Holding(s) in Company

Trifast PLC 22 February 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): Re-disclosure following implementation of the Transparency Directive. 3. Full name of person(s) subject to the notification obligation: Royal Mail Pensions Trustees Limited as trustee of the Royal Mail Pension Plan 4. Full name of shareholder(s) (if different from 3): N/A 5. Date of the transaction (and date on which the threshold is crossed or reached if different) : Position held on 20 January 2007 6. Date on which issuer notified: 21 February 2007 7. Threshold(s) that is/are crossed or reached: 5% 8. Notified details: None 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 4,981,125 4,981,125 Resulting situation after the triggering transaction Class/type of shares if Number of Number of voting % of voting possible using the ISIN shares rights rights CODE Direct Direct Indirect Direct Indirect Ordinary Shares GB0008883927 4,981,125 4,981,125 Nil 5.902% Nil 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 4,981,125 5.902% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable N/A Proxy Voting: 10. Name of the proxy holder: N/A 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: All voting rights held on behalf of the above entity are disclosed pursuant to DTR5.1.2. This disclosure is made by Hermes Investment Management Limited as agent on behalf of Royal Mail Pensions Trustees Limited as trustee of the Royal Mail Pension Plan. 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

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