Jim Keisling

Ocean Energy, Inc. explores and produces crude oil and natural gas. Its operations are focused in the shelf and deepwater areas of the Gulf of Mexico, the Rocky Mountains, Permian Basin, Anadarko, East Texas, North Louisiana and Gulf Coast regions. The company also conducts operations in Egypt, the Russian Republic of Tatarstan, Brazil, and Indonesia. Ocean Energy is located in Houston, TX.

Three Rivers Operating Co., Inc. engages in the exploration, development, production and acquisition of oil and natural gas. Its drilling activities are primarily focused in the operating areas including bone spring formation, the wolfberry, conventional permian within permian basin. The company was founded on March 8, 2010 and is headquartered in Austin, TX.

Texaco, Inc. explores and produces oil and natural gas. It engages in the worldwide exploration, production and marketing of crude oil, natural gas, and petroleum products. The company was founded in 1902 and is headquartered in San Ramon, CA.

The Group's principal activity is to explore, develop and produce oil and natural gas. Its exploration activity is based on an integrated geologic interpretation method incorporating 3-D seismic technology and advanced visualization and data analysis techniques utilizing state-of-the-art computer hardware and software. The operations are conducted primarily along the onshore United States, Gulf Coast with its primary emphasis in South Texas and South Central Louisiana.