Share interests

Old Mutual PLC
03 April 2003


                                 OLD MUTUAL PLC

                                 Share interests


Old Mutual plc has been informed, by a letter dated 31 March 2003 received
today, that the notifiable interest, for the purposes of Part VI of the
Companies Act 1985, of Barclays PLC in the ordinary shares of 10p each in Old
Mutual plc has increased to 4.00%.

The shares are held through the following entities:
                                                                     Holding

Barclays Global Investors Japan Investment Trust                     103,477
Barclays Global Fund Advisors                                        382,375
Barclays Global Investors Australia Ltd                              540,311
Barclays Capital Securities Ltd                                   20,144,598

Barclays Global Investors Ltd                                    100,590,895
Barclays Global Investors Japan Trust & Banking                      935,284
Barclays Nikko Global Investors Ltd                                  374,633
Barclays Global Investors, N.A.                                   18,704,744
Barclays Life Assurance Co Ltd                                    11,635,444
Total Holding                                                    153,411,761


                                                                3 April 2003

Enquiries:
James Poole, Director Corporate Affairs                 (44) (0)20 7569 0100


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