RNS Number : 4457E
Thomson Reuters PLC
26 September 2008

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TR-1: notification of major interests in shares

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:
Thomson-Reuters PLC

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

An acquisition or disposal of voting rights
X

An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached


An event changing the breakdown of voting rights


3. Full name of person(s) subject to the notification obligation:
HSBC Holdings Plc

4. Full name of shareholder(s) (if different from 3.):
HSBC Bank plc

HSBC Financial Products (France)

HSBC Global Asset Management (Canada) Limited

HSBC Global Asset Management (International) Limited

HSBC Investment Management

HSBC Trust Company (UK) Limited

HSBC Trustee (Hong Kong) Limited

SINOPIA ASSET MANAGEMENT

Sinopia Asset Management (UK) Limited

5. Date of the transaction and date on which the threshold is crossed or reached:
25th Sep 08

6. Date on which issuer notified:
26th Sep 08

7. Threshold(s) that is/are crossed or reached:
5 %

8. Notified details:

A: Voting rights attached to shares

Class/type of shares

if possible using the ISIN CODE
Situation previous to the Triggering transaction
Resulting situation after the triggering transaction

Number of Shares
Number of Voting Rights viii
Number of shares
Number of voting rights ix
% of voting rights

Direct
Direct x
Indirect xi
Direct
Indirect

GB00B29MWZ99

10,925,008

10,925,008

9,975,627

9,975,627

469,846

5.52%

0.26%

B: Financial Instruments

Resulting situation after the triggering transaction xii

Type of financial instrument
Expiration date xiii
Exercise/ Conversion Period/ Date xiv
Number of voting rights that may be acquired if the instrument is exercised/ converted.
% of voting rights

Total (A+B)

Number of voting rights
% of voting rights

10,445,473
5.78%

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable xv:

HSBC Bank plc

Proxy Voting:

10. Name of the proxy holder:
N/A

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

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

This information is provided by RNS
The company news service from the London Stock Exchange

END