Abraxas Petroleum Corporation (“Abraxas” or the “Company”) (NASDAQ:AXAS) will host its third quarter 2019 earnings conference call on Tuesday, November 12, 2019 at 3 PM Central Time (4 PM Eastern Time). This change was made due to Monday being Veteran’s Day. Abraxas plans to announce third quarter 2019 operating and financial results the morning of Tuesday, November 12, 2019.

The conference call can be accessed by dialing 844.347.1028 and entering conference code 4529436. A live webcast of the conference call can be accessed under the “Investor Relations” portion of the Company’s website at www.abraxaspetroleum.com. If you are unable to participate in the live conference call, a replay will be available through December 11, 2019 and can be accessed by dialing 855.859.2056 and entering conference code 4529436.

Abraxas Petroleum Corporation is a San Antonio based crude oil and natural gas exploration and production company with operations across the Rocky Mountain and Permian Basin regions of the United States.

Safe Harbor for forward-looking statements: Statements in this release looking forward in time involve known and unknown risks and uncertainties, which may cause Abraxas’ actual results in future periods to be materially different from any future performance suggested in this release. Such factors may include, but may not be necessarily limited to, changes in the prices received by Abraxas for crude oil and natural gas. In addition, Abraxas’ future crude oil and natural gas production is highly dependent upon Abraxas’ level of success in acquiring or finding additional reserves. Further, Abraxas operates in an industry sector where the value of securities is highly volatile and may be influenced by economic and other factors beyond Abraxas’ control. In the context of forward-looking information provided for in this release, reference is made to the discussion of risk factors detailed in Abraxas’ filings with the Securities and Exchange Commission during the past 12 months.

Steve Harris/Vice President – Chief Financial Officer Telephone 210.490.4788 sharris@abraxaspetroleum.com www.abraxaspetroleum.com