TSX Group to celebrate launch of TSX Quantum(TM)

    TORONTO, Dec. 12 /CNW/ - TSX Group Inc. hits a significant milestone in
the TSX Quantum Revolution as it prepares for its launch of the new trading
engine this Friday.  To mark this event, there will be a special market
opening at the TSX Broadcast Centre on Friday, December 14.
    The first TSX trade symbol, TSX Group Inc. - "X", will begin trading on
TSX Quantum on Friday December 14, 2007.  This is the significant first step
in the phased rollout of TSX Quantum, that will add substantial performance
and capacity to clients over the next year.
    TSX Quantum, TSX Group's new unique proprietary trading technology is
designed to offer state-of-the-art trading performance to our clients,
providing faster messaging capabilities and linearly scalable throughput.
    Reporters are invited to the Market Open ceremony in the TSX Broadcast
Centre from 9:00am to 9:30am EST on Friday December 14, 2007 as we recognize
this momentous milestone.

    Where: TSX Broadcast Centre, 130 King Street West, Toronto

    Time:  9:00 a.m. with the market opening at 9:30 a.m.

    Media may pick up a feed from the TOC (television operations centre) for
all market open ceremonies. The feed is named TSX Transmit 2 and is produced
at the TSX and sent live to the TOC. Those featured in the market opening move
into position for the market open ceremony at approximately 9:27 a.m. and the
markets will open with the sound of a SIREN (the traditional market open on
Toronto Stock Exchange) at 9:30 a.m.

    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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