quinoco Consolidated Partners LP 05/19/1988 WY Amended Decision Additional Leases 05/29/1990 WY Quinoco O&G Income Program 1984-1 Quinoco Consolidated Partners LP 05/19/1988 WY Amended Decision Additional Leases 05/29/1990 WY Quinoco O&G Income Program 1984-3 Quinoco Consolidated Partners LP 05/19/1988 WY

109

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Amended Decision Additional Leases 05/29/1990 WY Quinoco O&G Income Program 1985-1 Quinoco Consolidated Partners LP 05/19/1988 WY Amended Decision Additional Leases 05/29/1990 WY Quinoco O&G Income Program 1985-2 Quinoco Consolidated Partners LP 05/19/1988 WY Amended Decision Additional Leases 05/29/1990 WY Quinoco O&G Income Program 1985-3 Quinoco Consolidated Partners LP 05/19/1988 WY Amended Decision Additional Leases 05/29/1990 WY Quinoco O&G, Income Program 1984-A Quinoco Consolidated Partners LP 05/19/1988 WY Amended Decision Additional Leases 05/29/1990 WY Quinoco Pension Investors O&G Income Program Quinoco Consolidated Partners LP 05/19/1988 WY 1984-B Amended Decision Additional Leases 05/29/1990 WY Quinoco Pension Investors O&G Income Program Quinoco Consolidated Partners LP 05/19/1988 WY 1984-C Amended Decision Additional Leases 05/29/1990 WY Quinoco Pension Investors O&G Income Program Quinoco Consolidated Partners LP 05/19/1998 WY 1985-A Amended Decision Additional Leases 05/29/1990 WY Quinoco Pension Investors O&G Income Program Quinoco Consolidated Partners LP 05/19/1988 WY 1985-B Amended Decision Additional Leases 05/29/1990 WY Quinoco Pension Investors O&G Income Program Quinoco Consolidated Partners LP 05/19/1988 WY 1985-C Amended Decision Additional Leases 05/29/1990 WY Quinoco Consol Partners LP Hallwood Consol Partners LP 05/09/1991 WY Quinoco Petroleum Hallwood Petroleum Inc 05/09/1991 WY Quintana Oceanic, Inc. OEC Oil and Gas, Inc. 08/15/1984 WY Quintata Refinery Company Qunitana Energy Corp 07/24/1981 WY

110

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Quivira Mining Company Rio Algom Mining LLC 10/10/2002 WY

R R L Manning Inc Nabors Drilling International 09/14/1995 WY R Patton TR FBO MCasey QTIP Trust Bessemer Trust Company of FL, Trustee 10/13/1999 WY RAG Coal West, Inc. Foundation Coat West, Inc. 11/09/2004 WY RAG Shoshone Coal Corporation Shoshone Coal Corporation 09/15/2005 WY RAG Wyoming Land Company Foundation Wyoming Land Company 11/19/2004 WY R & R Investments R & R Royalty, Ltd 11/01/2005 NM Rainbow Resources Inc Williams Exploration Company 01/26/1982 WY Amended Decision-Additional Lease 05/10/1982 WY Amended Decision-Correction to Lease# 02/16/1982 WY Amended Decision-Additional Lease 05/26/1982 WY Amended Decision-Additional Lease 08/13/1982 WY Amended Decision-Additional Lease 09/14/1982 WY Amended Decision-Additional Lease 06/01/1983 WY Amended Decision-Additional Lease 02/01/1984 WY Amended Decision-Additional Lease 02/23/1984 WY Amended Decision-Additional Lease 01/08/1985 WY Amended Decision-Additional Lease 09/09/1995 WY Ralph J. Thompson Sr. Trust Agreement Thompson, Ralph J. Jr. 03/27/2006 WY Ram Energy Holdings (LA), Inc. HRC Energy Holdings (LA), Inc. 08/31/2012 WY Ram Energy, Inc. Halcon Holdings, Inc. 08/29/2012 WY Ram Energy Louisiana, LLC HRC Energy Louisiana, LLC 08/29/2012 WY Ram Energy Resources, Inc. Halcon Resources Corporation 08/29/2012 WY

111

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Amended Notice 09/17/2012 WY Ram Energy Resources (LaFourche), Inc. HRC Energy Resources (LaFourche), Inc. 08/29/2012 WY Ram Energy Resources (WV), Inc. HRC Energy Resources (WV), Inc. 08/29/2012 WY Ram Operating Company, Inc. Halcon Resources Operating, Inc. 08/29/2012 WY Ramco Operating Company RAM Energy Inc 01/14/1999 NM Ramco-NYL 1987 LTD Partnership RAM Energy Inc 01/14/1999 NM Estate of E A Ramsay to Keith Ramsay as Successor-In- Ramsay, E A Interest 05/25/2010 WY Ran Ricks Inc Ricks Exploration Inc 11/29/2004 NM 06/30/2010 NM Range Operating New Mexico Inc Range Operating New Mexico, LLC 07/19/2010 WY 06/03/2010 NM Range Production I, L.P. Range Texas Production, L.L.C. 06/09/2010 WY RB Operating Company RAM Energy Inc 01/14/1999 NM RB Operating Company Range Operating New Mexico, Inc. 10/21/2005 NM Reading and Bates, Inc. Reading & Bates Oil and Gas Company 07/30/1973 WY Re-Bar National Inc Worldwide Petroleum Corp 01/03/1967 WY Redstone Gas Partners LLC Fidelity Exploration & Prod Inc 05/31/2001 CO 05/06/2011 ES Redwine Holding, LLC Cross Timbers Oil Company 05/11/2011 WY ReliaStar United Services Life Insurance ReliaStar Life Insurance Company 12/29/12004 NM Company

112

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

03/10/2009 ES 03/10/2009 ES Remington Oil and Gas Corporation Energy Resource Technology GOM, Inc. 03/27/2009 WY Republic Royalty Company Dorchester Minerals LP 11/14/2003 WY Reserve Oil and Gas Company Getty Oil Company 03/24/1986 WY Reserve Oil Inc Getty Reserve Oil Inc 08/26/1986 WY Amended Decision Additional Lease 10/22/1980 WY 09/29/2014 ES Resource JV Assets, LLC Compass Energy Operating, LLC Pending WY Resources Acquisition Corp Williams Prod RMT Company 09/18/2001 WY Retex, Inc. EnCana Oil & Gas (USA) Inc 03/15/2005 CO Reynolds Mining Corporation Reynolds Metals Company 09/091980 WY 03/04/2006 CO 05/07/2009 WY Riata Energy, Inc. SandRidge Energy, Inc. 02/25/2011 NV Richard P Desmet and Thelma F DeSmet 1971 Thelma F. Davis, Michele Ann Garbarino & Victoria Mildred 05/26/1976 WY Trust Blunt, Co-Executrixes Richard J Adamson Richard J Adamson Estate 07/30/2015 WY Richco Exploration Inc Chartering Company Inc 09/13/1982 WY (Amended Decision) 12/15/1982 WY (Amended Decision-Additional Lease) 02/04/1983 WY Richfield Oil Corporation The Atlantic Refining Company 02/01/1966 WY

113

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Ricketts, Ezra (E.L.). Estate of Ezra (E.L.) Ricketts, Richard L. Ricketts, Fiduciary 08/05/2005 WY

