Transaction in Own Shares

Summary by AI ^BETAClose X

Oxford Instruments plc has executed its share buyback program by purchasing a total of 20,458 ordinary shares between May 18th and May 20th, 2026, with the volume-weighted average price paid per share ranging from 28.16 GBp to 29.00 GBp. Following these transactions and the cancellation of the repurchased shares, the company's total issued ordinary shares and voting rights now stand at 55,209,241. This updated figure is crucial for shareholders to determine their notification obligations under the FCA's Disclosure Guidance and Transparency Rules.

Disclaimer*

22 May 2026

Oxford Instruments plc

("Oxford Instruments" or the "Company")

Transaction in Own Shares

Oxford Instruments announces that, in accordance with the terms of its share buyback programme announced on 2 March 2026 (the "Share Buyback Programme"), the Company purchased the following number of its own ordinary shares of 5p each through J.P Morgan Securities plc ( JPMS plc ) for cancellation:

Date	Aggregate number of ordinary shares purchased	Lowest price paid per share (GBp)	Highest price paid per share (GBp)	Volume weighted average price paid per share (GBp)
18/05/2026	7,026	28.920000	29.000000	28.975349
19/05/2026	7,000	28.160000	28.880000	28.547974
20/05/2026	6,432	28.480000	29.000000	28.732733

Following settlement of the above purchases and cancellation of the purchased ordinary shares, the Company's total number of ordinary shares in issue shall be 55,209,241. The Company holds no shares in treasury and therefore the total number of voting rights in the Company will be 55,209,241. This figure for the total number of voting rights may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the FCA's Disclosure Guidance and Transparency Rules.

Transaction Details:

In accordance with Article 5(1)(b) of the Market Abuse Regulation (EU) No. 596/2014 as it forms part of UK law, detailed information of the individual trades made by JPMS plc on behalf of the Company as part of the Share Buyback Programme can be found at the following link:

Oxford Instruments plc - Weekly Trade Fills - 18.05.26-22.05.26.pdf

For further details:

Oxford Instruments plc

Stephen Lamacraft, Head of Investor Relations Tel: +44 7776 433 916