Mr. Liddell has served as a director of the company since July 1997 and as Chairman of the Board of the company since July 1998. Mr. Liddell served as Chief Executive Officer of the company from April 1998 to December 2005 and President of the company from July 2000 to December 2005. In addition, Mr. Liddell served as Chief Executive Officer of DLB Oil & Gas, Inc., a publicly held oil and natural gas company, from October 1994 to April 1998, and as a director of DLB Oil & Gas from 1991 through April 1998. From 1991 to 1994, Mr. Liddell was President of DLB Oil & Gas. From 1979 to 1991, he was President and Chief Executive Officer of DLB Energy. From May 2005 to August 2008, Mr. Liddell served as a director of Bronco Drilling Company, Inc., a provider of contract land drilling services, and served as its Chairman of the Board from May 2005 to August 2007. Mr. Liddell has served since December 2005 as the Chairman of the Board and a director of Windsor Energy Resources, Inc., an independent energy company focused on the exploration, exploitation and development of both conventional and unconventional onshore oil and natural gas reserves. Mr. Liddell received a Bachelor of Science degree in education from Oklahoma State University.

Mr. Palm has served as a director of the company since February 2006 and as Chief Executive Officer of the company since December 2005. Previously, Mr. Palm served as is the manager and owner of Crescent Exploration, LLC, an independent oil and natural gas exploration company founded by Mr. Palm in 1995 and operating primarily in Oklahoma, the Texas Panhandle and Kansas. From 1986 to 1995, Mr. Palm worked for Ricks Exploration Company in Oklahoma City as Vice President of Exploration and Operations. Mr. Palm currently serves as a member of the Industry Advisory Committee of the Oklahoma Corporation Commission. From October 2001 through October 2003, Mr. Palm served as the Chairman of the Oklahoma Energy Resources Board. From 1997 through 1999, Mr. Palm served as the President of the Oklahoma Independent Petroleum Association. Mr. Palm received a Bachelor of Science degree in Mechanical Engineering in 1968, and a Masters in Business Administration in 1971, both from Oklahoma State University.

Mr. Moore has served as a Vice President and Chief Financial Officer of the company since July 2000. From May 1998 through July 2000, Mr. Moore served as Vice President and Chief Financial Officer of Indian Oil Company. From September 1995 through May 1998, Mr. Moore served as Controller of DLB Oil & Gas. Prior to that, Mr. Moore served as Controller of LEDCO, Inc., a Houston based gas marketing company. Mr. Moore received both his Bachelor of Business Administration degree in finance and his Masters in Business Administration from the University of Central Oklahoma.

Mr. Maier has served as a Geological/Geophysical Manager of the company since May 1998. From 1993 to May 1998, he had served as Senior Geologist with DLB Oil & Gas. From 1992 until joining DLB Oil & Gas, Mr. Maier was a consulting geologist/geophysicist and, from 1981 to 1991, Mr. Maier was a geologist/geophysicist with The Anschutz Corporation, an oil and natural gas exploration and production company. From 1979 to 1981, Mr. Maier was a production geologist for Gulf Oil Exploration and Production Company. From 1977 to 1979, Mr. Maier was a well site geologist. Mr. Maier received a Bachelor of Science degree in geology from the University of Missouri. Mr. Maier is a member of the American Association of Petroleum Geologists.

Mr. Wilson has served as a Geologist/Geophysicist of the company since May 1998. From 1994 to May 1998, Mr. Wilson had served as Geologist with DLB Oil & Gas. From 1992 until joining DLB Oil & Gas, Mr. Wilson was President of J.L. Resources, Inc., a geological and geophysical consulting services company. From 1980 to 1987, Mr. Wilson was a geological/geophysical manager for The Anschutz Corporation Mid-continent division. From 1987 to 1992, Mr. Wilson was the Division Manager for The Anschutz Corporation Mid-continent division. From 1978 to 1980, Mr. Wilson was employed as a geophysicist with Terra Resources, Inc., an oil and natural gas exploration and production company. From 1977 to 1978, Mr. Wilson was a geologist for Monsanto Company and, from 1974 to 1977, Mr. Wilson was a geophysicist for Cities Service Oil Company, an oil and natural gas exploration and production company. Mr. Wilson received a Bachelor of Science degree in geology from Wichita State University. Mr. Wilson is a member of the American Association of Petroleum Geologists.