RNS Number:5054J
Applied Optical Technologies PLC
01 April 2003




Applied Optical Technologies plc (the "Company")



1 April 2003



Holding in Company



The Company has received today notification that, as at 27 March 2003, The Royal
Bank of Scotland Group plc is interested in 3,298,336 ordinary shares
representing 6.18 per cent of the issued ordinary share capital of the Company.
The registered holder of these shares is Mellon Nominees UK Ltd NIFF 3000102.



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