Daniel J. Kortum

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 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.