Holding(s) in Company

TT electronics PLC
26 March 2007




TR-1: Notification of Major Interests in Shares

1. Identity of the issuer or the                     TT Electronics Plc
underlying issuer of existing shares to
which voting rights are attached

2. Reason for the notification

Other (please specify): Revised due to DTR rules - see Section 13    
         
3. Full name of person(s) subject to the    Fidelity International Limited (FIL)
notification obligation

4. Full name of shareholder(s) (if                  See attached schedule
different from 3.)

5. Date of the transaction (and date on           Revised due to DTR rules
which the threshold is crossed or
reached if different)

6. Date on which issuer notified                       23 March 2007

7. Threshold(s) that is/are crossed or                      N/A
reached:

8: Notified Details

A: Voting rights attached to shares
Class/type   Situation previous to the    Resulting situation after the
of shares    Triggering transaction       triggering transaction
If possible
using the    Number of   Number of Voting Number Number of Voting % of Voting
ISIN CODE    Shares      Rights           of     Rights           Rights
                                          Shares
                                          Direct Direct Indirect  Direct Indirect
GB0008711763    38,429   38,429                          38,429            0.02%


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



Total (A+B)
Number of Voting Rights                      % of Voting Rights
           38,429                                0.02%



9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable

                             See attached schedule


Proxy Voting:
10. Name of the proxy holder:              Fidelity International Limited (FIL)

11. Number of voting rights proxy holder                    N/A
will cease/acquire to hold:

12. Date on which proxy holder will cease/                  N/A
acquire to hold voting rights:


13.          As discussed with the FSA, prior to the implementation of the EU
Additional   Transparency Directive, we aggregated the interests in shares of
information: FMR Corp (FMR) and Fidelity International Limited (FIL) together
             for the purposes of shareholder reporting. According to the new DTR
             rules we are now reporting the indirect holdings of FMR and FIL
             separately. A separate notification is being submitted for FMR
             Corp. Please note these holdings are correct as of close of
             business 22 March 2007

14. Contact Name                  Sophie Hughes

15. Contact:               [e-mail]


Name of authorised official of the issuer responsible for making this
notification:


W J Sharp
Group Company Secretary
TT electronics plc

Date of Notification: 23 March 2007


FIL

Issuer name:                                          TT ELECTRONICS PLC
                                                      --------------------

Current ownership percentage:                                 0.02%

Total shares held:                                          38,429

Issued share capital:                                  154,798,103

                                                       SHARES HELD            NOMINEE          MANAGEMENT COMPANY
                        ----------------------------- -------------  ------------------------      ----------

Fidelity International Limited
(FIL) is the parent                                         38,429   JP MORGAN, BOURNEMOUTH    FISL
holding company for various direct and indirect
subsidiaries, including Fidelity Fund Management
Limited (FFML), Fidelity Investment Services Ltd
(FISL), Fidelity Gestion (FIGEST), Fidelity
Investments Advisory (Korea) Limited (FIAKL),
Fidelity Investments Management (Hong Kong)
Limited (FIMHK), Fidelity Pension Management
(FPM), Fidelity Investments Japan (FIJ) and Fidelity
Investments International (FII), investment managers
for various non-US investment companies and
institutional clients.








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