Holding(s) in Company

Diploma PLC
4 December 2002


Letter to Diploma Plc

3 December 2002

DIPLOMA PLC (THE 'COMPANY') - SEDOL 0182663

This notification supersedes our previous notification to you dated 22 November 
2002 and is prompted by sales totalling 200,000 on 2 December 2002.

This notification relates to issued ordinary shares of GBP0.05 each in the
capital of the Company (the 'shares') and is given in fulfilment of the
obligations imposed by sections 198 to 202 of the Companies Act 1985 (the
'Act').

1. Notification on behalf of Morley Fund Management Limited (a subsidiary of
Aviva plc).

1.1 We hereby notify you on behalf of Morley Fund Management Limited that
immediately after the time when the obligation to make this notification arose
Morley Fund Management Limited were interested in 1,785,562 shares.

1.2 The identity of the registered holders of the shares to which this
notification relates and the number of shares held by each of them are set out
in the Appendix shown below: Morley Fund Management Limited.

2. Notification on behalf of Aviva plc.

2.1. We hereby notify you on behalf of Aviva plc that immediately after the time
when the obligation to make this notification arose Aviva plc were interested in
1,785,562 shares giving the Aviva group a total percentage interest in the 
shares of 7.88%.

2.2 The identity of the registered holders of the shares to which this
notification relates and the number of shares held by each of them are set out
in the Appendix shown below: Aviva plc.

If you require further information as to which companies in the Aviva group hold
interests in the shares (by virtue of s.203 of the Act)please submit a written
request and we will be happy to supply this information.


APPENDIX: MORLEY FUND MANAGEMENT LIMITED

REGISTERED HOLDERS                                       NUMBER OF SHARES HELD

BNY Norwich Union Nominees Ltd                           552,581     (Material)

Chase GA Group Nominees Ltd                              716,818     (Material)

CUIM Nominee Ltd                                         440,634     (Material)

RBSTB Nominees Ltd                                        75,529     (Material)




TOTAL PERCENTAGE INTEREST OF MORLEY FUND MANAGEMENT LIMITED: 7.88%

ISSUED SHARE CAPITAL ON WHICH THIS NOTIFICATION IS BASED: 22,647,911 


APPENDIX:  AVIVA PLC

REGISTERED HOLDERS                                       NUMBER OF SHARES HELD

BNY Norwich Union Nominees Ltd                           552,581     (Material)

Chase GA Group Nominees Ltd                              716,818     (Material)

CUIM Nominee Ltd                                         440,634     (Material)

RBSTB Nominees Ltd                                        75,529     (Material)


TOTAL PERCENTAGE INTEREST OF AVIVA PLC: 7.88%

ISSUED SHARE CAPITAL ON WHICH THIS NOTIFICATION IS BASED: 22,647,911 



From:   Aviva PLC


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