Annual Report and Accounts

Diploma PLC
02 December 2005



     FOR IMMEDIATE RELEASE

                                                              2 December 2005

    SUBMISSION OF 2005 REPORT AND ACCOUNTS, NOTICE OF ANNUAL GENERAL MEETING
                                AND FORM OF PROXY
                                        

     The Annual Report and Accounts for the year ended 30 September 2005 has
     today been posted to shareholders, together with an explanatory circular
     and notice of Annual General Meeting.

     A copy of the Annual Report and Accounts is also available on request from
     the Company Secretary, Diploma PLC, 20 Bunhill Row, London, EC1Y 8UD 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:

     the Annual Report and Accounts for the financial year ended 30 September
     2005;
     an explanatory circular and notice of Annual General Meeting ('AGM') dated
     2 December 2005 sent to all shareholders entitled to vote at the meeting;
     a form of proxy in relation to the AGM;
     a Red Lined version of the Articles of Association of the Company, showing
     the proposed changes; and
     the proposed revised Articles of Association of the Company.

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

     For further enquiries please contact:
     Nigel Lingwood, Group Finance Director            020 7448 4875


     NOTE TO EDITORS:

     Diploma PLC is a specialised international distribution group operating in
     three sectors:

     Life Sciences - Distributors of Instrumentation, Consumables and related
     Services to research, development and diagnostic laboratories. Principal
     companies are Anachem Group in the UK and Germany, and Somagen in Canada.
     Seals- Next day delivery of hydraulic seal kits, gaskets and cylinder
     components, for the repair and maintenance of mobile machinery. Principal
     companies are Hercules Bulldog Sealing Products in North America and FPE in
     the UK.

     Controls - Distributors of specialised wiring, connectors and control
     devices for a range of technically demanding applications. Principal
     companies are IS Group in the UK and US, Sommer and Filcon in Germany and
     Hawco in the UK.

     Within each of these sectors, the Diploma businesses serve industry
     segments with long term growth potential and with the opportunity for
     sustainable superior margins through the quality of customer service, depth
     of technical support and value adding activities.




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