Atlas Resource Partners, L.P. Announces Pricing of 5.5M Share Public Offering of Common Units at $21.18

Atlas Resource Partners, L.P. (NYSE: ARP) announced today that it has pricedan underwritten public offering of 5,500,000 common units representing limitedpartner interests at an offering price of $21.18. Wells Fargo Securities,Citigroup, Deutsche Bank Securities, J.P. Morgan, Morgan Stanley and RBCCapital Markets are acting as joint book-running managers for this offering.The underwriters have been granted a 30-day option to purchase up to anadditional 825,000 common units. The net proceeds of the offering, assuming noexercise of the over-allotment option, after underwriting discounts andestimated expenses, are approximately $112.1 million.ARP intends to use the net proceeds from this offering to fund itspreviously-announced acquisition of natural gas assets from GeoMet, Inc. andits subsidiaries. Prior to funding the pending acquisition, ARP may use someor all of the net proceeds for general partnership purposes, which may includerepayment of outstanding borrowings under its revolving credit facility.The common units are being offered pursuant to an automatic shelf registrationstatement that ARP previously filed with the SEC. The offering is being madeonly by means of a prospectus supplement and accompanying prospectus. Copiesof the prospectus and accompanying prospectus supplement relating to thesesecurities may be obtained by contacting:Wells Fargo SecuritiesAttn: Equity Syndicate Department375 Park AvenueNew York, NY 10152Phone: (800) 326-5897Email: cmclientsupport@wellsfargo.comCitigroupc/o Broadridge Financial Solutions1155 Long Island AvenueEdgewood, NY 117171-800-831-9146batprospectusdept@citi.comDeutsche Bank Securities Inc.Attn: Prospectus DepartmentHarborside Financial Center100 Plaza OneJersey City, New Jersey 07311Telephone: (800) 503-4611J.P. MorganC/o Broadridge Financial Solutions1155 Long Island AvenueEdgewood, NY 11717Phone: 866-803-9204Morgan StanleyAttn: Prospectus Dept.180 Varick Street, 2nd FloorNew York, NY 10014RBC Capital MarketsAttn: Prospectus Department3 World Financial Center200 Vesey Street, 8th FloorNew York, New York 10281-8098Phone: (877) 822-4089This press release shall not constitute an offer to sell or the solicitationof an offer to buy any securities nor will there be any sale of thesesecurities in any state or other jurisdiction in which such offer,solicitation or sale would be unlawful prior to registration or qualificationunder the securities laws of any such state or other jurisdiction.Atlas Resource Partners, L.P. (NYSE: ARP) is an exploration & productionmaster limited partnership which owns an interest in over 13,000 producingnatural gas and oil wells, located primarily in Appalachia, the Barnett Shale(TX), the Raton Basin (NM) and Black Warrior Basin (AL). ARP is also thelargest sponsor of natural gas and oil investment partnerships in the U.S.Atlas Energy, L.P. (NYSE: ATLS) is a master limited partnership which owns allof the general partner Class A units and incentive distribution rights and anapproximate 37% limited partner interest in its upstream oil & gas subsidiary,Atlas Resource Partners, L.P. Additionally, Atlas Energy owns and operates thegeneral partner of its midstream oil & gas subsidiary, Atlas PipelinePartners, L.P., through all of the general partner interest, all the incentivedistribution rights and an approximate 6% limited partner interest.Cautionary Note Regarding Forward-Looking StatementsThis press release contains forward-looking statements that involve a numberof assumptions, risks and uncertainties that could cause actual results todiffer materially from those contained in the forward-looking statements. ARPcautions readers that any forward-looking information is not a guarantee offuture performance. Such forward-looking statements include, but are notlimited to, statements about future financial and operating results, resourcepotential, ARP's plans, objectives, expectations and intentions and otherstatements that are not historical facts. Risks, assumptions and uncertaintiesthat could cause actual results to materially differ from the forward-lookingstatements include, but are not limited to, those associated with generaleconomic and business conditions; ARP's ability to close the proposed GeoMetacquisition, on the terms described or at all; ARP's ability to obtainrequired consents in order to permit the transfer of the assets included inthe proposed GeoMet acquisition; ARP's ability to obtain the requiredfinancing for the proposed GeoMet acquisition, on desirable terms or at all;the ability to obtain required regulatory approvals for the proposed GeoMetacquisition; ARP's ability to realize the anticipated benefits of the proposedGeoMet acquisition; changes in commodity prices; changes in the costs andresults of drilling operations; uncertainties about estimates of reserves andresource potential; inability to obtain capital needed for operations; ARP'slevel of indebtedness; changes in government environmental policies and otherenvironmental risks; the availability of drilling equipment and the timing ofproduction; tax consequences of business transactions; and other risks,assumptions and uncertainties detailed from time to time in ARP's reportsfiled with the U.S. Securities and Exchange Commission, including quarterlyreports on Form 10-Q, reports on Form 8-K and annual reports on Form 10-K.Forward-looking statements speak only as of the date hereof, and ARP assumesno obligation to update such statements, except as may be required byapplicable law.