ABP Abraxas Petroleum Corp

Abraxas Petroleum Corporation (AMEX:ABP) will announce their first quarter 2008 financial and operating results on May 12, 2008, after the U.S. financial markets close. The corresponding conference call is scheduled for Tuesday, May 13, 2008 at 2:00 p.m. CT. Robert L.G. Watson, President and CEO of Abraxas, will lead the call with a question and answer session to follow. Please dial the toll-free number listed below ten minutes before the scheduled start time to participate in the call: � � � � � 1-888-679-8034 � � � � Passcode: 55710960 The conference call will also be webcast live on the Internet and can be accessed directly on the Company�s website at www.abraxaspetroleum.com under Investor Relations. In addition to the audio webcast replay, a podcast and transcript of the conference call will be posted on the Investor Relations section of the Company�s website approximately 24 hours after the conclusion of the call, and will be accessible for at least 60 days. Abraxas Petroleum Corporation is a San Antonio based crude oil and natural gas exploration and production company with operations principally in Texas and Wyoming. Abraxas Petroleum Corporation also owns a 47% interest in an upstream master limited partnership, Abraxas Energy Partners, L.P., which entitles Abraxas Petroleum Corporation to receive its proportionate share of cash distributions made by Abraxas Energy Partners, L.P.