UPDATE: Atlas Resource Partners Announces Public Offering of 1.837M Common Units

Atlas Resource Partners, L.P.

announced today that it has commenced an underwritten public offering of 12,250,000 common units representing limited partner interests. Wells Fargo Securities, BofA Merrill Lynch, Citigroup, Deutsche Bank Securities, J.P. Morgan, Morgan Stanley and RBC Capital Markets are acting as joint book-running managers for this offering. The underwriters have been granted a 30-day option to purchase up to an additional 1,837,500 common units. ARP intends to use the net proceeds from this offering to fund a portion of its acquisition of natural gas assets from EP Energy. Prior to funding the pending acquisition, ARP may use some or all of the net proceeds for general partnership purposes, which may include repayment of outstanding borrowings under its revolving credit facility. The offering is being made only through the prospectus supplement and accompanying prospectus, which is part of a registration statement that became effective on April 13, 2012. This press release shall not constitute an offer to sell or the solicitation of an offer to buy any securities nor will there be any sale of these securities in any state or other 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 other jurisdiction.