Ricks Exploration Inc Concho Exploration Inc 11/29/2004 NM Ricks Exploration II LP Concho Oil & Gas LP 11/29/2004 NM Rife Oil Corp Matrix Global Energy Corp 04/18/2003 NM Riley Ridge LLC Madison Gas LLC 05/20/2015 WY RIM-CBM LLC RIM Operating Company 03/28/2012 WY 07/28/2011 MT RIM LLP RIM LLLP 08/23/2011 WY 09/30/2010 MT Rincon Exploration LLC Nearburg Exploration Company, L.L.C. 10/05/2010 WY River Gas Corp Phillips Petroleum Company 07/09/2001 WY Riverbend Exploration & Production, LLC Warwick-Ares, LLC 05/30/2017 NM 06/14/2017 WY Riverbend Production, L.P. Black Stone Energy Company, LP 03/20/2014 WY RLP Gulf States, L.L.C. HLP Gulf States, LLC 08/29/2012 WY RME Oil & Gas Company Anadarko OGC Company 07/12/2012 WY RME Petroleum Company Anadarko E&P Company LP 10/10/2002 WY Robert M Bass Group Inc Keystone Inc 11/27/1990 WY Robin Resources, Inc. Roadrunner Oil & Gas, Inc. 09/19/2013 ES 10/28/2013 WY Robinette, Richard E., Jr., Estate of Richard E. Robinette 05/15/2001 WY

114

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Ronald Blanton Robinette, successor-in-interest Rock Well Petroleum (US) Inc Alpha Petrovision (US) Inc. 12/13/2012 WY Rock Well Resources (US) Inc Rock Well Petroleum (US) Inc 12/13/2012 WY Rocno Corporation EnCana Oil & Gas (USA) Inc 03/15/2005 CO Rock Oil Corp Pike Petroleum Corp 06/07/1983 WY Rockies Acquisition Properties Inc Williams Production Rocky Mountain Company 07/08/1999 UT 07/19/1999 WY Rocky Mountain Energy Company Union Pacific Minerals, Inc. 11/06/1987 WY Roddy Production Company, LLC Utah Conversion Notice 06/03/2008 UT New Mexico Conversion Notice 07/29/2008 NM Corrected New Mexico Name Change Notice 02/18/2009 NM

Wyoming Cover Memorandum 08/15/2008 WY Roddy Production Company, Inc. Corrected Wyoming Cover Memorandum 03/03/2009 WY Roemer-Sheridan Operating Inc San Marco Petroleum Inc 08/08/1995 WY 02/07/2011 MT Ronan, Inc. Nance Resources, Inc. 02/08/2011 WY Rosetta Resources Texas LP LLP Rosetta Resources Operating LP 03/03/2006 WY Rosetta Resources Texas GP LLC Rosetta Resources Operating LP 03/03/2006 WY Rosetta Resources Texas LP Rosetta Resources Operating LP 03/03/2006 WY Rosetta Resources Rockies LLC Rosetta Resources Operating LP 03/03/2006 WY Rosetta Resources California LLC Rosetta Resources Operating LP 03/03/2006 WY

115

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Rosewood Enterprises, Inc. Rosewood Resources, Inc. 11/04/1988 WY Ross-Steven 1994-1 Acquisition Program, LLC DES Acquisition, LLC 06/18/2014 WY Rover Resources, Inc. Crescent Point Energy U.S. Corp 04/27/2012 CO 05/31/2012 WY Royal Resources Corp Royal Properties Inc 02/14/1989 WY Rutter Holdings, Inc. Western Gas Res--Sand Wash, Inc. 10/12/2004 CO RWG Energy, Inc. Halcon Energy Properties, Inc. 08/29/2012 WY RYTTSA USA Inc Maxus Energy Corporation 07/20/2006 WY RZ, Inc. Zeneco, Inc. 11/06/2006 WY

S Sabine Corp Pacific Enterprises Royalty Company 05/26/1989 WY Sabine Oil & Gas LLC Forest Oil Corporation 03/02/2015 WY Sabine Oil & Gas Holdings, LLC Forest Oil Corporation 03/02/2015 WY Sabine Oil & Gas Holdings, II, LLC Forest Oil Corporation 03/02/2015 WY Sabine Production Company Sabine Corporation 05/02/1984 NM Saddle Rim Energy LLC Grant Canyon Oil & Gas LLC 02/18/2016 NV 02/22/2016 WY Saga Holding Company LLC Saga Petroleum Corp. 03/25/2011 WY 06/09/2010 NM Sagebrush Oil & Gas Company LLC Saber Oil & Gas Ventures, LLC 06/14/2010 WY Saks Oil Company Century Oil & Gas Corp 11/21/1977 WY

116

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

06/29/2010 CA Salinas Energy Corporation Neon Energy Corporation 07/30/2010 WY Saltmount Oil Company Midwest Oil Corporation 10/09/1952 WO Samedan Oil Corp Noble Energy Inc 01/31/2003 NM 10/20/2010 NM Samson Hydrocarbons Company SGH Enterprises, Inc. 10/26/2010 WY 01/10/2012 NM Samson Lone Star Limited Partnership Samson Lone Star, LLC 03/28/2012 WY Samson Natural Gas Company SNG Production Company 12/12/2005 NM Samson Natural Gas Company SNG Production Company 12/16/1993 WY Amended Decision 01/14/1994 WY 01/10/2012 NM Samson Redbud, LLC Samson Lone Star, LLC 03/28/2012 WY Samuel Gary Oil Producer Inc Gary-Williams Oil Producer Inc 03/15/1984 WY Amended Decision 04/18/1984 WY Amended Decision 05/17/1984 WY

San Juan Resources of Colorado, Inc. San Juan Resources, Inc. New Mexico Decision (Oil & Gas Leases Only) 03/18/2008 CO Wyoming Cover Memorandum (Oil & Gas Leases Only) Pending WY Sanderfer Energy Inc AE Investments, Inc 05/15/1986 WY Sanders Petroleum Corporation McKay Petroleum Corporation 12/30/2005 NM Santa Fe-Andover Oil Company Santa Fe Minerals Inc 05/02/1995 WY

117

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Santa Fe Energy Company Santa Fe Energy Resources Inc 05/04/1995 WY (Amended) 11/21/1991 WY Santa Fe Energy Company Santa Fe Natural Resources Inc 11/21/1991 WY Santa Fe Mineral Company US Santa Fe Minerals Inc 12/29/1978 MT 01/30/1979 WY Amended Decision 05/02/1995 WY Santa Fe Natural Resources Inc Santa Fe Energy Resources Inc 11/21/1991 WY (Amended) 05/04/1995 WY Santa Fe Energy Operating Partners LP Santa Fe Energy Res Inc 02/16/1995 UT Santa Fe Energy Res Santa Fe Snyder Corp 06/23/1999 WY Santa Fe Snyder Corp Devon SFS Operating Inc 11/18/2000 UT Santo Legado Limited Liability Limited Santo Legado LLC 02/06/2017 NM Partnership 02/15/2017 WY Sap Acquisition Corp SAP Acquisition LLC 04/23/2003 NM New Mexico Bond Decision 05/14/2003 WY Wyoming Cover Memorandum 08/22/2008 WY Amended Wyoming Cover Memorandum Sap Acquisition, L.L.C. Chesapeake Exploration Limited Partnership 08/22/2008 WY Sapient Energy Corp SAP Acquisition Corp 08/28/2002 NM Sapphire American Petroleums Inc Re-Bar National Inc 09/09/1963 WY Sawyer, Joseph Addison Sawyer, Richard Davies 10/03/2001 WY Saxon Oil Company Hallwood Energy Corp 05/23/1990 WY

