Holding(s) in Company

TT electronics PLC
28 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:                                    TT Electronics plc

2. Reason for the notification

An acquisition or disposal of voting rights      X

3. Full name of person(s) subject to the         Barclays PLC
notification obligation:

4. Full name of shareholder(s) (if different
from 3.)                                         Barclays Bank PLC
                                                 Barclays Capital Securities Ltd
                                                 Barclays Global Investors Ltd
                                                 Barclays Life Assurance Co Ltd
                                                 Barclays Stockbrokers Ltd
                                                 Gerrard Ltd

5. Date of the transaction and date on which the
threshold is crossed or reached:                 27-Mar-07

6. Date on which issuer notified:                28-Mar-07

7. Threshold(s) that is/are crossed or reached:  5% to 6%

8. Notified details:

A: Voting rights attached to shares
Class/type     Situation previous to the   Resulting situation after the triggering
of shares      Triggering transaction      transaction
if possible
using the      Number of    Number of      Number of    Number of voting    % of voting
ISIN CODE      Shares       Voting         shares       rights              rights
                            Rights         Direct       Direct Indirect     Direct  Indirect
GB0008711763   9,245,695    9,245,695      9,411,939    0      9,411,939    0.00    6.08

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
9,411,939                                    6.08


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

Barclays Bank PLC
Barclays Capital Securities Ltd
Barclays Global Investors Ltd
Barclays Life Assurance Co Ltd
Barclays Stockbrokers Ltd
Gerrard 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:                        Geoff Smith

15. Contact telephone number:            020 7116 2913


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

W J Sharp
Group Company Secretary
TT electronics plc

Date of Notification: 28 March 2007




                      This information is provided by RNS
            The company news service from the London Stock Exchange
      OLEAXDPADSXEFE