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Thomson Learning
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Thomson Prometric Shares Best Credentialing Practices with the American Society of Association Executives

BALTIMORE, MD. AUGUST 9, 2004 - Thomson Prometric, the global leader in technology-enabled testing and assessment services and part of The Thomson Corporation (NYSE: TOC; TSX: TOC), today announced its participation in the American Society of Association Executives (ASAE) Annual Meeting and Exposition.  This year’s event includes educational sessions, networking events and participation from over 500 companies offering information about products and services designed to support professional association strategies. 

The ASAE annual event offers information ranging from membership professional development and community relations to association marketing and technology enhancement.  In his, “The Future of Computer-based Testing is Now” speaking session, David Meissner, Thomson Prometric executive director of Testing System Strategy, will share the advantages of delivering knowledge certification and licensure exams on a technology platform.  These advantages include dynamic question types, secure test delivery and convenient exam scheduling options.

“As the industry’s global leader, we are looking forward to our participation in the ASAE conference, and sharing our knowledge about technology-enabled testing and assessment services,” said Mr. Meissner.  “This event is a great opportunity for us to share our expertise in converting professional association certification and licensure exams to a computer-based format from the paper and pencil-based method used historically."
The ASAE Annual Meeting and Exposition 2004 is scheduled for August 14-17 at the Minneapolis Convention Center in Minneapolis, Minnesota.  For more information about the event and to register, visit http://www.asaenet.org/asae/cda/public_home/0,3083,,00.html.

About The Thomson Corporation and Thomson Prometric
The Thomson Corporation (http://www.thomson.com/), with 2003 revenues of $7.6 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 training and assessment, scientific research and healthcare.  With operational headquarters in Stamford, Conn., Thomson has approximately 39,000 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). Its learning businesses and brands serve the needs of individuals, learning institutions, corporations and government agencies with products and services for both traditional and distributed learning. Thomson Prometric (www.prometric.com) is the global leader in technology-enabled testing and assessment services for academic, professional, government, corporate and information technology markets.   Thomson Prometric delivers standardized tests for 300 clients, in 26 languages, over the Web or through a global network of testing centers in 134 countries. Based in Baltimore, Md., Thomson Prometric employs 3,000 employees worldwide.

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