Bill Sullivan

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.

Legacy Reserves LP is an oil and natural gas limited partnership company. It focuses on the acquisition and development of oil and natural gas properties primarily located in the Permian Basin, Mid-Continent and Rocky Mountain regions of the United States. The company's projects include East Texas, Spraberry/War San, Piceance Basin, Lea, Texas Panhandle, Deep Rock, Shafter Lake, Jalmat, Winchester, and Denton. Legacy Reserves was founded in October 26, 2005 and is headquartered in Midland, TX.

Targa Resources Partners LP owns, operates, acquires, and develops midstream energy assets. It specializes in gathering, compressing, treating, processing, and selling natural gas; storing, fractionating, treating, transporting, and selling natural gas liquids (NGL) and NGL products. The company was founded in October 2006 and is headquartered in Houston, TX.

Part of Targa Resources Corp., Targa Resources GP LLC is a private company that offers petroleum services. The company is based in Fort Lauderdale, FL.

TRI Resources, Inc. provides midstream natural gas and NGL services. The company was founded in April 2003 and is headquartered in Houston, TX.

Gryphon Exploration Co. produces and explores oil and gas. It provides liquefied natural gas, crude oil, and condensate and liquid petroleum gas. The company was founded in October 2000 and is headquartered in Houston, TX.