Cornerstone Metals Inc. Appoints New Chief Financial Officer

May 21, 2015 – Vancouver, British Columbia –Cornerstone Metals Inc. (TSX.V: CCC) (“Cornerstone” or the “Company”) announces the appointment of Rebecca Moriarty, CA, as Chief Financial Officer and Corporate Secretary of the Company.   The appointment follows the resignation of Robert McMorran from these positions. The board of directors wishes to extend its appreciation for Mr. Morran’s service to the Company.  

Ms. Moriarty earned her B.Sc. (Geology) from Queens University in Kingston. She achieved her Chartered Accountant designation in 2002.   During an eleven year period with PwC, she worked exclusively with resource companies. Since 2011 Ms. Moriarty has worked as a Senior Consultant with Malaspina Consultants Inc., continuing to work with resource companies, including Cornerstone.

On Behalf of Cornerstone Metals Inc.

“Paul Cowley”

President and CEO

For further information, please contact:

Paul Cowley

Tel: 604-340-7711

Email: pcowley@cornerstonemetals.ca

Website: www.cornerstonemetals.ca

Neither the 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.

This website includes certain "forward-looking statements" such as estimates and statements that describe Cornerstone Metal Inc.’s property, future plans, objectives or goals. All statements in this website, other than statements of historical facts, that address future production, resource potential, exploration and development activities and events or developments that the Company expects, are forward-looking statements. Although management believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such forward-looking statements involve known and unknown risks, uncertainties, and other factors that may cause actual results, performance or developments to differ materially from those in the forward-looking statements. Factors that could cause actual results to differ materially from those in forward-looking statements include, but are not limited to, market prices, environmental conditions, judicial, regulatory and political developments, exploration and development successes, continued availability of capital and financing, and general economic, market or business conditions.