TORONTO, Nov. 19, 2015 /CNW/ - DELISTING REVIEW Atna Resources Ltd. (the "Company") – TSX is reviewing the common shares (Symbol: ATN) of the Company with respect to meeting the requirements for continued listing pursuant to the Expedited Review Process. The common shares are suspended from trading immediately.

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, TSX Alpha Exchange, The Canadian Depository for Securities, Montréal Exchange, Canadian Derivatives Clearing Corporation, NGX, BOX Options Exchange, Shorcan, Shorcan Energy Brokers, AgriClear 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: @TMXGroup.

SOURCE TMX Group Limited