Press Release Details

Webcast Alert: The Thomson Corporation to Report Second-Quarter 2007 Results

July 19, 2007 at 9:39 AM EDT

STAMFORD, Conn., July 19 /PRNewswire-FirstCall/ -- The Thomson Corporation (NYSE: TOC; TSX: TOC) announces the following Webcast:

    (Logo:  http://www.newscom.com/cgi-bin/prnh/20020227/NYW014LOGO )

    Who:    President and CEO Richard J. Harrington and Executive Vice
            President and CFO Robert D. Daleo

    What:   Presentation and Discussion of Second-Quarter 2007 Results for
            The Thomson Corporation

    When:   Thursday, July 26, 2007 @ 8:30 a.m. ET

    Where:  http://www.thomson.com

    How:    Live over the Internet -- To participate in the webcast, visit
            http://www.thomson.com and click on "Investor Relations" at the
            top of the page and then "Executive Presentations" at the left
            side of the page.

    Contacts: Frank Golden, Vice President, Investor Relations
              203-539-8470, frank.golden@thomson.com

              Fred Hawrysh, Senior Vice President, External Communications
              203-539-8314, fred.hawrysh@thomson.com

    The Webcast will be archived at http://www.thomson.com.

    The Thomson Corporation

The Thomson Corporation (http://www.thomson.com) is a global leader in providing essential electronic workflow solutions to business and professional customers. With operational headquarters in Stamford, Conn., Thomson provides value-added information, software tools and applications to professionals in the fields of law, tax, accounting, financial services, scientific research and healthcare. The Corporation's common shares are listed on the New York and Toronto stock exchanges (NYSE: TOC; TSX: TOC).

(Minimum Requirements to listen to broadcast:

The Windows Media Player software, downloadable free from http://www.microsoft.com/windows/default.mspx and at least a 28.8Kbps connection to the Internet. If you experience problems listening to the broadcast, send an email to webcastsupport@tfprn.com.)

SOURCE  The Thomson Corporation
    -0-                             07/19/2007
    /CONTACT:  Frank Golden, Vice President, Investor Relations,


+1-203-539-8470, or frank.golden@thomson.com; Fred Hawrysh, Senior Vice
President, External Communications, +1-203-539-8314, or
fred.hawrysh@thomson.com, both of The Thomson Corporation/
    /Photo:  Newscom:  http://www.newscom.com/cgi-bin/prnh/20020227/NYW014LOGO
             AP Archive:  http://photoarchive.ap.org
             PRN Photo Desk, photodesk@prnewswire.com /
    /Web site:  http://www.thomson.com /
    (TOC TOC.)

CO:  The Thomson Corporation
ST:  Connecticut
IN:  FIN
SU:  CCA

AL-MC
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