Atlas Energy, L.P. and Atlas Pipeline Partners, L.P. 2010 Annual Reports Now Available

Atlas Energy, L.P. (NYSE: AHD) and Atlas Pipeline Partners, L.P. (NYSE: APL) announced today that their 2010 annual reports are now available to the general public.

Atlas Energy and Atlas Pipeline unitholders and other interested investors are able to obtain an electronic copy of the annual reports on the respective partnerships’ websites in the Investor Relations section. In addition, hard copies of the annual reports may be ordered by calling [phone], or by completing a request form in the Investor Relations section of the partnerships’ respective websites on the “Information Request” page.

Atlas Energy, L.P. (NYSE: AHD) is a master limited partnership which 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. Additionally, AHD owns an interest in over 8,500 producing natural gas and oil wells, representing over 185 Bcfe of net proved developed reserves. For more information, please visit our website at www.atlasenergy.com, or contact Investor Relations at [e-mail].

Atlas Pipeline Partners, L.P. (NYSE: APL) is active in the gathering and processing segments of the midstream natural gas industry. In the Mid-Continent region of Oklahoma, southern Kansas, and northern and western Texas, APL owns and operates five active gas processing plants as well as approximately 8,600 miles of active intrastate gas gathering pipeline. For more information, visit the Partnership's website at www.atlaspipeline.com or contact [e-mail].