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Dialog Seeks European, Middle Eastern & African Applicants for 2004 Roger K. Summit Scholarship

LONDON (26 May 2004) — Dialog, a Thomson (NYSE: TOC; TSX: TOC) business and a leading worldwide provider of online-based information services and integrated information solutions, announced today that it is seeking applicants from Europe, the Middle East and Africa (EMEA) for its third annual Roger K. Summit Scholarship to be offered in the region.

The company will award a €5,000 scholarship to a student from the EMEA region enrolled in an accredited library or information sciences course. The prize will be awarded at the 2004 Online Information Conference and Exhibition, to be held 30 November — 2 December in London.

The deadline for applicants is 22 October 2004. Applications are available at gep.dialog.com/scholarship/application.

Dialog awards three scholarships annually, one each in North America, EMEA and in the Asia Pacific region.

A panel of local information professionals and educators selects the regional winners after reviewing academic achievement, interest in electronic information services, proficiency using Dialog online services and faculty recommendations.

The scholarship programme is part of an array of Dialog initiatives in support of professional development. It is named in honour of Dr. Roger K. Summit, Dialog founder and a well-known pioneer in the online information field. Summit is chairman emeritus of Dialog.

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About Dialog and The Thomson Corporation
Dialog, a pioneer in developing the technology behind electronic information retrieval, is the world leader in providing online-based information services to organisations seeking competitive advantages in such fields as business, science, engineering, finance and law.

Today, the online services provided by Dialog — offered through the Dialog®, Dialog Profound®, Dialog DataStar™, NewsEdge and Intelligence Data brands — give users the ability to precisely retrieve data from more than 1.4 billion unique records, accessible via the Internet or through delivery to enterprise intranets. Searchable content includes articles and reports from thousands of real-time news feeds, newspapers, broadcast transcripts and trade publications, plus research reports and analyst notes providing support for financial decision-making, as well as in-depth repositories of scientific and technical data, patents, trademarks and other intellectual property data. Information professionals and end-users at business, professional and government organisations in more than 100 countries prize Dialog services for their depth and breadth of content, precision searching and speed.

Based in Cary, N.C., USA, Dialog has operations in 31 other countries. Dialog (www.dialog.com) is a business of The Thomson Corporation (NYSE: TOC; TSX: TOC). With 2003 revenues of US$7.6 billion, Thomson (www.thomson.com) is a global leader in providing integrated information solutions to business and professional customers.

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All designated trademarks used herein are the property of The Dialog Corporation or its subsidiaries. Registered marks are registered by The Dialog Corporation or its subsidiaries with the U.S. Patent and Trademark Office. All other marks are trademarks or registered trademarks of their respective owners.

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