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Dialog Adds Canada's National Post
Fast-Growing Canadian Newspaper Join Extensive Portfolio of Global News Content

CARY, N.C., USA, April 15, 2002 — Dialog, a Thomson business and a leading worldwide provider of online-based information services and integrated information solutions, today announced that it has added The National Post, one of two national daily newspapers in Canada, to its Dialog® family of online services.

Launched in 1998, The National Post has enjoyed meteoric growth as one of Canada's premier sources of journalistic excellence, with a strong focus on news, business and commentary. Its daily readership now approaches one million.

The newspaper's business and financial news section, The Financial Post, previously had been available on the Dialog services but now is available in full-text form, the company also said today. Other sections of The National Post — including News, Science and Technology, Commentary, Sports, Diversions and Arts and Leisure — are all now available.

The National Post is the latest addition to Dialog's extensive portfolio of international news content. The company recently launched its NewsRoom service, a new online database that combines more than 6,500 sources of news. NewsRoom greatly simplifies the process of tracking news from international, national and local sources.

The National Post and The Financial Post are included in the NewsRoom database.

"We are delighted to add The National Post to our information services," said David Brown, Dialog senior vice president, content development. "Canada is a sophisticated market for professional online services and we're pleased to offer this important new resource to our Canadian customers as well as to our users worldwide who need to track Canadian news and business."

The National Post is now owned by CanWest Global Communications Corp., an international media company based in Winnipeg, Manitoba. CanWest is Canada's largest publisher of daily newspapers and also holds substantial interests in television and radio broadcasting, cable systems, other print publishing and Internet services across Canada and in Australia, New Zealand, Ireland and the United Kingdom, among other international operations.

In addition to being part of the integrated NewsRoom database, The National Post may also be electronically searched on the Dialog service in Files 601 (early bird service) and 727 (archives, starting the day after publication). The Financial Post continues to be available in File 727.

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About Dialog
Founded in 1972 by Dr. Roger K. Summit, a pioneer in developing the technology behind electronic information retrieval, Dialog is the world leader in providing online-based information services to organizations seeking competitive advantages in such fields as business, science, engineering, finance and law.

Today, Dialog's three online platforms -- Dialog®, Profound® and DataStar™ -- offer users the ability to precisely retrieve data from more than 1.2 billion unique records, accessible via the Internet or through delivery to enterprise intranets. The content available ranges from articles and reports published in thousands of publications to in-depth repositories of patents, trademarks and other intellectual property data.

Corporate librarians, knowledge managers and other information professionals at more than 25,000 business, professional and government organizations in more than 100 countries prize Dialog services for their breadth and depth of content, precision searching and speed.

Headquartered in Cary, N.C., USA, with direct operations in 32 countries throughout North American, Latin America, Europe, the Middle East, South Africa and the Asia Pacific, Dialog is a business of The Thomson Corporation. For more information about Dialog, please visit www.dialog.com. Or, please call (U.S./Canada) 800-3-DIALOG or (U.S.) 919-462-8600. Dialog's London office may be reached at (44) (0) 207-940-6900.

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About The Thomson Corporation
The Thomson Corporation (www.thomson.com), with 2001 revenues of $7.2 billion, is a leading provider of integrated information solutions to business and professional markets worldwide. The Corporation's common shares are listed on the Toronto (TSE: TOC) and London stock exchanges.

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