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

Cornerstone Capital Resources Inc.

May 15, 2008 16:30 ET

Cornerstone and Thundermin Intersect 3.1% Copper Over 7.2 Metres on the Little Deer Joint Venture, Newfoundland

MOUNT PEARL, NEWFOUNDLAND--(Marketwire - May 15, 2008) - Cornerstone Capital Resources Inc. (TSX VENTURE:CGP) (PINK SHEETS:CTNXF) (FRANKFURT:GWN) (BERLIN:GWN) and 50% joint venture partner Thundermin Resources Inc. ("Thundermin") announce that they have intersected 3.1% Cu and 0.03% Co over a core length of 7.2 m, at a vertical depth of approximately 588 m, in hole LD-98-07A on the Little Deer copper property (Table 1). The drilling is part of an on-going, $1,000,000 exploration program on the property which is located 10 km north of Springdale in north-central Newfoundland.



Table 1: Little Deer Assay Results

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Hole No. East North Dip Az
(m) (m) (degrees) (degrees)
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LD-98-07A 13596 4541 -70 325
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LD-98-07B 13596 4541 -70 325
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LD-98-07C 13596 4541 -70 325
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LD-98-07D 13596 4541 -70 325
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Hole No. From To Length Cu Co Zn Au
(m) (m) (m)(1) (%) (%) (%) (g/t)
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LD-98-07A 530.0 530.1 0.1 12.2 0.01
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537.4 540.1 2.7 1.45 1.24
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593.8 599.7 5.9 1.76
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616.5 623.7 7.2 3.12 0.03
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LD-98-07B Hole stopped due to drilling problems
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LD-98-07C 497.3 501.9 4.6 Assays pending
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542.5 556.5 14.0 Assays pending
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LD-98-07D Currently drilling.
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(1) Reported intervals are core lengths


Hole LD-98-07A is a wedge cut from historical hole LD-98-07, which intersected 2.9% Cu over a core length of 5.8 m at a vertical depth of approximately 535 m. The 7.2 m copper intersection in hole LD-98-07A is located approximately 22 m east and 53 m below the original intersection and approximately 50 m above and 100 m west of the intersection in hole LD-07-02, which assayed 1.2% Cu over 25.5 m, including 2.5% Cu over 5.5 m. This new intersection consists of stringer, disseminated and minor semi-massive chalcopyrite-pyrrhotite mineralization within strongly altered mafic volcanic rocks. Hole LD-98-07A also intersected two zinc-rich intervals, one of which contains elevated gold values. These two intervals contain the most zinc mineralization encountered to date on the property.

Hole LD-98-07C, completed this week, intersected two copper mineralized zones which occur in chlorite-altered, mafic volcanic rocks. The 4.6 m upper zone, from 497.3 m to 501.9 m, contains stringer, semi-massive and disseminated chalcopyrite-pyrrhotite-pyrite mineralization while the 14.0 m lower zone, from 542.5 m to 556.5 m, contains mainly disseminated to stringer chalcopyrite-pyrrhotite-pyrite mineralization. The lower sulphide intersection occurs approximately 33 m east of hole LD-98-07 at a vertical depth of approximately 515 m. Hole LD-98-07D has commenced and is planned to intersect the mineralized zone approximately 50 m above hole LD-98-07.

The current drilling program is designed to define the continuity, grade and distribution of high grade copper mineralization which remains open to the east, west and at depth. Cornerstone and Thundermin also plan to re-enter holes LD-00-12 and LD-07-02, which along with hole LD-98-07, have intersected high grade copper mineralization over mineable widths over a strike length of approximately 300 m and at vertical depths from 535 to 630 m. The data obtained from this drilling will be used in support of a planned resource estimation for the Little Deer deposit.

Downhole Pulse EM geophysical surveys were completed in April 2008 on holes LD-08-09 and LD-08-10, in the west, and holes LD-07-03 and LD-07-08, in the east by Eastern Geophysical Limited (Figure 1- http://cornerstoneresources.com/i/maps/properties_nfld_littledeerlongsec.jpg). Only the interpretation for hole LD-08-10 has been received to date. Holes LD-08-09 and LD-08-10 were drilled to test the western extension of a surface DEEPEM geophysical conductor which is co-incident with high-grade copper mineralization on the eastern portion of the property. Hole LD-08-10 did not intersect any sulphide mineralization; however, the downhole Pulse EM results show a strong, 20 channel response at the end of the hole which suggests the potential for a sizeable conductive body below the area tested by hole LD-08-10. Hole LD-08-10 will be extended a minimum of 100 m in order to intersect this conductive target.

Cornerstone and Thundermin have the option, on a 50/50 basis with Thundermin as operator, to earn a 100% interest in the Little Deer property from Weyburn Investments Ltd. Under the terms of the agreement, Cornerstone and Thundermin committed to spend $850,000 in exploration and development work on the property on or before June 20, 2009, which commitment has been met. Thundermin has the right to increase its interest in the Little Deer property to 75% by completing a feasibility study and by arranging 100% of the necessary bank financing required to place the property into commercial production. Details on the Little Deer copper deposit and the terms of the agreement with Weyburn can be found in news releases dated May 1, June 21, July 9, October 30, December 11, 2007 and January 24 and April 9, 2008 and on Thundermin's and Cornerstone's respective websites and on SEDAR.

Mr. Andrew Hussey, P.Geo., Project Geologist and Lands Manager, Cornerstone Resources Inc., is the qualified person responsible for supervising the drilling program for the purposes of National Instrument 43-101. Mr. Hussey has reviewed and approved the contents of this release. All 2007 and 2008 drill holes are NQ in size. Specific gravity, rock quality determinations and photographic logging of significant mineralized intersections are performed systematically prior to assaying. The core is logged and the mineralized sections, where appropriate, are sawn in half at a core logging facility in Springdale. Half of the core is submitted for analyses to Eastern Analytical Limited, an independent and qualified assayer located in Springdale. The remaining half of the core is kept for future reference. Blanks, duplicates and standards are routinely used as part of the assay procedure.

About Cornerstone

Cornerstone Capital Resources Inc. is a mineral exploration company with 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. The company operates exploration programs in Atlantic Canada and Ecuador.

Cautionary Notice

This news release may contain 'Forward-Looking Statements' that involve risks and uncertainties, such as statements of Cornerstone's plans, objectives, strategies, intentions and expectations. The words "potential," "anticipate," "forecast," "believe," "estimate," "expect," "may," "project," "plan," and similar expressions are intended to be among the statements that identify 'Forward-Looking Statements.' Although Cornerstone believes that its expectations reflected in these 'Forward-Looking Statements' are reasonable, such statements may involve unknown risks, uncertainties and other factors disclosed in our regulatory filings, viewed on the SEDAR website at www.sedar.com. For us, uncertainties arise from the behaviour of financial and metals markets and from numerous other matters of national, regional, and global scale, including those of an environmental, climatic, natural, political, economic, business, competitive, or regulatory nature. These uncertainties may cause our actual future results to be materially different than those expressed in our Forward-Looking Statements. Although Cornerstone believes the facts and information contained in this news release to be as correct and current as possible, Cornerstone does not warrant or make any representation as to the accuracy, validity or completeness of any facts or information contained herein and these statements should not be relied upon as representing its views subsequent to the date of this news release. 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

The common shares of the Company are currently listed on the TSXV in Canada (symbol CGP), the OTC in the USA (symbol CTNXF) and the Frankfurt Stock Exchange (symbol GWN).

The TSX Venture Exchange does not accept responsibility for the adequacy or accuracy of this release.

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