August 20, 2013 (TORONTO) - TMX Group today announced the successful implementation of its new high performance trading engine, TMX Quantum XA™, on TMX Select. The final group of symbols commenced trading on the new technology at the opening of the market yesterday, completing the phased migration.

"The implementation of TMX Quantum XA on TMX Select sets a new standard for exchange technology," said Brenda Hoffman, Chief Information Officer, Group Head of Technology, TMX Group. "TMX Select customers now have one of the world's most effective trading engines, with dramatically improved speed, latency variability and capacity."

TMX Select was the first TMX equity marketplace to shift to the TMX Quantum XA platform. The migration of Toronto Stock Exchange, TSX Venture Exchange and Alpha onto TMX Quantum XA is planned to begin mid-2014.

"The launch on TMX Select underlines our commitment to enhancing the quality of trading on our equity markets," added Kevan Cowan, President, TSX Markets and Group Head of Equities, TMX Group. "We are very excited to introduce a robust new platform specifically designed to improve the security, efficiency and quality of trade execution for our diverse customer groups."

About TMX Group

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, Montreal Exchange, Canadian Derivatives Clearing Corporation, Natural Gas Exchange, BOX Options Exchange, Shorcan, Shorcan Energy Brokers, Equicom 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 (Montreal, Calgary and Vancouver), in key U.S. markets (New York, Houston, Boston and Chicago) as well as in London, Beijing and Sydney.www.tmx.com. Follow TMX Group on Twitter at http://twitter.com/tmxgroup.

For more information please contact:

Shane Quinn
Manager, Communications and Public Affairs
TMX Group
416-947-4609
shane.quinn@tmx.com