Atlas Pipeline Partners, L.P. Announces Fourth Quarter and Year End 2004 Earnings Release and Conference Call.

PHILADELPHIA -- Atlas Pipeline Partners, L.P., (NYSE:APL) announced today that it will release its Fourth Quarter and Year End results after market hours on Friday, March 11, 2005 will hold its quarterly conference call to discuss fourth quarter and year end results on Monday, March 14, 2005, at 10:00 a.m. Eastern Time. This call is being webcast live and can be accessed by investors and other interested parties 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 11:30 a.m. on March 14, 2005 until midnight on April 14, 2005, by dialing 888 286 8010, passcode 37868446.

Atlas Pipeline Partners, L.P. is engaged in the gas gathering and processing segment of the mid-stream natural gas industry. In Appalachia, it owns and operates more than 1,400 miles of natural gas gathering pipelines in western Pennsylvania, western New York and eastern Ohio to which more than 4,250 wells are currently connected. In the mid-continent region of southern Oklahoma and northern Texas, APL owns and operates approximately 1,900 miles of gas gathering pipeline. APL currently transports approximately 65 million cubic feet of gas per day to its gas processing facility in Velma, Oklahoma where natural gas liquids (NGL) are removed. Atlas America, Inc. (Nasdaq:ATLS) is the owner of the Partnership's general partner, and owns 1,641,026 limited partnership units of APL. For more information, please visit our website at www.atlaspipelinepartners.com, or contact [e-mail].