Share Interests

Old Mutual PLC
01 June 2006


                                 Old Mutual plc 

                                Share interests


Old Mutual plc (the 'Company') announces that it has today received notification
from Barclays PLC dated 30 May 2006 informing the Company that the notifiable
interest of Barclays PLC in the Company's ordinary share capital, for the
purposes of Part VI of the UK Companies Act 1985, has reduced from 5.00% to
4.87% represented by an aggregate holding of 267,304,240 shares held through the
following entities:

Absa Bank Ltd                                              756,650
Barclays Bank Trust Company Ltd                              9,587
Barclays Capital Securities Ltd                         12,042,620
Barclays Global Fund Advisors                           16,631,433
Barclays Global Investors Australia Ltd                  4,658,282
Barclays Global Investors Canada Ltd                       348,406
Barclays Global Investors Japan Ltd                      5,823,669
Barclays Global Investors Japan Trust & Banking          6,444,678
Barclays Global Investors Ltd                          111,331,321
Barclays Global Investors, N.A.                         91,728,297
Barclays Life Assurance Co Ltd                          13,067,594
Barclays Private Bank and Trust Ltd                        697,306
Barclays Private Bank Ltd                                2,892,120
Gerrard Limited                                            872,277



                                                                    1 June 2006

Enquiries:

Old Mutual plc UK
Corporate Affairs                     [phone]



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