Board of Directors

Jeffrey L. Berenson
Director

Mr. Berenson is Chairman and Chief Executive Officer of Berenson and Company, a private investment banking firm in New York City that he co-founded in 1990. From 1978 until co-founding Berenson & Company, he was with Merrill Lynch’s Mergers and Acquisitions department, becoming head of that department in 1986 and then co-head of its Merchant Banking unit in 1988. Mr. Berenson was appointed to the Board of Directors of Patina Oil & Gas Corporation (“Patina”) in December 2002 and joined our Board upon completion of our merger with Patina on May 16, 2005. He is also a member of the Board of Directors of Epoch Holding Corporation.



Member Member of the Compensation, Benefits and Stock Option Committee
Member Member of the Corporate Governance and Nominating Committee

Michael A. Cawley
Director

Mr. Cawley has served as President and Manager of The Cawley Consulting Group, LLC since January 14, 2012. He previously served as President and Chief Executive Officer of The Samuel Roberts Noble Foundation, Inc. (“Foundation”) from February 1, 1992 until his retirement on January 14, 2012, after serving as Executive Vice President of the Foundation since January 1, 1991. Prior to 1991, Mr. Cawley was the President of Thompson, Cawley, Veazey & Burns, a professional corporation, attorneys at law. Mr. Cawley also served as a trustee of the Foundation from 1988 until his retirement and is a director of Noble Corporation. He has served on our Board since 1995 and has been our Lead Independent Director since 2001.



Member Member of the Audit Committee
Committee Chair Chair of the Corporate Governance and Nominating Committee

Edward F. Cox
Director

Mr. Cox is chair of the New York Republican State Committee (“NYRSC”) and was previously for more than five years a partner in the law firm of Patterson Belknap Webb & Tyler LLP, New York, New York, serving as the chair of the firm’s corporate department and as a member of its management committee. For more than five years he has been chair of the New York League of Conservation Voters Education Fund and, for more than five years prior to his election as NYRSC chair in 2009, was chair of the finance, community college and charter school committees of the Trustees of The State University of New York and of the State University Construction Fund, and was a member of New York’s merit selection constitutional Commission on Judicial Nomination. During the two years leading up to his 2009 election as NYRSC chair, Mr. Cox served as the New York State Chair of Senator John McCain’s presidential campaign. He has served Presidents Nixon, Reagan and H. W. Bush in the international arena, has been a member of the Council on Foreign Relations since 1993 and serves on the boards of the Foreign Policy Association, the Levin Institute (The State University of New York) and the American Ditchley Foundation. He has served on our Board since 1984.



Member Member of the Compensation, Benefits and Stock Option Committee
Member Member of the Corporate Governance and Nominating Committee
Committee Chair Chair of the Environment, Health and Safety Committee

Charles D. Davidson
Director

Mr. Davidson served as our Chief Executive Officer from October 2000 until October 2014 and continues to serve as Chairman of our Board. In addition, he served as our President from October 2000 through April 2009. Prior to October 2000, he served as President and CEO of Vastar Resources, Inc. (“Vastar”) from March 1997 to September 2000 (Chairman from April 2000) and was a Vastar director from March 1994 to September 2000. From September 1993 to March 1997, he served as a Senior Vice President of Vastar. From 1972 to October 1993, he held various positions with ARCO.



Member Member of the Environment, Health and Safety Committee

Thomas J. Edelman
Director

Mr. Edelman founded Patina and served as its Chairman and CEO from its formation in 1996 through its merger with the Company in 2005. He co-founded Snyder Oil Corporation and was its President from 1981 through 1997. He served as Chairman and CEO and later as Chairman of Range Resources Corporation from 1988 through 2003. From 1980 to 1981, he was with The First Boston Corporation and from 1975 through 1980 with Lehman Brothers Kuhn Loeb Incorporated. Mr. Edelman is currently Managing Partner of White Deer Energy LP, an energy private equity fund, and serves on the Board of Directors of Emerald Oil, Inc. and Postrock Energy Corporation. He is also President of Lenox Hill Neighborhood House, a Trustee and Chair of the Investment Committee of The Hotchkiss School, a member of the Board of Directors of Georgetown University and a director of Berenson & Company. He joined our Board upon completion of our merger with Patina on May 16, 2005.



Member Member of the Compensation, Benefits and Stock Option Committee
Member Member of the Corporate Governance and Nominating Committee
Member Member of the Environment, Health and Safety Committee

Eric P. Grubman
Director

Mr. Grubman has served as Executive Vice President of the National Football League since 2004. He was responsible for Finance and Strategic Transactions from 2004 to 2006 and has served as the League’s President of Business Ventures from 2006 to the present. Mr. Grubman served as Co-President of Constellation Energy Group, Inc. from 2000 to 2001 and partner and co-head of the Energy Group at Goldman Sachs from 1996 to 2000. He serves on the Board of Directors of the U.S. Naval Academy Foundation. He joined our Board on January 27, 2009.



