Holding(s) in Company

Zytronic PLC
10 March 2005

10 March 2005



                                  Zytronic plc



Zytronic plc ('the Company') announces that it received notification today that
Singer & Friedlander Investment Management Limited has a revised notifiable
interest in 1,425,138 Ordinary Shares in the Company representing 9.97% of the
issued ordinary share capital.


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