Holding(s) in Company

Diploma PLC
18 June 2004


Letter to Diploma plc


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     100,000 
HSBC Global Custody Nominee (UK) Ltd A/c 357206     751,828 
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

                                                    966,585     4.26%
 
We currently have a notifiable interest in 966,585 Ordinary 5p shares which we
understand represents 4.26% 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



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