Atlas Energy, L.P.’s Edward E. Cohen Awarded 2010 Executive of the Year by Oil and Gas Investor Magazine

Atlas Energy, L.P. (NYSE: ATLS) announces today that Edward E. Cohen, Chief Executive Officer of ATLS, has been awarded "2010 Executive of the Year” by Hart Energy Publishing for his accomplishments in the last year. Mr. Cohen will be accepting this award at the Energy Capital Conference hosted by Hart Energy on Thursday, June 2^nd, 2011 at the Omni Hotel in Houston, TX.

Mr. Cohen led Atlas Energy through several significant transactions over the last year. In April of 2010, Atlas Energy entered into a $1.7 billion joint venture with Reliance Industries of India in order to further develop and accelerate Atlas’ Marcellus Shale position. Following the joint venture, Atlas Energy, Inc. announced in November 2010 that it would be acquired by Chevron Corporation (NYSE: CVX) for $4.3 billion, a transaction which closed in February 2011. Atlas Energy, Inc. shares grew over 800% in value from its initial public offering in May 2004, and Atlas Energy, L.P., formerly named Atlas Pipeline Holdings, L.P., and Atlas Pipeline Partners, L.P. (NYSE: APL) also provided strong returns for shareholders in 2010, with returns of approximately 120% and 150% last year, respectively.

Following the Chevron transaction, Mr. Cohen continues to preside over Atlas Energy, L.P. as Chief Executive Officer and over Atlas Pipeline as Chairman of the Managing Board. Atlas Energy, L.P. is a master limited partnership which owns the general partner of Atlas Pipeline, as well as an interest in over 8,500 producing natural gas & oil wells.

Leslie Haines, Editor in Chief of Hart Energy’s Oil and Gas Investor, commented, "We at Hart Energy are pleased to honor as Executive of the Year longtime Appalachian Basin entrepreneur Ed Cohen. Under his leadership, Atlas created substantial value for its shareholders over the past several years. Now, Mr. Cohen is rebooting Atlas’ remaining midstream and E&P assets, and we look forward to recognizing more accomplishments from Mr. Cohen in the future.”

Atlas Energy, L.P. (NYSE: ATLS) is a master limited partnership which owns an interest in over 8,500 producing natural gas and oil wells, representing over 185 Bcfe of net proved developed reserves. Additionally, Atlas Energy owns and operates the general partner of Atlas Pipeline Partners, L.P. (NYSE: APL), through which it owns a 2% general partner interest, all the incentive distribution rights and approximately 5.75 million common limited partner units of APL. For more information, please visit our website at www.atlasenergy.com, or contact Investor Relations at InvestorRelations@atlasenergy.com.