RNS Number:9293T

Thomson Reuters PLC

07 May 2008

Transaction in Thomson Reuters shares

NEW YORK, NY, May 7, 2008 - Thomson Reuters (NYSE: TRI; TSX: TRI; LSE: TRIL:

NASDAQ: TRIN), the world's leading source of intelligent information for

businesses and professionals in the financial, legal, tax and accounting,

scientific, healthcare, and media markets, today announced the re-purchase of

450,000 Thomson Reuters PLC ordinary shares on May 7, 2008. The average price

paid was 1542.5 pence per share. The highest price per share paid was 1570 pence

and the lowest price per share paid was 1515 pence.

As of May 7, 2008, Thomson Reuters PLC had 193,939,742 ordinary shares

outstanding. The re-purchased shares of Thomson Reuters PLC will be cancelled.

This information is provided by RNS

The company news service from the London Stock Exchange

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