Holding(s) in Company

Old Mutual PLC
08 May 2008


REG- Old Mutual plc Holding(s) in Company

Ref 110/08

8 May 2008

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:                                           Old Mutual plc
                         
2.    Reason for the notification:
      
      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

      Other (please specify):

3.    Full name of person(s) subject to the               Lehman Brothers
      notification obligation:                            International (Europe)

4.    Full name of shareholder(s) 
      (if different from 3.)                              N/A

5.    Date of the transaction (and date on which the 
      threshold is crossed or reached if different):      1 May 2008            
                         
6.    Date on which issuer notified                       6 May 2008  
                        
7.    Threshold(s) that is/are crossed or reached:        4%

8.    Notified details

A:   Voting rights attached to shares
 
Class/ type   Number of   Number of 
of shares     shares      voting shares 
and           prior to    prior to           
ISIN          triggering  triggering     Number of              % of voting 
Code          action      action         voting rights          rights
------------  ----------  -------------  ---------------------  ----------------       
Ordinary      Below 3%    Below 3%       Direct       Indirect  Direct  Indirect 
shares of                                229,489,4096  N/A       4.34%   N/A
10p each                     
ISIN 
GB0007389926                                                                           
------------  ----------  -------------  ---------------------  ----------------
                          
B:    Financial Instruments

Total (A+B)                                              
Number of Voting rights: 229,489,406     % of voting rights: 4.34%


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

10.    Name of 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:                        N/A

14.    Contact name:                                  Martin Charles Murray
                                                      (Group Company Secretary, 
                                                        Old Mutual plc)

15.    Contact telephone number:                      020 7002 7109








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