Atlas Pipeline Partners, L.P. to Report Operating Results for First Fiscal Quarter 2006 and to Host Conference Call and Webcast.

PHILADELPHIA -- Atlas Pipeline Partners, L.P. (NYSE: APL), announced today that it will release its first quarter 2006 results after market hours on Tuesday, May 2, 2006 at 5:00 p.m., and invites investors and other interested parties to listen to the live webcast of its quarterly conference call on Wednesday, May 3, 2006, at 9:00 a.m. Eastern Time ("ET"), 8:00 a.m. Central Time.

This call is being webcast live and can be accessed from the home page of the Company's website at www.atlaspipelinepartners.com. For those unavailable to listen to the live broadcast, the replay of the webcast will be available following the live call on the Atlas Pipeline Partners website and telephonically beginning at 11:00 a.m. ET on May 3, 2006 until midnight ET on June 3, 2006, by dialing: 888-286-8010, passcode -- 64794462.

Atlas Pipeline Partners, L.P., (NYSE: APL) is active in the gas gathering and processing segment of the mid-stream natural gas industry. In the Mid-Continent region of Oklahoma and northern Texas, APL owns and operates approximately 2,200 miles of gas gathering pipeline. APL transports approximately 320 million cubic feet of gas per day from more than 880 receipt points or wells to its gas processing and treating facilities in Velma, Elk City and Prentiss, Oklahoma where natural gas liquids (NGL) and impurities are removed. APL then sells the resulting residue gas and NGL and remits a portion of those proceeds to the producer. In Appalachia, it owns and operates more than 1,440 miles of natural gas gathering pipelines in western Pennsylvania, western New York and eastern Ohio to which more than 4,850 wells are currently connected. APL gathers approximately 58 million cubic feet ("mmcf") of gas per day from these wells. In the Mid-Continent and in Appalachia the fees paid to APL are based on a percentage of the gross selling price of the gas or NGL, fixed fee per mcf transported or on percent of index. For more information, visit our website at www.atlaspipelinepartners.com or contact [e-mail]