F. H. Merelli
F. H. Merelli, 67, was elected Chairman of the Board, Chief Executive Officer, President and a director of Cimarex on September 30, 2002. Mr. Merelli had been with Key since September 9, 1992. During his tenure at Key, he continuously held the offices of Chairman and Chief Executive Officer. From March 2002 until September 30, 2002, and prior to September 1999, he also held the office of President. From July 1991 to September 1992, Mr. Merelli was engaged as a private consultant in the oil and gas industry. Mr. Merelli was President and Chief Operating Officer of Apache Corporation and President, Chief Operating Officer and a director of Key from June 1988 to July 1991, at which time he resigned from those positions in both companies. He was President of Terra Resources, Inc. from 1979 to 1988. Mr. Merelli has been a director of Apache Corporation since July 1997.

Hans Helmerich
Hans Helmerich, 44, was elected a director of Cimarex on February 14, 2002.  Mr. Helmerich has been a member of the board of directors of Helmerich & Payne since 1987. Mr. Helmerich has served as the President and Chief Executive Officer of Helmerich & Payne since 1989. Mr. Helmerich also serves as a director of Atwood Oceanics, Inc.

Cortland S. Dietler
Cortland S. Dietler is a member of the Cimarex board of directors. Mr. Dietler has been a member of the board of directors of Key since September 9, 1992. He has been the chairman of the board of TransMontaigne, Inc. since April 1995. Mr. Dietler was chief executive officer of TransMontaigne from April 1995 through September 1999. Mr. Dietler was the founder, chairman and chief executive officer of Associated Natural Gas Corporation prior to its 1994 merger with Panhandle Eastern Corporation (now Duke Energy Corporation). He also serves as a director of Hallador Petroleum Company, Forest Oil Corporation and Carbon Energy Corporation. His industry affiliations include: member of the National Petroleum Council; director of the American Petroleum Institute; past director of the Independent Petroleum Association of America; and director, past president and life member of the Rocky Mountain Oil & Gas Association.

L. Paul Teague
L. Paul Teague is a member of the Cimarex board of directors. Mr. Teague has been a member of the board of directors of Key since August 20, 1996. He retired in 1994 from his position as vice president, Western Region, Texaco Exploration & Producing Inc. in Denver. Other positions in his 35 years with Texaco included division manager of the New Orleans Division, Eastern Producing Department; vice president, New Orleans Producing Division of Texaco USA; and vice president, Producing Department, Texaco USA in Houston. His industry affiliations include: chairman of the API Executive Committee on Drilling and Production Practices; president of the Colorado Petroleum Association; director and executive committee member of the Rocky Mountain Oil & Gas Association; and executive committee member of the Louisiana Oil & Gas Association.

Paul D. Holleman
Paul D. Holleman is a member of the Cimarex board of directors. Mr. Holleman has been a member of the board of directors of Key since April 4, 2001. He retired in 2000 from his position as senior partner in Holme Roberts & Owen LLP, a Denver law firm. At Holme Roberts he had served as legal counsel to Key Production and other oil and gas companies. Other positions in his 40 years with Holme Roberts included chairman of the Natural Resources Department and member of the executive committee. He was president of Inter-American Petroleum Corporation in 1970 and 1971 and was a director of Janus Fund in those same years. He is past chairman of the Mineral Law Section of the Colorado Bar Association, past chairman of the Rocky Mountain Mineral Law Institute and past chairman of the American Bar Association Public Lands Committee of the Natural Resources Section.

Glenn A. Cox
Glenn A. Cox is a member of the Cimarex board of directors. Mr. Cox was President and Chief Operating Officer of Phillips Petroleum Company until his retirement in 1991. Mr. Cox also serves as a director of Helmerich & Payne, Inc.

David A. Hentschel
David A. Hentschel is a member of the Cimarex board of directors. Mr. Hentschel served as chairman and chief executive officer of Occidental Oil and Gas Corporation from 1997 until his retirement in 1999, at which time he was retained as a consultant to the company. From 1995 until 1997, Mr. Hentschel served as president and chief executive officer of Canadian Occidental Petroleum Ltd., since renamed Nexen Inc. Mr. Hentschel also serves as a director of Nexen Inc.

Michael J. Sullivan
Michael J. Sullivan is a member of the Cimarex board of directors. Since 2001, Mr. Sullivan has been Special Counsel with Rothgerber Johnson & Lyons LLP. From 1998 until 2001, Mr. Sullivan served as the United States Ambassador to Ireland. From 1995 until 1998, Mr. Sullivan practiced law with the firm of Brown, Drew, Apostolos, Massey & Sullivan. Mr. Sullivan also serves as a director of Allied Irish Bank Group and AllFirst Bank.

Jerry W. Box
Mr. Box was elected to the Cimarex Energy board of directors on June 7, 2005. He served as Chairman of Magnum Hunter Resources, Inc. since October 2004, and as director since March 1999. From February 1998 to March 1999, he served in the position of president and chief operating officer and as a director of Oryx Energy Company, now owned by Kerr McGee Corporation. From December 1995 to February 1998, he was executive vice president and chief operating officer of Oryx. From December 1994 through November 1995, he served as executive vice president, exploration and production of Oryx. Previously, he served as senior vice president, exploration and production of Oryx. Mr. Box attended Louisiana Tech University, where he received B.S. and M.S. degrees in geology, and is also a graduate of the Program for Management Development at the Harvard University Graduate School of Business Administration. Mr. Box served as an officer in the U.S. Air Force from 1961 to 1966. Mr. Box is a former member of the Policy Committee of the U.S. Department of the Interior’s Outer Continental Shelf Advisory Board, past chairman and vice-chairman of the American Petroleum Institute’s Exploration Affairs subcommittee, a former president of the Dallas Petroleum Club.

Monroe W. Robertson
Effective October 31, 2005, the Board of Directors elected Monroe W. Robertson as a director to serve until Cimarex's annual meeting of shareholders to be held in 2007. Mr. Robertson has 30 years of experience with both major and independent oil and gas companies, with responsibilities progressing from financial analysis and corporate planning to management roles including, Chief Financial Officer and Chief Operating Officer. Mr. Robertson holds B.S. and M.S. degrees from the Massachusetts Institute of Technology.