Toronto Stock Exchange, TSX Venture Exchange, TMX Select, Alpha and Montreal Exchange closed for Labour Day

August 23, 2013 (TORONTO) – Toronto Stock Exchange, TSX Venture Exchange, TMX Select, Alpha and Montreal Exchange will be closed on Monday, September 2, 2013 for the Labour Day holiday.

NGX natural gas and power markets will operate on a reduced trading schedule from 8:30 a.m. – 12:00 p.m. (MDT). NGX crude oil markets will be closed.

The Exchanges will re-open and resume regular trading on Tuesday, September 3, 2013.

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, 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. For more information about TMX Group, visit our website at http://www.tmx.com. Follow TMX Group on Twitter at https://twitter.com/tmxgroup.