ÍÃ×ÓÏÈÉú

ÍÃ×ÓÏÈÉú, TSX Venture Exchange, TMX Select, Alpha, Montreal Exchange, NGX

March 5, 2013 (TORONTO) – TMX Group Limited today announced February 2013 trading statistics for its diversified group of exchanges – ÍÃ×ÓÏÈÉú, TSX Venture Exchange, Montreal Exchange (MX), Natural Gas Exchange (NGX), TMX Select and Alpha.

Trading volume on ÍÃ×ÓÏÈÉú in February 2013 decreased 11% compared to last month and was also down 23% compared to the same month last year. Volume on TSX Venture Exchange decreased 9% compared to January 2013 and was down 34% year-over-year. TMX Select trading volume was down compared to last month and year-over year; with decreases of 19% and 10% respectively. Alpha trading volume decreased 16% from last month and was down 22% year-over-year.

Volume on MX was down 4% compared to January 2013, but was up 15% from February last year. Open interest contracts at the end of February 2013 increased 9% from the end of January 2013, but fell 5% compared to the end of February 2012.

Volume on NGX decreased slightly from January 2013, and was down 24% year-over-year.

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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. ÍÃ×ÓÏÈÉú, 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 . Follow TMX Group on Twitter at .