Holding(s) in Company

Diploma PLC 16 February 2007 TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES (1). Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached (ii): DIPLOMA PLC 2. Reason for the notification (please tick the appropriate box or boxes): An acquisition or disposal of voting rights: ( ) An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached: ( ) An event changing the breakdown of voting rights: ( ) Other (please specify) : ( X ) ................. 3. Full name of person(s) subject to the notification obligation (iii): Barclays PLC 4. Full name of shareholder(s) (if different from 3.) (iv): Barclays Capital Securities Ltd Barclays Global Investors Ltd Barclays Life Assurance Co Ltd Barclays Stockbrokers Ltd 5. Date of the transaction and date on which the threshold is crossed or reached if different) (v): 14-Feb-07 6. Date on which issuer notified: 15-Feb-07 7. Threshold(s) that is/are crossed or reached: 10% to 9% 8. Notified details: ................. A: Voting rights attached to shares Class/type of shares Situation previous to if possible using the the Triggering ISIN CODE transaction (vi) Number of shares Number of voting Rights (viii) GB0001826634 2,325,050 2,325,050 Resulting situation after the triggering transaction (vii) Class/type of shares Number of shares Number of voting rights % of voting rights if possible using (ix) the ISIN CODE Direct Direct (x) Indirect (xi) Direct Indirect GB0001826634 2,233,231 2,233,231 9.86 B: Financial Instruments Resulting situation after the triggering transaction (xii) Type of Expiration Date Exercise/Conversion Number of voting % of voting financial (xiii) Period/ Date (xiv) rights that may be rights instrument acquired if the instrument is exercised/ converted. Total (A+B) Number of voting rights % of voting rights 2,233,231 9.86 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable (xv): Barclays Capital Securities Ltd Barclays Global Investors Ltd Barclays Life Assurance Co Ltd Barclays Stockbrokers Ltd Proxy Voting: 10. Name of the proxy holder: ................. 11. Number of voting rights proxy holder will cease to hold: ................. 12. Date on which proxy holder will cease to hold voting rights: ................. 13. Additional information: ................. 14. Contact name: ................. 15. Contact telephone number: ................. Annex Notification Of Major Interests In Shares (XVI) A: Identity of the person or legal entity subject to the notification obligation Full name (including legal form for legal entities): Barclays PLC Contact address (registered office for legal entities): 1 Churchill Place London, E14 5HP Phone number: 020 7116 2913 Other useful information (at least legal representative for legal persons): B: Identity of the notifier, if applicable (xvii) Full name: Geoff Smith Contact address: BARCLAYS PLC 1 Churchill Place London, E14 5HP Phone number: 020 7116 2913 Other useful information (e.g. functional relationship with the person or legal entity subject to the notification obligation): ................. C: Additional information : Since the Transparency Directive came into effect on 20th January 2007, we have moved from the previous Company Act notifications to a much more detailed TR1 Form. In order to provide you with timely and accurate notifications, we have refined our reporting systems and have detected a need to provide with a revision on a previous notification issued on 5th February 2007. The enclosed notification shows the interest in shares and the percentage of voting rights as at 14th February 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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