Holding(s) in Company

Diploma PLC
08 December 2005


     FOR IMMEDIATE RELEASE


                                                              8 December 2005

     Dear Sirs

     We received a letter today from Fidelity International Limited notifying us
     of their interest in 8.13% of the Company's issued share capital.

     Yours faithfully



     NP Lingwood
     Company Secretary




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