Exterra Energy Successfully Fracs RSK-Star #6 Barnet Shale Gas Well

HOUSTON, TEXAS -- (MARKET WIRE) -- 07/22/08

Exterra Energy Inc. (OTCBB: EENR) announced today the successful fracture stimulation of the RSK-Star #6 well on June 18 , 2008.

The well is situated in Wise County, Texas, within the core area of the Newark, East Barnett Shale gas field of North Texas.

On June 24th, the well commenced gas sales at 550 Mcf per day on a 24/64" choke. Production flow is up the casing due to tubing shortages. As of July 21st, gas sales have stabilized at approximately were 320 Mcf per day with a flowing casing pressure of 350 psi on a 30/64" choke.

The installation of production tubing is planned which will allow the continued recovery of frac fluids and enhance the daily gas rates.

Exterra Energy owns a 21.1% Working Interest (15.61% Net Revenue Interest) in the RSK-Star #6. The RSK-Star lease consists of 264.9 acres with six (6) producing Barnett Shale gas wells. Exterra owns varying working interest in each of those six producing wells. Three (3) additional Barnett Shale drill sites have been identified, which were delineated by a 3D seismic survey over the acreage.

"The successful fracing of the RSK-Star#6 well is a key component of Exterra's continued operations within the core area of the North Texas Barnet Shale gas field," stated CEO John Punzo. "The Barnett Shale gas field is undoubtedly one of the largest producing gas fields in the continental U.S. today, and Exterra is committed to developing and expanding its acreage and assets within the core area of the field."

About Exterra Energy Inc.

Exterra Energy Inc. is an emerging oil and gas exploration and production company based in Houston, Texas. Exterra is primarily active in the Barnett Shale gas field in Texas and now holds an undivided interest in approximately 17,500 gross acres of leases in the Newark East (Barnett Shale) area with over fifty wells producing on the acreage.

The Company is also active in West Texas with twelve 10-acre oil and gas well sites in Pecos County.

The Company and its representatives may from time to time make written or oral forward-looking statements, including statements contained in the Company's filings with the SEC and in its reports to shareholders. One can identify these forward-looking statements by use of words such as "strategy", "expects", "plans", "anticipates", "believes", "will", "continues", "estimates", "intends", "projects", "goals", "targets" and other words of similar meaning. One can also identify them by the fact that they do not relate strictly to historical or current facts. These statements are based on our assumptions and estimates and are subject to risks and uncertainties. In connection with the "safe harbor" provisions of the Private Securities Litigation Reform Act of 1995, the Company is hereby identifying important factors that could cause actual results and outcomes to differ materially from those contained in any forward-looking statement made by or on behalf of the Company.

Contacts:
Exterra Energy Inc.
James Romano
(817) 980-8079
Website: www.exterraenergyinc.com

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