Atlas Pipeline Partners, L.P. Announces Pricing of Equity Offering.

PHILADELPHIA -- Atlas Pipeline Partners, L.P. (NYSE:APL) (the "Partnership") announces today that an offering of 2,700,000 of its common units led by Lehman Brothers and including Citigroup, A.G. Edwards, Friedman, Billings, Ramsey, Wachovia Securities, KeyBanc Capital Markets and Sanders Morris Harris was priced on November 21, 2005 at $42.00 per common unit. The Partnership will receive net proceeds of $108.3 million, after underwriting discounts and commissions. Delivery of the proceeds is scheduled for November 28, 2005.

The Partnership has also granted the underwriters an option to purchase an additional 405,000 common units exercisable within thirty days. The option, if fully exercised, would generate an additional $16.2 million in net proceeds for the Partnership.

You may obtain a prospectus by submitting requests to Lehman Brothers, c/o ADP Financial Services, Integrated Distribution Services, 1155 Long Island Avenue, Edgewood, NY 11717, email: [e-mail] or fax [phone].

This news release shall not constitute an offer to sell or a solicitation of an offer to buy nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

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 [e-mail].

Atlas America, Inc. (Nasdaq:ATLS), the parent company of Atlas Pipeline Partners, L.P.'s general partner and owner of 1,641,026 units of limited partner interest of APL, is an energy company engaged primarily in the development and production of natural gas in the Appalachian Basin for its own account and for its investors through the offering of tax advantaged investment programs. For more information, please visit our website at www.atlasamerica.com, or contact investor relations at [e-mail].

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.