Director/PDMR Shareholding

Diploma PLC
23 January 2008



    12 CHARTERHOUSE SQUARE, LONDON EC1M 6AX
    TELEPHONE: [phone]
    FACSIMILE: [phone]


    FOR IMMEDIATE RELEASE


                                                                 23 January 2008


                  DIPLOMA PLC - DIRECTORS' INTERESTS IN SHARES

    Diploma PLC, the international group of specialised distribution businesses,
    has been notified that Mr JL Rennocks, the Chairman of the Company, has
    acquired a further 53,666 ordinary shares of the Company, following a
    purchase of shares today at 164.5 pence per share.


    For further enquiries please contact:

    Nigel Lingwood, Group Finance Director     020 7549 5705




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