October 11, 2005

Creative Solutions' Engagement CST Supports Colligo's Workgroup Edition for Instant Networking and Collaboration

DEXTER, MI - Creative Solutions, a business of The Thomson Corporation (NYSE: TOC;TSX: TOC), announced today that its leading engagement management system, Engagement CS, now supports Colligo Workgroup Edition software to offer users instant networking functionality and advanced field-based collaboration. This means that in a secure field networking environment, audit teams can communicate and collaborate in real time by sharing files, folders, and information.

"Support of Colligo's Workgroup Edition software further enhances the power of Engagement CS and the ability to perform a completely electronic engagement process," stated Brian Vroom, Vice President of Development at Creative Solutions. "Now, audit teams can create instant networks while in the field to share information in real time, which will significantly raise productivity and efficiency of the overall process."

Colligo is a leading provider of instant networking software and offers solutions that allow mobile teams to share data using corporate applications, even when there is no access to the Internet or corporate servers. Colligo's instant networking software enables notebooks and PDAs to create direct-connected ad hoc networks with a single button click.

"This is just another step toward offering the most technologically advanced software and solutions available to the tax and accounting profession," said Jack LaRue, Vice President of Marketing at Creative Solutions. "Support of Colligo's instant networking software opens the door to a completely paperless engagement-extending conveniences normally available in the office setting to off-site teams, ensuring that all shared information is accurate and current."

"We are pleased to see Colligo's Workgroup Edition software being used to support Engagement CS," comments Barry Jinks, President and CEO at Colligo Networks. "Field-based networking and collaboration is highly beneficial to mobile audit teams as evidenced by the 70,000+ auditors we currently support worldwide."

About The Thomson Corporation and Creative Solutions
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, Connecticut, 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).

As part of Thomson Tax & Accounting, Creative Solutions, founded in 1979, offers a comprehensive line of integrated write-up, payroll, client accounting, depreciation, trial balance, tax, tax planning, and practice management software, as well as web building and client portal services for practicing accountants. With more than 60 CPAs on staff, Creative Solutions offers software written for accountants, by accountants. More than 50,000 firms have Creative Solutions products. Thomson Tax & Accounting also includes the RIA, PPC, and Fast-Tax business units. You can learn more about Creative Solutions by visiting CreativeSolutions.Thomson.com.

Press Release

Creative Solutions' Engagement CST Supports Colligo's Workgroup Edition for Instant Networking and Collaboration