Atlas Pipeline Partners, L.P. Amends Revolving Credit Agreement

Atlas Pipeline Partners, L.P. (NYSE: APL) (the "Partnership") yesterday entered into an amendment to its revolving credit agreement, dated April 14, 2005, with Wachovia Bank, N.A., and the other lenders in the syndicated facility. The amendment to the agreement:

--  extended the maturity date of the credit facility from April 13, 2010
    to June 29, 2011;
--  reduced the applicable margin, which is a component of the interest
    rate at which the Partnership's borrowings under the credit facility bear
    interest, by 0.5%;
--  reduced the commitment fee;
--  changed the ratio of senior secured debt to EBITDA that the
    Partnership is required to maintain to 4.0 and permits an automatic
    increase in the ratio to 4.5 for up to three quarters after an acquisition
    of assets by the Partnership; and
--  changed the ratio of funded debt to EBITDA that the Partnership is
    required to maintain to 5.25 and permits an automatic increase in the ratio
    to 5.75 for up to three quarters after an acquisition.
    

Atlas Pipeline Partners, L.P. is active in the transmission, gathering and processing segments of the midstream natural gas industry. In the Mid-Continent region of Oklahoma, Arkansas, northern Texas and the Texas panhandle, the Partnership owns and operates approximately 2,565 miles of intrastate gas gathering pipeline and a 565-mile interstate natural gas pipeline. The Partnership also operates two gas processing plants and a treating facility in Velma, Elk City and Prentiss, Oklahoma where natural gas liquids and impurities are removed. In Appalachia, it owns and operates approximately 1,500 miles of natural gas gathering pipelines in western Pennsylvania, western New York and eastern Ohio. For more information, visit our website at www.atlaspipelinepartners.com or contact bbegley@atlaspipelinepartners.com.

Statements made in this release include forward-looking statements, which involve substantial risks and uncertainties. The Partnership's actual results, performance or achievements could differ materially from those expressed or implied in this release as a result of certain factors, including competition within the energy industry, climactic conditions and the price of gas in the Appalachian and Mid-Continent areas, actual versus projected volumetric production from wells connected to the Partnership's gas-gathering pipeline system, and the cost of supplies and services in the energy industry.