Bruce A. Berwager

Warren Resources, Inc. operates as an exploration company. The firm engages in the acquisition, exploration, development and production of domestic onshore crude oil and gas reserves. It focuses on the exploration and development of water flood oil recovery properties. The company was founded on June 12, 1990 and is headquartered in Austin, 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.

BioJet International Ltd. engages in the production of renewable bio jet fuel and related products. It owns and controls bio-feedstock, develops refining capacity, solves aviation fuel supply logistics, and handles sales to end users. The company was founded by Mitchell R. Hawkins in 2009 and is headquartered in Santa Barbara, CA.

Underground Energy Corp. explores, develops and produces oil and natural gas. It focuses on identifying and acquiring sizable land positions and prospects in historically prolific but under-explored shale formations as well as in emerging shale plays that, in both instances, hold large volumes of prospective resources. The company was founded by Peter M. Ballachey on August 9, 2011 and is headquartered in Santa Barbara, CA.

Amplify Energy Operating LLC acquires, develops and produces oil and natural gas. The company was founded in Houston, TX.