Jerry L. Dees

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.

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.

Vastar Resources, Inc. is one of the largest independent oil and natural gas exploration and production companies in the United States. The company is active in approximately 80 fields in some of the nation's most prolific producing areas, including the Gulf of Mexico, the Gulf Coast, the Oklahoma/Arklatex and the Rockies/Hugoton regions. In addition, the company's drilling rigs are exploring for new reserves both onshore and in the promising shelf and deepwater Gulf of Mexico drilling plays, the latter the site of rising industry activity and excitement.

Geotrace Technologies, Inc. provides subsurface imaging solutions to the oil and gas industries. Its services include noise attenuation, regularization, velocity analysis, seismic imaging and surface consistent processing. The company was founded in 1979 and is headquartered in Houston, TX.