Terrell A. Dobkins

Rimrock Energy, LLC is a privately funded corporation registered in Delaware. The company is funded with $250 million of capital commitment from Irving Place Capital, LLC and Natural Gas Partners. Rimrock Energy was founded in August, 2007, by Sanford E. McCormick, Terrell A. Dobkins and Wallace Wilson. The Corporate Headquarters are in Denver, Colorado with a regional office in Fort Worth, Texas. Personal profiles of the management team are included in the Management Team Section. The five-member senior management team of Rimrock collectively represents more than 200 years of energy industry experience. The senior management team has many years of experience in the unconventional gas development business and brings extensive knowledge and understanding of the resources to the company.

Part of Marathon Oil Corp., Pennaco Energy, Inc. acquires, develops, and produces oil and natural gas properties, primarily coal bed methane properties. The company is based in Denver, CO. Pennaco Energy was acquired by Marathon Oil Corp. on February 06, 2001 for $373.18 million. The company was founded in 1998 by Marc A. Bruner, Mark A. Erickson, Bradley J. Windt.

Western Energy Alliance is a nonprofit trade association based in Denver, CO, representing 300 companies engaged in environmentally responsible exploration and production of oil and natural gas in the west. The company believes in the principle of multiple use of non-park, non-wilderness public lands and has consistently stressed the importance of public lands advocacy over many years. The company is an advocacy organization promoting the best practices in the industry.

Vadda Energy Corp. developed and produced natural gas and oil. The company was founded in May 1997 and was headquartered in Flower Mound, TX.

Elk Meadows Resources LLC provides services related to acquisition and development of oil and gas properties. Its operational focuses will be on the exploitation of liquids-heavy onshore oil and gas properties, both conventional and unconventional, in the Permian Basin and Northern Rockies. The company was founded in 2012 and is headquartered in Denver, CO.