Holding(s) in Company

RM PLC
11 October 2007


TR-1:               Notification of major interests in shares


1. Identity of the issuer or the underlying issuer of existing                   RM Plc
shares to which voting rights are attached:
2. Reason for the notification (yes/no)
An acquisition or disposal of voting rights                                                      Yes
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                        Schroders plc
obligation:
4. Full name of shareholder(s) (if different from 3.)
5. Date of the transaction and date on which the threshold is                   10/10/2007
crossed or reached:
6. Date on which issuer notified:                                              11/10/2007
7. Threshold(s) that is/are crossed or reached:                                 19% - 18%


8. Notified details:


A: Voting rights attached to shares
Class/type of    Situation previous to Resulting situation after the triggering transaction
shares           the Triggering
                 transaction
 if possible     Number of  Number of  Number of    Number of voting rights   % of voting rights
using the ISIN   Shares     Voting     shares
CODE                        Rights     Direct       Direct       Indirect     Direct       Indirect
 Ordinary        18,413,478 18,413,478 N/A          N/A          17,092,645   N/A          18.447%

GB0002870417


B: Financial Instruments
Resulting situation after the triggering transaction
Type of financial    Expiration date Exercise/ Conversion      Number of voting rights    % of voting
instrument                           Period/ Date              that may be acquired if    rights
                                                               the instrument is
                                                               exercised/ converted.



Total (A+B)
Number of voting rights                            % of voting rights
                    
17,092,645                                            18.447%


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

                        Schroder Investment Management Limited    15,329,174   16.54%

                  Schroder Investment Management North America Limited    1,763,471   1.90%




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


        13. Additional information:             The shares referred to in section 9 are held in portfolios
                                               managed by those firms on a discretionary basis for clients
                                                         under investment management agreements.
14. Contact name:                                                      Andrea Rowe
15. Contact telephone number:                                         020 7658 2521




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