PGRX Drilling Update: In-fill Drilling Program Meeting Targets

  PGRX Drilling Update: In-fill Drilling Program Meeting Targets

Business Wire

DENVER -- September 4, 2013

Prospect Global Resources Inc. (NASDAQ: PGRX) (“Prospect Global” or the
“Company”) is pleased to provide an update on its previously announced in-fill
drilling program.

As of the date of this announcement, the Company has successfully completed 7
drill holes, three of which were “step-outs” targeted to expand the existing
resource base. All four in-fill drilling holes completed during the current
campaign have hit visible KR-2 seam potash and two out of the three step-out
drill holes hit visible KR-2 seam potash, thus expanding the resource base.

In addition, five drill holes are currently at various stages of completion at
depths greater than 1,000 feet and a sixth drill hole was at a depth of 520
feet as of Tuesday morning. The Company is close to meeting the first
development milestone covenant under its debt agreement of having to complete
8 holes by November 1^st.

“The results are very pleasing and we’re on track to convert a significant
amount of our existing inferred resources to the measured and indicated
categories for inclusion in our Definitive Feasibility Study,” said Prospect
Global’s President and CEO Damon Barber. “In addition, the success we’ve had
in hitting potash with the step-out drilling will add to the existing resource
base and potentially the mine life. We are readying the first batch of samples
to send to SRC for assaying and look forward to receiving the results.”

Regarding Forward-Looking Statements

With the exception of historical matters, the matters discussed in this press
release include forward-looking statements that involve risks and
uncertainties that could cause actual results to differ materially from
projections or estimates contained herein. Such forward-looking statements
include statements regarding current and future classification of Prospect
Global’s potash resources, development of its potash resources and potash
mining facility and the Pre-Feasibility Study. Factors that could cause actual
results to differ materially from projections or estimates include, among
others, potash prices, economic and market conditions, and the additional
risks described in Prospect Global's filings with the SEC, including Prospect
Global's Annual Report on Form 10-K/A for the year ended March 31, 2013. Most
of these factors are beyond Prospect Global's ability to predict or control.
The forward-looking statements are made as of the date hereof and, except as
required under applicable securities legislation, Prospect Global does not
assume any obligation to update any forward-looking statements. Readers are
cautioned not to put undue reliance on forward-looking statements.

About Prospect Global Resources Inc.

Prospect Global Resources Inc. is a Denver-based company engaged in the
exploration and development of a potash mine located in the Holbrook Basin of
eastern Arizona. Prospect Global’s stock is traded on the NASDAQ Capital
Market under the ticker symbol PGRX.

Additional details about Prospect Global Resources Inc. can be viewed at the
Company’s website,

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Prospect Global Resources Inc.
Gregory M. Dangler, CFO
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