Holding(s) in Company

Diploma PLC
07 February 2006


     FOR IMMEDIATE RELEASE


                                                               7 February 2006


     Dear Sirs

     We received a letter today from F&C Asset Management plc notifying us of
     their interest in 8.39% of the Company's issued share capital.

     Yours faithfully



     NP Lingwood
     Company Secretary




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