| AMINEX USA, Inc. Blue Flame, L.L.C. Castle Energy Corporation Cheniere Energy, Inc. Cliffwood Oil & Gas Company Contango Oil & Gas Company DDD Energy, Inc. Flare Resources, Inc. Foothill Capital Corporation Ginger Oil Company Georgetown Exploration Company Goodrich Operating Company, Inc. InFlow Petroleum Resources, LP Lusk Nominee Trust Macquarie Americas Corporation Milam Energy, LP Mirant Energy Capital Paloma Resources PANACO, Inc. Pennsylvania Castle Corporation Seneca Resources Corporation Skanska S.A. Southern Company Stratum Group L.P. Texoil Company TNC, Inc. Torch Energy Advisors, Inc. Transworld Exploration and Production, Inc. Union Texas Petroleum Holdings, Inc. United Energy Corporation Universal Seismic Associates, Inc. Washington Mutual Bank Watson Energy
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