Common use of Open Clause in Contracts

Open. End Mortgage, Indenture, Security Agreement, Financing Statement and Assignment of Production dated December 18, 2006, from Resource Energy, LLC to Wachovia Bank, National Association, Administrative Agent, covering properties in ▇▇▇▇▇▇ County, Ohio.

Open. End Mortgage, Indenture, Security Agreement, Financing Statement and Assignment of Production dated December 18, 2006, from Resource Energy, LLC LLC, and Atlas America, LLC, to Wachovia Bank, National Association, Administrative Agent, covering properties in ▇▇▇▇▇▇ Washington County, Ohio.

Open. End Mortgage, Indenture, Security Agreement, Financing Statement and Assignment of Production dated December 18, 2006, from Resource Energy, LLC, and Atlas Noble, LLC to Wachovia Bank, National Association, Administrative Agent, covering properties in ▇▇▇▇▇▇ Coshocton County, Ohio.

Open. End Mortgage, Indenture, Security Agreement, Financing Statement and Assignment of Production dated December 18, 2006, from Resource Energy, LLC, and Viking Resources, LLC to Wachovia Bank, National Association, Administrative Agent, covering properties in ▇▇▇▇▇▇ County, Ohio.