Blocklisting - Interim Review

BLOCK LISTING SIX MONTHLY RETURN                        

Information provided on this form must be typed or printed electronically and
provided to an ris.

Date: 02 July 2013

Name of applicant:                              Oxford Instruments plc         
                                                                               
Period of return:                         From: 1 January    To:  30 June 2013 
                                                2013                           
                                                                               
Name of scheme:                                 ESO Scheme     Senior Executive
                                                (A3274711995)  Long-Term       
                                                               Incentive Scheme
                                                               (SELTIS)        
                                                                               
Balance of unallotted securities under scheme   354,620        120,000         
(s) from previous return:                                                      
                                                                               
Plus: The amount by which the block scheme(s)   Nil            Nil             
has been increased since the date of the last                                  
return (if any increase has been applied for):                                 
                                                                               
Less: Number of securities issued/allotted      154,947        Nil             
under scheme(s) during period (see LR3.5.7G):                                  
                                                                               
Equals: Balance under scheme(s) not yet issued/ 199,673        120,000         
allotted at end of period:                                                     

Name of contact:                        Susan Johnson-Brett                    
                                                                               
Telephone number of contact:            01865 393324