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 x 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 17th December 2012
on which the threshold is crossed or
reached: v
6. Date on which issuer notified: 18th December 2012
7. Threshold(s) that is/are crossed Holding has gone above 15%
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
Direct Direct Indirect Direct Indirect
xi xii
GB0006650450 6,753,613 6,753,613 n/a n/a 7,169,835 n/a
12.75%
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 finan Exercise Expiration Exercise/ Number of voting %
of voting
cial price date xvii Conversion rights instrument rights xix, xx
instrument period refers to
xviii
Nominal Delta
CFD 1,285,187 2.29% 2.29%
Total (A+B+C)
Number of voting rights Percentage of voting rights
8,455,022 15.04%
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 - 8,455,022 (15.04%)
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: Oxford Instruments plc - Company
Secretary
14. Contact name: Susan Johnson-Brett
15. Contact telephone number: 01865 393 200