Director Shareholding

Diploma PLC
20 February 2004


FOR IMMEDIATE RELEASE                                           20 February 2004



                  DIPLOMA PLC - DIRECTORS' INTERESTS IN SHARES

Diploma PLC, the international specialised distribution group, has been informed
that Ogier Employee Benefit Trustee Limited, as trustee of the Diploma Employee
Benefit Trust, purchased on Wednesday, 18 February 2004, 52,867 ordinary shares
in the Company at a price of £5.00.

Each of the Executive Directors of the Company, BM Thompson, I Henderson, NP
Lingwood, is deemed to be beneficially interested in all the shares held in the
Trust from time to time by virtue of being a potential beneficiary under the
Trust.


For further enquiries please contact:

Bruce Thompson, Chief Executive Officer        020 7638 0934
Nigel Lingwood, Group Finance Director         020 7448 4875



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