Thomas M. Gladney

Plains Resources, Inc. engages in acquisition and exploitation of mature, underdeveloped oil properties, preferably an entire field in which a major integrated or large independent producer has controlling interest, simplifying the acquisition process. The company is headquartered in Houston, TX.

Part of Freeport-McMoRan, Inc., Arguello, Inc. is a company based in Goleta, CA.

Plains Exploration & Production Co. was an independent energy company, which was engaged in the activities of acquiring, developing, exploring and producing oil and gas properties. It was owned oil and gas properties in onshore and offshore areas of California, the Gulf Coast Region, including Haynesville Shale, Eagle Ford Shale and South and East Texas, the Mid-Continent Region and the Rocky Mountains. The company was founded on September 28, 1990 and was headquartered in Houston, TX.

Venoco LLC engages in the acquisition, exploration, and development of oil & natural gas properties. Its principal producing assets are heavily oil-weighted and are located both onshore and offshore in Southern California. The company was founded by Timothy M. Marquez in September 1992 and is headquartered in Denver, CO.