Holding(s) in Company

TT electronics PLC
25 July 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 Stockbrokers Ltd
   Gerrard Investment Management Ltd

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

   23-Jul-07

6. Date on which issuer notified:

   24-Jul-07

7. Threshold(s) that is/are crossed or reached:
 
   9% to 8%


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 Rights     Shares        Rights               rights
                                                               Direct Indirect      Direct  Indirect
GB0008711763     14,040,948    14,040,948        13,826,986    0      13,826,986    0.00    8.93


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
13,826,986                                   8.93


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 Investment Management 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:

R W Weaver
Group Finance Director
TT electronics plc


Date of Notification:

25 July 2007




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