John G. Clarkson

Lime Rock Management LP (Lime Rock Management) is Private Equity firm founded in 1998 by Jonathan Clark Farber and John T. Reynolds. The firm is headquartered in Westport with additional office in London.

Total E&P Joslyn Ltd. develops, operates, produces and sells recoverable bitumen found in Athabasca oil sands. Its assets include Lease 24 and Permit 70, collectively known as the Joslyn Lease. The company was founded in 1998 and is headquartered in Calgary, Canada.

NQL Drilling Tools Inc. is a supplier of directional drilling tools on a global basis, and a world class oilfield manufacturer. Under its NQL Energy Services operating banner, NQL provides a wide variety of drilling tools from three facilities in Canada, 10 facilities in the United States, three facilities in Venezuela, facilities in Holland, Dubai and Argentina, and a distribution agent in the Asia Pacific region. These products include: - Proprietary Black Max mud motor; - Patented Black Star EM-MWD guidance system; and - Full array of shock tools, drilling jars, and other components used in the drill string

Slate River Resources LLC explores oil and natural gas with operations focused on developing unconventional natural gas resources in the rocky mountain regions. The company has operations in the Uinta and Piceance Basins in eastern Utah and western Colorado. It was formed on February 8, 2005 and is located in Denver, CO.

Marauder Resources East Coast, Inc. engages in the exploration and production of petroleum and natural gas reserves. It operates through the offshore Nova Scotia and New Zealand segment. The company was founded on March 27, 1997 and is headquartered in Calgary, Canada.

Fortaleza Energy, Inc. is an oil and gas company, which engages in the exploration, development, and production of crude oil and natural gas. It also provides custom acid blending services for fracture stimulation and production optimization fluids through its wholly owned subsidiary, BlendForce Energy Services Inc. The company was founded on January 15, 2007 and is headquartered in Calgary, Canada.

US Exploration Holdings, Inc., is a Billings, Montana based company. The company produces oil and gas with operations focused on developing natural gas reserves in the Denver, Julesburg basin of Colorado