Abraxas Announces Spring Borrowing Base Redetermination and Presentation at IPAA OGIS New York

SAN ANTONIO–(BUSINESS WIRE)–Abraxas Petroleum Corporation (“Abraxas” or the “Company”) (NASDAQ:
AXAS) today announced that the borrowing base under the Company’s
revolving credit facility was increased $40 million to $175 million in
connection with the Company’s spring borrowing base redetermination. At
quarter end March 31, 2018 Abraxas was $104 million drawn on the credit
facility with an estimated $5.5 million in cash, providing estimated pro
forma liquidity of $76.5 million.

Abraxas will be presenting at the IPAA OGIS New York on April 9, 2018 at
11:05am ET. A live webcast of this presentation can be accessed under
the investor relations portion of Abraxas’ website at www.abraxaspetroleum.com.

Bob Watson, President and CEO of Abraxas, commented, “Our significant
reserve growth in the fourth quarter of 2017 drove a $40 million
increase in our credit facility. This result further demonstrates the
tremendous success our team has had in executing on our business plan.
We would like to thank all the members of our bank group for their
continued support of the Company. Our new $175 million borrowing base
provides more than adequate liquidity for us to continue to execute on
our business plan.”

Abraxas Petroleum Corporation is a San Antonio based crude oil and
natural gas exploration and production company with operations across
the Rocky Mountain, Permian Basin and South Texas 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.

Contacts

Abraxas Petroleum Corporation
Geoffrey King, 210-490-4788
Vice
President – Chief Financial Officer
[email protected]
www.abraxaspetroleum.com