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



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