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Re:   News - Tuesday, September 13, 2011
      11-30 - Significant Porphyry Copper-Gold mineralization
      discovered at Cascabel project in Ecuador
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Mount Pearl, NL, Canada:  Cornerstone Capital Resources Inc.
("Cornerstone") (TSXV-CGP) (F-GWN) (B-GWN) (OTC-CTNXF) announced today
the results of initial exploration work carried out on its 100%-owned
Cascabel project in northern Ecuador. The project is located
approximately 120 km north of Quito and 20 km south of the Colombian
border.  Access is very good via a paved road from the provincial
capital city of Ibarra to San Lorenzo city, on the Pacific coast, and
secondary gravel roads to the central part of the 50 km� property. Maps
showing the geology and exploration results of this program may be
viewed at
http://www.cornerstoneresources.com/s/Ecuador.asp?ReportID=478495.

Highlights

Assay results for the 179 rock samples (grabs and representative rock
chips) collected shows that precious and base metals are anomalous over
most of the area:

- 93 samples (52%) are gold anomalous (> 0.1 g/t Au), including 26
samples (14%) > 0.5 g/t Au, maximum 5.93 g/t Au
- 43 samples (24%) are silver anomalous (>5 g/t Ag), including 10
samples (5%) > 30 g/t Ag, maximum 150 g/t Ag
- 144 samples (80%) are copper anomalous (>0.01% Cu), including 36
samples (20%) > 0.1% Cu, maximum 3.23% Cu
- 54 samples (30%) are lead anomalous (> 0.005%), including 15 samples
(8%) > 0.05% Pb, maximum 0.32% Pb
- 100 samples (56%) are zinc anomalous (>0.01%), including 30 samples
(17%) > 0.1% Zn, maximum 26.50% Zn

Free gold has been identified by panning in most of the streams of the
area (49 pan concentrates out of 64 show the presence of gold) with
higher amounts of gold grains (10-30) concentrated in the headwaters of
the Rio Parambas, Rio Cachaco and Rio Cristal. Some of the streams have
not yet been surveyed and/or followed up.

"We are very pleased with these encouraging initial results on the
Cascabel project obtained after only a few weeks of field work", said
Brooke Macdonald, Cornerstone's President. "We are just starting our
work programs on this property and already we're seeing potential for
significant porphyry copper and gold mineralization similar to the new
porphyry discoveries in neighbouring Colombia".

Regional geology and mineralization

The Cascabel area is underlain by Upper Cretaceous sedimentary rocks
which are overlain by Oligocene to Miocene andesitic flows and
breccias. These units are intruded by Miocene age batholiths and stocks
of granodiorite and diorite. Major regional structures in the area
strike northeast. One such structure, the Apuela regional fault,
transects the southeast part of the Cascabel property. Several mineral
prospects, part of the same geological belt, have been identified in
the Cascabel district: the Chical (Au-Ag) and Rio Amarillo (Au-Ag-Cu)
epithermal prospects located 12 km to the northwest and 12 km to the
south of the property respectively.  Cascabel is located upstream from
an extensive alluvial gold district, Playa de Oro, located 50 km to the
west. The Junin porphyry copper-molybdenum deposit (undeveloped
National Instrument 43-101 compliant inferred resource of 982 Mt @
0.89% Cu, 0.04% Mo and 1.9 g/t Ag) lies 65 km to the southwest.

Exploration program and results

The primary objective of the initial exploration work was to follow up
and find the source(s) of multi-element (gold-copper-lead-zinc) stream
sediment anomalies defined in previous surveys (Belgium Mission
1980-1984, British Geological Survey 1998-2000 and a proprietary stream
sediment geochemical survey). Most of the current work was focused in
the central part (20 km�) of the property. One hundred and seventy nine
(179) rock samples (53 floats and 126 outcrops) were collected during
the reconnaissance geological mapping (scale 1: 25,000) and prospecting
program, and a total of 64 stream sediment samples were collected and
pan concentrated to identify the number, size and shape of visible gold
grains and other precious metals.

Reconnaissance mapping confirmed that andesitic volcanic rocks and
flysch-type sediments are intruded by a diorite porphyry stock which is
exposed at lower elevations along the Rio Parambas. Porphyry-style
alteration and mineralization is associated with the intrusion, with a
central potassic-altered core and peripheral, east-west trending,
phyllic-argillic alteration zones up to 4 km long by 0.5 to 1 km wide
to the south. The phyllic-argilllic alteration affects the diorite, as
well as the volcanic and sedimentary units. A series of northeast and
northwest striking conjugate faults were mapped and interpreted from
satellite imagery. North-northeast and north-northwest striking
secondary structures are also present throughout the area, and appear
to control part of the mineralization.

