• Romere Pass Acquisition LLC
• Alon Israel Oil Company, Ltd.
• Baying Ecological Holding Group Inc.
• Shell International Finance B.V.
• Warrior Gas Co.
• Obsidian Energy Ltd.
• Magnum Hunter Resources Corp
• Atlas America Public #15-2005 (A) L.P.
• CNX Gas Corp
• CCBM, Inc
• Atlas America Public #14-2005 (A) L.P.
• Regency Energy Partners LP
• NBL Texas, LLC
• Range Operating Texas, L.L.C.
• Southern Star Energy Inc.
• Gulfslope Energy Inc
• China Daqing M&H Petroleum, Inc.
• Custom Restaurant & Hospitality Group, Inc.
• Atlas America Series 26-2005 L.P.
• Worthington Energy, Inc.
• Advanced Voice Recognition Systems Inc
• BCM Energy Partners Inc.
• Warren Resources of California Inc
• Compton Petroleum Finance CORP
• Chaparral Energy, Inc.
• Markwest Javelina Pipeline CO LLC
• MarkWest Javelina CO LLC
• Canetic Resources Trust
• SandRidge Energy Inc.
• Transmeridian Exploration Inc.
• Trident Resources Corp
• Windsor Energy Resources, Inc.
• GeoMet, Inc.
• NEG, Inc.
• RedHawk Holdings Corp
• Mewbourne Energy Partners 06-A, L.P.
• Mewbourne Energy Partners 07-A, L.P.
• Beaver Creek Pipeline, L.L.C.
• Breitburn GP LLC
• Atlas America Public #15-2006 (B) L.P.
• Breitburn Energy Partners LP
• Breitburn Management Co LLC
• W&T Energy VI, LLC
• W&T Energy VII, LLC
• Atlas Partnership
• Concho Resources Inc
• Legacy Reserves LP
• Petroflow Energy Ltd
• Wholehealth Products, Inc.
• Harvest Oil & Gas Corp.

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