Bruce H. Stover

Anadarko Petroleum Corp. is an independent exploration and production company. It operates through the following segments: Exploration and Production; WES Midstream; and Other Midstream. The Exploration and Production segment focuses on the exploration, development, production, and sale of oil and natural gas. The WES Midstream and Other Midstream segment consists of gathering, compressing, treating, processing, and transporting of natural gas; gathering, stabilizing, and transporting of oil and natural gas liquids. The company was founded in 1959 and is headquartered in The Woodlands, TX.

Endeavour International Corp. was engaged in exploration and development of oil and gas reserves. The company was founded by William L. Transier and John N. Seitz and was headquartered in Houston, TX.

Midstates Petroleum Co., Inc. is an exploration and production company, which engages in the application of modern drilling and completion techniques in oil and liquids-rich basins. It focuses on its operations in the Mississippian Lime and the Anadarko Basin. The company was founded in 1993 and is headquartered in Houston, TX.

Anadarko Algeria Co. LLC provides oil and gas exploration services. It has production facilities and other operating units in Algerian Sahara Desert. The company is headquartered in Uxbridge, the United Kingdom.

Bristow Group, Inc. engages in the provision of industrial aviation solutions. It offers helicopter transportation, search and rescue (SAR) and aircraft support services to government and civil organizations worldwide. It operates through the following regions: Europe Caspian, Africa, Americas, and Asia Pacific. The Europe Caspian region comprises all its operations and affiliates in Europe and Central Asia, including Norway, the United Kingdom and Turkmenistan. The Africa region consists of African continent, as well as Nigeria and Egypt. The Americas region covers North America and South America, inclusive of Brazil, Canada, Guyana, Trinidad, and the United States Gulf of Mexico. The Asia Pacific region encompasses Australia, and Asia. The company was founded in 1969 and is headquartered in Houston, TX.

Society of Petroleum Engineers, Inc. provides petroleum engineering services. The non-profit company is based in Allen, TX and has subsidiaries in United States, India and Canada.

Amplify Oklahoma Operating LLC engages in the production and exploration of oil and gas industry. It focuses on the application of drilling and completion techniques to oil and liquid prone resources in previously discovered yet underdeveloped hydrocarbon trends. The company was founded on February 22, 2006 and is headquartered in Tulsa, OK.