Holding(s) in Company

TT electronics PLC
16 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

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

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 Private Bank and Trust Ltd
                                                    Barclays Stockbrokers Ltd
                                                    Gerrard Ltd

5. Date of the transaction and date on which
   the threshold is crossed or reached:             14-Mar-07

6. Date on which issuer notified:                   15-Mar-07

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

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  Indirect    Direct  Indirect
GB0008711763   9,722,790    9,722,790        9,263,045    0       9,263,045   0.00    5.98

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
9,263,045                                    5.98


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 Private Bank and Trust 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: 16 March 2007



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