Share Interests

Old Mutual PLC
15 June 2007


REG- Old Mutual plc Holding(s) in Company

15 June 2007

TR-1: Notification of major interests in shares

1. Identity of the issuer or the             Old Mutual plc
underlying issuer of existing shares 
to which voting rights are attached        
                         
2. Reason for the notification
An acquisition or disposal of voting         Yes
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           Legal & General Group Plc (L&G)
to the notification obligation:
                                                 
4. Full name of shareholder(s)              Legal & General Assurance (Pensions
(if different from 3.)                      Management Limited) (PMC)                                       
                        
5.       Date of the transaction            12 June 2007
(and date on which the threshold is 
crossed or reached if different):                  
                         
6. Date on which issuer notified            13 June 2007                  
                         
7. Threshold(s) that is/are crossed         From 4% to 3% (L&G)
or reached:                                                                   
                         
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        208,755,705
action    

Number of voting shares prior to            208,755,705 
triggering action    

Number of voting rights                     Direct    208,464,457
                                            Indirect

% of voting rights                          Direct    3.99
                                            Indirect                                              
                                   
                                                                                          
                           
B: Financial Instruments

Total (A+B)                                 Number of Voting rights: 208,464,457                                  
                                 
% of voting rights                          3.99%
                                                                                   
                                                             
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) (208,464,457 - 3.99% = 
LGAS, LGPL & PMC)

Legal & General Investment Management (Holdings) Limited (Direct) (LGIMHD) 
(172,995,258 - 3.31% = PMC)                  
              
Legal & General Insurance Holdings Limited (Direct)(LGIH)
                                                                                                                        
              
Legal & General Assurance (Pensions Management) Limited  (PMC) 
(172,995,258 - 3.31% = 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              N/A 
holder will cease to hold                                                          
              
12. Date on which proxy holder will            N/A
cease to hold voting rights                                                      
              
13. Additional information                    Notification using the total 
                                              voting rights figure of
                                              5,213,150,638                                   
                                                                               
14. Contact name                              Martin Charles Murray         
                                             (Group Company Secretary, 
                                              Old Mutual plc)

15. Contact telephone number                  020 7002 7109               
             








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