Holding(s) in Company

The Company has been notified today for the purposes of Part VI of the
Companies Act 1985 that Aberforth Partners has a notifiable interest in
10,706,034 Ordinary Shares of 5p each which, represents 22.34% of the issued
share capital of Oxford Instruments plc. This interest arises as a result of
the discretionary investment management powers that Aberforth Partners can
exercise over the funds of their clients. Aberforth Partners is not the
beneficial owner of these shares.

The shares to which this notification relates are registered as follows:

                Registered Holder                        Number of Shares      
                                                                               
Clydesdale Bank (Head Office) Nominees Limited A/c          2,069,700          
                     ABERFIT1                                                  
                                                                               
Clydesdale Bank (Head Office) Nominees Limited A/c          1,111,600          
                     ABERFIT2                                                  
                                                                               
Clydesdale Bank (Head Office) Nominees Limited A/c          1,588,700          
                     ABERFUT1                                                  
                                                                               
Clydesdale Bank (Head Office) Nominees Limited A/c          2,745,000          
                     ABERLP1A                                                  
                                                                               
Clydesdale Bank (Head Office) Nominees Limited A/c          2,745,000          
                     ABERLP1B                                                  
                                                                               
            State Street Nominees Ltd                        446,034           
                                                                               
                     A/c JD59