Webcast Alert: The Thomson Corporation to Present at Citigroup Entertainment, Media & Telecom Conference

STAMFORD, Conn., 01/05/2006, The Thomson Corporation (NYSE: TOC; TSX: TOC) announces the following Webcast:

Who:
President and CEO Richard J. Harrington

What:
Presentation at the Citigroup Entertainment, Media & Telecom Conference

When:
January 9, 2006 @ 3:10 p.m. MT

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

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 Microsoft.com 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.)

Contact Information

Jason Stewart

Vice President, Media Relations

Thomson Corporation

Contact via E-mail