Notice of Results

Diploma PLC
20 April 2005


     FOR IMMEDIATE RELEASE

                                   DIPLOMA PLC

                         NOTIFICATION OF INTERIM RESULTS


     Diploma PLC, the specialised international distribution group, will
     announce its Interim Results for the six month period ended 31 March 2005
     on Monday, 9 May 2005.

     A meeting for analysts will be held at 9.00 am at the London Stock
     Exchange, 10 Paternoster Square, Square, EC4M 7LS.


     20 April 2005



     For further information, please contact:

     Bruce Thompson, Chief Executive Officer        020 7638 0934
     Nigel Lingwood, Group Finance Director         020 7448 4872
     Ian Seaton, Bankside Consultants               020 7444 4157


                      This information is provided by RNS
            The company news service from the London Stock Exchange