B. Alan Clark

Mewbourne Energy Partners 01-A LP engages in oil and gas development and production. It holds fractional working interests in developmental oil and gas prospects located primarily in the Anadarko Basin of Western Oklahoma, the Texas Panhandle, and the Permian Basin of New Mexico and West Texas. The company was founded on February 23, 2001 and is headquartered in Tyler, TX.

Mewbourne Energy Partners 02-A LP used engaged in the development and production of oil and natural gas properties. It has working interests in developmental oil and gas prospects, located primarily in the Anadarko Basin of Western Oklahoma, the Texas Panhandle, and the Permian Basin of New Mexico and West Texas. The company is headquartered in Tyler, TX.

Mewbourne Energy Partners 03-A LP engages in the development and production of oil and natural gas properties. It holds fractional working interests in developmental oil and gas prospects. The company was founded on February 19, 2003 and is headquartered in Tyler, TX.

Mewbourne Energy Partners 04-A LP engages in the development and production of oil and natural gas properties. The company was founded on January 27, 2004 and is headquartered in Tyler, TX.

Mewbourne Oil Co. operates as an oil and natural gas exploration and production company. It develops oil and natural gas prospects; acquires leasehold interests; and serves as an operator in the drilling, completion, and production of oil and natural gas wells. The company was founded by Curtis W. Mewbourne in 1965 and is headquartered in Tyler, TX.

Part of Marathon Oil Corp., Texas Oil & Gas Corp. is an oil and gas exploration and American production company. Texas Oil & Gas was acquired by USX Corp. /Old/ on February 28, 1986 for $4,094.40 million.

Mewbourne Energy Partners 06-A LP provides oil and gas development and production services. Its natural gas will be sold to local distribution companies, gas marketers and end users on the spot market. The company was founded on November 16, 2005 and is headquartered in Tyler, TX.

Mewbourne Energy Partners 05-A LP was engaged in development and production of oil and gas properties. It was holding working interests in oil and gas prospects located primarily in the Anadarko Basin of Western Oklahoma, the Texas Panhandle, and the Permian Basin of New Mexico and West Texas. The company was founded on February 14, 2005 and was headquartered in Tyler, TX.