Joseph H. Bryant has been our Chief Executive Officer and Chairman of our Board of Directors since our inception in November 2005. Mr. Bryant has 32 years of experience in the oil and gas industry. Prior to joining Cobalt, from September 2004 to September 2005, he was President and Chief Operating Officer of Unocal Corporation, an oil and gas exploration and production company. From May 2000 to August 2004, Mr. Bryant was President of BP Exploration (Angola) Limited, from January 1997 to May 2000, Mr. Bryant was President of BP Canada Energy Company (including serving as President of Amoco Canada Petroleum Co. between January 1997 and May 2000, prior to its merger with BP Canada), and from 1993 to 1996, Mr. Bryant served as President of a joint venture between Amoco Orient Petroleum Company and the China National Offshore Oil Corporation focused on developing the offshore Liuhua fields. Prior to 1993, Mr. Bryant held executive leadership positions in Amoco Production Company’s business units in The Netherlands and the Gulf of Mexico, serving in many executive capacities and in numerous engineering, financial and operational roles throughout the continental United States. Mr. Bryant currently also serves on the board of directors of the Berry Petroleum Company, an independent energy company. Mr. Bryant holds a Bachelor of Science in Mechanical Engineering from the University of Nebraska.

Peter R. Coneway has been a member of our Board of Directors since October 2009 and is a member of our Audit Committee and Nominating and Corporate Governance Committee. Mr. Coneway is a Managing Director of Riverstone LLC. Prior to joining Riverstone in March 2009, Mr. Coneway served as United States Ambassador to Switzerland and Liechtenstein from 2006 to 2008. Prior to his ambassadorship, he was a Managing Director at Goldman Sachs & Co, and Head of the Houston office, which he founded in 1975. Having started at Goldman Sachs & Co. in 1969, he was named a General Partner in 1978 and established Goldman Sachs’ Equities Sales, Trading and Research Division in Tokyo in 1987. Mr. Coneway holds a B.B.A. from the University of Texas and a Master in Business Administration from Stanford University.

Henry Cornell has been a member of our Board of Directors since our inception in November 2005. Mr. Cornell is a managing director of Goldman, Sachs & Co., the Chief Operating Officer of its Principal Investment Area and a member of its Merchant Banking Investment Committee. Mr. Cornell joined Goldman Sachs in 1984 and became a partner in 1994 and a managing director in 1998. Prior to joining Goldman Sachs, Mr. Cornell practiced law with Davis Polk & Wardwell from 1981 to 1984 in New York and London. Mr. Cornell serves on the Board of Directors of Kinder Morgan, Inc., US1 Holdings Corporation and McJunkin Red Man Corporation, The First Marblehead Corporation, Hony Capital 2008, L.P., Hony Capital III, L.P. and National Golf Properties. Mr. Cornell is Chairman of The Citizens Committee of New York City, Treasurer and Trustee of the Whitney Museum of American Art, Chairman of the Investment Committee and Trustee of Grinnell College, Trustee Emeritus of the Asia Society, Trustee and Chairman of the Investment Committee of the Japan Society, a member of Sotheby’s International Advisory Board, and a member of The Council on Foreign Relations. Mr. Cornell holds a B.A. from Grinnell College and a J.D. from New York Law School.

Jack E. Golden has been a member of our Board of Directors since January 2010 and is a member of our Compensation Committee. Mr. Golden had served as an advisor to the Board of Directors since March 2007. Mr. Golden is currently Managing Partner of Edgewater Energy Partners, a Texas-based consulting firm focused on the oil and gas industry, and is a Director of Atwood Oceanics, Inc., an international offshore drilling company. Mr. Golden joined Shell in 1977, later joining BP p.l.c. in 1982. Mr. Golden retired from BP at the beginning of 2006. Prior to his retirement from BP, he held numerous executive positions in North America including President of BP’s North American E&P business. For much of his last decade with BP he served as Group Vice President - Exploration and Production. During this period he was involved with the development and operation of BP’s business in North America, Europe, South America, West Africa and Russia. Mr. Golden holds a PhD in Physics.

Mr. Lancaster has been a member of our Board of Directors since May 2010. Mr. Lancaster is currently a Managing Director of Riverstone. Prior to joining Riverstone in 2000, Mr. Lancaster was a Director with The Beacon Group, LLC., a privately held firm specializing in principal investing and strategic advisory services in the energy and other industries. Prior to joining Beacon, Mr. Lancaster was a Vice President with Credit Suisse First Boston’s Natural Resources Group in Houston, Texas, where he was involved in transactions for companies in all segments of the energy industry, with an emphasis on oil services and oil and gas exploration and production. Mr. Lancaster currently serves as a Director of several private portfolio companies of Riverstone. Mr. Lancaster received his B.B.A. from the University of Texas at Austin and his M.B.A. from Harvard Business School.

