William M. Morris

Legacy Reserves GP LLC, operating under the name Revenir Energy Inc., is an independent energy company that develops, produces, and acquires oil and natural gas properties. Revenir Energy Inc. is based in Midland, TX. The private company's current operations are focused on the horizontal development of unconventional plays in the Permian Basin and East region.

Pure Resources, Inc. develops, explores, and acquires oil and gas properties. Its properties are located in the Permian Basin of West Texas, southeastern New Mexico, and the San Juan Basin of New Mexico. The company is headquartered in Midland, 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.