118

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Scana Exploration Company Scana Petro Res Inc 04/18/1994 WY Scepter Resources Inc High Plains Oil Corp 05/09/1986 WY Scholten, Jessie F. Estate of Jessie F. Scholten, James K. Scholten, Dewey E. 11/01/2004 WY Scholten and Gerald R. Scholten, successors-in-interest Schultz Frank N, Estate of Henrietta E Schultz 09/12/1995 WY Seadade Industries, Inc. National Bulk Carriers, Inc. 05/19/1972 WY Seagull Energy Corporation Ocean Energy Inc 03/30/1999 NM Seagull Energy E&P Inc Ocean Energy Inc 02/13/2003 NM Seagull Midcon Inc Seagull Energy E&P, Inc 02/13/2003 NM (Amended Decision) 11/10/1998 NM Seagull Mid-South Inc Seagull Energy E&P, Inc 02/13/2003 NM (Amended Decision) 11/10/1998 NM Sears, Bill Gene Estate of Bill Gene Sears, Jean Sears Harshbetger, Personal 09/17/2004 WY Representative SeaWest Windpower, Inc. AES SeaWest, Inc. Withdrawn WY (Rights-of-Way Grants Only) Referred to Kemmerer Field Office SEBEP LLC Oxley Energy LLC 08/09/2019 NM WY Seeley, Claudette Joan Sheldon Murphy, 07/26/2004 WY Personal Representative Sego Resources Corp Falcon Creek Res Inc 09/02/1999 WY (Certificate Only)

119

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Sempra Oil & Gas Inc Sempra Energy Production Company 10/25/2000 WY (Amended Decision) 02/13/2002 WY Sensor Oil & Gas LeNorman Energy Corp 10/15/2004 ES Serenity Petroleum Inc Tom Brown Inc. (NM Notice) 09/18/2003 NM (Wyoming Cover Memorandum) 09/18/2003

Matador Petroleum Corporation 06/06/2011 WY (Amended Wyoming Cover Memorandum) SF Phosphates Ltd Simplot Phosphates Ltd Company 12/03/2004 WY SFC, Inc. Stelaron, Inc. 04/11/2002 NM 03/28/2012 WY SFER Properties-A Inc Santa Fe Energy Res Inc 04/10/1999 WY Shamrock Oil and Gas Corp Diamond Shamrock Corp 01/16/1968 UT 02/01/1968 WY Shell Rocky Mountain Production LLC SWEPI, LP 12/31/2008 WY 01/23/2008 UT Shenandoah Energy, Inc. QEP Uinta Basin, Inc. 03/27/2009 WY Shenandoah Energy Operating Company LLC Shenandoah Energy Inc 05/16/2003 ES* Sheppy, Richard J. (Dick) Estate of Richard J. Sheppy, Genevieve W. Sheppy, Personal 10/12/2004 WY Representative Sheridan Energy, Inc. Calpine Natural Gas Company 03/06/2006 WY Shearn Michael Saunders Michael Saunders Shern Estate 04/26/2016 WY Sid R. Bass, Inc. SRBI, L.P. 02/10/2006 NM

120

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Sierra Exploration Company Wichita River Oil Corp 05/13/1988 WY 10/13/1988 WY 11/04/1988 WY Sierra Pacific, LLC JMD Resources, Inc. 04/05/2017 UT

04/17/2017 WY Sigma Coatings Inc American Petrofina Company of Texas 06/02/1985 WY (Amended Decision) Signal O&G Company Burmah O&G Company 01/24/1975 WY Signature Resources Company Pedco 05/22/1990 WY Sikorski, Kenneth S., Sr. Estate of Kenneth S. Sikorski, Sr., Bernice Atkinson, Executor 06/21/2005 WY Silver Creek Resources, LLC Silver Creek Oil & Gas LLC 05/202013 NM 08/26/2013 WY Simba Ene Corp Des Acquisition LLC Pending TX Ike WY Sims, Frank C. Frank C. Sims Trust, Don Sims and Dana Sims as co-trustees 01/26/2007 WY Sinclair Oil Corp Atlantic Richfield Company 06/12/1969 WY Sinclair Oil & Gas Company Sinclair Oil Corporation 11/12/1968 WY Sinclair Pipe Line Company Arco Pipe Line Company 10/25/1972 WY Sioux Oil Company Intex Oil Company 01/12/2005 WY Skelly Oil Company Getty Oil Company 05/10/1977 WY 04/07/1977 WY 07/08/1977 ES* 07/06/1977 CO

121

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Amended Decision-Additional Lease 04/25/1980 WY Skinner’s Service Company Skinner’s Resources & Exploration, Inc. 07/10/1981 WY SKO Resources High Plains Oil Corp 05/19/1986 WY Skyline Oil Company Texas Eastern Skyline Oil Company 04/01/1985 WY SKZ Zilkha Energy Company 08/09/1988 WY Sleeping Giant L.L.C. Lyco Energy Company 01/04/2006 MT Smith, Lloyd H Irrevocable Trust of Lloyd H. Smith 01/24/2003 WY Smith, Lon V. Estate of Lon V. Smith, Marguerite B. Smith, Beneficiary 06/26/1984 WY SMR Property Management Company SMR Natural Gas Ventures Inc 06/25/1997 WY SNG Production Company Samson Hydrocarbons Company 12/12/2005 NM SNG Production Company Samson Hydrocarbons Company 06/10/1997 WY Snyder Oil Company Snyder Oil Corp 07/16/1990 WY Snyder Oil Corp Santa Fe Energy Res Inc 06/23/1999 WY 07/01/1999 UT Snyder Operating Company Snyder Oil Corp 07/16/1990 WY Snyder Operating Partnership Snyder Oil Corp 07/16/1990 WY Socony Mobil Oil Company, Inc. Mobil Oil Corporation 06/23/1966 WY SOCO Wattenberg Corporation Noble energy Production Inc. 07/18/2016 CO 08/04/2016 WY Sohio Natural Resources Company Sohio Alaska Petroleum Company 10/23/1981 WY Sohio Petroleum Company BP Exploration Inc 04/10/1989 WY

