Atlas Resource Partners, L.P. (Atlas Resource Partners) is an independent developer and producer of natural gas, crude oil and natural gas liquids (NGL), with operations in basins across the United States. The Company is a sponsor and manager of investment partnerships, in which it co-invests, to finance a portion of its natural gas and oil production activities. The Company’s production areas include the Barnett Shale and Marble Falls play, Raton Basin, Black Warrior Basin, the Appalachia Basin, including the Marcellus Shale and the Utica Shale, Mississippi Lime and Hunton plays, Chattanooga Shale, the New Albany Shale and Niobrara Shale. Its estimated proved reserves are approximately 1,169 One billion cubic feet equivalent (Bcfe), including the reserves net to its equity interest in its Drilling Partnerships. Of the Company’s estimated proved reserves, approximately 68% were proved developed and approximately 83% were natural gas.