Holding(s) in Company

The Company has been notified today for the purposes of the initial
implementation of the Transparency Directive that Aberforth Partners LLP has an
indirect interest in 5,185,051 Ordinary Shares of 5p each which, represents
10.58% of the issued share capital of Oxford Instruments plc.

The number of voting rights is also 5,185,051.

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

                                                                       No of   
                                                                       Shares  
                                                                               
Aberforth Smaller Companies Trust    Nortrust Nominees Ltd A/c       2,172,000 
plc                                  Aberfrth                                  
                                                                               
Aberforth UK Small Companies Fund    Nortrust Nominees Ltd A/c       2,195,651 
                                     Aberfrth                                  
                                                                               
Aberforth Geared Capital & Income    Nortrust Nominees Ltd A/c       439,800   
Trust plc                            Aberfrth                                  
                                                                               
The Church Commissioners for England The Church Commissioners for    377,600   
                                     England (Chase GIS) Nominees              
                                     Ltd