122

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Sohio Petroleum Company Sohio Natural Resources Company 10/25/1978 WY Sonat Exploration Company El Paso Production Company 11/15/2000 WY Sonora Acquisition Corp Austral Oil Company 01/10/2007 MT (Oil and Gas Leases Only) 01/23/2007 WY SourceGas Distribution, LLC Black Hills Gas Distribution, LLC 07/18/2016 WY SourceGas LLC Black Hills Gas LLC 08/31/2016 WY Sorenson Bonnie J (Jean) Estate of Bonnie Jean Sorenson 03/28/2012 WY South Union Properties, Inc. Southern Union Exploration Company 09/21/1982 WY Southern Bay Energy, LLC HK Energy, LLC 06/20/2017 NM Southern Bay Operating, LLC HK Energy Operating, LLC 06/20/2017 NM Southern Mineral Corp PetroCorp Inc 08/26/2003 WY Southern Union Exploration Company Southern Union Exploration of Texas 08/24/1981 NM Southern Union Properties, Inc. Southern Union Exploration Company 06/09/1981 WY 08/17/1981 Southland Royalty Company Meridian Oil Inc 05/20/1996 MT Southland Royalty Company Mobil Oil Corp 06/23/1966 WY Amended Decision-Additional Lease 09/27/1966 WY Southland Royalty Company Southland Royalty Corp 05/24/1978 NM Southtec Oil & Gas Company Southland Royalty Company 05/24/1978 NM Southwest Energy Production Company SWN Production Company, LLC 07/30/2015 ES 08/20/2015 WY Corrected memo 06/21/2017 WY

123

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Southwest Exploration & Acquisition Company Southwest Royalties Inc 06/29/2000 WY Southwest Gas Supply Inc MCNIC O&G, Properties Inc 12/31/1997 NM Spear, Howell Roberts Shane Spear, Personal Representative 09/20/2004 WY Spelman Prentice The Spelpren Company 07/21/1989 WY S.P.E.L.L. Inc Redfern Oil Company 09/18/2001 WY Spraberry Development Corp Midpar LP 12/27/1994 WY 05/06/2011 ES Spring Holding Company Redwine Holding, LLC 05/11/2011 WY 05/06/2011 ES Spring Resources, Inc. Spring Holding Company 05/11/2011 WY SRBEXCO Inc. Long Petroleum Corp 01/01/1983 WY SRC Energy Inc PDC Energy Inc 03/10/2020 CO St. Mary Operating Company St. Mary Land & Exploration Company 10/21/2005 MT ST Mary-PEI Joint Venture ST Mary-RJD Joint Venture 09/13/1982 WY Amended Decision-Additional Leases WY 01/27/1986 Stanolind Oil and Gas Company Pan American PetroCorp 03/25/1957 Washington Office of Director States Exploration, Inc. State Exploration Company 02/05/1986 WY Amended Decision-Additional Leases 05/09/1986 WY States Inc States Ltd. 08/05/2003 NM 08/15/2003 WY

124

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

08/09/2011 NM Statoil Properties I, LLC Statoil Texas Onshore Properties, LLC 08/23/2011 WY Stephens Energy Company, LLC Stephens Production Company 07/27/2012 WY Continental Properties LLC Stephens Production Company d/b/a/Stephens Production Company 07/27/2012 WY Continental Properties LLC (Not Approved) Sterling Energy Corporation Basin Sterling, Inc. 04/19/1995 WY Stiles, William E Stiles, William E Jr. & Traci L Offut 08/18/2000 WY 07/15/2010 MT St Mary Land & Exploration Company SM Energy Company 07/30/2010 WY St Mary Parish Land Company St Mary Land & Exploration Company 12/31/1993 WY 01/13/2012 NM SFC, Inc. Stelaron, Inc. 03/28/2012 WY Sterling Energy Corp Basin Exploration Inc 04/19/1995 NM, WY Sterling Energy Corp Basin Sterling Inc 04/19/1995 WY Stewart, JM Stewart Living Trust dated 04/25/1985 01/19/2017 WY Stirton, David L. Est. of David L. Stirton 03/18/2015 WY Stolz & Company Stolz, Wagner & Brown 01/17/1970 WY Stolz, Wagner & Brown Wagner & Brown II 03/07/1986 WY Stone Energy L.L.C. Stone Energy Corporation 10/21/2005 WY Stonehenge Oil Company Corporate dissolution transferring assets to Charles Taubman 02/02/1977 WY as sole stockholder

125

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Storey, Jewel H. WB Osborn Jr. Trust 12/23/2005 WY Charlotte Osborn Barrett Trust Betty Osborn Biedenharn Trust Strang, John P. (Perry) Estate of John P. (Perry) Strang, Robert Nardone & Beatrice 09/28/2012 WY C. Treat Co-Executors of the Estate Street Charles W Street, Billie M (no Leases) 01/22/1996 WY Struck, Ervin T. Estate of Ervin T. Struck 03/27/2006 WY Suburban Propane Exploration Company SPG Energy Exploration Corp 05/29/1984 WY Sumatra Energy Company, Inc Sierra Operating Company 06/02/1986 WY Sun Calvert Company Sun Oil Company ( Delaware) 02/02/1977 WY Sun Exploration & Prod Company ORYX Energy Company 07/08/1989 WY Sun Oil Company (Delaware) Sun Exploration & Production Co 02/10/1982 WY Amended Decision-Additional Lease 03/04/1983 WY Sun Operating Ltd Partnership Kerr-McGee O&G Onshore LP 09/20/2004 WY

Sundance Energy, Inc. (Montana Notice-Oil & Gas Leases Only) 06/04/2008 MT Wyoming Cover Memorandum Sundance Energy Indiana, Inc. (Oil & Gas Leases Only) 06/18/2008 WY Sundance Square Inc Bass Brothers Enterprises Inc 03/01/1983 WY Sundown Energy, Inc. Sundown Energy LP 03/15/2005 WY Sunray DX Oil Co of Tulsa, Oklahoma Sun Oil Company, a New Jersey Corporation 11/20/1968 WY Amended Decision-Additional Leases 01/21/1969 WY

126

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Sunray Oil Corp Sunray Mid-Continent Oil Company 10/14/1955 WO Superior Oil Company Mobil Exploration Producing 08/22/1986 WY North America Superior Oil Company, The Mobil Exploration Producing 08/22/1986 WY North America Supnev Inc The Superior Oil Company 05/08/1965 WO Supply Development Group Inc MCNIC Oil & Gas Properties, Inc 12/31/1977 WY Surge Energy USA, Inc. Corinthian Exploration (USA) Corp 07/30/2013 MT 08/27/2013 WY Sweet Pea Oil and Gas Inc Provident Resources Inc 12/23/1976 WY SWEVCO-SABW LLC Utah Gas OP Ltd 09/14/2017 CO Swift Energy Company Swift Energy Operating LLC 03/03/2006 WY Swift Energy Operating LLC SilverBow Resources Operating LLC 09/17/2018 WY SWN Production (Arkansas) LLC Flywheel Energy Production LLC 11/13/2019 ES WY Synergy Resources Corporation SRC Energy Inc. 07/26/2017 CO Systems Petroleum, Inc. Transworld Systems Petroleum, Inc. 04/22/2014 WY

T T C P Gathering, Company EnCana Oil & Gas (USA) Inc 03/15/2005 CO Taconic Corp Beacon Exploration Company 06/07/1984 WY Taiga Energy Inc. Coseka Resources (U.S.A.) Ltd 08/17/2004 WY Original Decision 10/04/1978 NM

