Holding(s) in Company

Zytronic PLC
16 May 2003

Zytronic Plc ('the Company') announces that it received notification today from
Singer & Friedlander Investment Management Limited that it has a revised
notifiable interest in 1,561,349 ordinary shares in the capital of the Company
representing approximately 10.92% of the issued ordinary share capital. These
shares are held on behalf of discretionary clients.


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