Press Release Details

Webcast Alert: The Thomson Corporation to Present at the Merrill Lynch U.S. Media Conference

June 4, 2007 at 12:06 PM EDT

STAMFORD, Conn., June 4 /PRNewswire-FirstCall/ -- The Thomson Corporation (NYSE: TOC; TSX: TOC) announces the following Webcast:

     Who:      Peter Warwick, President & Chief Executive Officer, Thomson
              North American Legal

     What:    Presentation at Merrill Lynch U.S. Media Conference (London)

     When:    Thursday, June 7, 2007 @ 2:10 p.m. (London) / 9:10 a.m.
              (New York)

     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) 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  Thomson Corporation
    -0-                             06/04/2007
    /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/
    /Web site:  http://www.thomson.com/
    (TOC)

CO:  Thomson Corporation
ST:  New York
IN:  ENT PUB
SU:

DL
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