Toreador Resources was founded in 1951 and is headquartered in Paris, France. Toreador Resources Corporation operates as an independent international energy company. Toreador Resources Corporation engages in the acquisition, development, exploration, and production of crude oil. Toreador Resources Corporation holds interests in developed and undeveloped oil properties in France. Toreador Resources primarily focuses on the Paris Basin Oil Shale. Toreador Resources Corporation was formerly known as Toreador Royalty Corporation and changed its name to Toreador Resources Corporation.

Plains Exploration and Production Company was founded in 2002 and is based in Houston, Texas. Plains Exploration & Production Company engages in the acquisition, development, exploration, and production of oil and gas properties primarily in the United States. Plains Exploration and Production Company owns interests in various oil and gas properties located in the Onshore and Offshore California; the Gulf of Mexico; the Gulf Coast Region, including the Haynesville Shale and South and East Texas; the Mid-Continent Region; and the Rocky Mountains, as well as an interest in an exploration prospect offshore Vietnam. As of December 31, 2008, Plains Exploration and Production Company had proved reserves of approximately 292.1 million barrels of oil equivalent.

W&T Offshore, Inc. are an independent oil and natural gas acquisition, exploitation and exploration company. W&T Offshore, Inc. are focused primarily in the Gulf of Mexico area, where W&T Offshore, Inc. have developed significant technical expertise and where the high production rates associated with hydrocarbon deposits have historically provided us the best opportunity to achieve a rapid payback on our invested capital. W&T Offshore, Inc. has interests in approximately 77 producing fields in federal and state waters; leases covering approximately 0.6 million net acres in the outer continental shelf off the coasts of Louisiana, Texas, Mississippi, and Alabama; and interests in approximately 288 structures. As of December 31, 2009, W&T Offshore, Inc. had proved reserves of 371.0 billion cubic feet of gas equivalent. W&T Offshore, Inc. was founded in 1983 and is based in Houston, Texas.

Sefton Resources explores for and produces oil and gas primarily in California and Kansas. Sefton Resources, Inc. core area of exploration and production is the East Ventura Basin in California, where Sefton Resources owns two oil fields (Tapia Canyon and Eureka Canyon). In addition, Sefton Resources, Inc. owns more than 40,000 acres in the Forest City Basin of Eastern Kansas, which has coalbed methane and conventional oil and gas deposits. Sefton Resources, Inc. has proved reserves of 7.6 million barrels of oil equivalent. Sefton Resources, Inc. operating subsidiaries are TEG Oil & Gas USA and TEG Oil & Gas MidContinent.

Derek Oil & Gas Corporation was founded in 1981 as Cove Energy Corporation and changed its name to Derek Oil & Gas in 2003. Derek Oil & Gas explores for, acquires, and develops oil and gas properties in the US. Instead of searching for undeveloped properties, Derek Oil & Gas Corporation uses new recovery technologies to recover oil resources from existing oil and gas reservoirs. Derek Oil & Gas Corporation holds an indirect interest in the 8,000-acre LAK Ranch Project in the Powder River Basin of eastern Wyoming. Derek Oil & Gas Corporation is developing the project in collaboration with Ivanhoe Energy. The reservoir is expected to contain more than 190 million barrels of oil.

AMERICAN AGIP Co. Inc. was established in North America in 1987. American Agip is part of the Eni Group, a global company operating in the oil, natural gas, power generation and petrochemicals industries, as well as oil field services and engineering. After having, in 2008, spun off its methanol and petroleum products trading activity to its sister company, Eni Trading and Shipping (ETS), American Agip is now active and exclusively focused on the manufacturing and marketing of quality lubricants.

Basic Earth Science Systems, Inc. was founded in 1969 and is based in Denver, Colorado.Basic Earth Science Systems, Inc. engages in the exploration, acquisition, development, operation, production, and sale of crude oil and natural gas in the United States. Basic Earth Science Systems, Inc. focuses its activities in the North Dakota and Montana portions of the Williston basin, the Denver-Julesburg basin of Colorado, the southern portions of Texas, and the onshore portions of the Gulf Coast. As of March 31, 2009, Basic Earth Science Systems, Inc. owned working interest in 94 producing oil wells and 36 producing gas wells in the states of North Dakota, Montana, Colorado, Texas, and Wyoming. Basic Earth Science Systems, Inc. estimated proved developed and undeveloped oil and gas reserves were 794,000 barrels of oil equivalent.

HOVENSA is among the top ten largest refineries in the world. The company became the owner and operator of the former Hess Oil Virgin Islands Corp. (HOVIC) refinery on October 30, 1998. HOVIC, a wholly owned Virgin Islands subsidiary of Hess Corporation, was established to construct and operate an oil refinery in coordination with the Virgin Islands Government’s efforts in the 1960’s to diversify the economy of the islands. HOVENSA provides employment to approximately 2,500 people in a culturally diverse workforce through its payroll and that of several maintenance contractors.

CNX Gas Corporation engages in the exploration, development, production, and gathering of natural gas primarily in the Appalachian and Illinois basins, the United States. CNX Gas Corporation primarily develops coalbed methane (CBM), as well as conventional marcellus and other shale gas. CNX Gas Corporation holds rights associated with CBM for 4.5 billion tons of proved coal reserves in northern Appalachia, central Appalachia, the Illinois Basin, and other western basins. As of December 31, 2009, CNX Gas had 1.9 trillion cubic feet equivalent of net proved reserves. CNX Gas Corporation is headquartered in Canonsburg, Pennsylvania. CNX Gas Corporation is a subsidiary of CONSOL Energy Inc.

Pacific Energy Resources Ltd. (TSX: PFE) is a company headquartered in Long Beach, California and is engaged in the acquisition, exploitation, and development of oil and gas properties, primarily in the United States. Pacific Energy Resources Ltd. was formerly named Shamrock Resources. The company specialized in redeveloping mature oil and gas fields by using advanced production technology. Pacific Energy Resources had proved reserves of 50.4 million barrels of oil equivalent. In 2009 the company filed for Chapter 11 bankruptcy protection and subsequently sold all of its assets to creditors.

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