Techstreet Announces New Unlimited Standards Tracking Service

Ann Arbor, MI February 3, 2005 - Today, Techstreet-a business of The Thomson Corporation (NYSE:TOC; TSX: TOC)-announced that it will offer free, unlimited standards tracking at Techstreet, the Online Standards Superstore.

The Techstreet Standards Tracking Service is designed for engineers, corporate librarians and technical professionals who need to stay on top of the ever-changing rules for product design, testing, safety, compliance and quality control. The online service tracks over 150,000 individual standards from the world's leading Standards Developing Organizations, including ASTM, ASME, API, BSI, DIN, ISO, IEC, NFPA, IEEE, UL, CSA and many more. It's the perfect tool for meeting International Organization for Standardization (ISO) 9000 requirements and the easy way to stay up-to-date with a multitude of standards across a variety of applications and industries.

Users visiting the Techstreet Website can browse and click to create a custom list of industry standards important for their work. Automatic e-mail notices are sent when any of those standards are revised or amended. It's the only service on the Web that lets customers track an unlimited number of engineering standards absolutely free. There is nothing to buy and there is no charge for the service.

Jane Parry, Enterprise Librarian for the Duke Energy Company says "…I especially like the Standards Tracking Service because it takes all the worry out of wondering if/when new updated versions will be posted, or whether my customers are using the latest versions. And the Techstreet Website offers fast, easy-to-navigate, no-hassle ordering. PDFs are instant and time line for hard copy delivery is overnight."

In addition to free, unlimited Standards Tracking, the Techstreet Website offers immediate, unlimited access to one of the largest and fastest online databases of engineering codes and standards in the world. The Website includes cross-referenced content across popular vertical industries, self-serve tools for tracking and managing purchases, customer rewards programs, and a variety of enterprise-wide solutions for large and small organizations, including the only multi-user, Web-based subscription service providing secure access to a custom set of engineering standards for an unlimited number of users, without an Intranet. For more information about Techstreet, visit www.techstreet.com.

For more information about Techstreet, visit www.techstreet.com

About The Thomson Corporation
The Thomson Corporation ( www.thomson.com), with 2003 revenues from continuing operations of $7.44 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 scientific research and healthcare, law, tax, accounting, financial services, higher education, reference information, corporate training and assessment. With operational headquarters in Stamford, Conn., Thomson has approximately 38,000 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).

Thomson scientific information solutions can be found at www.thomson.com/scientific and include Techstreet offering a wide variety of engineering codes and standards; ISI Web of Knowledge^SM facilitating discovery by offering seamless navigation to high-quality, multidisciplinary journal (Web of Science® ), patent (Derwent World Patents Index® ), and Web content, evaluation tools, and bibliographic management products (EndNote®); Thomson Pharma^SM -an integrated information solution for the pharmaceutical and biotechnology markets; Delphion® providing access to full-text patent documents from the world's leading patent authorities; and BIOSIS Previews® the world's most comprehensive reference database for life science research.

Contact Information:

Techstreet
Andrew Bank
Director, Business Development
734-913-5129 (office)
734-476-8489 (cell)
andrew.bank@thomson.com

Thomson
Rodney Yancey
Manager, Corporate Communications
Thomson Scientific
215-386-0100 extension 1396
rodney.yancey@thomson.com