TURNER GOVERNMENT AND PUBLIC AFFAIRS LEADS LOBBYING EFFORTS ON BEHALF OF THE THOMSON CORPORATION

Turner Government and Public Affairs In Strategic Alliance with Euro RSCG Magnet
To Lead The Thomson Corporation Lobbying Efforts

Washington, D.C., May 7, 2005 – Turner GPA, a Washington, D.C. government relations firm with a proven track record in the areas of lobbying, government affairs and public relations, announced today that it would be leading the lobbying efforts of The Thomson Corporation (TTC) as part of its strategic alliance with Euro RSCG Magnet. TTC is a worldwide specialized information provider and publisher of educational, professional, technical, scientific, medical, research, and financial material. Turner GPA will be advising Euro RSCG and leading the government affairs and lobbying efforts on behalf of TTC.

“Our office has established itself as a force to be reckoned with in the government affairs and lobbying arenas. We have the will and know the way to meet our client’s needs. Our record speaks for itself,” said Caren Turner, CEO of Turner GPA. “We look forward to helping TTC have its voice heard in the Connecticut state legislature and beyond. TTC will benefit from our team’s proven experience in government relations, coupled with our firm’s dedication to our client’s interests.”

TTC employs 50,000 staff members worldwide and is headquartered in Stamford, Connecticut. The Corporation's common shares are listed on the New York and Toronto stock exchanges (NYSE: TOC; TSX: TOC).