PostRock Provides Operational Update

PostRock Provides Operational Update

OKLAHOMA CITY, July 11, 2013 (GLOBE NEWSWIRE) -- PostRock Energy Corporation
(Nasdaq:PSTR) today provided an update on its operations. During the second
quarter, the Company spent approximately $11.9 million on development
projects, primarily targeting oil development and infrastructure. The
Company's debt at June 30 totaled $77.5 million.Oil sales during the quarter
averaged slightly more than 540 Bbls a day, a 50% increase from first quarter
levels and more than double the prior year period. Gas sales during the
period declined 11.7% from the prior year period, to an average of 39.9 MMcf
per day, as the Company has not made material expenditures on gas development
projects in the last 21 months.The gas decline rate is expected to moderate
as the Company's wells move down their decline curve and the fuel savings and
increased reliability to be realized from the compression project

Based on PostRock's realized oil to gas price equivalency ratio of 23:1, the
Company's production in the second quarter increased more than 5% from the
first quarter and it rose more than 2% from the prior year period. This
marked the first quarter over prior year quarter increase in more than four
years. At June 30, approximately 25% of the Company's production was oil
based on the above price equivalency ratio.

During the quarter, 58 new wells and 19 recompletions, all focused on oil,
were placed on production in the Cherokee Basin.Based on current prices and
costs, the estimated average lease level IRR on these projects is believed to
exceed 40%.During the second half of the year, an additional 80 oil wells are
forecasted to be drilled.In addition, the Company will continue to focus on
building out the infrastructure required to efficiently handle its rising oil

By June 30, the Company's acreage position in central Oklahoma was approaching
10,000 net acres, up from 1,500 at the end of last year.During the second
quarter, three recompletions in the area were placed on production.While the
projects are modest in size, in aggregate they are currently contributing
roughly 47 Bbls a day of incremental net production.The estimated IRR on
these projects is believed to exceed 100%.A drilling program that includes
two vertical wells targeting the Hunton, Wilcox and Woodford and other zones,
as well as an initial Hunton horizontal well, will begin later this
month.Depending on results, as many as five additional horizontal wells and
two additional vertical wells may be drilled in central Oklahoma before

Although gas prices have risen significantly in the last 12 months, returns on
the Company's sizeable inventory of gas development projects are not yet
competitive with its oil projects. Consequently, reconfiguring compression
and cost controls continue to be the focus in the gas area.By June 30,
approximately 45% of the Company's Cherokee Basin compression fleet had been
replaced, resulting in fuel savings of approximately 750 Mcf per day.Once the
reconfiguration is complete, which should be achieved in early 2014, fuel use
is expected to have been reduced by 2.5 MMcf per day (representing $3 million
of annual net revenue at current gas prices) and annual compressor rental
costs will have been cut $3.2 million.

Commenting, Terry W. Carter, the Company's President and CEO, said, "Our
Cherokee Basin oil projects continue to do very well and our infrastructure is
steadily catching up.While drilling in central Oklahoma has taken longer to
initiate than we would have liked, we are pleased to finally be getting
underway.Our Cherokee Basin oil projects, the reconfiguration of our gas
compressors and our soon to commence central Oklahoma drilling have the
potential to materially increase the value of the Company.We look forward to
keeping you informed of our progress in the months ahead."

PostRock Energy Corporation is engaged in the acquisition, exploration,
development and production of oil and natural gas, primarily in the Cherokee
Basin of Kansas and Oklahoma. The Company owns and operates over 3,000 wells
and nearly 2,200 miles of gas gathering lines in the Basin. It also owns and
operates oil producing properties in central Oklahoma and minor oil and gas
producing properties in the Appalachian Basin.

Forward-Looking Statements

Opinions, forecasts, projections or statements, other than statements of
historical fact, are forward-looking statements that involve risks and
uncertainties. Forward-looking statements in this announcement are made
pursuant to the safe harbor provisions of the Private Securities Litigation
Reform Act of 1995. Although the Company believes that the expectations
reflected in such forward-looking statements are reasonable, it can give no
assurance that such expectations will prove to be correct. Actual results may
differ materially due to a variety of factors, some of which may not be
foreseen by PostRock. These risks and other risks are detailed in the
Company's filings with the Securities and Exchange Commission, including risk
factors listed in the Company's Annual Report on Form 10-K and other filings
with the SEC. The Company's filings with the SEC may be found at
or By making these forward-looking statements, the Company
undertakes no obligation to update these statements for revisions or changes
after the date of this release.

CONTACT: David J. Klvac
         Chief Financial Officer
         (405) 815-4304

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