Holding(s) in Company

TT electronics PLC
21 March 2005


                                  SCHEDULE 10
                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


  1.  Name of company                     2.  Name of shareholder having a major
                                              interest
      TT ELECTRONICS PLC                      TWEEDY, BROWNE COMPANY LLC
       
  3.  Please state whether notification   4.  Name of the registered holder(s) and, if
      indicates that it is in respect of      more than one holder, the number of shares
      holding of the shareholder named        held by each of them
      in 2 above or in respect of a
      non-beneficial interest or in the
      case of an individual holder if it      SEE ATTACHED
      is a holding of that person's
      spouse or children under the age
      of 18
                                              
      
  5.  Number of      6.  Percentage of    7.  Number of shares/  8.  Percentage of issued
      shares/amount      issued class         amount of stock        class
      of stock                                disposed
      acquired
                                   
                                 
     
 9.  Class of security                    10.  Date of           11.  Date company
                                               transaction            informed
     Fully Paid Ordinary Shares of 25p         16 March 2005          21 March 2005
     each                                
    
                                           
 12.  Total holding following this        13.   Total percentage holding of issued class
      notification                              following this notification
      5,814,317                                 3.76%
                                     
 
 14.  Any additional information         15.  Name of contact and telephone number for
                                              queries
                                              M G Leigh
                                              01932 841310
 
 16.  Name and signature of authorised company official
      responsible for making this notification
      M G Leigh

Date of notification 21 March 2005




TWEEDY, BROWNE COMPANY LLC

4. Name of Registered Holders:

REGISTERED OWNER NUMBER OF SHARES
State Street Nominees Ltd, TN1D 196,000
Northern Trust AVFC London 66,700
Northern Trust AVFC London 238,300
Mellon Nominees (UK) Ltd 133,248
Northern Trust Nominees AVFC Ltd 115,781
Northern Trust AVFC London 9,219
Mellon Nominees (UK) Ltd 32,000
State Street Nominees 51,300
Banque et Caisse d'eparq 7,197
Vidacos Nominees Ltd 24,000
Mellon Nominees (UK) Ltd 4,940,572
Total: 5,814,317




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