RNS Number:1166T

Thomson Reuters PLC

25 April 2008

Webcast Alert: Thomson Reuters to Report First-Quarter 2008 Results

NEW YORK, NY, April 25, 2008 - Thomson Reuters (NYSE: TRI; TSX: TRI; LSE: TRIL;

NASDAQ: TRIN) announces the following Webcast:

Who: CEO Thomas H. Glocer and EVP& CFO Robert D. Daleo

What: Presentation and Discussion of First-Quarter 2008 Results for

Thomson Reuters

When: Thursday, May 1, 2008 @ 10 a.m. ET / 3 p.m. UKT

Where: www.thomsonreuters.com

How: Live over the Internet - To participate in the webcast, visit

www.thomsonreuters.com and click on 'Investor Relations' at the top of

the page and then 'News & Events' at the left side of the page.

Contacts: Frank Golden, Senior Vice President, Investor Relations

203-539-8470, frank.golden@thomsonreuters.com

Fred Hawrysh, Global Head, Corporate Affairs

203-539-8314, fred.hawrysh@thomsonreuters.com

The Webcast will be archived at www.thomsonreuters.com.

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.

(Minimum Requirements to listen to broadcast:

The Windows Media Player software, downloadable free from

http://www.microsoft.com/windows/default.mspx and at least a 28.8Kbps connection

to the Internet. If you experience problems listening to the broadcast, send an

email to webcastsupport@tfprn.com.)

This information is provided by RNS

The company news service from the London Stock Exchange

END

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