CIE Partners with Techstreet to Launch New Web Store
Thomson Scientific Signs Agreement with International Commission on Illumination

Ann Arbor, MI USA; Wien, Austria - July 27, 2005 Today, Thomson Scientific and the Commission Internationale de l'Eclairage (CIE), International Commission on Illumination, announced they have recently launched the new CIE online web shop at http://www.cie.co.at/. The business agreement calls for Techstreet, a business unit of Thomson Scientific, to design, build, promote and fully manage the new CIE online standards store. This includes digital file management, document procurement, fulfillment and customer service for CIE customers around the world. This is the first time that CIE will make its technical standards available for purchase on the Internet.

A standards body recognized by ISO, IEC and regional organizations like CEN, CIE develops and publishes industry standards, technical reports, and conference proceedings dealing with scientific and industrial aspects of lighting, illumination, and optics. The new CIE web shop is a one-stop source for CIE documents and related industry standards in electronic and print format. Additional services include free unlimited standards tracking and the only web-based standards subscription service offering immediate online access to a custom set of standards for multiple users anywhere in the world.

Franz Hengstberger, Vice President of Publications at CIE, explains that "the new online store will make CIE standards and technical documents more accessible than ever before. With this new e-commerce business model, we can now serve our world-wide base of customers and members with easy online ordering in Euros, automatic member discounts and document delivery 24 hours a day. This unique partnership will enable us to focus more on our core competencies while Techstreet manages sales and delivery."

Andrew Bank, Director of Business Development for Techstreet notes that "Our proven technology satisfies the needs of engineers and their support staff by making it easy to obtain and manage the technical information they need to do their jobs. By applying our web-based tools and proven e-commerce methods to CIE's operation, we can increase their net sales and significantly advance their technology infrastructure."

About 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 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.

About CIE
CIE, the Internationale de l'Eclairage (International Commission on Illumination) is an organization devoted to international cooperation and exchange of information among its member countries on all matters relating to the science and art of lighting. CIE is a technical, scientific and cultural, non-profit autonomous organization. It has grown out of the interests of individuals working in illumination. Since its inception 90 years ago, CIE has become a professional organization and has been accepted as representing the best authority on the subject and as such is recognized by ISO as an international standardization body.

Contact Information:

Betsy Henrichs Marketing Manager Techstreet 734-913-3935 betsy.henrichs@thomson.com

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