TSX Record Trading Day - August 16, 2007



    TORONTO, Aug. 16 /CNW/ - A record 708.05 million(*) shares changed hands in
trading on Toronto Stock Exchange today - eclipsing the previous record of
499.8 million set on July 12, 2007. There were 996,311 transactions today,
breaking the previous record of 707,853 set on August 10, 2007.

    (*)Trading volume and transactions as of 4:15pm

    About TSX Group Inc. (TSX-X)
    ----------------------------
    TSX Group operates Canada's two national stock exchanges, Toronto Stock
Exchange serving the senior equity market and TSX Venture Exchange serving the
public venture equity market, Natural Gas Exchange (NGX), a leading North
American exchange for the trading and clearing of natural gas and electricity
contracts and Shorcan Brokers Limited, the country's first fixed income
inter-dealer broker. TSX Group also owns The Equicom Group Inc., a leading
provider of investor relations and related corporate communication services in
Canada. TSX Group is headquartered in Toronto and maintains offices in
Montreal, Winnipeg, Calgary and Vancouver.





For further information:

For further information: Steve Kee, Director, Corporate Communications,
TSX Group Inc., Toronto Office, (416) 947-4682, Toll Free 1-888-873-8392,
Cellular (416) 358-3714, Vancouver Office (604) 602-6902, Calgary Office (403)
218-2892, steve.kee@tsx.com


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