Member Member of the Audit Committee
Member Member of the Corporate Governance and Nominating Committee

Kirby L. Hedrick
Director

Mr. Hedrick served as Executive Vice President over upstream operations for Phillips Petroleum Company from 1997 until his retirement in 2000. In that role he was responsible for worldwide exploration and production and midstream gas gathering, processing and marketing, including activities in 22 countries. He had a varied 25-year career with Phillips, including serving as petroleum engineer from 1975 to 1984 on various onshore and offshore projects in the U.S., the North Sea, Indonesia and the west coast of Africa; Manager of Offshore Operations from 1985 to 1987, responsible for all greater Ekofisk offshore operations for Phillips Pct. Co. Norway; Manager, Corporate Planning from 1987 to 1989; Managing Director from 1990 to 1992, Phillips Pot. Co. UK with upstream and downstream responsibilities, including gas marketing; President and Chief Executive Officer at GPM Gas Co. from 1993 to 1994, responsible for Phillips’ gas gathering, processing and marketing in Texas, Oklahoma and New Mexico; and Senior Vice President, Refining, Marketing and Transportation from 1995 to 1997. He joined our Board on August 1, 2002.



Committee Chair Chair of the Compensation, Benefits and Stock Option Committee
Member Member of the Corporate Governance and Nominating Committee
Member Member of the Environment, Health and Safety Committee

David L. Stover
Director and Officer

David L. Stover, age 56, was elected President and Chief Operating Officer of the Company in April 2009. Prior thereto, he served as Executive Vice President and Chief Operating Officer of Noble Energy from August 2006 to April 2009. He served as Senior Vice President of North America and Business Development from July 2004 through July 2006, and he served as Noble Energy’s Vice President of Business Development from December 2002 through June 2004. Previous to his employment with Noble Energy, he was employed by BP America, Inc. as Vice President, Gulf of Mexico Shelf from September 2000 to August 2002. Prior to joining BP, Mr. Stover was employed by Vastar, as Area Manager for Gulf of Mexico Shelf from April 1999 to September 2000, and prior thereto, as Area Manager for Oklahoma/Arklatex from January 1994 to April 1999. From 1979 to 1994, he held various positions with ARCO.




Scott D. Urban
Director

Mr. Urban served in executive management positions at Amoco and its successor, BP, from 1977 to 2005. At the time of his retirement from BP in 2005, he was Group Vice President, Upstream for several profit centers including North America Gas, Alaska, Egypt and Middle East and, before that, Group Vice President, Upstream North Sea. He held various positions at Amoco including, at the time of its merger with BP, Group Vice President, Worldwide Exploration. Mr. Urban is also a partner in Edgewater Energy LLC, an investment consulting firm, and a member of the Board of Directors of Pioneer Energy Services Corporation. He joined our Board on October 23, 2007.



Member Member of the Audit Committee
Member Member of the Corporate Governance and Nominating Committee
Member Member of the Environment, Health and Safety Committee

William T. Van Kleef
Director

Mr. Van Kleef served in executive management positions at Tesoro Corporation (“Tesoro”) from 1993 to 2005, most recently as Tesoro’s Executive Vice President and Chief Operating Officer. During his tenure at Tesoro, he held various positions, including President, Tesoro Refining and Marketing, and Executive Vice President and Chief Financial Officer. Before joining Tesoro, Mr. Van Kleef, a Certified Public Accountant, served in various financial and accounting positions with Damson Oil from 1982 to 1991, most recently as Senior Vice President and Chief Financial Officer. Mr. Van Kleef is also a member of the Board of Directors of Oil States International, Inc. He joined our Board on November 11, 2005.



Committee Chair Chair of the Audit Committee
Member Member of the Corporate Governance and Nominating Committee

Molly K. Williamson
Director

Ms. Williamson has served in a unique combination of senior executive policy positions in four cabinet departments of the U.S. government. Her postings included senior foreign policy advisor to the U.S. Secretary of Energy; Deputy Assistant Secretary in the Departments of State, Defense, and Commerce; U.S. interim ambassador to Bahrain; and Chief of Mission and Consul General in Jerusalem during the Madrid peace process which culminated in the Oslo Accords.

Ms. Williamson is a scholar with the Middle East Institute, a consultant, frequent lecturer at Johns Hopkins University, and a member of the Boards of Directors of the American Foreign Service Association, American Academy of Diplomacy and International Services Corps. She is a former Foreign Service Officer, having served six U.S. presidents, achieving the rank of Career Minister. She joined our Board on March 14, 2013.



Member Member of the Compensation, Benefits and Stock Option Committee
Member Member of the Corporate Governance and Nominating Committee
Member Member of the Environment, Health and Safety Committee