Thomas J. Jacobsen

The Group's principal activities are provides acquisition, exploitation, development and production of natural gas and oil and it also provide gas gathering, processing and compression services for properties. The Group operates as two business segments through two wholly-owned subsidiaries, PRB Oil and Gas Inc a Colorado corporation, a gas and oil exploitation and it include developing and producing natural gas from CBM wells and PRB Gathering Inc a Colorado corporation, a Gas Gathering and Processing and it provide owns and operates gas gathering and processing systems. The Group operates in Wyoming, Colorado and Nebraska.

Steen River Oil & Gas, Inc. engages in the exploration of natural gas and crude oil. The company was founded on September 3, 2003 and is headquartered in Calgary, Canada.

Part of Steen River Oil & Gas, Inc., Caribou Resources Corp. explores for oil and gas. The company is based in Calgary, Canada. The CEO of the Canadian company is Christina M. Fehr. Caribou Resources was acquired by Steen River Oil & Gas, Inc. on August 01, 2007 for $31.68 million.

Enterra Energy Trust is an exploration and production oil and gas trust based in Calgary, Alberta, Canada with its United States operations office located in Oklahoma City, Oklahoma. Its trust units and debentures are listed on the Toronto Stock Exchange under the symbols ENT.UN, ENT.DB, ENT.DB.A and Enterra's trust units are listed on the New York Stock Exchange under the symbol ENT. The Trust portfolio of oil and gas properties is geographically diversified with producing properties located principally in Alberta, British Columbia, Saskatchewan and Oklahoma. Current production is comprised of approximately 50 percent natural gas and 50 percent crude oil and natural gas liquids.

Enterra Energy Corp. produces and distributes oil and gas. Its services include providing exploration and production of crude oil and natural gas both onshore and offshore. The company is headquartered in Calgary, Canada.

International Pedco Energy Corp. provides oil and gas field exploration services. The private company is based in Calgary, Canada.

International Colin Energy Corp. produces crude petroleum and natural gas. It develops, acquires, explores, and produces light crude oil and natural gas in western Canada. The company operates in four main areas in Canada. The company is headquartered in Calgary, Canada.