Atlas Pipeline Partners, L.P. to Present at 2009 Master Limited Partnership Investor Conference

Atlas Pipeline Partners, L.P. (NYSE:APL) announced today that Atlas Pipeline will be presenting at the 2009 Master Limited Partnership Investor Conference on Thursday, September 17^th in Greenwich, CT. Gene Dubay, President and Chief Executive Officer will be presenting for Atlas Pipeline at 11:45 a.m. Eastern Time.

Investors and general public are invited to listen to the live webcast of the presentation at www.atlaspipelinepartners.com under the Event Calendar page of the Investor Relations section of the site.

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, southern Kansas, northern and western Texas and the Texas panhandle, APL owns and operates eight active gas processing plants and a treating facility, as well as approximately 8,750 miles of active intrastate gas gathering pipeline. In Appalachia, APL is a 49% joint venture partner with Williams in Laurel Mountain Midstream, LLC, which manages the natural gas gathering system in that region, including the Marcellus Shale in southwestern Pennsylvania. For more information, visit the Partnership’s website at www.atlaspipelinepartners.com or contact investorrelations@atlaspipelinepartners.com.

Atlas Pipeline Holdings, L.P. is a limited partnership which owns and operates the general partner of Atlas Pipeline Partners, L.P., through which it owns a 2% general partner interest, all the incentive distribution rights and approximately 5.8 million common and 15,000 preferred limited partner units of Atlas Pipeline Partners, L.P.