RIA and BNA Expand Partnership to Provide Comprehensive Tax Coverage on Checkpoint®

New York, NY, 02/13/2006, Professionals can now experience the benefits of the best possible tax information integrated on one platform – Checkpoint®. RIA, a part of The Thomson Corporation (NYSE: TOC; TSX: TOC) and the premier provider of technology and information to tax and accounting professionals, today announced it has expanded its strategic partnership with BNA, foremost publisher of print and electronic news, analysis, and reference products for professionals in business and government.

“This agreement with BNA reflects RIA’s commitment to its customers and enhances our position as the leading provider of integrated information solutions for tax and accounting professionals,” said Mark Schlageter, EVP and General Manager, Research & Guidance. “We are excited that BNA has chosen to align its products with our formidable array of content and technology assets.”

With this new agreement, tax and accounting professionals subscribing to Checkpoint will have access to renowned BNA tax content, including BNA Portfolios. BNA Portfolios include transactional analysis on topics such as income, estate, state and international taxation. The powerful combination of integrated solutions on the Checkpoint platform includes established and respected products from our elite RIA, WG&L, and PPC brands.

The BNA Portfolios will seamlessly integrate with Checkpoint’s unique set of research content and tools, including RIA’s Federal Tax Coordinator 2d , WG&L treatises, and primary source material. This is another example of RIA setting the standard for integrated tools that enhance productivity for tax and accounting professionals.

“Our expanded partnership with RIA to include the Portfolios on Checkpoint will benefit all tax and accounting professionals who currently work with our products independently. They can now take advantage of the best content and features that each has to offer,” said Greg McCaffery, BNA Chief Operating Officer and President of Tax Management Inc.

Checkpoint combines comprehensive tax, accounting and auditing information with the speed and power of the Internet to deliver accurate and up-to-date research and productivity solutions. Checkpoint subscribers get unparalleled access to information, insights and tools on tax, pensions, benefits, estate planning and corporate finance topics.

For more information about Checkpoint, please visit http://ria.thomson.com or contact 800-950-1216.

About The Thomson Corporation and RIA

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).

RIA (http://ria.thomson.com), a part of Thomson Tax & Accounting, is the premier provider of technology and information to tax and accounting professionals, providing the industry-leading tax compliance software for even the most complex requirements and the most comprehensive and innovative tax research and information products available. Thomson Tax & Accounting also includes the Creative Solutions, Fast-Tax and PPC product brands.

About BNA

BNA (www.bna.com) is the foremost publisher of print and electronic news, analysis, and reference products, providing intensive coverage of legal and regulatory developments for professionals in business and government. BNA produces more than 200 news and information services, including the highly respected Daily Report for Executives and Daily Labor Report.

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