Director/PDMR Shareholding

1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

Ian Barkshire

2

Reason for the notification

a)

Position/status

Chief Executive Officer and PDMR

b)

Initial notification/Amendment

Initial notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Oxford Instruments plc

b)

LEI

213800J364EZD6UCE231

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Identification code

Ordinary shares of 5p each in Oxford Instruments plc

GB0006650450

b)

Nature of the transaction

Exercise and sale of 100,000 nominally priced option awards over ordinary shares of £0.05, as granted under the Oxford Instruments plc Performance Share Plan on 25 September 2017 (67,998 shares) and 3 July 2018 (32,002 shares - partial option exercise).

c)

Price(s) and volume(s)

d)

Aggregated information

- Volume

- Price

- Total

100,000

£25.0184 (35,000 shares), £24.8302 (35,000 shares) and £24.6383 (30,000 shares)

£2,483,850

e)

Date of the transaction

24 July 2023 and 25 July 2023

f)

Place of the transaction

London Stock Exchange (XLON)