Holding(s) in Company

TT electronics PLC
09 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                n/a see additional information


3. Full name of person(s) subject to the
   notification obligation:                  Legal & General Group Plc (L&G)

4. Full name of shareholder(s)               Legal & General Assurance
   (if different from 3.):                   (Pensions Management) Limited (PMC)
                                                                
5. Date of the transaction and date on which 
   the threshold is crossed or reached:      n/a

6. Date on which issuer notified:            12/02/2007

7. Threshold(s) that is/are crossed 
   or reached:                               Above 3% (L&G)

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
                        
                     Number      Number of           Number of    Number of voting      % of voting
                     of          Voting              shares       rights                rights
                     Shares      Rights
                                                     Direct       Direct     Indirect   Direct  Indirect

Ord GBP0.25          4,669,945   3.01%               5,606,671    5,606,671             3.62

                     (Under S-198 on
                     29/11/2001)

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial    Expiration     Exercise/Conversion     Number of voting rights that may     % of voting
instrument           date           Period/ Date            be acquired if the instrument is     rights
                                                            exercised/ converted.              

Total (A+B)

Number of voting rights                  % of voting rights
5,606,671                                3.62

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

Legal & General Group Plc (Direct and Indirect) (Group)

Legal & General Investment Management (Holdings) Limited (LGIMH) (Direct and Indirect)

Legal & General Investment Management Limited (Indirect) (LGIM)

Legal & General Group Plc (Direct) (L&G) (5,606,671 - 3.62% = LGAS, LGPL & PMC)

Legal & General Investment Management                   Legal & General Insurance Holdings Limited
(Holdings) Limited (Direct) (LGIMHD) (4,859,113         (Direct) (LGIH)
- 3.13% = PMC)

Legal & General Assurance (Pensions Management)         Legal & General Assurance Society Limited
Limited (PMC) (4,859,113 - 3.13% = PMC)                 (LGAS & LGPL)

                                                        Legal & General Pensions Limited (Direct)
                                                        (LGPL)

Proxy Voting:
10. Name of the proxy holder:                                               N/A

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                      Notification using shares in issue figure of
    information:                    154,798,103

                                    First notification under DTR Sourcebook

14. Contact name:                   Helen Lewis

15. Contact telephone number:       020 7528 6742


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

W J Sharp
Group Company Secretary
TT electronics plc

Date of Notification: 9 March 2007




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