Blocklisting - Interim Review

SCHEDULE 5

                       BLOCK LISTING SIX MONTHLY RETURN                        

To: Listing Applications

UK Listing Authority

Financial Services Authority

25, The North Colonnade

Canary Wharf

London, E14 5HS

Please ensure the entries on this return are type

1. Name of company Oxford Instruments plc                                      

2. Name of scheme Save As You Earn Share Option Scheme                         

3. Period of return: From …1 July 2005……………………to…31 December 2005              

4.  Number and class of share(s) (amount                                       
    of stock/debt security) not issued                                         
    under scheme 200,000                                                       

5.  Number of shares issued/allotted                                           
    under scheme during period: Nil                                            

6.  Balance under scheme not yet issued/                                       
    allotted at end of period 200,000                                          

7.  Number and class of share(s) (amount                                       
    of stock/debt securities) originally                                       
    listed and the date of admission;                                          
    200,000 - 29 December 2005                                                 

Please confirm total number of shares in issue at the end of the period in     
order for us to update our records                                             
                                                                               
48,625,835                                                                     

Contact for queries: Jo Young           Address: Old Station Way, Eynsham,     
                                        Witney Oxon OX29 4TL                   

Name: Jo Young                          Telephone:[phone]                 

Person making return Name:………………………………………………….

Position:………………………………………………….Signature:………………………………………………