Atlas Resource Partners L.P.

Atlas Resource Partners L.P. is an exploration and production master limited partnership active in oil and gas production in the Barnett Shale, the Appalachian Basin, the Raton Basin, the Black Warrior Basin and the Mississippi Lime. The company owns an interest in over 12,000 producing natural gas and oil wells, representing ~1.4 Tcf eq net proved reserves. Additionally, Atlas Resource Partners is a leading sponsor for tax-advantaged direct natural gas and oil investment partnerships in the United States, a business that it has operated for over 40 years through several Atlas entities.