RNS Number:6212R
Oystertec PLC
03 November 2003

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1.     Name of company

       Oystertec plc

2.     Name of shareholder having a major interest

       Zurich Financial Services and its Group

3.     Please state whether notification indicates that it is in respect of 
       holding of the shareholder named in 2 above or in respect of a 
       non-beneficial interest or in the case of an individual holder if it is a 
       holding of that person's spouse or children under the age of 18.

       As in 2 above

4.     Name of the registered holder(s) and, if more than one holder, the number 
       of shares held by each of them

       Littledown Nominees Limited A/c 05577               -             582,890

       Littledown Nominees Limited A/c 05576               -           9,326,241

5.     Number of shares/amount of stock acquired

       Not disclosed

6.     Percentage of issued class

       Not disclosed

7.     Number of shares/amount of stock disposed

       Not disclosed

8.     Percentage of issued class

       Not disclosed

9.     Class of security

       Ordinary Shares

10.    Date of transaction

       Not disclosed

11.    Date company informed

       3rd November 2003

12.    Total holding following this notification

       9,909,131 shares

13.    Total percentage holding of issued class following this notification

       3.95%

14.    Any additional information



15.    Name of contact and telephone number for queries

       Matthew Rockett +44 (01430) 875257

16.    Name and signature of authorised company official responsible for making 
       this notification.

       Matthew Rockett Group Accountant

Date of notification: 3rd November 2003




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