Anomalous gold, silver, copper, lead and zinc are distributed over an
extensive area (> 10 km�) in the central part of the property and
preliminary information indicates a rough metal zonation. Gold and
copper mineralization is associated with the central potassic zone of
the diorite porphyry, as well as NE-NNE and NW-NNW trending structures
and the phyllic-argillic zones developed within volcanic and
sedimentary rock units. Copper is present as disseminated chalcopyrite,
covellite and malachite in the porphyry and as higher grade
concentrations, associated with the peripheral structural system.
Silver, lead and zinc mineralization appears to be peripheral to the
central potassic zone, associated with the same NE-NNE and NW-NNW
structures. The higher grade precious and base metals assay results (>
1 g/t Au, > 30 g/t Ag, > 1% Cu and/or > 1% Zn) are generally related to
sub-metre (0.2 to 1.0 m), NE-NNE and NW-NNW oriented, brecciated
massive sulphide veins, silicified zones and quartz veins.

Planned future work includes the completion of prospecting and
reconnaissance mapping which will cover the entire property, follow up
on the stream sediment anomalies, ridges and spurs soil sampling to
define the limits of the mineralized systems and prioritization of
target areas to initiate detailed exploration surveys.

Assaying, Quality assurance / Quality control (QA/QC)

Rock samples were delivered by Cornerstone employees to and prepared by
the ACME preparation laboratory in Cuenca (ACME code R200-250), and
assayed by the ACME-Vancouver laboratory (www.acmelab.com) for gold
(ACME code G601, F.A., 30 g.) and multi-elements (ACME code 1DX2, Aqua
Regia, ICP-MS finish). All over limits results for precious and base
metals were systematically re-assayed (ACME codes G6Gr and 7TD).

ACME is an ISO 9001:2008 qualified assayer that performs and makes
available internal assaying controls. Certified blanks and standards
are systematically inserted with samples as part of Cornerstone's QA/QC
program.

Qualified Person

Yvan Crepeau, MBa., P.Geo, President of Cornerstone Ecuador S.A.
("CESA") and a qualified person in accordance with National Instrument
43-101, has reviewed and approved the technical information contained
in this new release.

Purchase agreement

During the first quarter of 2011, Cornerstone acquired a 100% interest
in Santa Barbara Copper & Gold ("SBCG") and all its assets in Ecuador,
including the Cascabel and La Encrucijada properties, for a cash
payment of $20,000 and a 2% Net Smelter Return ("NSR") royalty on any
future mineral production on each property. Cornerstone retains the
right to purchase one-half (1%) of the NSR for $1,000,000 within 3
months following completion of a feasibility study, and the remaining
one-half (1%) NSR for $3,000,000 within 3 months following a production
decision.

About Cornerstone

Cornerstone Capital Resources Inc. is a mineral exploration company
based in Mount Pearl, Newfoundland and Labrador, Canada, with a
diversified portfolio of projects in Ecuador, Chile, and Atlantic
Canada, 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. The company is well funded and commitments from JV
partners constitute significant validation of the strength of
Cornerstone's projects.  Further information is available on
Cornerstone's website: www.cornerstoneresources.com.

For investor, corporate or media inquiries, please contact:

Investor Relations:
Email: communications@crigold.com
North America toll-free: 1 (877) 277-8377
Martti Kangas - Direct Line: 1 (647) 521-9261
Paul Benwell / Pat Kairns - Direct Line: 1 (514) 904-1333

Investors can access and join the following Cornerstone social media
channels:
Facebook (http://www.facebook.com/cornerstoneresourcesinc)
Twitter (http://twitter.com/Cornerstone_cgp)
YouTube channel (http://www.youtube.com/user/CornerstoneResource)
Flickr (http://www.flickr.com/photos/cornerstoneresources)

The link to a recent Corporate presentation is:
http://www.cornerstoneresources.com/i/pdf/Presentations_0711_CRICorporate.pdf

The link to a virtual tour of drilling at the Gama prospect, Shyri
concession in Ecuador is:
http://www.youtube.com/watch?v=Ne8XSfgLwIM

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, predicting natural geological phenomena 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 except where
outcomes have varied materially from the original statements.

On Behalf of the Board,
Brooke Macdonald
President

Further information is available on the Cornerstone Web site at
www.cornerstoneresources.com; via e-mail at communications@crigold.com;
or toll free at 1-877-277-8377.

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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Copyright (c) 2011 CORNERSTONE CAPITAL RESOURCES INC. (CGP)  All rights
reserved.  For more information visit our website at
http://www.cornerstoneresources.com/ or send
mailto:info@cornerstoneresources.com
Message sent on Tue Sep 13, 2011 at 5:15:00 AM Pacific Time
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