Corporate Profile

Atlas Energy Resources, LLC develops and produces domestic natural gas and oil and is one of the largest independent energy producers in the Eastern United States.

Atlas Energy sponsors and manages tax–advantaged investment partnerships, in which it co–invests, to finance the development of its acreage.

NOTICE OF CORPORATE MERGER

On September 29, 2009, Atlas Energy Resources, LLC (“ATN”) completed a merger whereby it became a wholly-owned subsidiary of its parent company, Atlas America, Inc. In conjunction with the merger, all ATN unitholders received 1.16 shares of ATLS stock for each ATN unit owned. Atlas America, Inc. has changed its name to Atlas Energy, Inc. (NASDAQ: ATLS) and continues to trade on the NASDAQ under Atlas America’s ticker symbol, “ATLS”. Atlas Energy, Inc. will continue to be one of the leading natural gas production companies in Appalachia and Michigan, as well as one of the leading producers in the Marcellus Shale in southwestern Pennsylvania. Atlas Energy, Inc.’s new website, www.atlasenergy.com, will be launched shortly. Please direct all further inquiries to InvestorRelations@atlasamerica.com.

Affiliated Companies

Atlas America Atlas Pipeline Partners Atlas Pipeline Holdings
Latest News

November 6, 2009
Atlas Energy, Inc. Reports Operating and Financial Results for the Third Quarter 2009

November 3, 2009
Atlas Energy Continues Successful Horizontal Marcellus Shale Well Development in Fayette County, Pennsylvania and Reaffirms Production Guidance

September 28, 2009
Atlas Energy Resources, LLC To Present at the IPAA Oil and Gas Investment Symposium

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