Share Interests

Old Mutual PLC
24 September 2007


REG- Old Mutual plc Holding(s) in Company

Ref 52/07

24 September 2007

TR-1: Notification of major interests in shares

1. Identity of the issuer or the underlying         Old Mutual plc
issuer of existing shares to which voting rights 
are attached        
                         
2. Reason for the notification                      Yes
An acquisition or disposal of voting rights                                                                             
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           Legal & General Group Plc (L&G)
notification obligation:
                                               
4. Full name of shareholder(s)                     Legal & General Assurance (Pensions
(if different from 3.)                             Management Limited) (PMC)                               
                         
5. Date of the transaction (and date on which      19 September 2007
the threshold is crossed or reached if different):                  
                         
6. Date on which issuer notified                   21 September 2007         
                         
7. Threshold(s) that is/are crossed or reached:    From 3% to 4% (L&G)
                                                                  
8. Notified details
A: Voting rights attached to shares
Class/ type of shares and ISIN Code                Ordinary shares of 10p each  
                                                   ISIN GB0007389926 

Number of shares prior to triggering action        208,464,547   

Number of voting shares prior to                   208,464,547
triggering action    

Number of voting rights                            Direct 222,887,795 
                                                   Indirect

% of voting rights                                 Direct 4.04
                                                   Indirect
                                         
                                                                                                                     
                       
B: Financial Instruments                          Total (A+B)
                                                  Number of Voting rights:
                                                  222,887,795
                                                                                                             
                                                  % of voting rights
                                                  4.04%                                 
                                                             
9. Chain of controlled undertakings which the voting rights and/or financial 
instruments are effectively held, if applicable

Legal & General Group Plc (Direct and Indirect) (Group)

Legal & General Investment Management (Holdings) Limited
(LGIMH) (Direct and Indirect)

Legal & General Investment Management Limited (Indirect) (LGIM)

Legal & General Group Plc (Direct) (L&G) (222,887,795 - 4.04% = 
LGAS, LGPL & PMC)

Legal & General Investment Management (Holdings) Limited (Direct) (LGIMHD) 
(187,093,625 - 3.39% = PMC)                  

Legal & General Insurance Holdings Limited (Direct)(LGIH)

Legal & General Assurance (Pensions Management) Limited  (PMC) 
(187,093,625 - 3.39% = PMC)                              
              
Legal & General Assurance Society Limited  (LGAS & LGPL)
                                                                                                                        
Legal & General Pensions Limited (Direct)  (LGPL)

10. Name of proxy holder                            N/A              
              
11. Number of voting rights proxy holder will       N/A
cease to hold                                                          
            
12. Date on which proxy holder will cease to hold   N/A
voting rights                                                      
              
13. Additional information                          Notification using the total 
                                                    voting rights figure of 
                                                    5,507,422,598           
              
14. Contact name                                    Martin Charles Murray     
                                                   (Group Company Secretary, 
                                                    Old Mutual plc)

15. Contact telephone number                        020 7002 7109      
                                                                                                           
           


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