PITTSBURGH, July 27, 2015 /PRNewswire/ -- Atlas Resource Partners, L.P. ("ARP") (NYSE: ARP) announces that its syndicated lending group has reaffirmed the borrowing base of $750 million on ARP's senior secured revolving credit facility.

Atlas Resource Partners, L.P. (NYSE: ARP) is an exploration & production master limited partnership which owns an interest in over 14,500 producing natural gas and oil wells, located primarily in Appalachia, the Barnett Shale (TX), the Mississippi Lime (OK), the Eagle Ford Shale (TX), the Raton Basin (NM), Black Warrior Basin (AL) and the Rangely Field (CO).  ARP is also the largest sponsor of natural gas and oil investment partnerships in the U.S. For more information, please visit our website at www.atlasresourcepartners.com, or contact Investor Relations at InvestorRelations@atlasenergy.com.

Atlas Energy Group, LLC (NYSE: ATLS) is a master limited partnership which owns the following interests: all of the general partner interest, incentive distribution rights and an approximate 26% limited partner interest in its upstream oil & gas subsidiary, Atlas Resource Partners, L.P.; the general partner interests, incentive distribution rights and limited partner interests in its private E&P development subsidiary; and a general partner interest in Lightfoot Capital Partners, an entity that invests directly in energy-related businesses and assets. For more information, please visit our website at www.atlasenergy.com, or contact Investor Relations at InvestorRelations@atlasenergy.com.

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SOURCE Atlas Resource Partners, L.P.