Press Release Details

Webcast Alert: The Thomson Corporation to Present at UBS 33rd Annual Media Week Conference

December 1, 2005 at 9:17 AM EST

STAMFORD, Conn., Dec. 1 /PRNewswire-FirstCall/ -- The Thomson Corporation (NYSE: TOC; TSX: TOC) announces the following Webcast:

     Who:    President and CEO Richard J. Harrington

     What:   Presentation at the UBS Annual Media Week Conference

     When:   December 6, 2005 @ 8:00 a.m. ET

     Where:  http://www.thomson.com

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

    How:     Live over the Internet - To participate in the webcast, visit
             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

              Jason Stewart, Vice President, Media Relations
              203-539-8339, jason.stewart@thomson.com

    The webcast will be archived at www.thomson.com.

    The Thomson Corporation

The Thomson Corporation (www.thomson.com), with 2004 revenues of $8.10 billion, is a global leader in providing integrated information solutions to business and professional customers. Thomson provides value-added information, software tools and applications to more than 20 million users in the fields of law, tax, accounting, financial services, higher education, reference information, corporate e-learning and assessment, scientific research and healthcare. With operational headquarters in Stamford, Conn., Thomson has approximately 40,000 employees and provides services in approximately 130 countries. 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/windowsmedia/EN/default.asp 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-                             12/01/2005
    /CONTACT:  Frank Golden, Vice President, Investor Relations, +1-203-539-
8470, frank.golden@thomson.com, or Jason Stewart, Vice President, Media
Relations, +1-203-539-8339, jason.stewart@thomson.com /
    /Photo: http://www.newscom.com/cgi-bin/prnh/20020227/NYW014LOGO /
    /Web site:  http://www.thomson.com/
    (TOC TOC.)

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

LH
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0887 12/01/2005 09:12 EST http://www.prnewswire.com