Mariner Energy Inc.

Mr. Josey has served as Chairman of the Board since August 2001. In October 2002, Mr. Josey was also appointed Chief Executive Officer and in February 2005 was appointed President. From 2000 to 2001, Mr. Josey served as Vice President of Enron North American Corp. and co-managed its Energy Capital Resources group. From 1995 to 2000, Mr. Josey was the managing partner of Sagestone Capital, which provided investment banking services to the oil and gas industry and portfolio management services. Prior to joining Sagestone Capital, Mr. Josey was a Director with Enron Capital & Trade Resources Corp. in its energy investment group from 1993 to 1995. From 1982 to 1993, Mr. Josey worked in all phases of drilling, production, pipeline, corporate planning and commercial activities at Texas Oil and Gas Corp. Mr. Josey is a member of the Society of Petroleum Engineers and the Independent Producers Association of America.

Mr. Polasek was appointed Chief Operating Officer in February 2005. From April 2004 to February 2005, Mr. Polasek served as Executive Vice President of Operations and Exploration. From October 2001 to April 2004, Mr. Polasek served as Senior Vice President of Operations. Prior to joining Mariner, Mr. Polasek served as: Vice President of Gulf Coast Engineering for Basin Exploration, Inc. from 1996 until February 2001; Vice President of Engineering for SMR Energy from 1994 to 1996; director of Gulf Coast Acquisitions and Engineering for General Atlantic Resources, Inc. from 1991 to 1994; and manager of planning and business development for Mark Producing Company from 1983 to 1991. He began his career in 1975 as a reservoir engineer for Amoco Production Company. Mr. Polasek is a Registered Professional Engineer in Texas and a member of the Independent Producers Association of America, the American Association of Drilling Engineers and the American Petroleum Institute. He holds a BS in Petroleum Engineering from the University of Texas.

Mr. Karnes is Mariner’s Senior Vice President, Chief Financial Officer and Treasurer. Previously, Mr. Karnes was the Senior Vice President and Chief Financial Officer of The Houston Exploration Company from November 2002 through December 2005. Prior to his service at Houston Exploration, in 2002 he was Vice President and General Counsel for Encore Acquisition Company, a NYSE-listed exploration and production company. He served as Executive Vice President and Chief Financial Officer at Cybercash, Inc., a NASDAQ-listed software and services provider, from 2000 to 2001. He has served in other management roles at publicly-traded companies during his career, including positions at Snyder Oil Corporation and Apache Corporation. He is an attorney and practiced at the national law firm of Kirkland & Ellis, from 1987 to 1991, focusing on securities matters and mergers and acquisitions.

Mr. van den Bold is Mariner's Senior Vice President and Chief Exploration Officer. He served as Vice President and Chief Exploration Officer from April 2004 to April 2006. From October 2001 to April 2004, he served as Vice President of Exploration. He joined Mariner in July 2000. From 1996 to 2000, he worked for British-Borneo. He began his career at British Petroleum in 1987. He is a Certified Petroleum Geologist, Texas Board Certified Geologist and member of the American Association of Petroleum Geologists. He received his BS and MS in Geology from Louisiana State University.

Mr. Loegering is Mariner’s Senior Vice President of Deepwater. He served as Vice President of Deepwater from August 2002 until September 2006. Mr. Loegering joined Mariner in July 1990 and has held various positions including Vice President of Petroleum Engineering and Director of Deepwater Development. Mr. Loegering was employed by Tenneco from 1982 to 1989, serving in various positions including as senior engineer in the economic, planning and analysis group in Tenneco's corporate offices. Mr. Loegering began his career with Conoco in 1977 and held positions in the construction, production and reservoir departments responsible for Gulf of Mexico production and development.

Jesus G. Melendrez has been promoted to Senior Vice President, Corporate Development. Mr. Melendrez had served as Vice President, Corporate Development, since joining Mariner in July 2003. He has 26 years of experience in the oil and gas industry, spanning corporate development, finance and engineering.

Ms. Bushman is Mariner's Senior Vice President, General Counsel and Secretary. She served as Vice President, General Counsel and Secretary of Mariner from the time she joined the company in June 2003 until April 2006. From 1996 until joining Mariner, Ms. Bushman was employed by Enron North America Corp., most recently as Assistant General Counsel representing the Energy Capital Resources group. Prior to her employment at Enron, Ms. Bushman was a partner with Jackson Walker, successor to Dotson, Babcock & Scofield, in Houston, where she began her legal career in 1985 representing clients in oil and gas and financing matters. She received her BS in Business Education, magna cum laude, and her J.D., cum laude, from the University of Houston.

Mr. Odom joined Mariner Energy in April 2009 as Vice President of Offshore Land and Business Development. Prior to joining Mariner he was Vice President at Santos USA and was a principal of Gryphon Exploration Company from initiation to sale of the company in 2005. He also founded and was president of C.H. Odom Company, a management consulting firm specializing in strategic development and energy investment. Other experience includes Vice President of Contracts and Sales for Sandefer Offshore Company, and Land Manager for Challenger Minerals, a subsidiary of Global Marine; Transco, and Crown Central Petroleum. Mr. Odom graduated from the University of Texas at Austin with a bachelora s degree in petroleum land management.

Mr. Moore was appointed Vice President of Onshore Land in March 2008. He began his career at Mariner in 2003, being named Business Development Manager-Onshore in 2004. He graduated from West Texas A&M University with a bachelor’s degree in political science and served in the United States Marine Corp.

Mr. McCullough was appointed Vice President of Acquisitions and Divestitures in March 2008. He joined Mariner in 2004 as a Senior Reservoir Engineer, and was promoted to Manager-Exploitation and Acquisitions in 2006 before taking on his current responsibilities. He graduated from Marietta College in Marietta, Ohio, with a bachelor’s degree in petroleum engineering.

Mr. Molohon was appointed Vice President of Reservoir Engineering in May 2006. He joined Mariner in January 1995 and has held various positions in reservoir engineering, economics, acquisitions and dispositions, exploration, development, planning and basin analysis. From 1991 to 1995, he worked as a Senior Acquisition Engineer for General Atlantic, Inc. performing reserve and economic evaluations and bid analyses. From 1980 to 1991, he was a Project Petroleum Engineer for various subsidiaries of Tenneco, Inc. He began his career with Amoco Production Company as a Production Engineer in 1977. Mr. Molohon is a Registered Professional Engineer and a member of the Society of Petroleum Engineers. He holds a BS in Petroleum Engineering, with honors, from the University of Texas.

Alan Crain was named Senior Vice President in 2007. Mr. Crain joined Baker Hughes as Vice President and General Counsel on November 8, 2000. Mr. Crain has broad experience as a corporate legal executive, having served as Executive Vice President, General Counsel and Secretary for Crown Cork & Seal Company, and as Vice President and General Counsel for Union Texas Petroleum. Mr. Crain has also held legal positions at Pennzoil and El Paso Energy. Mr. Crain received his J.D. and M.B.A. degrees from Syracuse University, in addition to M.S. and B.S. degrees in Management Engineering from Rensselaer Polytechnic Institute.

Bernard Aronson is a Founder and Managing Partner of ACON Investments. Prior to founding ACON, he was an International Advisor to Goldman Sachs for Latin America. From 1989 through 1993, Mr. Aronson served as Assistant Secretary of State for Inter-American Affairs under Presidents Bush and Clinton. Mr. Aronson holds a B.A. from the University of Chicago. He currently serves on the Boards of Directors of Mariner Energy, Liz Claiborne, Royal Caribbean International and Global Hyatt Corporation. Mr. Aronson is a member of the Council on Foreign Relations.