Holding(s) in Company

Diploma PLC
8 April 2002


Letter to Diploma Plc

Re: Diploma Plc (ORD shares) - Sedol 0182663

In compliance with section 198 of the Companies Act 1985 I am writing to advise
you that I have, today, been notified that the following interests are held on
behalf of our private clients by Carr Sheppards Crosthwaite Limited, and
Investec Asset Management subsidiaries of Investec Holdings (UK) Limited. These
holdings represent an interest of 3.58%.


Total Consolidated Holdings:                                    810,990

Carr Sheppards Crosthwaite Limited
- Ferlim Nominees Limited                           77,350
- Carr Pep Nominees Limited                          3,390

Investec Asset Management holds for various
charities and trusts                               730,250


Letter from Sophie Ball
Investec Bank (UK) Limited


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