RNS Number : 3612E

Thomson Reuters PLC

25 September 2008

Thomson Reuters PLC

Notification of Transactions

NEW YORK, NY - September 25, 2008 - Thomson Reuters (NYSE: TRI; TSX: TRI; LSE: TRIL; NASDAQ: TRIN) today announced that The Woodbridge Company Limited engaged in the following transactions involving common shares of Thomson Reuters Corporation.

Date Type of Transaction Type of Security Number of Securities Price Per Security

September 22, 2008 Donation Common Shares 170,000 C$33.15

September 22, 2008 Purchase Common Shares 169,700 C$33.15

September 22, 2008 Purchase Common Shares 300 C$33.10

September 23, 2008 Donation Common Shares 78,000 C$32.60

September 23, 2008 Purchase Common Shares 78,000 C$32.60

Thomson Reuters was notified of the above transactions on September 25, 2008.

Following these transactions, The Woodbridge Company Limited and other companies affiliated with it (together, 'Woodbridge') beneficially own 452,877,488 Thomson Reuters Corporation common shares and 56,000 Thomson Reuters PLC ADSs (each representing six ordinary shares of Thomson Reuters PLC). Under the DLC structure, holders of Thomson Reuters Corporation common shares and Thomson Reuters PLC ordinary shares ordinarily vote together as a single decision-making body, including in the election of directors, and in that sense have voting interests in Thomson Reuters. Following these transactions, Woodbridge has a voting interest in Thomson Reuters of approximately 55% as at September 24, 2008 based on the aggregate issued share capital of Thomson Reuters Corporation and Thomson Reuters PLC. Woodbridge is the controlling shareholder of Thomson Reuters and certain of the Thomson Reuters non-executive directors are officers of Woodbridge. Thomson Reuters is voluntarily making a notification relating to securities of Thomson Reuters Corporation.

Contact:

David W. Binet

Secretary to the Board

Thomson Reuters

david.binet@thomsonreuters.com

+1 416.681.0474

This information is provided by RNS

The company news service from the London Stock Exchange

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