Holding(s) in Company

RNS Number:3484L
Dimension Data Holdings PLC
20 May 2003



                  Dimension Data Holdings Plc ("the Company")

                    Disclosure of Interest in Share Capital



The Company received notification on 19 May 2003, pursuant to section 198 of the
Companies Act 1985, that as at 13 May 2003, Old Mutual Plc and its direct and
indirect subsidiaries had an interest in 169,816,511 ordinary shares of the
Company representing 12.66 per cent. of the issued share capital. The shares are
registered as follows:


Holder                                                                                    Number of shares

Old Mutual Life Assurance Company (South Africa) Ltd                                            27,815,631
Old Mutual Life Assurance Company (South Africa) Ltd                                               202,958
Old Mutual Life Assurance Company (South Africa) Ltd                                               970,764
Old Mutual Unit Trusts (SA) Limited                                                              2,602,729
Old Mutual Asset Managers (South Africa) (Pty) Ltd (Managed Fund Client Assets)                 21,116,675
Omnibon No 13 (Pty) Limited                                                                        300,000
Old Mutual Life Assurance Company (Namibia) Ltd                                                    180,321
Old Mutual Holdings (Namibia) (Pty) Ltd                                                             58,996
Old Mutual Global Asset Fund                                                                     1,421,696
Old Mutual South Africa Equity Trust Limited                                                     3,784,407
Nedbank Nominees Ltd                                                                             2,754,002
Standard Bank Nominees Ltd                                                                         203,139
Syfrets Securities Nominees (Pty) Ltd                                                               41,000
Nedcor Bank Nominees Ltd and Standard Bank Nominees (Pty) Ltd                                    2,423,093
Standard Bank Nominees (Pty) Limited                                                               299,071
Marser Nominees (Pty) Limited                                                                       89,445
Nedeurope Limited                                                                              103,134,329
Mutual & Federal Limited                                                                         1,202,880
Mutual & Federal Namibia Limited                                                                   126,840
CGU Insurance                                                                                      370,000
CGU Holdings                                                                                        11,197
Sentrasure                                                                                         180,000
Standard Bank Nominees (Transvaal) (Pty) Limited                                                   484,368
Nominee Accounts                                                                                    42,970


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