Joel S. Heiser

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.

Atlas Growth Partners LP engages in the production of natural gas and oil. It focuses on the development and growth of energy enterprises. The company was founded in February 2013 and is headquartered in Philadelphia, PA.

Bricker & Eckler LLP provides legal services. The company is based in Columbus, OH and has subsidiaries in United States.

Part of EXCO Resources, Inc., EXCO Resources (PA) LLC is a company based in Harrisburg, PA.

Atlas Pipeline Holdings GP LLC provides mid stream energy services. It is engaged in transmission, gathering and processing of natural gas in the mid-continent primarily Oklahoma, Arkansas, Texas and Appalachian. The company is located in Philadelphia, PA.

Titan Energy LLC engages in the development and production of natural gas, crude oil and natural gas liquids. It operates through the following segments: Gas and Oil Production and Drilling Partnership Management. The Gas and Oil Production segment comprises of production operations in Eagle Ford Shale, Coalbed Methane, Appalachia Basin and Mid-Continent assets. The Drilling Partnership Management segment includes well construction and completion, administration and oversight, well services and gathering and processing. The company was founded in October 2011 and is headquartered in Fort Worth, TX.

Atlas Energy Group LLC is an energy management company, which engages in the acquisition and development of upstream and midstream oil and gas assets. It operates through the following segments: Atlas Resource Partners, Atlas Growth Partners, and Corporate and Other. The company was founded in October, 2011 and is headquartered in Fort Worth, TX.