Atlas Pipeline Partners Prices $325 Million Offering of Senior Notes Due 2020

Atlas Pipeline Partners, L.P.

and its subsidiary, Atlas Pipeline Finance Corporation, announced today that it has priced a private offering of $325 million aggregate principal amount of 6.625% Senior Notes due 2020. The aggregate principal amount was increased from the previously announced aggregate principal amount of $300 million. The notes were priced at par and the Partnership intends to use the net proceeds from this offering of approximately $319.1 million to repay a portion of the outstanding indebtedness under its revolving credit facility. The sale of the notes is expected to settle on September 28, 2012, subject to customary closing conditions. The notes will not be registered under the Securities Act of 1933 or the securities laws of any state and may not be offered or sold in the United States absent registration or an applicable exemption from the registration requirements under the Securities Act and applicable state securities laws. The notes may be resold by the initial purchasers pursuant to Rule 144A and Regulation S under the Securities Act. This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state in which the offer, solicitation or sale would be unlawful prior to the registration or qualification under the securities laws of any such state. Atlas Pipeline Partners, L.P.

is active in the gathering and processing segments of the midstream natural gas industry. In Oklahoma, southern Kansas, northern and western Texas, and Tennessee, APL owns and operates nine active gas processing plants as well as approximately 9,700 miles of active intrastate gas gathering pipeline. APL also has a 20% interest in West Texas LPG Pipeline Limited Partnership, which is operated by Chevron Corporation. For more information, visit the Partnership's website at www.atlaspipeline.com or contact IR@atlaspipeline.com.