Holding(s) in Company

Diploma PLC
21 November 2005



     
     FOR IMMEDIATE RELEASE

                                                              21 November 2005


     Dear Sirs

     We received a letter today from Fidelity International Limited notifying us
     of their interest in 7.03% of the Company's issued share capital.


     Yours faithfully



     NP Lingwood

     Company Secretary




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