TSX Datalinx(R) to Distribute Chi-X Canada(TM) Market Data

    LinxPointOne(TM), one of Canada's premier data distribution products, to
    connect to Chi-X Canada

    TORONTO, Dec. 21 /CNW/ - TSX Datalinx(R), a division of TSX Inc., is
pleased to announce that it will distribute Instinet's Chi-X Canada(TM) ATS
(alternative trading system) order and trade data. Connectivity to Chi-X
Canada will be provided through LinxPointOne(TM), TSX Datalinx's data
distribution product, which leverages reliability and global distribution
reach to provide real time market data to customers in Canada and
internationally via one point of contact.
    "We are extremely happy that clients will be able to access our market
data through TSX Datalinx," said Tal Cohen, Senior Vice President at Instinet.
"We have had ongoing and frequent discussions with key industry players --
including the providers of front end trading systems, smart routers, market
data and back-office systems -- and will continue to collaborate with them as
we aim to make the Q1 '08 launch of Chi-X Canada as seamless as possible for
the Canadian trading community."
    The Chi-X Canada Market Data Feed will be distributed using standard TSX
proprietary messaging formats. Data distributors and Canadian dealers will be
able to utilize existing network connections with TSX to receive Chi-X Canada
data in much the same way they already handle TSX market data.
    "TSX Datalinx is pleased to provide market data distribution services to
Instinet's Chi-X Canada" said Eric Sinclair, Senior Vice President of TSX
Datalinx. "We are committed to providing multiple sources of information to
the marketplace. We are targeting industry testing in January 2008 and launch
later in the first quarter."

    To obtain information on LinxPointOne data, please contact John Andrew at
416.947.4289 by e-mail john.andrew@tsxdatalinx.com or Michelle Tran at
416.947.4583 by e-mail michelle.tran@tsxdatalinx.com or Joseph Libecci at
212.269.2723 by e-mail jlibecci@xsellgroup.com or Jim Gregory at 917.848.3718
or jgregory@diamondgloballlc.com.

    About Chi-X Canada(TM)
    Operated by Chi-X Canada ATS Limited, member IDA/CIPF, Chi-X Canada is a
high-performance, fully anonymous and low-cost continuous alternative trading
system (ATS) for TSX-listed equities. Supporting a wide array of advanced
order types and based on strict price-time priority, Chi-X Canada aims to
provide trading efficiency and cost savings to investors and ultimately to
help increase market volumes as systems of this nature have done in other
markets around the world.
    Based on the same technology that is currently powering Chi-X Europe and
developed by ATS pioneer Instinet, Chi-X Canada has an internal latency of
less than one millisecond, or 1/1,000th of a second(*).
    Subscription is available to any IDA-regulated investment dealer with
membership in good standing in Ontario. The system is accessible to members
for order entry through the FIX (Financial Information eXchange) protocol, and
market data is available as a direct feed in the CHIXMD protocol, which is
similar to the ITCH protocol currently in use by other markets. Chi-X Canada
will disseminate its market data at no cost. Additional pricing information
will be made available before its launch. For more information, please visit
the Chi-X Canada website at www.chi-xcanada.com.

    (*)Internal latency, which is the system's ability to process messages in
       its core rather than the round trip measurement, was measured by
       Instinet to be 890 microseconds, or less than one millisecond. Market
       volatility and volume may affect actual performance.

    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.

    About TSX Datalinx
    TSX Datalinx provides data products and services including both real-time
and historical data from multiple markets including CNQ (equities) and CanDeal
(Fixed Income) and news (TSX/CP Equities News and CNX Marketlink) to clients
and customers across Canada and around the globe.

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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