127

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Talisman Properties I, LLC Statoil Properties I, LLC 07/29/2011 NM 08/23/2011 WY 07/29/2011 NM Talisman Properties I, LLC Talisman Properties USA, Inc. 08/23/2011 WY Talisman Energy USA, Inc. Repsol Oil and Gas USA, LLC 04/06/2017 ES 04/07/2017 WY 07/29/2011 NM Statoil STBU, LLC I, LLC Talisman Properties I, LLC 08/23/2011 WY Tanner Dean H, Estate of Wilma S. Tanner 07/26/2003 WY TAQA North USA Inc (Dissolution) 03/10/2020 MT Taurus Exploration USA Inc Energen Resources Corp 06/07/2001 WY Taylor, William J. William J. Taylor Revocable Trust 05/03/2001 WY Taurus Oil Corp Taurus Petroleum, Inc. 06/02/1986 WY TBI Exploration Inc Tom Brown Inc 02/19/1999 WY 03/24/1999 WY TBI Acquisitions Inc TBI Production Company 05/10/1996 WY TBI Pipeline Company EnCana Oil & Gas ( USA), Inc. 03/30/2005 CO 04/22/2005 WY TBI Production Company Tom Brown Inc 03/24/1999 ES* TBI West Virginia, Inc. EnCana Oil & Gas ( USA), Inc. 03/30/2005 CO 04/22/2005 WY TCPL Resources U.S.A. Ltd Wessely Energy Company 10/10/1986 WY TDT Diverse LP FNRC TDT LP 05/20/2009 WY

128

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

TEAI VII-A Ltd Partnership Program Acquisition Company 05/21/2001 WY TEAI VII-B Ltd Partnership Program Acquisition Company 05/21/2001 WY TEAI VII-C Ltd Partnership Program Acquisition Company 05/21/2001 WY TEAI VII-D Ltd Partnership Program Acquisition Company 05/21/2001 WY TEAI VIII-C Ltd Partnership Program Acquisition Company 05/21/2001 WY TEAI VIII-D Ltd Partnership Program Acquisition Company 05/21/2001 WY TEAI VIII-M Ltd Partnership Program Acquisition Company 05/21/2001 WY Teal Petroleum Company Grace Petroleum Corp 11/07/1978 WY Amended Decision-Additional Lease 02/23/1979 WY Amended Decision-Additional Lease 05/08/1979 WY Amended Decision-Additional Lease 09/17/1982 WY Telephone Utilities of Wyoming Inc CenturyTel of Wyoming Inc 03/05/2004 WY Tel Vez Energy, Inc. Lingen Oil & Gas, Inc. 03/22/1984 WY Tema Oil and Gas LLC Tema Consolidation Co. 09/04/2012 NM 10/30/2012 WY Tema Consolidation Co. Tema Oil & Gas LLC 09/04/2012 NM 10/30/2012 WY Termo Company of Texas, The The Termo Company 05/05/2005 WY Terra Resources, Inc. CRA Oil Exploration Company 02/18/1981 WY Terra Resources Inc Pacific Enterprises Oil Company (USA) 12/26/2002 WY Amended Decision 05/31/1989 WY Tesla-Conquest, Inc. Tesla Exploration, Inc. 11/17/2011 MT 07/12/2012 WY

129

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Tesoro Petroleum Corporation Intex Oil Company 01/12/2005 WY Teton Big Horn LLC Caerus Big Horn LLC 05/18/2010 WY Teton Energy Corporation Teton Energy LLC 05/18/2010 WY Teton Energy LLC Caerus Operating LLC 05/18/2010 WY Tex/Con O&G Company PG&E; Resources Company 02/26/1992 WY Texaco California Inc Chevron USA Inc 07/10/2003 CA Texaco-Cities Service Pipeline Company Texaco Pipeline Inc 12/27/2002 WY Texaco Exploration and Production Inc. Chevron U.S.A. Holdings Inc. 11/07/2006 CO (Oil and Gas Leases Only) 12/11/2006 WY Chevron U.S.A. Holdings Inc. (Rights-of-Way Grants Only) Pending WY Texaco Inc Texaco Producing Inc 07/11/1994 WY Texaco Pipeline Inc Equilon Pipeline Company LLC 12/27/2002 WY Texaco Producing Inc Texaco Exploration & Prod Inc 03/27/1991 WY Decision Amended 07/11/1999 WY Texakoma Oil & Gas Corp Pogo Producing (San Juan) Company 07/06/2005 NM Texasgulf, Inc. ( Texas) Texasgulf, Inc. ( Delaware) Right of Way 01/25/1983 WY Amended Decision-Sodium Lease 02/16/1983 WY Texasgulf Sulphur Company Texasgulf, Inc. ( Delaware) Sodium Lease 02/16/1983 WY Texas Crude, In. Westerly Exploration, Inc. 03/15/2005 NM Texas Gas Exploration Corp CSX Oil & Gas Corp 11/24/1986 WY Amended Decision 03/13/1987 WY

130

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Texas Oil & Gas Corporation USX Corporation 09/20/2005 WY Texas Oils Inc Texaco Producing Inc 07/01/1987 WY Texas Gas Exploration Corp CSX Oil & Gas Corp 11/24/1986 WY Texas Gas Exploration Corp CSX O&G Gas Corp (Amended) 03/13/1987 WY TGX Corp Sheridan Energy Inc NM Amended Decision 08/15/2003 NM 08/26/2003 The Gary Williams Co Gary Community Investment Company 07/14/2016 WY Thermal Exploration Inc Washington Ene Exploration Inc 04/01/1991 WY The Overland Trail Land & Cattle Company LLC The Overland Trail Cattle Company LLC 01/12/2005 WY The Texas Pipeline Company Texaco Pipeline Inc 12/27/2002 WY Thompson, Berthella (Jarvis) Estate of Berthella (Jarvis) Thompson, 03/27/2006 WY Ralph J Thompson, Sr., Beneficiary Thompson, Phil Phil Thompson Estate & Trust, Luther Thompson Executor 12/27/2004 WY Thompson, Ralph J. Sr. Ralph J. Thompson Sr. Trust Agreement 03/27/2006 WY Thru Line, Inc. Thru Line L.P. 01/24/2006 NM Tide Oil Company Tide West Oil Company 11/19/1984 WY Tidemark Exploration Inc Stonehaven Res Inc 08/21/2000 NM 10/13/2000 WY 10/09/1967 WY 10/18/1967 UT Tidewater Oil Company Getty Oil Company 10/18/1967 ES

131

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

TideWest Oil Company HSRTW, Inc. 09/30/1997 NM Georgetown Exploration Inc 07/14/1992 WY Tierra Petroleum Corp Amended Decision 07/14/1992 WY 10/24/2008 MT Tika Energy, Inc. Upton Resources U.S.A., Inc. 11/04/2008 WY Tipperary Petroleum Company Tipperary O&G Corp 09/17/1997 WY TOC ROCKY Mountains Inc. BP America Production Company 08/08/2018 WY Todd, Mary Anne Todd Estate (Raymond L Todd, Harry L Todd, Ann T Barfield 09/04/2019 NM and Tommy T Todd) WY Toledo Mining Company Toledo Technology, Inc. 10/21/1988 WY The Toles Company The Toles Company LLC 07/19/2018 NM WY Thru Line OG NM LLC XTO Delaware Basin LLC 12/02/2019 NM

03/30/2005 CO Tom Brown, Inc EnCana Oil & Gas (USA), Inc. 04/22/2005 WY Tom Brown, Inc Encana Oil & Gas Inc 09/27/2004 ES Decision Vacated 12/22/2004 ES 06/02/2003 MT Total Fina Elf E&P USA Inc Total E&P USA Inc 06/09/2003 WY Total Minatome Corp Energen Res MAQ Inc 02/26/1999 WY Tower Columbia Corporation American Oil & Gas, Inc. 02/17/2006 WY Towner Petroleum SKZ, Inc. 08/09/1988 WY

