Share Interests

Old Mutual PLC
09 December 2004


                                 OLD MUTUAL PLC
                                                                                
                                Share interests
                                        

Old Mutual plc (the 'Company') announces that on 9 December 2004 it received the
following two notices:

     •    notice dated 2 December 2004 that the notifiable interest at that 
          date, for the purposes of Part VI of the UK Companies Act 1985, of 
          Barclays PLC ('Barclays') in ordinary shares of 10p each in the 
          Company, had reduced below 4.0%, to 3.97%, represented by an aggregate 
          holding of 152,812,051 shares; and

     •    notice dated 3 December 2004 that Barclays' notifiable interest in the
          ordinary share capital of the Company at that date had again increased 
          above 4.0%, to 4.02%, represented by an aggregate holding of 
          154,797,616 shares.

The Company has been informed by Barclays that its shareholding at 3 December
2004 was held through the following entities:

     Barclays Capital Securities Ltd                           766,303
     Barclays Global Investors, N.A.                        27,079,196
     Gerrard Limited                                            43,123
     Barclays Global Investors Australia Ltd                 1,308,112
     Barclays Global Investors Ltd                         112,798,851
     Barclays Private Bank Ltd                                   3,750
     Barclays Global Investors Japan Ltd                     2,436,119
     Barclays Global Investors Japan Trust & Banking           721,886
     Barclays Global Fund Advisors                             661,740
     Barclays Private Bank and Trust Ltd                        27,500
     Barclays Life Assurance Co Ltd                          8,951,036
     
                                                                 9 December 2004
Enquiries:

Old Mutual plc UK
Miranda Bellord             [phone]

Old Mutual plc SA
Nad Pillay                    [phone]


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