Business
Director/PDMR Shareholding
Oxford Instruments plc announced that Chief Executive Officer Richard Tyson exercised a 2021 LTIP award, resulting in the exercise of 13,521 ordinary shares. Following this, 6,406 shares were sold to cover tax and fees at a price of £20.70 per share, and 14,594 shares were transferred to his spouse at nil cost. These transactions occurred on the London Stock Exchange on December 18, 2025, for the exercise and sale, and December 23, 2025, for the transfer to his spouse. Disclaimer*

About this update from Oxford Instruments Plc
23 December 2025 Oxford Instruments plc Notification of transactions of persons discharging managerial responsibility or persons closely associated 1 Details of the person discharging managerial responsibilities/person closely associated a) Name Richard Tyson 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 of 2021 LTIP award – 13,521 shares Sale to cover tax and fees – (6,406) shares Transfer to spouse – 14,594 shares c) Price(s) and volume(s) Price(s) Volume(s) £20.70 7,115 £nil cost 14,594 d) Aggregated information - Volume - Price - Volume - Price 7,115 £20.70 14,594 £nil cost e) Date of the transaction 18 December 2025 – exercise and sale 23 December 2025 – transfer to spouse f) Place of the transaction London Stock Exchange (XLON) The Company makes this announcement, including the notification above, in accordance with the requirements of the EU Market Abuse Regulation (as it forms part of domestic law by virtue of the European Union (Withdrawal) Act 2018). Enquiries: Louise Meads Company Secretary [email protected]
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