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Re:   News - Monday, August 31, 2015
      15-19 - Phase 1 Drill Program proposal for the Ca�a Brava
      Property, Ecuador
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Mount Pearl, NL, Canada: Cornerstone Capital Resources Inc.
("Cornerstone" or "the Company") (TSXV-CGP) (F-GWN) (B-GWN) (OTC-CTNXF)
announces additional results from the exploration program on its Ca�a
Brava gold-silver-copper property located in south-central Ecuador, and
a drill proposal to test high quality targets. Cornerstone has an
option to earn a 100% interest in Ca�a Brava.

HIGHLIGHTS:

- 20 Trenches completed and 301 channel samples collected.
- systematic spectrometry work on soil and rock samples confirms
previous geological mapping and exploration targets.
- Two high priority / high potential targets proposed for drilling.
- Phase 1 drilling program prepared: 8 drill holes totaling 3300 metres
to test the lower portion of a high sulphidation system transitional to
well defined porphyry and relatively shallow porphyry Au-Cu targets.

References to figures, photographs and tables related to the version of
this release on the Company's website (www.cornerstoneresources.com) or
visible in PDF format by clicking the link below:
http://www.cornerstoneresources.com/i/pdf/NR15-19Figures.pdf.

"We are pleased with the high quality of drill targets defined at Ca�a
Brava" said Brooke Macdonald, CEO of Cornerstone. "Recent changes made
by the Ecuador Government, reducing the overall tax burden on mining
projects to a competitive level with most of the other South America
mining jurisdictions, together with the planned simplification of
mining regulations will make it easier to fund and implement
exploration activities in the future. Cana Brava has never been drilled
in the past and is available for joint venture".

The 1,150 hectares Ca�a Brava property is located in south central
Ecuador near the community of Gualel in the province of Loja,
approximately 35 km northwest of the provincial capital city of Loja
(Figure 1). The project area is situated in the Ecuadorian Andes on the
east side of the Cordillera Occidental at elevations ranging from 2,950
m to 3,650 m above sea level. Access from Loja (or from the city of
Cuenca to the north) is provided by paved roads and a secondary gravel
road to Gualel, from which trails provide access to the property
(Figure 1).

The Ca�a Brava property is strategically located at the junction of two
main trends: 1) in the southwestern (SW) part of a northeast (NE)
oriented belt of epithermal precious metal and related mineralized
porphyry prospects and deposits, including (from SW to NE) the Ca�a
Brava, Fierro Urco, Ca�icapa, Encrucijada, Mozo and Gima prospects, and
2) a northwest-southeast (NW-SE) oriented belt of intrusives and
associated epithermal and porphyry mineralization (Figure 2). 

Following the completion of a systematic and detailed exploration
program including geological mapping, ground magnetic survey, soil and
rock sampling, results were released on February 26, 2015 (News Release
15-04), a trenching program was completed (20 trenches, 599 metres, 301
channel samples), spectrometry (Terraspec) work carried out on soil
samples (552), rock chips and channel samples (706) and a Phase 1 drill
program has been prepared. This proposal includes eight diamond drill
holes totaling 3300 metres (Figures 3 and 4). The Terraspec work
confirmed previous geological mapping, detailed alteration facies and
identified high temperature muscovite-sericite micas indicating the
relative proximity of intrusive rocks interpreted as being the heat
source that produced alteration of country rocks and deposition of
metals.

Six holes are proposed to test the Quebrada Soroche target area hosting
high temperature advanced argillic epithermal alteration and
mineralization transitional to well defined porphyry Cu-Au-Mo style of
alteration and mineralization at relatively shallow depth. The Quebrada
Soroche target is characterized by highly anomalous gold, silver,
copper and molybdenum in soils, in rock chip and channel samples,
coincident with a magnetic anomaly interpreted to represent a causative
intrusive at depth. Geological mapping evidenced a strong east-west
structural control. Five 400m deep holes are planned to test the 700m
by 600m central part of the target area (1.7km by 1 km overall size)
and one (1) hole to test the eastern portion of the target area where
controlling structures are northeast oriented, for a total of 2400m
(Figures 5 and 6).

Two holes totaling 900m are proposed to test the Quebrada Ca�a Brava
target area (1000m by 900m in size) which represents a lower portion of
the transition zone to a potassic altered intrusive. The area is
characterized by moderately anomalous gold, copper and molybdenum
associated to high temperature argillic and phyllic alteration and to a
potassic altered granodiorite intrusive to the east (Figures 7 and 8).

Qualified Person:

Yvan Crepeau, MBA, P.Geo., Cornerstone's Vice President, Exploration
and a qualified person in accordance with National Instrument 43-101,
is responsible for supervising the exploration program at the Cascabel
project for Cornerstone and has reviewed and approved the information
contained in this news release.

Assaying

All samples were delivered by Cornerstone employees for preparation at
Acme Analytical Laboratories (ACME) affiliate laboratory in Cuenca.
Rock samples are prepared by crushing 1 kg to 80% passing 2 mm (10
mesh), splitting 250 g and pulverizing to 85% passing 0.06 mm (150
mesh) (ACME code PRP 80-250). Soil samples are prepared being dried at
low temperature, sieved 100g to 80 mesh (ACME code SS80)
 
Prepared samples are then shipped to ACME in Vancouver, Canada where
rock samples are assayed for gold (ACME code FA430: F.A., 30g, AAS
finish) and a multi-element suite (ACME code AQ201: 15 g split, Aqua
Regia digestion, ICP-MS finish). Soil samples are assayed for gold and
a multi-element suite (ACME AQ201: 15 g split, Aqua Regia digestion,
ICP-MS finish)

Quality Assurance / Quality Control (QA/QC)

The ACME affiliate preparation facility in Cuenca was audited by
Cornerstone. ACME is an ISO 9001:2008 qualified assayer that performs
and makes available internal assaying controls. Duplicates, certified
blanks and standards are systematically used as part of Cornerstone's
QA/QC program. Rejects and 100 g pulps for each rock sample are stored
in Cuenca for future use and controls.

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 and Chile, 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 partnerships. Commitments from partners constitute
significant validation of the strength of Cornerstone's projects.

Further information is available on Cornerstone's website:
www.cornerstoneresources.com and on Twitter. For investor, corporate or
media inquiries, please contact:
Investor Relations:
Email: ir@cornerstoneresources.ca
North America toll-free: 1 (877) 277-8377

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 and CEO

Further information is available on the Cornerstone Web site at
www.cornerstoneresources.com; via e-mail at ir@cornerstoneresources.ca;
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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