RNS Number:9292S

Thomson Reuters PLC

23 April 2008

TR-1: notification of major interests in shares

1. Identity of the issuer or the Thomson Reuters PLC

underlying issuer of existing shares to --------------------

which voting rights are attached

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2. Reason for the notification (please tick the appropriate box or

boxes) ------

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An acquisition or disposal of voting rights X

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An acquisition or disposal of financial instruments which may result in

the acquisition of shares already issued to which voting rights are ------

attached

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An event changing the breakdown of voting rights

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Other (please specify):___________________________________________

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3. Full name of person(s) subject to the Bear, Stearns International Trading Ltd

notification obligation: --------------------

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4. Full name of shareholder(s) (if

different from 3.): --------------------

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5. Date of the transaction (and date on 21/11/2008

which the threshold is crossed or reached --------------------

if different:

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6. Date on which issuer notified: 23/11/2008

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7. Threshold(s) that is/are crossed or Over 3%

reached: --------------------

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8. Notified details:

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A: Voting rights attached to shares

Class/type Situation Resulting situation after the triggering transaction

of shares previous to the

Triggering

transaction

if possible

using the Number Number of Number of Number of voting % of voting

ISIN CODE of Voting shares rights rights

Shares Rights

Direct Direct Indirect Direct Indirect

GB00B29MWZ99 Under Under 3% 6,793,079 6,793,079 3.503%

3%

B: Financial Instruments

Resulting situation after the triggering transaction

Type of Expiration Exercise/ Number of voting rights that may % of

financial date Conversion be acquired if the instrument is voting

instrument Period/ Date exercised/ converted. rights

Total (A+B)

Number of voting rights % of voting rights

6,793,079 3.503%

9. Chain of controlled undertakings through which the voting rights and/or the

financial instruments are effectively held, if applicable:

Proxy Voting:

10. Name of the proxy holder:

11. Number of voting rights proxy holder will cease to hold:

12. Date on which proxy holder will cease to hold voting rights:

This information is provided by RNS

The company news service from the London Stock Exchange

END

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