Jeffrey C. Simmons

Atlas America, Inc. engages in the development, production and transportation of natural gas and oil in western New York, eastern Ohio, western Pennsylvania and Tennessee. The company, through its wholly owned subsidiary transports natural gas from wells to interstate pipelines and end users as well as operates a natural gas processing facility. The company has reserves of approximately 171.6 billion cubic feet of natural gas equivalents. The company was incorporated in 2000 and is headquartered in Moon Township, PA.

Atlas America Series 25-2004 B LP provides crude petroleum and natural gas services. The company drills and operates natural gas development wells located in Pennsylvania and Tennessee. It was founded in January, 2004 and is headquartered in Moon Township, PA

Resource America, Inc. is an asset management company, which engages in real estate and credit investments. Its objective is to be best in class among asset managers in the real estate and credit sectors as measured by returns to investors and the funds and businesses it manages. The company was founded in 1966 and is headquartered in Philadelphia, PA.

Atlas Energy Corp. engages in the exploration of oil and natural gas. The company is headquartered in Las Vegas, NV.

Atlas Resources Public 16-2007 (A) LP engages in the drilling of oil and gas wells. The company was founded on September 15, 2006 and is headquartered in Pittsburgh, PA.

Atlas Resources Public 18-2009 (B) LP operates and drills oil and gas wells. It manages wells located in Pennsylvania, Tennessee, Michigan and Indiana. The firm also offers petroleum products to its customers. The company was founded on April 8, 2008 and is headquartered in Pittsburgh, PA.

Atlas Resources Public 18-2009 (C) LP explores and produces oil and natural gas. The company was founded on June 9, 2009 and is headquartered in Pittsburgh, PA.

Atlas Resource Partners LP is an exploration and production master limited partnership. It develops and produces natural gas, crude oil and natural gas liquids, with operations in basins across the United States. The company also sponsors and manages tax-advantaged investment partnerships, in which it co-invests, to finance a portion of natural gas and oil production activities. It also operates its business through following segments: Oil & Gas production, Well construction & completion and Other partnership management. Atlas Resource Partners was founded in October 2011 and is headquartered in Pittsburgh, PA.