Holding(s) in Company

Diploma PLC 12 December 2003 Letter to Diploma plc Dated 12 December 2003 DIPLOMA PLC (THE 'COMPANY') - SEDOL 0182663 This notification supersedes our previous notification to you dated 24 September 2003 and is prompted by purchases totalling 5,000 on 11 December 2003. 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 1,359,408 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 below in the Appendix: 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 1,359,408 shares giving the Aviva group a total percentage interest in the shares of 6.00%. 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 below in the Appendix: 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. We are only required to notify interests which are defined as material interests when the holding is equal to 3% or more of the Company's relevant share capital. The term material interests exclude certain categories where we do not hold a beneficial interest, for example where the shares are held in an Authorised Unit Trust Scheme or Open Ended Investment Company. Holdings in those categories are therefore not included in the holding notified under this letter. If you wish us to confirm the level of holdings in these categories, please let us know. Letter from Aviva plc APPENDIX: MORLEY FUND MANAGEMENT LIMITED REGISTERED HOLDERS NUMBER OF SHARES HELD BNY Norwich Union Nominees Ltd 105,871 (Material) Chase GA Group Nominees Ltd 937,845 (Material) Chase Nominees Ltd 26,076 (Material) CUIM Nominee Ltd 212,587 (Material) RBSTB Nominees Ltd 77,029 (Material) TOTAL PERCENTAGE INTEREST OF MORLEY FUND MANAGEMENT LIMITED: 6.00% 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 105,871 (Material) Chase GA Group Nominees Ltd 937,845 (Material) Chase Nominees Ltd 26,076 (Material) CUIM Nominee Ltd 212,587 (Material) RBSTB Nominees Ltd 77,029 (Material) TOTAL PERCENTAGE INTEREST OF AVIVA PLC: 6.00% ISSUED SHARE CAPITAL ON WHICH THIS NOTIFICATION IS BASED: 22,647,911 This information is provided by RNS The company news service from the London Stock Exchange

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Diploma (DPLM)
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