Blocklisting - Interim Review

BLOCK LISTING SIX MONTHLY RETURN                        

Information provided on this form must be typed or printed electronically.

To: The FSA

Date: __2 July________2007_

Name of applicant:                     Oxford Instruments plc                  
                                                                               
Name of scheme:                        Save As You Earn Share Option Scheme    
                                                                               
Period of return:            From:     01 January 2007 To:    30 June 2007     
                                                                               
Balance under scheme from previous     187,474                                 
return:                                                                        
                                                                               
The amount by which the block scheme   N/A                                     
has been increased, if the scheme has                                          
been increased since the date of the                                           
last return:                                                                   
                                                                               
Number of securities issued/allotted   78,883                                  
under scheme during period:                                                    
                                                                               
Balance under scheme not yet issued/   108,591                                 
allotted at end of period                                                      
                                                                               
Number and class of securities         200,000 Ordinary Shares 29/12/05        
originally listed and the date of                                              
admission                                                                      
                                                                               
Total number of securities in issue at 49,308,122                              
the end of the period                                                          

Name of contact:                        Jo Young                               
                                                                               
Address of contact:                     Tubney Woods, Abingdon, Oxon OX13 5QX  
                                                                               
Telephone number of contact:            01865 393432                           

SIGNED BY ____Jo Young__________________________________________

Director/company secretary/suitably experienced employee/duly authorised
officer,

for and on behalf of

_____Oxford Instruments plc__________________________________________

Name of applicant

If you knowingly or recklessly give false or misleading information you may be
liable to prosecution.