Abraxas Files IPO

Abraxas Energy Partners, L.P. filed a registration statement with the U.S. Securities and Exchange Commission relating to a proposed initial public offering of its common units. A.G. Edwards & Sons, Inc. will act as book-running manager and representative of the underwriters. A registration statement relating to these securities has been filed with the U.S. Securities and Exchange Commission but has not yet become effective. These securities may not be sold nor may offers to buy be accepted prior to the time the registration statement becomes effective. This press release shall not constitute an offer to sell or a solicitation of an offer to buy common units of Abraxas Energy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state.