132

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Mobil-Transocean Company 08/06/1981 WY Amended Decision-Additional Lease 09/11/1981 WY Trans Ocean Oil Inc Amended Decision-Additional Lease 01/29/1982 WY Trenchard, John & Mary Mary Stranahan 02/14/2003 WY Trend Exploration Company Trend Exploration I, LLC 06/22/1999 WY Adobe Resources Corp 05/04/1995 WY Trend Exploration LTD (Amended Decision) 08/19/1986 WY Trend Resources LTD Trend Exploration LTD 05/04/1995 WY Trexco Resources Inc Balcron Oil Company 06/24/1987 WY Tri-Ex Corp Tri-Ex Development Company 12/10/1981 WY Tri-Power Petroleum Inc Plains Petroleum Operating Company 06/26/1987 WY Columbia Natural Resources, LLC 02/16/2006 ES 08/17/2009 WY Triana Energy Leases, Incorporated Wyoming Amended Cover Memorandum 06/07/2010 WY Triangle USA Petroleum Corporation Nine Point Energy, LLC 08/15/2017 MT Tricentrol United States, Inc. Norfolk Energy, Inc. 05/05/1987 WY Trigg Family Trust Trigg Oil & Gas LP 05/10/2004 NM Triple P Oil Field Services LLC JMC Oil Field Services, LLC 07/28/2010 NM 04/06/2015 WY Trove Energy LLC Trove Energy & Water LLC 08/09/2019 NM

133

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

True Oil Company Withdrawn WY (Oil & Gas Leases Only) True Oil Company True Oil Company Withdrawn WY (Rights-of Way Grants Only)

TRZ Energy, LLC Hess Bakken Investments II, LLC 04/09/2013 MT

08/27/2013 WY 06/05/1980 CO Tucker & Snyder Exploration Company Snyder Oil Company 08/21/1980 WY 10/21/2010 MT TXCO Resources, Inc. Reorganized TXCO, Inc. 11/01/2010 WY Marathon Oil Company 03/13/1991 WY TXO Production Corp (Addendum to Name Change) 03/22/1991 WY EXO Resources, Inc. TXOK Energy Resources Company (New Mexico Notice (Oil & Gas Leases Only) 02/27/2008 NM Wyoming Cover memorandum (Oil & Gas Leases Only) 03/13/2008 WY Tymco Oil Company El Norte Resources Inc 07/23/2001 WY

U Uintah Basin Oil Shale Arjay Oil Company 01/01/1976 WY UKP Land Inc Presidio Exploration Inc 05/15/1991 WY UKP Oil Inc Presidio Exploration Inc 05/15/1991 WY Ultra Petro (USA) Inc Ultra Resources Inc 10/22/1998 WY

134

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Ultra Wyoming, Inc. Ultra Wyoming, LLC 08/09/2017 WY Ultramar O&G Ltd Williams-Cody Inc 07/07/1997 WY Ocean Energy Inc 06/12/1998 NM 07/14/1999 WY UMC Petro Corp (Amended Decision) 02/12/2003 NM UMC Petro Res Corp UMC Petro Corp 08/23/1990 WY Underwood, Rip C. Estate of Rip C. Underwood, First National Bank of Amarillo, 06/29/1977 TX TX and Hugh Russell, co-executors. Union Pacific Oil & Gas Company RME Oil & Gas Company 04/25/2001 WY Union Pacific Res Company RME Petroleum Company 04/25/2001 WY Union Petroleum Corp Home Petroleum Corp 05/23/1974 WY Union Texas Exploration Corporation Union Texas Petroleum Corporation 07/05/1991 WY Union Texas Petroleum Corporation Union Texas International Corporation 04/04/1986 WY Union Texas Properties Corporation Union Texas Petroleum Corporation 04/04/1986 WY Unit Acquisition Company PetroCorp Inc 08/17/2004 MT United Bank of Denver Wells Fargo Bank of San Francisco 11/25/2005 WY 10/08/1985 WY 10/21/1985 WY United Natural Resource Corp Markland Corporation, A Texas corporation 11/20/1985 WY United Services Life Insurance Company ReliaStar United Services Life Insurance Company 12/29/2004 NM United States Smelting, Refining and Mining UV Industries, Inc. 10/06/13/2008/1972 WY Company

135

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

United States Steel LLC United States Steel Corporation 09/20/2005 WY Universal Resources Questar Exploration & Prod Company 12/03/1999 ES* Universal Fuels Company 02/29/1980 CO 11/28/1980 WY Amended Decision-Additional O& G Leases Amended 07/09/1982 WY Universal Uranium Company Decision-Additional Leases 10/14/1983 WY US Min & Royalty Corp Habersham Energy Company 04/19/1990 WY United States Borax & Chemical Corp US Borax Inc 06/28/1996 WY 10/25/2010 NM Upland Resources, Inc. Granite Operating Company 11/01/2010 WY US West QWEST 01/22/2001 WY US West New Vector Group Inc Cellco Partnership dba Verizon Wireless 02/24/2004 WY US West New Vector Group Inc Airtouch Communications Inc 02/24/2004 WY USX Corporation United States Steel LLC 09/20/2005 WY Utah-Wyoming Telephone Co Utah-Wyoming Telecom 08/15/2004 WY Utah-Wyoming Telecom All-West Communications 08/15/2004 WY Company Dissolved, 09/16/1982 WY UV Industries, Inc. Assets acquired by Sharon Steel Corporation

V Valero Producing Company Wacker Oil Company 07/18/1988 WY Estate of Walter Van Norman Sr., Walter Van Norman, Jr. Linn Van Noman and Karen Van Norman Renner

136

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Van Norman, Walter, Sr. Successors-in-interest 05/09/2001 WY Vanderbilt Energy Corp Adobe Resources Corp 08/19/1986 WY Vanderbilt Resources Corp Vanderbilt Energy Corp 08/19/1986 WY Vantage Point Energy Inc Convest Energy Corp 03/21/1995 WY Vantage Point Operating Company Convest Energy Corp 03/21/1995 WY Vastar Resources Inc BP American Production Company 01/16/2002 WY 03/16/2011 ES Vaughn DE, LLC EXCO Operating Company, LP 04/01/2011 WY Vaughn Holding Company, L.L.C. 03/16/2011 ES EXCO Operating Company, LP 04/01/2011 WY Ventura Oil Company Ventura Resources Inc 09/25/1972 WY Amended Decision 10/20/1972 WY Ventura Resources Inc Gayno Inc 10/03/1974 WY Verbrugge, Maurice A. (Mose) B& E Trust, Mary Louise Tuttle trustee, Evelyn Ann Baldwin 09/13/2004 WY and Mary Louise Tuttle successors–in-interest Veritas DGC Land, Inc. CGGVeritas Land (U.S.) Inc. Colorado Decision (Oil & Gas leases Only) 03/25/2008 CO Wyoming Cover Memorandum (Oil & Gas Leases Only) Pending WY Verizon Wireless (VAW) LLC Cellco Partnership dba Verizon Wireless 02/24/2004 WY Vickers Energy Mobil Transocean Company 08/06/1981 NM 09/11/1981 WY Amended Decision-Additional Lease 11/29/1982 WY

