Atlas Energy Resources, LLC to Present at 2008 Master Limited Partnership Investor...

Atlas Energy Resources, LLC to Present at 2008 Master Limited Partnership Investor Conference

PITTSBURGH, Pa.--(Business Wire)--
Atlas Energy Resources, LLC (NYSE:ATN) ("Atlas Energy") announces
today that Atlas Energy will be presenting at the 2008 Master Limited
Partnership Investor Conference on Thursday, May 22nd in New York, NY.
Rich Weber, President and Chief Operating Officer will be presenting
for Atlas Energy at 10:45 a.m. Eastern Time.

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

Atlas Energy Resources, LLC develops and produces domestic natural
gas and to a lesser extent, oil. Atlas Energy is one of the largest
independent energy producers in the Appalachian Basin and northern
Michigan. Atlas Energy sponsors and manages tax-advantaged investment
partnerships, in which it co-invests, to finance the exploration and
development of the Company's acreage in the Appalachian Basin. Atlas
Energy is active principally in Pennsylvania, Michigan and Tennessee.
For more information, visit Atlas Energy's website at
www.atlasenergyresources.com or contact Investor Relations at
bbegley@atlasamerica.com.

Atlas Energy Resources, LLC
Brian Begley
Investor Relations
(215) 546-5005
(215) 553-8455 (fax)

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