Share Interests

Old Mutual PLC
11 December 2006

                                 Old Mutual plc

                                Share interests

Old Mutual plc (the 'Company') announces that on 7 December 2006 it received a
notice dated 6 December 2006 informing the Company that Barclays PLC, through
the legal entities listed below, had at 5 December 2006 a notifiable interest,
for the purposes of Part VI of the UK Companies Act 1985, in 4.86% of the
Company's ordinary share capital, represented by an aggregate holding of
266,934,650 shares.

Further details of the shareholdings making up this aggregate figure were as
follows:

Barclays Global Investors Ltd                                      106,965,894
                         
Barclays Global Investors, N.A.                                     89,236,625
                           
Barclays Global Fund Advisors                                       19,054,551
                           
Barclays Life Assurance Co Ltd                                      14,470,523
                                
Barclays Capital Securities Ltd                                     14,030,124
                            
Barclays Global Investors Japan Trust & Banking                      6,189,322
                           
Barclays Global Investors Japan Ltd                                  5,780,045
                           
Barclays Global Investors Australia Ltd                              4,631,613
                                
Barclays Private Bank Ltd                                            2,965,482
                             
Gerrard Limited                                                      2,096,759
                            
Barclays Private Bank and Trust Ltd                                    545,785
                               
Barclays Global Investors Canada Ltd                                   412,772
                          
Absa Portfolio Managers                                                253,593
                           
Abvest Associates (Pty) Ltd                                            169,175
                               
Barclays Capital Inc.                                                  120,000
                             
Barclays Bank Trust Company Ltd                                         12,387



                                                                11 December 2006
Enquiries:
Old Mutual plc UK

Corporate Affairs + 44 (0) 20 7002 7133




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