Holding(s) in Company

Diploma PLC
2 August 2004

Letter to Diploma


Disclosure of Interest in shares Under Section 198
 
Please find below the details of the notifiable interest of Legal & General
Group plc and/or its subsidiaries in the relevant share capital of your company:

Material Interest

HSBC Global Custody Nominee (UK) Ltd A/C 914945       9,590
HSBC Global Custody Nominee (UK) Ltd A/c 775245      93,597 
HSBC Global Custody Nominee (UK) Ltd A/c 357206     670,798 
HSBC Global Custody Nominee (UK) Ltd A/c 747381      43,200 
HSBC Global Custody Nominee (UK) Ltd A/c 866203      32,517 
HSBC Global Custody Nominee (UK) Ltd A/c 360509      29,450

                                                    879,152     3.88%
 
We currently have a notifiable interest in 879,152 Ordinary 5p shares which we
understand represents 3.88% of that class of your share capital calculated on an
issued share capital of 22,647,911 Ordinary 5p shares.


Letter from Legal & General Investment Management




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