TSX Delisting Review – Opta Minerals Inc. (OPM)

September 11, 2015

DELISTING REVIEW Opta Minerals Inc. (the "Company") – TSX is reviewing the common shares (Symbol: OPM) of the Company with respect to meeting the continued listing requirements. The Company has been granted 120 days in which to regain compliance with these requirements, pursuant to the Remedial Review Process.

About TMX Group (TSX: X)

TMX Group's key subsidiaries operate cash and derivative markets and clearinghouses for multiple asset classes including equities, fixed income and energy. Toronto Stock Exchange, TSX Venture Exchange, TMX Select, Alpha Group, The Canadian Depository for Securities, Montréal Exchange, Canadian Derivatives Clearing Corporation, NGX, BOX Options Exchange, Shorcan, Shorcan Energy Brokers and other TMX Group companies provide listing markets, trading markets, clearing facilities, depository services, data products and other services to the global financial community. TMX Group is headquartered in Toronto and operates offices across Canada (Montréal, Calgary and Vancouver), in key U.S. markets (New York, Houston, Boston and Chicago) as well as in London, Beijing, Singapore and Sydney. For more information about TMX Group, visit our website at http://www.tmx.com. Follow TMX Group on Twitter at https://twitter.com/tmxgroup.