Atlas Resource Partners, L.P. (NYSE: ARP) announces today that it will release results for the fourth quarter and full year 2012 on Thursday, February 21, 2013 after market hours, and invites investors and other interested parties to listen to the live webcast of its quarterly conference call on Friday, February 22, 2013, at 9:00am ET. This call is being webcast live and can be accessed by investors and other interested parties from the Investor Relations section of Atlas Resource Partners’ website at www.atlasresourcepartners.com. For those unavailable to listen to the live broadcast, the replay of the webcast will be available following the live call on the website and telephonically beginning at 11:00a.m. ET on February 22, 2013 by dialing 888-286-8010, passcode: 12321370. Atlas Resource Partners, L.P. (NYSE: ARP) is an exploration & production master limited partnership which owns an interest in over 10,100 producing natural gas and oil wells, primarily in Appalachia and the Barnett Shale in Texas. 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.