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: [email protected]

Website: www.cornerstonemetals.ca

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