Director/PDMR Shareholding

NOTIFICATION OF TRANSACTIONS OF DIRECTORS' DEALINGS

Oxford Instruments plc (the "Company") announces that the following director's
dealing took place:

On 11 December 2013, Kevin Boyd acquired ordinary shares of 5p each in the
Company upon the exercise of approved options granted under the Oxford
Instruments 2001 Executive Share Option Scheme "ESOS". All shares acquired in
this way were retained by the director.

                     ESOS Options exercised and shares sold                    
                                                                               
                     No. of       Base option No. of       Shares     Shares   
                     options      price       shares       sold       retained 
                     exercised                acquired                         
                                                                               
Kevin Boyd           7,371        203.5p      7,371        nil        7,371    
                                                                               
Finance Director                                                               

Following this transaction, Kevin Boyd now holds the following number of
ordinary shares of 5p in the Company:-

                                     Kevin Boyd         
                                                        
                                  Finance Director      
                                                        
Interest in shares before              78,914           
notification                                            
                                                        
Total interest in shares               86,285           
following this notification                             
                                                        
% of issued share capital              0.15%            

This notice is given in fulfilment of the obligations under DTR 3.1.4R(1)

11 December 2013

Susan Johnson-Brett

Company Secretary

Oxford Instruments plc

Tel: [phone]

Email: [e-mail]