Annual Information Update

Oxford Instruments plc - Annual Information Update

22 April 2013

This information is made by Oxford Instruments plc (the "Company") as requiredby and pursuant to Prospectus Rule 5.2 and not for any other purpose. Thisupdate refers to information that has been published or made available by theCompany to the public up to 22 April 2013. To avoid an unnecessarily lengthydocument, information is referred to in the update rather than included infull.

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referred to in this update was up to date at the time theinformation was published but some information may now be out of date.

Regulatory Announcements

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

Date Type of Announcement 19/04/2013 Holding(s) in Company 09/04/2013 Pre-close Trading Update 02/04/2013 Total Voting Rights 02/04/2013 Directors/PDMR Shareholding 04/03/2013 Total Voting Rights 01/03/2013 Directors/PDMR Shareholding 13/02/2013 Interim Management Statement 13/02/2013 Capital Markets Day 07/02/2013 Holding(s) in Company 06/02/2013 Holding(s) in Company 04/02/2013 Total Voting Rights 04/02/2013 Holding(s) in Company 30/01/2013 Directors/PDMR Shareholding 08/01/2013 Holding(s) in Company 08/01/2013 Directorate Change 03/01/2013 Total Voting Rights 03/01/2013 Blocklisting - Interim Review 02/01/2013 Directors/PDMR Shareholding 02/01/2013 Holding(s) in Company 21/12/2012 Holding(s) in Company 19/12/2012 Holding(s) in Company 19/12/2012 Directors/PDMR Shareholding 19/12/2012 Directors/PDMR Shareholding 19/12/2012 Completion of Acquisition 17/12/2012 Directors/PDMR Shareholding 17/12/2012 Acquisition 03/12/2012 Directors/PDMR Shareholding 20/11/2012 Holding(s) in Company 16/11/2012 Holding(s) in Company 13/11/2012 Half Yearly Report 30/10/2012 Directors/PDMR Shareholding 29/10/2012 Holding(s) in Company 23/10/2012 Holding(s) in Company 22/10/2012 Holding(s) in Company 18/10/2012 Holding(s) in Company 17/10/2012 Additional Listing 03/10/2012 Additional Listing 01/10/2012 Total Voting Rights 01/10/2012 Directors/PDMR Shareholding 19/09/2012 Additional Listing 13/09/2012 Result of AGM 13/09/2012 Directorate Change 11/09/2012 AGM Statement 07/09/2012 Holding(s) in Company 03/09/2012 Total Voting Rights 30/082012 Directors/PDMR Shareholding 09/08/2012 Holding(s) in Company 07/08/2012 Total Voting Rights 31/07/2012 Directors/PDMR Shareholding 30/07/2012 Holding(s) in Company 23/07/2012 Holding(s) in Company 19/07/2012 Statement re Dividend 18/07/2012 Additional Listing 12/07/2012 Interim Management Statement 11/07/2012 Additional Listing 04/07/2012 Total Voting Rights 03/07/2012 Blocklisting - Interim Review 02/07/2012 Directors/PDMR Shareholding 12/06/2012 Final Results 08/06/2012 Holding(s) in Company 30/05/2012 Directors/PDMR Shareholding 11/05/2012 Holding(s) in Company 09/05/2012 Annual Information Update

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

Documents Filed at Companies House

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

Date Description of Document 11/04/2013 SH01 - Statement of Capital 05/03/2013 SH01 - Statement of Capital 05/02/2013 AP01 - Director Appointed 04/02/2013 SH01 - Statement of Capital 03/01/2013 SH01 - Statement of Capital 08/10/2012 RES13 - Meeting - Sell shares 11/09/2012 08/10/2012 RES11 - Disapplication of pre-emption rights 08/10/2012 RES 10 - Authorised allotment of shares 08/10/2012 RES 09 - Authority - Purchase shares other than from capital 01/10/2012 SH01 - Statement of Capital 01/10/2012 CH01 - Director's change of particulars 25/09/2012 AA - Annual Accounts 13/09/2012 TM01 - Appointment Terminated 03/09/2012 SH01 - Statement of Capital 07/08/2012 AR01 - Annual Return 07/08/2012 SH01 - Statement of Capital 04/07/2012 SH01 - Statement of Capital 15/06/2012 RP04 - Second filing for SH01 registered on 03/04/2012 15/06/2012 RP04 - Second filing for SH01 registered on 06/03/2012 15/06/2012 RP04 - Second filing for SH01 registered on 12/01/2012

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

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

Oxford Instruments plcTubney WoodsAbingdonOxonOX13 5QXTelephone +44 (0) 1865 393324