**** IMPORTANT REMINDER ****
Dear Fellow Abraxas Petroleum Corporation Stockholder:
By now, you should have received your proxy material for the Annual Meeting of Stockholders of Abraxas Petroleum Corporation, which is scheduled to be held on July 13, 2021.
Each stockholder’s vote is extremely important. There are six proposals on the agenda and your Board recommends that you vote in favor of each proposal.
PLEASE VOTE TODAY
The fastest and easiest way to vote is by telephone or over the Internet. Instructions on how to vote your shares over the telephone or Internet are enclosed with this letter.
If you have questions or need help voting your shares, please call our proxy solicitation firm, Morrow Sodali LLC, at 1-800-607-0088.
Thank you for your investment in Abraxas Petroleum Corporation and taking the time to vote your shares.
Sincerely,
Robert L.G. Watson
Chairman of the Board, President,
and Chief Executive Officer