Oxford Instruments PLC

Transaction in Own Shares • Oct 28, 2025

National Storage Mechanism | Additional information

Oxford Instruments Plc - Transaction in Own Shares

PR Newswire

LONDON, United Kingdom, October 28

28 October 2025

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 25 June 2025 (the “Share Buyback Programme”), the Company purchased the following number of its own ordinary shares of 5p each through Numis Securities Limited (“Deutsche Numis”) for cancellation at an average price of 1938.4292 pence per share:

Date of purchase:	27 October 2025
Aggregate number of ordinary shares purchased:	10,000
Lowest price paid per share (GBp):	1926.0000
Highest price paid per share (GBp):	1940.0000
Volume weighted average price paid per share (GBp):	1938.4292

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 56,675,334. The Company holds no shares in treasury and therefore the total number of voting rights in the Company will be 56,675,334. 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.

Aggregate information:

Venue	Weighted average price paid per share (GBp)	Aggregate number of shares purchased
London Stock Exchange	1938.4292	10,000

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, the table below contains detailed information of the individual trades made by Deutsche Numis on behalf of the Company as part of the Share Buyback Programme:

Number of ordinary shares purchased	Transaction price (GBp share)	Time of transaction (UK Time)	Transaction reference number	Trading venue
210	1930.00	08:25:47	00077638539TRLO0	XLON
68	1930.00	08:25:47	00077638540TRLO0	XLON
310	1932.00	08:25:47	00077638541TRLO0	XLON
71	1928.00	08:58:31	00077640081TRLO0	XLON
266	1928.00	08:58:31	00077640082TRLO0	XLON
96	1926.00	09:05:27	00077640517TRLO0	XLON
7	1926.00	09:05:27	00077640518TRLO0	XLON
175	1926.00	09:07:23	00077640574TRLO0	XLON
314	1932.00	09:31:21	00077641376TRLO0	XLON
80	1940.00	16:04:15	00077655453TRLO0	XLON
250	1940.00	16:04:15	00077655454TRLO0	XLON
113	1940.00	16:04:15	00077655455TRLO0	XLON
104	1940.00	16:04:15	00077655456TRLO0	XLON
700	1940.00	16:04:23	00077655458TRLO0	XLON
1330	1940.00	16:04:23	00077655459TRLO0	XLON
487	1940.00	16:04:23	00077655460TRLO0	XLON
749	1940.00	16:20:27	00077656564TRLO0	XLON
417	1940.00	16:20:27	00077656565TRLO0	XLON
328	1940.00	16:20:27	00077656567TRLO0	XLON
41	1940.00	16:20:27	00077656568TRLO0	XLON
275	1940.00	16:20:27	00077656566TRLO0	XLON
68	1940.00	16:20:27	00077656569TRLO0	XLON
253	1940.00	16:20:27	00077656570TRLO0	XLON
136	1940.00	16:20:27	00077656571TRLO0	XLON
234	1940.00	16:20:27	00077656572TRLO0	XLON
184	1940.00	16:20:27	00077656573TRLO0	XLON
293	1940.00	16:20:27	00077656574TRLO0	XLON
337	1940.00	16:20:27	00077656575TRLO0	XLON
57	1940.00	16:20:27	00077656576TRLO0	XLON
278	1940.00	16:20:27	00077656577TRLO0	XLON
282	1940.00	16:20:27	00077656578TRLO0	XLON
333	1940.00	16:20:27	00077656579TRLO0	XLON
171	1940.00	16:24:07	00077656757TRLO0	XLON
11	1940.00	16:26:48	00077656837TRLO0	XLON
525	1940.00	16:26:48	00077656838TRLO0	XLON
231	1940.00	16:26:48	00077656839TRLO0	XLON
216	1940.00	16:26:48	00077656840TRLO0	XLON

For further details:

Oxford Instruments plc

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

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