Dividend - Amendment

16 September 2010

Oxford Instruments plc

The following announcement amends the payment date of the final dividend from
29 October to 28 October 2010. The record date is unchanged at 1 October 2010.

Amendment to Dividend Payment date

Oxford Instruments plc confirms that shareholders have approved payment of a
final dividend of 6p per ordinary share for the year ended 31 March 2010. This
is to be paid on 28 October 2010 to shareholders registered at the close of
business on 1 October 2010.

Enquiries:

Oxford Instruments plc

Susan Johnson-Brett, Company Secretary Tel: [phone]

Email: [e-mail]