Annual Information Update

Oxford Instruments plc - Annual Information Update

21 April 2011

This information is made by Oxford Instruments plc (the "Company") as required
by and pursuant to Prospectus Rule 5.2 and not for any other purpose. This
update refers to information that has been published or made available by the
Company to the public up to 21 April 2011. 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information was published but some information may now be out of date.

Regulatory Announcements

The following UK regulatory announcements have been made via the Regulatory
Information Service:

Date                Description of Document           
                                                      
18 Apr 2011         Holding(s) in Company             
                                                      
06 Apr 2011         Pre-close Trading Update          
                                                      
04 Apr 2011         Total Voting Rights               
                                                      
30 Mar 2011         Director/PDMR Shareholding        
                                                      
30 Mar 2011         Additional Listing                
                                                      
24 Mar 2011         Holding(s) in Company             
                                                      
17 Mar 2011         Holding(s) in Company             
                                                      
03 Mar 2011         Total Voting Rights               
                                                      
01 Mar 2011         Director/PDMR Shareholding        
                                                      
25 Feb 2011         Holding(s) in Company             
                                                      
02 Feb 2011         Total Voting Rights               
                                                      
02 Feb 2011         Director/PDMR Shareholding        
                                                      
31 Jan 2011         Director/PDMR Shareholding        
                                                      
21 Jan 2011         Holding(s) in Company             
                                                      
19 Jan 2011         Interim Management Statement      
                                                      
10 Jan 2011         Director/PDMR Shareholding        
                                                      
10 Jan 2011         Director/PDMR Shareholding        
                                                      
04 Jan 2011         Blocklisting - Interim Review     
                                                      
04 Jan 2011         Total Voting Rights               
                                                      
04 Jan 2011         Director/PDMR Shareholding        
                                                      
22 Dec 2010         Revolving Credit Facility         
                                                      
21 Dec 2010         Holding(s) in Company             
                                                      
08 Dec 2010         Total Voting Rights               
                                                      
01 Dec 2010         Director/PDMR Shareholding        
                                                      
22 Nov 2010         Holding(s) in Company             
                                                      
22 Nov 2010         Director Declaration              
                                                      
16 Nov 2010         Half Yearly Report                
                                                      
12 Nov 2010         Director/PDMR Shareholding        
                                                      
01 Nov 2010         Director/PDMR Shareholding        
                                                      
01 Nov 2010         Total Voting Rights               
                                                      
18 Oct 2010         Holding(s) in Company             
                                                      
04 Oct 2010         Total Voting Rights               
                                                      
01 Oct 2010         Director/PDMR Shareholding        
                                                      
01 Oct 2010         Director/PDMR Shareholding        
                                                      
20 Sep 2010         Director/PDMR Shareholding        
                                                      
17 Sep 2010         Blocklisting - Application        
                                                      
16 Sep 2010         Dividend - Amendment              
                                                      
15 Sep 2010         Result of AGM                     
                                                      
14 Sep 2010         AGM Statement                     
                                                      
03 Sep 2010         Total Voting Rights               
                                                      
02 Sep 2010         Director/PDMR Shareholding        
                                                      
16 Aug 2010         Holding(s) in Company             
                                                      
12 Aug 2010         Interim Management Statement      
                                                      
03 Aug 2010         Total Voting Rights               
                                                      
03 Aug 2010         Holding(s) in Company             
                                                      
29 Jul 2010         Director/PDMR Shareholding        
                                                      
15 Jul 2010         Holding(s) in Company             
                                                      
07 Jul 2010         Blocklisting - Interim Review     
                                                      
07 Jul 2010         Total Voting Rights               
                                                      
02 Jul 2010         Holding(s) in Company             
                                                      
02 Jul 2010         Holding(s) in Company             
                                                      
30 Jun 2010         Director/PDMR Shareholding        
                                                      
18 Jun 2010         Holding(s) in Company             
                                                      
15 Jun 2010         Final Results                     
                                                      
14 Jun 2010         Holding(s) in Company             
                                                      
01 Jun 2010         Director/PDMR Shareholding        
                                                      
26 May 2010         Director Declaration              
                                                      
12 May 2010         Annual Information Update         
                                                      
04 May 2010         Director/PDMR Shareholding        
                                                      
04 May 2010         Total Voting Rights               

Copies of these documents can be obtained from the London Stock Exchange at
www.londonstockexchange.com

Documents Filed at Companies House

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

Date                Description of Document                          
                                                                     
20/04/2011          CH01 - DIRECTOR'S CHANGE OF PARTICULARS          
                                                                     
04/04/2011          SH01 - STATEMENT OF CAPITAL                      
                                                                     
04/04/2011          SH01 - STATEMENT OF CAPITAL                      
                                                                     
03/03/2011          SH01 - STATEMENT OF CAPITAL                      
                                                                     
02/02/2011          SH01 - STATEMENT OF CAPITAL                      
                                                                     
14/01/2011          MG02 - SATISFACTION OF A CHARGE                  
                                                                     
04/01/2011          SH01 - STATEMENT OF CAPITAL                      
                                                                     
04/01/2011          MG01 - PARTICULARS OF A CHARGE                   
                                                                     
20/12/2010          MG02 - SATISFACTION OF A CHARGE                  
                                                                     
20/12/2010          MG02 - SATISFACTION OF A CHARGE                  
                                                                     
20/12/2010          MG02 - SATISFACTION OF A CHARGE                  
                                                                     
08/12/2010          SH01 - STATEMENT OF CAPITAL                      
                                                                     
03/11/2010          SH01 - STATEMENT OF CAPITAL                      
                                                                     
26/10/2010          SH01 - STATEMENT OF CAPITAL                      
                                                                     
28/09/2010          AA - ANNUAL ACCOUNTS                             
                                                                     
27/09/2010          Mem/Arts - ARTICLES OF ASSOCIATION               
                                                                     
03/09/2010          SH01 - STATEMENT OF CAPITAL                      
                                                                     
16/08/2010          363a - ANNUAL RETURN (FULL LIST OF MEMBERS)      
                                                                     
03/08/2010          SH01 - STATEMENT OF CAPITAL                      
                                                                     
07/07/2010          SH01 - STATEMENT OF CAPITAL                      
                                                                     
04/05/2010          SH01 - STATEMENT OF CAPITAL                      
                                                                     
06/04/2010          SH01 - STATEMENT OF CAPITAL                      
                                                                     
02/03/2010          SH01 - STATEMENT OF CAPITAL                      
                                                                     
02/02/2010          SH01 - STATEMENT OF CAPITAL                      
                                                                     
28/01/2010          SH01 - STATEMENT OF CAPITAL                      
                                                                     
26/01/2010          SH01 - STATEMENT OF CAPITAL                      

Copies of these documents can be obtained from Companies House at Crown Way,
Cardiff CF14 3UZ or www.companieshouse.gov.uk

A copy if 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]