SENIOR MANAGEMENT

Robert L.G. Watson, President / Chief Executive Officer
Chris E. Williford, Executive Vice President / Chief Financial Officer
Lee T. Billingsley, Vice President - Exploration
William H. Wallace, Vice President - Operations
Stephen T. Wendel, Vice President - Land and Marketing
Barbara M. Stuckey, Vice President - Corporate Development


Robert L.G. Watson, President / Chief Executive Officer
Mr. Watson has served as Chairman of the Board, President, Chief Executive Officer and a director of Abraxas since founding the Company in 1977. Prior to forming Abraxas, Mr. Watson was associated with the independent reservoir engineering firm of DeGolyer and MacNaughton and Tesoro Petroleum Corporation in various engineering, operations, administrative and management positions, including Assistant to the President of Tesoro Exploration and Production Company. Mr. Watson received a Bachelor of Science degree in Mechanical Engineering from Southern Methodist University in 1972 and a Master of Business Administration degree from the University of Texas at San Antonio in 1974.

Chris E. Williford, Executive Vice President / Chief Financial Officer
Mr. Williford has served as Vice President, Treasurer and Chief Financial Officer since January 1993, and as Executive Vice President of the Company since May 1993. Prior to joining Abraxas, Mr. Williford was Chief Financial Officer of American Natural Energy Corporation, from July 1989 to December 1992, and President of Clark Resources Corporation, from January 1987 to May 1989. Mr. Williford received a Bachelor of Science degree in Business Administration from Pittsburg State University in 1973.

Lee T. Billingsley, Vice President - Exploration
Dr. Billingsley has served as Vice President - Exploration since joining Abraxas in 1998. In 1983, Dr. Billingsley founded Sandia Oil & Gas Corp. and served as its President until Sandia merged into Abraxas in 1998. Prior to forming Sandia, Dr. Billingsley worked for Tenneco Oil Company and American Quasar Petroleum. Dr. Billingsley holds three degrees in Geology, Bachelor of Science and Doctorate from Texas A&M University and Master of Science from Colorado School of Mines.

William H. Wallace, Vice President - Operations
Mr. Wallace has served as Vice President - Operations since 2000. From 1995 to 2000, Mr. Wallace served as Abraxas' Superintendent/Senior Operations Engineer for South Texas and Wyoming. Prior to joining Abraxas, Mr. Wallace was associated with Dorchester Gas Producing Company and Parker and Parsley. Mr. Wallace received a Bachelor of Science degree in Petroleum Engineering from Texas Tech University in 1981.

Stephen T. Wendel, Vice President - Land and Marketing
Mr. Wendel has served as Vice President - Land and Marketing since 1990 and as Corporate Secretary since 1988. From 1982 to 1990, Mr. Wendel served as Abraxas' Manager of Joint Interests and Natural Gas Contracts. Prior to joining Abraxas, Mr. Wendel held accounting, auditing and marketing positions with Tenneco Oil Company and Tesoro Petroleum Corporation. Mr. Wendel received a Bachelor of Business Administration degree in Accounting from Texas Lutheran University in 1971.

Barbara M. Stuckey, Vice President - Corporate Development
Ms. Stuckey has served as Vice President - Corporate Development since 2007. From 1997 to 2007, Ms. Stuckey served in several positions with Abraxas, most recently as Director of Corporate Development. Prior to joining Abraxas, Ms. Stuckey was a flight instructor and paralegal. Ms. Stuckey received a Bachelor of Arts degree from the University of Texas at San Antonio in 1991 and a Master of Business Administration degree from Bordeaux Business School in 2004.