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 BlackRock, Inc.
the notification obligation: iii
4. Full name of shareholder(s) (if
different from 3.):iv
5. Date of the transaction and date 1st December 2009
on which the threshold is crossed or
reached: v
6. Date on which issuer notified: 4th December 2009
7. Threshold(s) that is/are crossed Gone above 5%
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 Number Number of % of voting
using of of of voting rights x
the ISIN CODE Shares Voting shares rights
Rights
Direct Direct Indirect Direct Indirect
xi xii
GB0006650450 n/a n/a n/a n/a 1,629,916 n/a 3.30%
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 1,200,015 2.43%
Total (A+B+C)
Number of voting rights Percentage of voting rights
2,829,931 5.73%
9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable: xxi
BlackRock Investment Management (UK) Limited - 2,829,931 (5.73%)
On 1 December 2009, the Barclays Global Investors (BGI) business was acquired
by BlackRock, Inc. The combined holdings of BlackRock, Inc. following this
acquisition triggererd this disclosure requirement.
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:
14. Contact name: Susan Johnson-Brett
Company Secretary, Oxford Instrument
plc
15. Contact telephone number: 01865 393324
susan.johnson-brett@oxinst.com
Note: Annex should only be submitted to the FSA not the issuer
Annex: Notification of major interests in sharesxxii
A: Identity of the persons or legal entity subject to the notification
obligation
Full name
(including legal form of legal
entities)
Contact address
(registered office for legal entities)
Phone number & email
Other useful information
(at least legal representative for
legal persons)
B: Identity of the notifier, if applicable
Full name
Contact address
Phone number & email
Other useful information(e.g.
functional relationship with the person
or legal entity subject to the
notification obligation)
C: Additional information
For notes on how to complete form TR-1 please see the FSA website.