Holding(s) in Company

Trifast PLC 23 March 2007 TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: Trifast PLC 2. Reason for the notification (please state Yes/No): An acquisition or disposal of voting rights: No An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached: No An event changing the breakdown of voting rights: No Other (please specify): Revised notification under the Disclosure and Transparency Rules - see section 13. 3. Full name of person(s) subject to the notification obligation: FMR Corp. 4. Full name of shareholder(s) (if different from 3): Brown Brothers Harriman & Co. 5. Date of the transaction (and date on which the threshold is crossed or reached if different) : N/A: Revised notification under the Disclosure and Transparency Rules 6. Date on which issuer notified: 23 March 2007 7. Threshold(s) that is/are crossed or reached: 5% 8. Notified details: A: Voting rights attached to shares Class/type of shares if possible using Situation previous to the Triggering the ISIN CODE transaction Ordinary Shares Number of Number of voting shares Rights GB0008883927 7,142,858 7,142,858 Resulting situation after the triggering transaction Class/type of shares if possible Number of Number of voting % of voting using the ISIN CODE shares rights rights Ordinary Shares Direct Direct Indirect Direct Indirect GB0008883927 Nil Nil 7,142,858 Nil 8.46% B: Financial Instruments Resulting situation after the triggering transaction Type of Expiration Exercise/ Number of voting rights that may % of financial Date Conversion be acquired if the instrument is voting instrument Period/ Date exercised/ converted. rights N/A N/A N/A N/A N/A Total (A+B) Number of voting rights % of voting rights 7,142,858 8.46% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable Brown Brothers Harriman & Co. Proxy Voting: 10. Name of the proxy holder: FMR Corp. 11. Number of voting rights proxy holder will cease to hold: N/A 12. Date on which proxy holder will cease to hold voting rights: N/A 13. Additional information: Prior to the implementation of the Transparency Directive and the introduction of the Disclosure and Transparency Rules, FMR Corp. ("FMR") and Fidelity International Limited ("FIL") aggregated their interests for the purpose of the shareholder reporting. Under the Disclosure and Transparency Rules, FMR and FIL are now reporting their holdings separately. A separate notification has been made by FIL. The holdings notified are as the close of business on 21 March 2007. 14. Contact name: Mark Belton, Company Secretary, Trifast PLC 15. Contact telephone number: 01825 747366 This information is provided by RNS The company news service from the London Stock Exchange B

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Trifast (TRI)
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