OXIG Oxford Instruments Plc

For filings with the FSA include the annex

For filings with issuer exclude the annex

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

1. Identity of the issuer or the underlying       Oxford Instruments plc
issuer of existing shares to which voting
rights are attached: ii

2. Reason for the notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights                               x

An acquisition or disposal of qualifying financial instruments which
may result in the acquisition of shares already issued to which voting
rights are attached

An acquisition or disposal of instruments with similar economic effect
to qualifying financial instruments

An event changing the breakdown of voting rights

Other (please
specify):

3. Full name of person(s) subject to  Henderson Global Investors
the notification obligation: iii

4. Full name of shareholder(s) (if
different from 3.):iv

5. Date of the transaction and date   07 November 2014
on which the threshold is crossed or
reached: v

6. Date on which issuer notified:     10 November 2014

7. Threshold(s) that is/are crossed   5% (please refer to section 13)
or reached: vi, vii


8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type of  Situation previous  Resulting situation after
shares         to the triggering   the triggering
               transaction         transaction

if possible              Number             Number            % of voting
using          Number    of        Number   of                rights x
the ISIN CODE  of        Voting    of       voting
               Shares    Rights    shares   rights

ORD GBP0.05                        Direct   Direct  Indirect  Direct   Indirect
                                            xi      xii

GB0006650450   2,979,557 2,979,557                  2,861,804          4.99%


B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial Expiration Exercise/         Number of voting   % of voting
instrument        date xiii  Conversion Period rights that may be rights
                             xiv               acquired if the
                                               instrument is
                                               exercised/
                                               converted.



C: Financial Instruments with similar economic effect to Qualifying Financial
Instruments xv, xvi

Resulting situation after the triggering transaction

Type of        Exercise Expiration Exercise/  Number of voting  % of voting
financial      price    date xvii  Conversion rights instrument rights xix, xx
instrument                         period     refers to
                                   xviii

                                                                Nominal  Delta

CFD                                           126,415           0.22%



Total (A+B+C)

Number of voting rights                 Percentage of voting rights

2,988,219                               5.21%



9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable: xxi



Proxy Voting:

10. Name of the proxy holder:

11. Number of voting rights proxy
holder will cease to hold:

12. Date on which proxy holder will
cease to hold voting rights:

13. Additional information:             This disclosure is due to a decrease in
                                        ordinary share holding below the 5%
                                        threshold. The combined holding still
                                        remains within the 5% threshold level.

14. Contact name:                                 Susan Johnson-Brett

15. Contact telephone number:                        01865 393 200