Dunn Exploration Company LLC

Constellation Energy Partners is full-service oil and gas limited liability company. It focuses on the acquisition, development and production of long oil and natural gas assets. The company operates 24 hours a day, seven days a week. Its assets include Black Warrior Basin in Alabama, Cherokee Basin in Kansas and Arkoma Basin in Oklahoma. Constellation Energy Partners properties consist of more than 600 producing wells.

Goodrich Petroleum Corporation is an independent oil and gas company engaged in the exploration, exploitation, development and production of oil and natural gas properties located primarily in the Cotton Valley Trend of eastern Texas and northwestern Louisiana and in the transition zone of southern Louisiana. The company owns working interests in more than 130 active oil and gas wells located in more than 15 fields in three states. The company focuses on developing its current properties and aggressively pursuing prospective opportunities. Goodrich Petroleum is a publicly traded company. Its shares are listed on the New York Stock Exchange under the ticker symbol GDP. The company is headquartered in Houston.

Seneca Resources explores for, develops and purchases natural gas and oil reserves in the Gulf Coast Region of Texas and Louisiana, the Appalachian Region, the Rocky Mountain Region, California and the western provinces of Canada. The company is a subsidiary of National Fuel Gas Company, located in Williamsville, N.Y. Seneca was founded in 1976, as a successor to the former Mars Corporation. In July 1994, the oil and gas properties of the National Fuel Gas Supply Corporation and Empire Exploration were merged into Seneca Resources in order to centralize all of the company s oil and gas operations into one company. The company is located in Houston and also owns a Canadian subisidiary, Seneca Energy Canada, headquartered in Calgary, Alberta.