RNS Number:8230S

Thomson Reuters PLC

22 April 2008

Transaction in Thomson Reuters shares

NEW YORK, NY, April 22, 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 that 209,827 ordinary

shares of Thomson Reuters PLC were purchased by Thomson Reuters Corporation on

April 21, 2008. The average price paid was 1546.77 pence per share. The highest

price per share paid was 1550 pence and the lowest price per share paid was 1536

pence.

As of April 21, 2008, Thomson Reuters PLC had 194,107,278 ordinary shares

outstanding. All of the shares purchased under the buyback program will be

transferred to Thomson Reuters PLC for cancellation.

This information is provided by RNS

The company news service from the London Stock Exchange

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