Holding(s) in Company

SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES                   

All relevant boxes should be completed in block capital letters.

1. Name of company                   2. Name of shareholder having a major     
                                        interest                               
   OXFORD INSTRUMENTS PLC                                                      
                                        SIR MARTIN FRANCIS WOOD                

3. Please state whether notification 4. Name of the registered holder(s) and,  
   indicates that it is in respect      if more than one holder, the number of 
   of holding of the shareholder        shares held by each of them            
   named in 2 above or in respect of                                           
   a non-beneficial interest or in      SIR MARTIN FRANCIS WOOD - 2,089,730    
   the case of an individual holder                                            
   if it is a holding of that           LADY KATHLEEN AUDREY WOOD - 1,553,800  
   person's spouse or children under                                           
   the age of 18                                                               
                                                                               
   SHAREHOLDER NAMED IN 2 ABOVE                                                

5. Number of      6. Percentage of  7. Number of shares 8. Percentage of      
   shares/amount     issued class      /amount of stock    issued class       
   of stock                            disposed                               
   acquired          0.4%                                                     
                                                                              
   17,500                                                                     

9. Class of security                10. Date of          11. Date company      
                                        transaction          informed          
   ORDINARY SHARES OF £0.05P EACH                                              
                                        16 APRIL 2003        30 APRIL 2003     

12. Total holding following this     13. Total percentage holding of issued    
    notification                         class following this notification     
                                                                               
    3,643,530                            7.6%                                  

14. Any additional information       15. Name of contact and telephone number  
                                         for queries                           
                                                                               
                                         DELLA GORHAM                          
                                                                               
                                         01865 884657                          

16. Name and signature of authorised company official responsible for making   
    this notification                                                          
                                                                               
    DELLA GORHAM                                                               
                                                                               
Date of notification _________30THAPRIL____________2003_____