137

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Victoria Exploration Inc. Kestrel Energy Inc. 03/19/2018 WY NM 11/26/2013 Victory Park Resources (NM), LLC VPR (NM), LLC Pending WY Viking Exploration Inc Viking Exploration Corp 05/03/2010 WY Virginia Cook Larson Virginia Cook Larson Irrevocable Trust 05/14/2015 WY Vista Resources Partners LP Prize Energy Resources LP 04/18/2003 NM Amended Decision 02/17/2006 WY Vista Resources Partners LP Prize Energy Resources LP 04/18/2003 NM Vodafone Group PLC Airtouch Communications Inc 02/24/2004 WY Vodafone Airtouch Licenses LLC Verizon Wireless (VAW) LLC 02/24/2004 WY Voyager Petroleum, Inc. LB Petroleum, Inc 08/22/1984 WY VP Oil Inc National Energy Group Inc 10/25/1991 WY Vukasin, John S. ,Sr. Estate of John S. Vukasin, Sr., Mary E. Vukasin successor-in- 05/12/1997 WY interest

10/01/2010 NV

Vulcan Power Company Gradient Resources Inc 10/06/2010 WY

W Wainoco, Incorporated Wainoco Oil & Gas Company 07/26/1977 CO I 03/01/1977 WY

138

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Amended Decision-Additional Lease 03/12/1979 WY

08/20/2014 NM Walter Duncan Oil, LP Walter Duncan Oil, LLC 09/08/2014 WY Wapiti Utah LLC Wapiti Rocky Mountain LLC 10/24/2019 UT Ware, Herbert (Herb) E Jr. Estate of Herbert E Ware Jr., Herbert E. Ware III & Brett 04/18/2007 UT Smith co-executors of the estate Warren Energy Dynergy, Inc 04/29/2003 WY Warren Energy Res LP Dynergy Energy Res LP 07/21/1989 WY (Amended Decision) 04/24/2003 WY Wascana Pipeline Inc Texaco Pipeline Inc 12/27/2002 WY Washington Energy Exploration Inc Cabot O&G Prod Corp 10/12/1994 WY Washington Energy Oil Inc Washington Energy Exploration Inc 10/12/1994 WY Washington Energy Res LP COG Acquisition Company 10/12/1994 WY Watson Betty June Betty J. Watson Estate 02/09/2017 WY Watson Jack Jr. Jack Watson Jr. Estate 02/09/2017 WY WBI Production Inc Fidelity Exploration & Prod Company 05/31/2001 CO W.B. Osborn Jr. Trust Diana T. Morehouse, R. Foard Townsend III & W.B. Osborn 12/23/2005 WY III, beneficiaries of the now dissolved W. B. Osborn, Jr. Trust

W. D. Anderson & Sons The Heirs of Ava A., Warren D. Paul D., Payton V., & Evelyn 10/24/2014 WY Anderson: Karen Sue Anderson, Kenneth D. Anderson, Janet

139

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Anderson Carrell Loeffler, Gary Anderson Fell & Nancy Anderson Phariss Olson as successors-in-interest. Weaver, Myron D. Myron E. & Joan D. Weaver Revocable Family Trust 07/28/2014 WY Weaver, Wayne Kerley Estate of Kerley Wayne Weaver, 11/01/2002 WY Alice Weaver, sole beneficiary Weber Oil Company Equity Oil Company 01/21/1958 CO Wedco Resources Corp Oxford Consolidated Inc 10/18/1993 WY Weed Oil & Gas Company Weed Oil & Gas Company, L.C. 02/04/2009 WY Wellfleet Drilling, LLC CDX Gas, LLC 07/27/2006 WY Wells, Donnell O Donnell O Wells Estate 05/15/2018 WY Wells Fargo Bank of San Francisco Wells Fargo Bank of South Dakota 11/25/2005 WY Wesco Pipeline Company Texaco Pipeline Inc 12/27/2002 WY

Westburne Exploration Inc DKM Resources Inc 08/15/1990 WY 03/11/2010 MT 03/18/2010 WY Westech Energy Corporation Energy Corporation of America Western Associated Development Corp Beacon Holding Company 06/07/1984 WY Western Gas Processors LP Western Gas Resources Inc 05/24/2002 WY Western Interior Resources Western Interior Corporation 12/11/1992 WY Western Natural Gas Capital Associates, Inc. Western Natural Gas Capital Associates, LLC 03/15/2011 WY

140

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Western Production Company Black Hills Exploration & Prod 03/03/1999 WY Western Oil Corp KN Production Company 10/10/1991 WY West Gas II Inc Energy Equity Company 03/24/2003 MT

West Roundup Resources, Inc West Roundup Resources, LLC 06/07/2017 WY

West Roundup Resources, LLC BTU Western Resources, Inc. 05/12/2017 WY

Westland Exploration Company Kaiser-Francis Oil Company 01/29/2003 NM

Westminster Petroleum Inc Oxy Lost Hills Inc 08/28/2002 CA

Westport Oil & Gas Company Inc Westport Oil & Gas Company LP 02/25/2002 CO Westport Acquisition LLC Westport Oil & Gas Company Inc 01/31/1997 WY Amended Decision 05/25/2005 WY Westport Oil & Gas Company, LP Kerr-McGee Oil & Gas Onshore LP 06/22/2006 CO (Oil and Gas Leases Only ) Kerr-McGee Oil & Gas Onshore LP 04/03/2006 WY (Wyoming Rights-of-Way Grants Only)

WGR Inc Western Gas Res Inc 02/22/1993 WY WG Operating, Inc. Halcon Operating Company, Inc. 08/29/2012 WY 09/28/2012 WY Amended Decision

141

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Wichita Securities Corp Wichita River Oil Corp 05/13/1988 WY Amended Decision-Additional Leases 10/13/1988 WY Amended Decision-Additional Leases 11/04/1988 WY William Shaw William Shaw Estate 08/20/2015 WY Williard C. Poole III Nathaniel K. Poole 08/20/2015 WY White Eagle Oil Company Helmerich & Payne Inc 06/14/1962 WY Whiting Petroleum Corp Whiting Oil & Gas Corp 12/19/2003 NM 02/25/2004 WY Whitney George W George W Whitney Trust 01/12/1993 WY Wicklund, Edward A Edward A Wicklund Trust, Joyce J Wicklund & Reid Lindquist, 10/18/2001 WY co-trustees Wilbanks Exploration, Inc Wilbanks Reserve Corp 02/25/2004 WY WildHorse Energy Partners LLC EnCana Oil & Gas (USA) Inc 03/22/2005 CO 04/22/2005 WY Wildmere Resources Inc Tika Energy Inc 09/10/2004 WY Willard Pease O&G Company Pease Oil & Gas Company 03/23/1994 WY Williams-Cody Inc Cody Energy Inc 07/07/1997 WY Williams Gas Pipelines Central Southern Star Central Pending WY (rights-of-way only) William C. Helis Company, L.L.C., The Helis Oil & Gas Company, L.L.C. 01/13/204 MT 05/19 2008 WY Williams Natural Gas Inc. Southern Star Central Pending WY (rights-of-way only)

