Annual Information Update

Oxford Instruments plc - Annual Information Update

26 April 2007

Oxford Instruments plc (the `Company) is pleased to provide an annual
information update, in accordance with the requirements of the Prospectus Rule
5.2. This update refers to information that has been published or made
available by the Company to the public over the 12 months to 26 April 2007. To
avoid an unnecessarily lengthy document, information is referred to in the
update rather than included in full.

The information referred to in this update was up to date at the time the
information was published but some information may now be out of date.

 1. Regulatory Announcements
   
Date                                    Description of Document                
                                                                               
10 May 2006                             Director/PDMR Shareholding             
                                                                               
6 June 2006                             Notice of Results                      
                                                                               
12 June 2006                            Holding(s) in Company                  
                                                                               
13 June 2006                            Final Results                          
                                                                               
13 June 2006                            Holding(s) in Company                  
                                                                               
14 June 2006                            Holding(s) in Company                  
                                                                               
21 June 2006                            Director/PDMR Shareholding x 2         
                                                                               
3 July 2006                             Blocklisting Interim Review x 3        
                                                                               
17 July 2006                            Director/PDMR Shareholding x 3         
                                                                               
18 July 2006                            Director/PDMR Shareholding             
                                                                               
24 July 2006                            Notice of AGM                          
                                                                               
10 August 2006                          Director/PDMR Shareholding x 3         
                                                                               
11 August 2006                          Holding(s) in Company x 3              
                                                                               
14 August 2006                          Holding(s) in Company                  
                                                                               
24 August 2006                          Holding(s) in Company x 2              
                                                                               
29 August 2006                          Holding(s) in Company x 2              
                                                                               
5 September 2006                        Holding(s) in Company                  
                                                                               
5 September 2006                        Director/PDMR Shareholding x 2         
                                                                               
26 September 2006                       AGM Statement                          
                                                                               
26 September 2006                       Result of AGM                          
                                                                               
1 November 2006                         Notice of Results                      
                                                                               
2 November 2006                         Holding(s) in Company                  
                                                                               
15 November 2006                        Holding(s) in Company                  
                                                                               
21 November 2006                        Interim Results                        
                                                                               
22 November 2006                        Holding(s) in Company x 4              
                                                                               
23 November 2006                        Director/PDMR Shareholding             
                                                                               
23 November 2006                        Holding(s) in Company x 2              
                                                                               
30 November 2006                        Holding(s) in Company                  
                                                                               
8 December 2006                         Additional Listing                     
                                                                               
28 December 2006                        Total Voting Rights                    
                                                                               
17 January 2007                         Blocklisting Interim Review x 2        
                                                                               
19 January 2007                         Total Voting Rights                    
                                                                               
26 January 2007                         Holding(s) in Company                  
                                                                               
1 February 2007                         Director/PDMR Shareholding             
                                                                               
1 February 2007                         Total Voting Rights                    
                                                                               
14 February 2007                        Holding(s) in Company                  
                                                                               
15 February 2007                        Director/PDMR Shareholding             
                                                                               
28 February 2007                        Holding(s) in Company x 2              
                                                                               
1 March 2007                            Total Voting Rights                    
                                                                               
6 March 2007                            Holding(s) in Company                  
                                                                               
8 March 2007                            Holding(s) in Company                  
                                                                               
16 March 2007                           Holding(s) in Company                  
                                                                               
2 April 2007                            Total Voting Rights                    
                                                                               
5 April 2007                            Trading Statement                      

 2. Documents Filed at Companies House
   
All of the documents listed below were filed with Companies House on or around
the dates indicated.

11 May 2006                       88(2) Return of Allotment of Shares x 2      
                                                                               
7 June 2006                       288c - Change of Address (Jonathan Flint)    
                                                                               
14 June 2006                      88(2) Return of Allotment of Shares          
                                                                               
10 July 2006                      88(2) Return of Allotment of Shares          
                                                                               
11 August 2006                    88(2) Return of Allotment of Shares x 2      
                                                                               
17 August 2006                    363 Annual Return                            
                                                                               
9 August 2006                     288b - Resignation of Director (Martin       
                                  Lamaison)                                    
                                                                               
10 August 2006                    288a - Appointment of Director (Kevin Boyd)  
                                                                               
13 September 2006                 88(2) Return of Allotment of Shares          
                                                                               
21 September 2006                 Annual Accounts                              
                                                                               
10 October 2006                   Res09 - Disapp, Pre Emption Rights           
                                                                               
10 October 2006                   88(2) Return of Allotment of Shares          
                                                                               
10 November 2006                  88(2) Return of Allotment of Shares x 2      
                                                                               
23 January 2007                   287 Change of Registered Office              
                                                                               
25 January 2007                   88(2) Return of Allotment of Shares          
                                                                               
1 February 2007                   288a - Appointment of Secretary              
                                                                               
1 February 2007                   288b - Resignation of Secretary              
                                                                               
16 February 2007                  88(2) Return of Allotment of Shares          
                                                                               
13 March 2007                     88(2) Return of Allotment of Shares x 5      
                                                                               
17 April 2007                     88(2) Return of Allotment of Shares          

A copy of this Annual Information Update and copies of the documents referred
to in it can be obtained from the Company Secretarial Department at the
Company's registered office:

Oxford Instruments plc
Tubney Woods
Abingdon
Oxon
OX13 5QX
Telephone [phone]