RNS Number : 6987D

Thomson Reuters PLC

17 September 2008

Transaction in Thomson Reuters shares

NEW YORK, NY, May 16, 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 270,350 Thomson Reuters PLC ordinary shares on September 17th, 2008. The average price paid was 1,350 pence per share.

As of September 17th, 2008, Thomson Reuters PLC had 180,565,754 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

END

POSLRMFTMMBBBFP