Oxford Instruments PLC

Transaction in Own Shares • Jan 6, 2026

National Storage Mechanism | Additional information

6 January 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 25 June 2025 (the “Share Buyback Programme”), the Company purchased the following number of its own ordinary shares of 5p each through Deutsche Bank AG, London Branch (trading for these purposes as Deutsche Numis) (“Deutsche Numis”) for cancellation at an average price of 2070.6479 pence per share:

Date of purchase:	5 January 2026
Aggregate number of ordinary shares purchased:	13,220
Lowest price paid per share (GBp):	2045.0000
Highest price paid per share (GBp):	2085.0000
Volume weighted average price paid per share (GBp):	2070.6479

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 56,140,929. The Company holds no shares in treasury and therefore the total number of voting rights in the Company will be 56,140,929. 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	2070.6479	13,220

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
203	2085.00	10:07:50	00078498768TRLO0	XLON
253	2085.00	10:07:50	00078498769TRLO0	XLON
429	2085.00	10:07:50	00078498770TRLO0	XLON
400	2085.00	10:07:50	00078498771TRLO0	XLON
411	2085.00	10:07:50	00078498772TRLO0	XLON
395	2080.00	10:09:27	00078498804TRLO0	XLON
428	2075.00	10:29:18	00078499285TRLO0	XLON
463	2070.00	10:43:02	00078499701TRLO0	XLON
402	2060.00	11:11:36	00078500364TRLO0	XLON
163	2050.00	11:11:47	00078500366TRLO0	XLON
293	2050.00	11:11:47	00078500367TRLO0	XLON
469	2045.00	11:13:11	00078500401TRLO0	XLON
431	2045.00	11:49:58	00078501234TRLO0	XLON
1	2045.00	12:24:28	00078502249TRLO0	XLON
411	2055.00	13:21:38	00078503659TRLO0	XLON
463	2050.00	13:24:22	00078503756TRLO0	XLON
378	2050.00	13:24:22	00078503757TRLO0	XLON
67	2065.00	14:10:05	00078504866TRLO0	XLON
106	2065.00	14:10:05	00078504867TRLO0	XLON
99	2065.00	14:10:05	00078504868TRLO0	XLON
84	2065.00	14:10:05	00078504869TRLO0	XLON
15	2065.00	14:10:05	00078504870TRLO0	XLON
87	2065.00	14:10:05	00078504871TRLO0	XLON
40	2075.00	14:30:54	00078505623TRLO0	XLON
23	2075.00	14:30:54	00078505624TRLO0	XLON
70	2075.00	14:30:54	00078505625TRLO0	XLON
76	2075.00	14:30:54	00078505626TRLO0	XLON
102	2075.00	14:30:54	00078505627TRLO0	XLON
62	2075.00	14:30:54	00078505628TRLO0	XLON
26	2075.00	14:30:54	00078505629TRLO0	XLON
78	2075.00	14:30:54	00078505630TRLO0	XLON
137	2070.00	14:30:54	00078505631TRLO0	XLON
571	2070.00	14:30:54	00078505632TRLO0	XLON
438	2080.00	14:42:14	00078506190TRLO0	XLON
422	2075.00	14:44:29	00078506381TRLO0	XLON
404	2075.00	14:44:29	00078506382TRLO0	XLON
476	2070.00	14:51:56	00078506708TRLO0	XLON
469	2070.00	14:51:56	00078506709TRLO0	XLON
406	2075.00	14:56:37	00078506948TRLO0	XLON
456	2075.00	15:10:48	00078507653TRLO0	XLON
202	2075.00	15:10:48	00078507654TRLO0	XLON
250	2075.00	15:10:48	00078507655TRLO0	XLON
432	2075.00	15:24:42	00078508282TRLO0	XLON
602	2075.00	15:34:33	00078508893TRLO0	XLON
12	2080.00	15:57:14	00078509840TRLO0	XLON
1	2080.00	16:02:57	00078510180TRLO0	XLON
30	2085.00	16:03:18	00078510200TRLO0	XLON
89	2085.00	16:03:18	00078510201TRLO0	XLON
24	2085.00	16:03:18	00078510202TRLO0	XLON
136	2085.00	16:03:18	00078510203TRLO0	XLON
58	2085.00	16:03:18	00078510204TRLO0	XLON
75	2085.00	16:03:18	00078510205TRLO0	XLON
21	2085.00	16:03:18	00078510206TRLO0	XLON
250	2085.00	16:03:18	00078510207TRLO0	XLON
255	2085.00	16:03:18	00078510208TRLO0	XLON
76	2085.00	16:03:18	00078510209TRLO0	XLON

For further details:

Oxford Instruments plc

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

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