Notice of AGM

Diploma PLC
10 December 2007



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

    FOR IMMEDIATE RELEASE

                                                               10 December 2007


                  SUBMISSION OF 2007 ANNUAL REPORT, NOTICE OF
                    ANNUAL GENERAL MEETING AND FORM OF PROXY
                                        
    The Annual Report for the year ended 30 September 2007 has today been posted
    to shareholders, together with an explanatory Circular and Notice of Annual
    General Meeting.

    A copy of the Annual Report is also available on request from the Company
    Secretary, Diploma PLC, 12 Charterhouse Square, London, EC1M 6AX or from the
    Company's website: www.diplomaplc.com

    The Company has today submitted two copies of the following documents to the
    UKLA at the Document Viewing Facility for inspection:

    (a) the Annual Report for the financial year ended 30 September 2007;
    (b) an explanatory circular and notice of Annual General Meeting 
       ('AGM') dated 10 December 2007 sent to all shareholders entitled to vote 
        at the meeting; and 
    (c) a form of proxy in relation to the AGM.

    A copy of (a) and (b) above will also be available on the Company's website.


    For further enquiries please contact:

    Nigel Lingwood, Group Finance Director        020 7549 5705




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