Holding(s) in Company

Diploma PLC
20 October 2005



     FOR IMMEDIATE RELEASE
     
                                                              20 October 2005
     Dear Sirs


     We received a letter today from Fidelity International Limited notifying us
     of their interest in 6.11% of the Company's issued share capital.


     Yours faithfully


     NP Lingwood

     Company Secretary




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