Oxford Instruments plc                             

              Notification of transactions by PDMR and Connected Persons           

    On 12 January 2016 certain purchases and awards of ordinary shares of 5 pence
    each in the capital of Oxford Instruments plc (the "Company") were made under
    the all-employee Oxford Instruments Share Incentive Plan (the "SIP") including
    by and to the following Executive Directors (PDMR) and Connected Person as
    follows:

      Executive Director    No. of shares acquired No. of shares awarded
    (or Connected Person as as Partnership Shares   as Matching Shares  
           relevant)                                                    
                                                                        
          Kevin Boyd                  23                     5          
                                                                        
        Jonathan Flint                19                     4          
                                                                        
        (Claire Flint)                23                     5          

    Claire Flint is a Connected Person to Jonathan Flint by way of marriage.

    The Partnership Shares and Matching Shares were acquired at a cost of £6.69875
    each.  The Matching Shares are subject to a risk of forfeiture which will
    normally be removed on the third anniversary of award subject to the
    participant's continued employment and the retention of the linked Partnership
    Shares.  No consideration was paid by the participants for the award of the
    Matching Shares and no consideration is due on the release of the Matching
    Shares or in relation to Partnership Shares.

    The above transactions were undertaken on behalf of the above individuals by
    the trustee of the SIP and the shares were purchased on the London Stock
    Exchange.

    The above notifications are made in accordance with Rule 3.1.4 of the UKLA
    Disclosure Rules and Transparency Rules.

    Oxford Instruments plc was notified of the above transactions on 13 January
    2016.

    Name of contact and telephone number for queries: Susan Johnson-Brett, 01865
    393324.

    For and on behalf of Oxford Instruments plc

    Date:  14 January 2016