Transaction in Own Shares

Summary by AI ^BETAClose X

Oxford Instruments plc has executed its share buyback program by purchasing a total of 36,641 ordinary shares between September 11th and September 17th, 2026, with a volume-weighted average price paid per share ranging from 25.96 GBp to 27.60 GBp. Following these purchases and subsequent cancellation, the company's total issued ordinary shares have been reduced to 54,838,357, with no shares held in treasury, meaning the total number of voting rights now stands at 54,838,357.

Disclaimer*

18 September 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)
11/09/2026	7,350	27.320000	27.920000	27.602044
14/09/2026	7,250	25.540000	27.080000	25.956910
15/09/2026	7,441	25.940000	26.320000	26.151601
16/09/2026	7,600	26.520000	27.120000	26.887718
17/09/2026	7,400	27.320000	27.640000	27.480032

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 54,838,357. The Company holds no shares in treasury and therefore the total number of voting rights in the Company will be 54,838,357. 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 - 11.09.26-17.09.26.pdf

For further details:

Oxford Instruments plc

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