Abraxas Provides First Quarter 2013 Conference Call Information

  Abraxas Provides First Quarter 2013 Conference Call Information

Business Wire

SAN ANTONIO -- April 29, 2013

Abraxas Petroleum Corporation (NASDAQ:AXAS) will host its first quarter 2013
earnings conference call on Friday, May 10, 2013 at 10 a.m. Central Time (11
a.m. Eastern Time). Abraxas plans to announce first quarter operating and
financial results prior to the call.

The conference call can be accessed by dialing 888.713.4205 and entering
conference code 41659005. 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 June 7, 2013 and can be
accessed by dialing 888.286.8010 and entering conference code 76684456.

Abraxas Petroleum Corporation is a San Antonio based crude oil and natural gas
exploration and production company with operations across the Rocky Mountain,
Mid-Continent, Permian Basin and onshore Gulf Coast regions of the United
States and in the province of Alberta, Canada.

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.

Contact:

Abraxas Petroleum Corporation
Geoffrey King, 210-490-4788
Vice President – Chief Financial Officer
gking@abraxaspetroleum.com
www.abraxaspetroleum.com