| TR-1: Notifications of Major Interests in Shares |
1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: |
Oxford Instruments PLC |
2. Reason for notification (yes/no) |
An acquisition or disposal of voting rights |
Yes |
An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached |
No |
An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments |
No |
An event changing the breakdown of voting rights |
No |
Other (please specify): |
No |
3. Full name of person(s) subject to notification obligation: |
Ameriprise Financial, Inc. and its group |
4. Full name of shareholder(s) (if different from 3): |
HSBC Global Custody Nominee (UK) Limited Nortrust Nominees Limited Securities Services Nominees Limited State Street Bank & Trust Boston State Street Nominees Limited Vidacos Nominees Limited |
| 5. Date of transaction and date on which the threshold is crossed or reached: |
22nd February 2017 |
6. Date on which issuer notified: |
24th February 2017 |
7. Threshold(s) that is/are crossed or reached: |
Above the threshold of 13% |
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