The Company announces that it intends to issue an aggregate of 69,299 common shares of the Company (the "Common Shares") at a deemed price per share of $1.71 in payment of $118,500 in interest due and payable under the Company's 12% convertible debentures (the "Debentures"), which are held by CDPQ Sodemex Inc., a subsidiary of the Caisse de depot et placement du Quebec and Fonds de solidarite FTQ. The Debentures are due June 11, 2019. Under the terms of the Debentures, the Company has the option to pay 50% of the semi-annual interest due on the Debentures in Common Shares. The balance of the interest owing under the Debentures, being $118,500, has been paid in cash. The issuance of the Common Shares in payment of interest on the Debentures is subject to the approval of the TSX Venture Exchange and the Common Shares will be subject to a four month hold period.

About Mason Graphite and the Lac Gueret Project

Mason Graphite is a Canadian mining and processing company focused on the development of its 100% owned Lac Gueret natural graphite deposit located in northeastern Quebec. The Company is led by a highly experienced team that has over five decades of experience in graphite production, sales, and research and development. For more information, visit www.masongraphite.com.

Mason Graphite Inc. On Behalf of the Board

"Benoit Gascon, CPA, CA", President & Chief Executive Officer

For more Information:

Simon Marcotte, CFA, Vice-President Corporate Development at +1 (647) 801-7273 and at [email protected]

For more information relating to local communities:

Luc Veilleux, CPA, CA, Executive Vice-President and CFO at +1 (514) 289-3582 and at [email protected]

Head Office: 3030, boulevard Le Carrefour, bureau 600, Laval, Quebec, H7T 2P5

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.