Holding(s) in Company

Diploma PLC
28 November 2005



LETTER TO:  DIPLOMA PLC
DATED:      NOVEMBER 24, 2005


As a result of recent share transactions, the holdings of mutual funds managed
by I.G. International Management Limited now represent approximately 3.07% of
the voting rights and share capital of Diploma plc.


LETTER FROM:  I.G. INTERNATIONAL MANAGEMENT LIMITED



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