Holding(s) in Company

Rathbone Brothers PLC
12 April 2007



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):

Rathbone Brothers Plc


2. Reason for the notification (please place an X inside the appropriate bracket
/s):


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: ( )


Other (please specify) : ( )


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

BlackRock, Inc.


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



5. Date of the transaction (and date on which the threshold is crossed or
reached if different):

11 April 2007


6. Date on which issuer notified:

12 April 2007


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

Gone over 5%


8. Notified details:


A: Voting rights attached to shares

Class/type of shares if possible using    Situation previous to the Triggering
the ISIN CODE                             transaction
                                          Number of       Number of voting
                                          shares          Rights

GB0002148343                              N/A             N/A
Ordinary 5p shares










Resulting situation after the triggering transaction

Class/type of shares if possible  Number of  Number of voting    % of voting
using the ISIN CODE               shares     rights              rights

                                  Direct     Direct Indirect     Direct Indirect

GB0002148343                      N/A        N/A     2,204,447   N/A      5.19%
Ordinary 5p shares


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



N/A         N/A        N/A           N/A                                N/A


Total (A+B)
Number of voting rights                      % of voting rights

                                 2,204,447                                5.19%

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable:
BlackRock Investment Management (UK) Limited - 2,204,447 (5.19%)


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:


13. Additional information:


14. Contact name: Thomas Hone, BlackRock, Inc

33 King William Street, London EC4R 9AS


15. Contact: 020 7743 2098


Richard Loader, Company Secretary

020 7399 0000

12 April 2007



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