RNS Number:0914T

Thomson Reuters PLC

24 April 2008

Transaction in Thomson Reuters shares

NEW YORK, NY, April 24, 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

240,000 Thomson Reuters PLC ordinary shares on April 24, 2008. The average price

paid was 1556.48 pence per share. The highest price per share paid was 1560

pence and the lowest price per share paid was 1552 pence.

As of April 24, 2008, Thomson Reuters PLC had 194,107,278 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

POSIIMRTMMBTBAP