Cornerstone Capital Resources Inc.
PINK SHEETS : CTNXF
TSX VENTURE : CGP
FRANKFURT : GWN
BERLIN : GWN

Cornerstone Capital Resources Inc.

August 21, 2009 08:01 ET

Cornerstone and Thundermin File Technical Report on Little Deer Mineral Resources

MOUNT PEARL, NEWFOUNDLAND AND LABRADOR--(Marketwire - Aug. 21, 2009) - Cornerstone Capital Resources Inc. ("Cornerstone") (TSX VENTURE:CGP)(FRANKFURT:GWN)(BERLIN:GWN) (PINK SHEETS:CTNXF) and 50% joint venture partner Thundermin Resources Inc. ("Thundermin") (TSX:THR) announce that a National Instrument 43-101 ("NI 43-101") Technical Report, to support the mineral resource estimate for the Little Deer Copper Deposit ("Deposit") that was disclosed on July 7, 2009, has been filed on SEDAR and posted on each company's respective website.

The Mineral Resource Estimate and the Technical Report entitled "Technical Report on the Initial Mineral Resource Estimate for the Little Deer Copper Deposit, Newfoundland, Canada, August 14, 2009" were prepared by Mr. Reno Pressacco, M.Sc.(A), P.Geo., Senior Geologist with Micon International Limited ("Micon") of Toronto, Ontario and an independent Qualified Person ("QP") in accordance with NI 43-101.

As reported on July 7, 2009, Micon estimated that the Deposit contains indicated mineral resources of 1,087,000 tonnes at an average grade of 2.9% Cu and inferred mineral resources of 1,950,000 tonnes at an average grade of 2.3% Cu.

A $900,000 diamond drilling program, announced on February 25, 2009 for the first half of 2009, was completed at the end of July 2009. Four holes from this program, that were not included in the mineral resource estimate, have been completed and the results for these holes will be announced once all of the assay data has been received and analyzed.

About Cornerstone

Cornerstone Capital Resources Inc. is a mineral exploration company based in Mount Pearl, Newfoundland & Labrador, Canada, with a diversified portfolio of projects in Canada and Ecuador and a strong technical team that has proven its ability to identify, acquire and advance properties of merit. The company's business model is based on generating exploration projects whose subsequent development is funded primarily through joint venture partnerships.

Cautionary Notice:

Certain statements contained in this press release may be considered as forward-looking. Such forward-looking statements are subject to risks and uncertainties that could cause actual results to differ materially from estimated or implied results. While Cornerstone anticipates that subsequent events may cause its views to change, it expressly disclaims any obligation to update the Forward-Looking Statements contained herein.

On Behalf of the Board,

Colin B. McKenzie, President & CEO

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

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