Jon R. Whitney

Patina Oil & Gas Corp. engages in the acquisition, development, exploitation and production of oil and natural gas properties within the continental United States. The company was incorporated in June 20, 2001 and is headquartered in Denver, CO.

American Oil & Gas, Inc. engaged in the acquisition, exploration and development of crude oil and natural gas reserves and production in the Western United States. The company was founded on February 15, 2000 and was headquartered in Denver, CO.

Storm Cat Energy Corp. operates as an oil and gas company, which engages on the exploration, production and development of large unconventional gas reserves. It properties include Wyoming's Powder River Basin and Arkansas' Arkoma Basin and exploration. The company was founded on January 10, 2005 and is headquartered in Denver, CO.

Colorado Interstate Gas Co. LLC engages in interstate transportation, storage, and processing of natural gas. The company was founded on June 08, 1927 and is headquartered in Houston, TX.

Part of Icahn Associates Holding LLC, CVR GP LLC is a company that manufactures and supplies fertilizer. The company is based in Sugar Land, TX. Mark A. Pytosh has been the CEO of the company since 2011.

Bear Tracker Energy, LLC, Provided midstream oil and natural gas service. It was a full service midstream oil and natural gas company with expertise in gathering, processing, compression, treating, fractionation, and marketing. The company was provide producers with the infrastructure and services necessary to bring its production to market, allowing its customers to focus on development of production and reserves. Bear Tracker Energy was founded in 2009 and headquartered in Denver, CO.

CVR Refining LP operates as oil and gas refinery and logistics services. It operates coking medium-sour crude oil refinery in Coffeyville, Kansas and crude oil refinery in Wynnewood, Oklahoma. The company was founded in September 2012 and is headquartered in Sugar Land, TX.