Holding(s) in Company

Oxford Instruments plc has been notified by Aberforth Partners LLP of a
disposal of voting rights.

Aberforth Partners LLP has an indirect interest in 4,611,051 Ordinary Shares of
5p each which, represents 9.35% of the issued share capital of Oxford
Instruments plc.

The number of voting rights is also 4,611,051.

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

                                                                       No of   
                                                                       Shares  
                                                                               
Aberforth Smaller Companies Trust    Nortrust Nominees Ltd A/c       2,008,500 
plc                                  Aberfrth                                  
                                                                               
Aberforth UK Small Companies Fund    Nortrust Nominees Ltd A/c       1,851,851 
                                     Aberfrth                                  
                                                                               
Aberforth Geared Capital & Income    Nortrust Nominees Ltd A/c       413,300   
Trust plc                            Aberfrth                                  
                                                                               
The Church Commissioners for England The Church Commissioners for    337,400   
                                     England (Chase GIS) Nominees              
                                     Ltd