BHP Billiton

With an estimated 2.3 billion barrels of proved reserves, Anadarko Petroleum Corporation is one of the largest independent oil exploration and production companies in the world. The company also markets approximately 3 billion cubic feet of natural gas per day throughout the United States and Canada. Anadarko s operational focus in North America extends from the Gulf of Mexico up through the Canadian Rockies and onto the north slope of Alaska. Its international operations are focused on major positions in Algeria, Venezuela and Qatar, as well as exploration or production operations in several other countries. James T. Hackett has been the chief executive officer of Anadarko Petroleum for more than two years. He has been with the petroleum and natural gas company for over two years. Hackett earned a BS degree from the University of Illinois, and a MBA from Harvard. Headquartered in The Woodlands, Texas, Anadarko Petroleum Corporation employs approximately 3,400 people in locations throughout the world.

Apache Corporation is one of the largest independent oil and gas exploration and development businesses with operations in the United States, Canada, Egypt, Australia, the United Kingdom, China and Argentina. For more than 50 years, the company has grown through exploratory drilling and development activities, as well as strategic acquisitions. Apache s portfolio approach was developed to provide diversity in terms of hydrocarbon product, geologic risk and location. The company acquired the Forties Field from British Petroleum in 2003, the largest field ever discovered in the U.K. North Sea. Apache Corporation committed in 2004 to deliver 300 million cubic feet of gas daily through 2030. G. Steven Farris has been the chief executive officer of Apache for more than four years. He has been with the petroleum company for over 18 years. Farris attended Oklahoma State University. The company was established in 1954 and is headquartered in Houston.