Press Release Details

Webcast Alert: The Thomson Corporation to Present at the Goldman Sachs Communacopia XIV Conference

September 21, 2005 at 10:27 AM EDT

STAMFORD, Conn., Sep. 21, 2005 (Canada NewsWire via COMTEX News Network) -- The Thomson Corporation (NYSE: TOC; TSX: TOC) announces the following Webcast:

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

     Who:   Executive Vice President & Chief Financial Officer Robert D. Daleo

     What:  Goldman Sachs Communacopia XIV Conference

     When:  September 22, 2005 @ 2:50 p.m. ET

     Where: www.thomson.com

     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

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