<<
    -   Consolidated Data Feed from the TMX Information Processor suite of
        products;
    -   Toronto Stock Exchange and TSX Venture Exchange Level 1 and 2 data;
    -   Montreal Exchange data;
    -   S&P/TSX index data;
    -   Corporate and reference information, including CDS data licensed from
        TMX;
    -   TSX/CP Equities News, a news service developed jointly by TMX
        Datalinx and The Canadian Press (CP), which delivers comprehensive
        coverage of Canadian capital markets; and
    -   CanDeal data, a marketplace for Canadian fixed income securities
    >>

"Interactive Data is a leading global financial information services company and TMX Datalinx is very pleased that they provide a variety of TMX's robust Canadian market data to their clients," said Eric Sinclair.

"We are excited to participate in today's market opening. We enjoy an extensive relationship with TMX Group, redistributing a broad range of its content to our clients worldwide through our desktop solutions and low latency real-time data feeds," said Ray D'Arcy.

For Market Openings: 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 TMX Broadcast Centre 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 TMX Group (TSX-X)
    -----------------------
    >>

TMX Group's key subsidiaries operate cash and derivative markets for multiple asset classes including equities, fixed income and energy. Toronto Stock Exchange, TSX Venture Exchange, Montreal Exchange, Natural Gas Exchange, Boston Options Exchange (BOX), Shorcan, Equicom and other TMX Group companies provide trading markets, clearing facilities, data products and other services to the global financial community. TMX Group is headquartered in Toronto with offices in Montreal, Calgary and Vancouver. For more information about TMX Group, visit our website at www.tmx.com.

    <<
    About Interactive Data Corporation
    ----------------------------------
    >>

Interactive Data Corporation (NYSE: IDC) is a leading global provider of financial market data, analytics and related solutions to financial institutions, active traders and individual investors. The Company's businesses supply real-time market data, time-sensitive pricing, evaluations and reference data for millions of securities traded around the world, including hard-to-value instruments. Many of the world's best-known financial service and software companies subscribe to the Company's services in support of their trading, analysis, portfolio management and valuation activities. Interactive Data, headquartered in Bedford, Mass., has approximately 2,400 employees in offices located throughout North America, Europe, Asia and Australia. Pearson plc (NYSE: PSO; LSE: PSON), an international media company, whose businesses include the Financial Times Group, Pearson Education, and the Penguin Group, is Interactive Data Corporation's majority stockholder. For more information about Interactive Data Corporation and its businesses, please visit www.interactivedata.com

SOURCE: TSX Group Inc.

SOURCE: TMX Group Inc.

SOURCE: Toronto Stock Exchange

SOURCE: TSX Corporate Announcements

Carolyn Quick, Director, Corporate Communications, TMX Group, (416) 947-4597,
carolyn.quick@tsx.com; Brian Willinsky, Public Relations Manager, North America,
Interactive Data Corporation, (339) 203-0769, brian.willinsky@interactivedata.com

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Write to Chip Brian at cbrian@tradethetrend.com

---------------------------------------------------------------------------------------------

SmarTrend analyzes over 5,000 securities simultaneously throughout the trading day and provides its subscribers with trend change alerts in real time. To get a free trial of our trading calls and maximize your trading results, please visit http://www.TradeTheTrend.com.

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"Regional and alternative exchanges represent a growing element of our customers' trading strategies and we aim to ensure that they can have access to the venues they need," said Hilary London, general manager, EMEA, Interactive Data Real-Time Services. "By delivering such depth and breadth of coverage, PlusFeed can provide a wide range of data to trading applications at financial institutions worldwide."

PlusFeed's coverage of new alternative European markets also continues to grow with the addition of two multilateral trading facilities (MTFs), NASDAQ OMX and BATS Europe. PlusFeed continues to further increase its broad coverage of MTFs, as well as electronic communication networks (ECNs).

In addition, Interactive Data recently signed an agreement with XData, a market data solutions provider for the Middle East and Africa (MEA) region, to supply financial market data from exchanges in the Gulf Cooperation Countries (GCC) via PlusFeed. The exchanges covered are: Abu Dhabi Securities Exchange (United Arab Emirates), Bahrain Stock Exchange (Bahrain), Doha Securities Market (Qatar), Dubai Financial Market (United Arab Emirates), Muscat Securities Market (Oman), NASDAQ Dubai (United Arab Emirates) and Tadawul (Saudi Arabia).

Since PlusFeed's launch in 2005, Interactive Data has continuously expanded and enhanced its real-time market data coverage. Today, PlusFeed delivers low-latency data on over six million securities from more than 450 sources around the world, including multi-asset class instrument coverage and extensive Level 2 data. The feed is used by financial institutions globally to power algorithmic and electronic trading applications.

About Interactive Data Corporation

Interactive Data Corporation (NYSE: IDC) is a leading global provider of financial market data, analytics and related solutions to financial institutions, active traders and individual investors. The Company's businesses supply real-time market data, time-sensitive pricing, evaluations and reference data for millions of securities traded around the world, including hard-to-value instruments. Many of the world's best-known financial service and software companies subscribe to the Company's services in support of their trading, analysis, portfolio management and valuation activities. Interactive Data, headquartered in Bedford, Mass., has approximately 2,400 employees in offices located throughout North America, Europe, Asia and Australia. Pearson plc (NYSE: PSO; LSE: PSON), an international media company, whose businesses include the Financial Times Group, Pearson Education, and the Penguin Group, is Interactive Data Corporation's majority stockholder.

Interactive Data's Real-Time Services business is a leading provider of real-time global market data to financial institutions, redistributors and online financial portals worldwide. Offerings from Interactive Data include PlusFeed(SM), a consolidated, low-latency datafeed. Also managed as part of this group is Interactive Data's Managed Solutions business, a leading provider and operator of customised financial market information systems.

For more information about Interactive Data Corporation and its businesses, please visit www.interactivedata.com.

Interactive Data(SM) and the Interactive Data logo are service marks of Interactive Data Corporation. PlusFeed(SM) is a service mark of Interactive Data Real-Time Services.

SOURCE: Interactive Data Corporation

Interactive Data Corporation 
Investors 
Andrew Kramer, +1 781-687-8306 
andrew.kramer@interactivedata.com 
or 
Media 
US media 
Brian Willinsky, +1 781-687-8291 
brian.willinsky@interactivedata.com 
or 
European media 
Eoin Bedford, +44 (0)20 7825 8353 
eoin.bedford@interactivedata.com

Go to www.mysmartrend.com now for a FREE two-week trial.

Write to Chip Brian at cbrian@tradethetrend.com

---------------------------------------------------------------------------------------------

SmarTrend analyzes over 5,000 securities simultaneously throughout the trading day and provides its subscribers with trend change alerts in real time. To get a free trial of our trading calls and maximize your trading results, please visit http://www.TradeTheTrend.com.

Get exclusive, actionable insight into how the market is expected to trend prior to market open with our free morning newsletter. Sign up at: http://www.TradeTheTrend.com/signup.html