Roger H. Giovanetto

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.

King Energy, Inc. is an oil and Canadian natural gas exploration company. The company is based in Calgary, Canada. King Energy was acquired by Vanquish Oil & Gas Corp. on April 18, 2006 for $9.15 million.

CalStar Oil & Gas Ltd. is a Canadian company that mines and explores for natural gas and natural gas liquids. The private company is based in Calgary, Canada. and has subsidiaries in Canada. The CEO of the company is Theodore K. Cantlon.

Equal Energy Ltd. engages in the exploration, development and production of oil and natural gas. Its portfolio of oil and gas properties is geographically diversified with producing properties located principally in Oklahoma and Alberta. The company is headquartered in Calgary, Canada.

Mosaic Capital Corp. is an investment company, which engages in acquiring and investing in businesses across a range of industries and geographies. The company was founded by Harold Kunik and John Mackay on February 11, 2011 and is headquartered in Calgary, Canada.

Association of Professional Engineers & Geoscientists of AB is a non profit organization that regulates the practices of engineering and geoscience in Alberta. Its function is licensing individuals and companies that want to practice engineering and geoscience in Alberta. The applicants and companies that meet APEGA’s standards for ethical, professional, and technical competency earn the right to practice and use reserved titles and designations. The company was founded in 1920 and is headquartered in Edmonton, Canada.

RockBridge Resources, Inc. engages in the acquisition and development of oil and natural gas properties. It holds interests in the Clarke Lake property. The company was founded on November 20, 2007 and is headquartered in Vancouver, Canada.

Catch Resources, Inc. engages in the acquisition of producing and distressed assets within the oil and gas industry by providing equity, loans and capital. The company is headquartered in Calgary, Canada.