RNS Number : 1884U

Thomson Reuters PLC

12 May 2008

Release of Thomson Reuters First-Quarter 2008 Report

NEW YORK, NY - May 12, 2008 - Thomson Reuters (NYSE: TRI; TSX: TRI; LSE: TRIL; NASDAQ: TRIN) today announced that it has filed a quarterly report for the three-month period ended March 31, 2008 containing management's discussion and analysis and related financial statements. Thomson Reuters previously announced its first-quarter earnings through a news release on May 1, 2008. Please click on the link below for a PDF copy of the first-quarter report.

http://www.rns-pdf.londonstockexchange.com/rns/1884U_-2008-5-12.pdf</fip P> On April 17, 2008, The Thomson Corporation acquired Reuters Group PLC (Reuters) and was renamed Thomson Reuters Corporation. Historical results in the first-quarter report do not include results of Reuters and only reflect historical results for The Thomson Corporation. Reuters will be included in future Thomson Reuters financial statements from the closing date of the acquisition. For informational purposes, the management's discussion and analysis included in the first-quarter report contains pro forma results which estimate the performance of the Thomson Reuters business as if Thomson acquired Reuters on January 1, 2007.

The first-quarter report is available at www.thomsonreuters.com within the 'Investor Relations' section of the website. The report has also been filed with the Canadian securities regulatory authorities and is available on the SEDAR website at www.sedar.com, and it has also been furnished to the U.S. Securities and Exchange Commission through EDGAR on Form 6-K and is available at www.sec.gov. A copy of the report will be available shortly at the UKLA Document Viewing Facility of the Financial Services Authority at 25 The North Colonnade, London E14 5HS, United Kingdom.

About Thomson Reuters:

Thomson Reuters is the world's leading source of intelligent information for businesses and professionals. We combine industry expertise with innovative technology to deliver critical information to leading decision makers in the financial, legal, tax and accounting, scientific, healthcare and media markets, powered by the world's most trusted news organization. With headquarters in New York and major operations in London and Eagan, Minnesota, Thomson Reuters employs more than 50,000 people in 93 countries. Thomson Reuters shares are listed on the New York Stock Exchange (NYSE: TRI); Toronto Stock Exchange (TSX: TRI); London Stock Exchange (LSE: TRIL); and Nasdaq (NASDAQ: TRIN). For more information, go to www.thomsonreuters.com.

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 Nick Claydon

Global Director, Media Brunswick

Relations +44 (0) 207 396 3547

1.646 223 5507

frank.demaria@thomsonreuters. nclaydon@brunswickgroup.com

com

This information is provided by RNS

The company news service from the London Stock Exchange

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