Mr. Marshall has been a member of our Board of Directors since May 2010. Mr. Marshall served as President and Chief Operating Officer of Transocean Inc. from November 2007 until May 2008 and was a member of Transocean’s Board of Directors from November 2007 until December 2008. Mr. Marshall served as a Director and Chief Executive Officer of GlobalSantaFe Corporation from May 2003 until November 2007, when it merged with a subsidiary of Transocean, and served as the Executive Vice President and Chief Operating Officer of GlobalSantaFe from November 2001 until May 2003. From 1998 to November 2001, Mr. Marshall was employed with Global Marine Inc. where he held the same position. Mr. Marshall currently serves as a Director of Noble Corporation. Mr. Marshall received his B.S degree from the United States Military Academy.

Kenneth W. Moore has been a member of our Board of Directors since August 2007. Mr. Moore is a managing director of First Reserve Corporation, an energy industry investment company, which he joined in January 2004. Prior to joining First Reserve, Mr. Moore spent four years with Morgan Stanley in New York. Mr. Moore holds a Bachelor of Arts from Tufts University and a Master in Business Administration from the Johnson School of Management at Cornell University.

J. Hardy Murchison has been a member of our Board of Directors since August 2007 and is a member of our Compensation Committee and Nominating and Corporate Governance Committee. Mr. Murchison is a Managing Director of First Reserve Corporation, an energy industry investment company. Prior to joining First reserve, he was Vice President of Corporate Development at Range Resources Corporation, an independent oil and gas company. He began his career at Simmons & Company International, the premier investment banking firm specializing in the energy services market. Mr. Murchison holds a Bachelor of Arts from the University of Texas and a Master of Business Administration from Harvard Business School.

Kenneth A. Pontarelli has been a member of our Board of Directors since our inception in November 2005, is Chairman of our Nominating and Corporate Governance Committee and is a member of our Compensation Committee. Mr. Pontarelli is a Managing Director in the Merchant Banking Division of Goldman, Sachs & Co. Mr. Pontarelli joined Goldman, Sachs & Co. in 1992 and became a managing director in 2004 and a partner in 2006. He is a director of CCS, Inc., Energy Future Holdings Corp., CVR Energy, Inc. and Kinder Morgan, Inc. He holds a Bachelor of Arts from Syracuse University and a Masters in Business Administration from Harvard Business School.

Dr. Scoggins has been a member of our Board of Directors since March 2010 and is a member of our Audit Committee. In June 2006, Dr. Scoggins was appointed President of the Colorado School of Mines, an engineering and science research university with strong ties to the oil and gas industry. Dr. Scoggins retired in 2004 after a 34-year career with Mobil Corporation and Exxon Mobil Corporation, where he held senior executive positions in the upstream oil and gas business. From 1999 to 2004 he served as Executive Vice President of Exxon Mobil Production Company. Prior to the merger of Mobil and Exxon in late 1999, he was President, International Exploration & Production and Global Exploration, and an officer and member of the executive committee of Mobil Oil Corporation. He currently also serves as a director of Questar Corporation, Trico Marine Services, Inc., and Venoco, Inc. In addition, he is a director of the Colorado Oil and Gas Association and a member of the National Advisory Council of the United States Department of Energy’s National Renewable Energy Laboratory. Dr. Scoggins has a PhD in Petroleum Engineering from The University of Tulsa (1978).

D. Jeff van Steenbergen has been a member of our Board of Directors since our inception in November 2005 and is a member of our Audit Committee and Compensation Committee. Mr. van Steenbergen is a co-founding and General Partner of KERN Partners Ltd., an energy sector private equity firm based in Calgary. He has been with this firm since 2001 and serves on the boards of seven of KERN’s international and Canadian portfolio companies. Prior to that Mr. Steenbergen was a Managing Director and co-head of North American Oil and Gas with JP Morgan and Co., and before that was a Managing Director with a leading Canadian investment banking firm. He has been active in the North American and international energy sector for over 30 years and has a broad range of experience as a private equity investor, investment banker, and in operating and operations management roles with Mobil Corporation and with Schlumberger. Mr. van Steenbergen holds a Bachelor of Applied Science in Civil Engineering from Queen’s University and a Master of business Administration from Dalhousie University, and attended executive programs at Harvard Business School and INSEAD.

Martin H. Young, Jr. has been a member of our Board of Directors since October 2009 and is Chairman of our Audit Committee. Mr. Young has been the Senior Vice President and Chief Financial Officer of Falcon Seaboard Diversified, Inc. (Falcon) and its predecessor companies, Falcon Seaboard Holdings, L.P. and Falcon Seaboard Resources, Inc. since 1992. Falcon is a private energy company involved in natural gas exploration and production, real estate and private investments. In July 2007, Mr. Young retired as Chairman of the Board (a position he held for 11 years) and as a member of the Board of the Texas Mutual Insurance Company (a position he had held for 12 years), the largest provider of workers’ compensation insurance in the State of Texas. Prior to his employment with Falcon, Mr. Young had 13 years of banking experience, the last 10 working for a major California bank as the Vice President/Area Manager for the corporate banking group. Mr. Young currently also serves as Chairman of the Board of Directors of the Berry Petroleum Company, an independent energy company, a position he has held for five of the past ten years he has served on Berry Petroleum’s board. Mr. Young holds a bachelor of Business Administration from Duquesne University and a MBA from Southern Illinois University.