RNS Number : 0205V

Thomson Reuters PLC

21 May 2008

Notification of Transactions of Directors/Persons Discharging Managerial Responsibility or Connected Persons

NEW YORK, NY - May 21, 2008 - Thomson Reuters (NYSE: TRI; TSX: TRI; LSE: TRIL; NASDAQ: TRIN) today announced that on May 20, 2008, Devin Wenig (CEO, Markets Division) exercised 1,328,625 options granted to him under the Reuters Discretionary Share Option Plan (DSOP) in 2005-2007. For each option exercised, Mr. Wenig was entitled to receive 0.16 Thomson Reuters PLC ordinary shares and 352.5 pence per share. In order to pay the aggregate exercise price for the options, applicable taxes and commissions, Mr. Wenig sold 124,545 Thomson Reuters PLC ordinary shares of the 212,580 shares issued and he applied all of the cash consideration received upon exercise. The price per share sold was £16.47. Following this exercise and sale, Mr. Wenig acquired 88,035 Thomson Reuters PLC ordinary shares.

Mr. Wenig also exercised options under a Reuters Save-As-You-Earn (SAYE) plan in respect of 189 Reuters Group PLC American Depositary Receipts, which were equivalent to 1,134 Reuters Group PLC ordinary shares. Upon exercise, Mr. Wenig was entitled to the same consideration as his DSOP exercise described above. In order to pay the aggregate exercise price for the options, applicable taxes and commissions, Mr. Wenig sold 43 Thomson Reuters PLC ordinary shares of the 181 shares issued. The price per share sold was £16.52. Following this exercise and sale, Mr. Wenig acquired 138 Thomson Reuters PLC ordinary shares.

Following these transactions, Mr. Wenig beneficially owns 395,994 Thomson Reuters PLC ordinary shares, 453,190 Thomson Reuters Corporation restricted share units and 156,500 Thomson Reuters Corporation stock options. Mr. Wenig also beneficially owns 384,135 Reuters options, which if exercised, would entitle him to 61,461 Thomson Reuters PLC ordinary shares plus 352.5 pence per share.

Under its dual listed company structure, Thomson Reuters has two parent companies - Thomson Reuters Corporation and Thomson Reuters PLC.

Mr. Wenig's holdings do not exceed 1% of the issued share capital of either Thomson Reuters Corporation or Thomson Reuters PLC.

Thomson Reuters was notified of these transactions on May 20, 2008.

This notification relates to a transaction notified in accordance with Disclosure Rule and Transparency Rule 3.1.4R(1)(a).

Contacts:

Fred Hawrysh Frank Golden

Global Director, Corporate Senior Vice President, Investor Relations

Affairs 1.203 539 8470

1.203 539 8314 frank.golden@thomsonreuters.com

fred.hawrysh@thomsonreuters.

com

Frank DeMaria Victoria Brough

Global Director, Media Head of Corporate Communications, EMEA

Relations +44 (0) 207 542 8763

1.646 223 5507 victoria.brough@thomsonreuters.com

frank.demaria@thomsonreuters.

com

This information is provided by RNS

The company news service from the London Stock Exchange

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