Director/PDMR Shareholding

Diploma PLC
29 May 2007



    FOR IMMEDIATE RELEASE

                                                                    29 May 2007


                  DIPLOMA PLC - DIRECTORS' INTERESTS IN SHARES

  Diploma PLC, the international group of specialised distribution businesses,
  has been notified that Mr I Grice, a Non-Executive Director of the Company,
  has become beneficially interested in 3,000 ordinary shares of the Company,
      following a purchase of shares on 25 May 2007 at 949 pence per share.



    For further enquiries please contact:


    Nigel Lingwood, Group Finance Director     020 7448 4875




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