The presentation is scheduled to begin at 4:20 p.m. Pacific Time (7:20 p.m. Eastern Time) on Monday, October 1, 2007. The live audio webcast with the corresponding PowerPoint presentation will be available at http://www.vcall.com/IC/CEPage.asp?ID=121024 and on the Company’s web site, http://www.abraxaspetroleum.com, under Investor Relations. The webcast including the slide presentation will be archived on the Company’s web site for 60 days.

Abraxas Petroleum Corporation is a San Antonio-based crude oil and natural gas exploration and production company with operations in Texas and Wyoming.

Abraxas Petroleum Corporation, San Antonio
Barbara M. Stuckey, 210-757-9835
Vice President - Corporate Development
Fax: 210-490-8816
bstuckey@abraxaspetroleum.com
www.abraxaspetroleum.com