OXIG Oxford Instruments Plc

                            Oxford Instruments plc

          Notification of transactions by PDMR and Connected Persons

On 30 September 2013 certain purchases and awards of ordinary shares of 5 pence
each in the capital of Oxford Instruments plc (the "Company") were made under
the all-employee Oxford Instruments Share Incentive Plan (the "SIP") including
by and to the following Executive Directors (PDMR) and Connected Person as
follows:

    Executive Director          No. of shares      No. of shares awarded
                                acquired as         as Matching Shares
  (or Connected Person as    Partnership Shares
         relevant)

        Kevin Boyd                   10                      2

      Jonathan Flint                 10                      2

      Charles Holroyd                10                      2

      (Claire Flint)                  2                      0

Claire Flint is a Connected Person to Jonathan Flint by way of marriage.

The Partnership Shares and Matching Shares were acquired at a cost of £
12.395414 each. The Matching Shares are subject to a risk of forfeiture which
will normally be removed on the third anniversary of award subject to the
participant's continued employment and the retention of the linked Partnership
Shares. No consideration was paid by the participants for the award of the
Matching Shares and no consideration is due on the release of the Matching
Shares or in relation to Partnership Shares.

The above transactions were undertaken on behalf of the above individuals by
the trustee of the SIP and the shares were purchased on the London Stock
Exchange.

The above notifications are made in accordance with Rule 3.1.4 of the UKLA
Disclosure Rules and Transparency Rules.

Oxford Instruments plc was notified of the above transactions on 01 October
2013.

Name of contact and telephone number for queries: Susan Johnson-Brett, 01865
393324.

For and on behalf of Oxford Instruments plc

Date: 01 October 2013