Holding(s) in Company

Diploma PLC
07 August 2006


     FOR IMMEDIATE RELEASE


                                                                  7 August 2006

     Dear Sirs

     We received a letter today from Barclays PLC notifying us of their interest
     in 5.06% of the Company's issued share capital.

     Yours faithfully


     NP Lingwood
     Company Secretary




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