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 28th July 2011
on which the threshold is crossed or
reached: v
6. Date on which issuer notified: 29th July 2011 7. Threshold(s) that is/are crossed Holding has gone above 15%
or reached: vi, vii
8.