142

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Williams Gas Processing Company & Williams Gas Williams Field Services Company 01/27/2005 WY Processing-Wamsutter Williams Natural Gas Williams Gas Pipelines Central Pending WY (rights-of-way only) Williams Production Company Williams Production Company LLC 05/17/2001 UT Williams Production Company LLC WPX Energy San Juan LLC 03/27/2012 NM 04/12/2012 WY Williams Production Mid-Continent Company WPX Energy Mid-Continent Company 03/27/2012 NM 04/12/2012 WY 01/18/2011 NM Williams Production RMT Company Williams Production RMT Company LLC 02/04/2011 WY 03/27/2012 NM Williams Production RMT Company LLC WPX Energy Rocky Mountain LLC 04/12/2012 WY

Williams Production Rocky Mountain Company WPX Energy RM Company 03/27/2012 NM 04/12/2012 WY Williams Production Ryan Gulch LLC WPX Energy Ryan Gulch LLC 03/27/2012 NM 04/12/2012 WY Williams, R Ken Williams, R Ken Est 02/11/2015 WY Willingham, Robert W. Helen Kay Willingham, sole beneficiary of the Estate of Robert 12/26/2006 WY W. Willingham Williston Basin Interstate Pipeline WBI Energy Transmission, Inc. 08/02/2012 MT 08/22/2012 WY Williston Hunter, Inc. Bakken Hunter, LLC 09/22/2014 MT

143

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

09/25/2014 WY Willoco LLC Helm Energy LLC 07/18/2000 WY Forest Oil Corporation 01/26/2010 WY Wiser Oil Company, The Amended Notice 01/29/2010 WY Wilshire Oil Company Wilshire Enterprises, Inc 09/17/2004 WY Winchester Production Company, LTD EXCO Operating Company, LP 03/16/2011 ES 04/01/2011 WY Wintershall Corp BASF Corp 11/16/1989 WY Wintershall Oil & Gas Company Fin-Oil Inc 06/23/1980 WY (Amended Decision) 05/18/1984 WY Wintershall Oil & Gas Company Wintershall Corp 05/01/1987 WY Wintershall Petroleum Corp Wintershall Corp 05/01/1987 WY

WOC Acquisition Company Whiting Petro Corp 03/13/1997 WY Wold Oil Properties, LLC Wold Oil Properties, LLC 07/11/2014 WY Wolfe (Wolf), Helene B aka Helene Bernadine William Evert Andrau Trusts 1&2 02/24/2004 WY Andrau Wolfe, Estate of Helene B Hewett/Barbara A Powell Trusts 1&2 Siegler Family Trusts 1&2 03/22/2004 WY Correction in percentage Wolf, Melvin Melvin Wolf Estate 10/07/1999 WY Elaine Wolf, Personal Representative Amended Decision--53 Hyde Park LLC, successor-in-interest 10/26/1999 WY

144

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Wolverine Exploration Company Amerac Energy Corp 08/23/1995 WY Wolverine Exploration Company of Texas Wolverine Exploration Company of DE 07/10/1987 WY (Secretary of State Certificate only) Woods Drilling Partnership No. A-5 Woods Petroleum Corp 04/10/1991 WY Woods 1973 Drilling Program Woods Petroleum Corp 04/10/1991 WY Woods 1974 Drilling Program Woods Petroleum Corp 04/10/1991 WY Woods 1976-II Drilling Program Woods Petroleum Corp 04/10/1991 WY Woods 1977 Drilling Program Woods Petroleum Corp 04/10/1991 WY Woods 1980-II Drilling Program Woods Petroleum Corp 04/10/1991 WY Woods 1981-II Drilling Program Woods Petroleum Corp 04/10/1991 WY Woods 1983-IA Drilling Program Woods Petroleum Corp 04/10/1991 WY Woods 1984-IA Drilling Program Woods Petroleum Corp 04/10/1991 WY Woods 1984-IIA Drilling Program Woods Petroleum Corp 04/10/1991 WY Woods 1984-IIIA Drilling Program Woods Petroleum Corp 04/10/1991 WY Woods 1985-IA Balanced Drilling Program Woods Petroleum Corp 04/10/1991 WY Woods Petroleum Company Argent Energy Inc 03/13/1991 WY 03/22/1991 WY Royal Energy Resources, Inc. 07/18/2008 WY

World Marketing, Inc. Amended Notice (Added Effective Date) 07/18/2008 WY Worldwide Energy Corp Triton Oil & Gas Corp 04/09/1989 WY

145

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

Worldwide One , Inc. Worldwide Energy Corp 07/23/1984 WY Amended Decision-Additional Lease 02/25/1987 WY WPX Energy San Juan LLC WPX Energy Production LLC 03/27/2012 NM 04/12/2012 WY WPX Energy Ryan Gulch LLC. WPX Energy Rocky Mountain LLC 02/12/2018 CO 02/27/2018 WY WPX Energy Rocky Mountain LLC TEP Rocky Mountain LLC 07/19/2016 CO 08/04/2016 WY WR Company LR Company 04/23/1980 WY WRB Petroleum, Inc. South Pass Petroleum Inc. 10/19/2017 WY Wynn-Crosby 1994, LTD Wynn-Crosby 1997, LTD 01/04/2006 NM Wynn-Crosby 1995, LTD Wynn-Crosby 1997, LTD 01/04/2006 NM Wynn-Crosby 1996, LTD Wynn-Crosby 1997, LTD 01/04/2006 NM Wynn-Crosby 1997, LTD Petrohawk Properties, LP 01/04/2006 NM Wynn-Crosby 1998, LTD Wynn-Crosby 1997, LTD 01/04/2006 NM Wynn-Crosby 1999, LTD Wynn-Crosby 1997, LTD 01/04/2006 NM Wynn-Crosby 2000, LTD Wynn-Crosby 1997, LTD 01/04/2006 NM Wynn-Crosby 2002, LTD Wynn-Crosby 1997, LTD 01/04/2006 NM Wynn-Crosby Energy, Inc. Petrohawk Operating Company 01/04/2006 NM Wyoming Minerals LLC Wyoming Minerals Ltd 03/27/2006 WY Wysak Petroleum, Inc. Wild Brush Energy, Inc. 07/17/2006 WY

146

Corporate Name Change & Merger Index

Current As Of: March 12, 2020

Issuing Original or Previous Company Name Current Company Name Date of Memo State Office

XYZ Xeno Inc PanCanadian Energy Res Inc 01/30/2002 WY XRO ENE LLC CROWHEART ENE LLC 10/03/2018 WY Yates Drilling Company Oxy Y-1 Company 12/03/2010 WY Yates Exploration Company, Inc Petro Yates, Inc. 12/27/2004 NM Yates, Peggy A Yates, Peggy A. Estate Of 10/07/2008 WY Yates, Peggy A. Estate Of Trust Q 10/07/2008 WY Yates Petroleum Corporation EOG Y Resources, Inc. 12/01/2016 WY Young, John E. Estate of John E. Young 07/28/2014 WY ZGEN Inc Vantage Point Operating Company 08/23/1990 WY Zia Energy, Inc. RB Operating Company 10/21/2005 NM Zinke & Trumbo, Inc. Zenergy, Inc. 03/30/2006 WY (Oil & Gas Leases Only) Zenergy, Inc. 04/21/2006 WY (Rights of Way Grants Only)

147