Holding(s) in Company

Diploma PLC
11 December 2002


LETTER TO: DIPLOMA PLC

LETTER DATED: 10 DECEMBER 2002


Disclosure of Interests in Shares.

We are writing to advise you that as at the date set out below, Mirabaud
Investment Management Limited, as discretionary investment manager on behalf of
its clients, had the following interests in the issued share capital of Diploma
plc:

10th December 2002 - Total number of shares interested in, amounting to 764,372
shares. This equates to 3.37% of the issued share capital of Diploma plc.


LETTER FROM: MIRABAUD INVESTMENT MANAGEMENT LIMITED


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