14 July 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 1994.7781 pence per share: +---------------------------------------------------+------------+ |Date of purchase: |11 July 2025| +---------------------------------------------------+------------+ |Aggregate number of ordinary shares purchased: |20,000 | +---------------------------------------------------+------------+ |Lowest price paid per share (GBp): |1984.0000 | +---------------------------------------------------+------------+ |Highest price paid per share (GBp): |2005.0000 | +---------------------------------------------------+------------+ |Volume weighted average price paid per share (GBp):|1994.7781 | +---------------------------------------------------+------------+ Subject to settlement of the above purchases and cancellation of the purchased ordinary shares, the Company's total number of ordinary shares in issue shall be 58,026,142. The Company holds no shares in treasury and therefore the total number of voting rights in the Company will be 58,026,142. 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 |Aggregate number of shares purchased| | |price paid per share| | | |(GBp) | | +--------+--------------------+------------------------------------+ |London |1994.7781 |20,000 | |Stock | | | |Exchange| | | +--------+--------------------+------------------------------------+ Transaction Details: In accordance with Article 5(1)(b) of the Market Abuse Regulation (EU) No. 596/2014 as it forms part ofUK 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 |Transaction|Time of |Transaction |Trading venue| |ordinary shares|price |transaction|reference number| | |purchased |(GBp share)|(UK Time) | | | +---------------+-----------+-----------+----------------+-------------+ |33 |1988.00 |08:30:06 |00076208755TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |846 |1988.00 |08:30:06 |00076208756TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |62 |1988.00 |08:30:06 |00076208757TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |168 |1988.00 |08:30:06 |00076208758TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |125 |1988.00 |08:30:06 |00076208759TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |568 |1988.00 |08:30:06 |00076208760TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |10 |1988.00 |08:30:06 |00076208761TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |96 |1988.00 |08:30:06 |00076208762TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |41 |2005.00 |09:00:11 |00076209643TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |721 |2005.00 |09:00:11 |00076209644TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |37 |2000.00 |09:04:01 |00076209790TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |133 |2000.00 |09:04:01 |00076209791TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |71 |2000.00 |09:09:56 |00076209983TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |260 |2000.00 |09:09:56 |00076209984TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |235 |2000.00 |09:09:56 |00076209985TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |59 |2000.00 |09:09:56 |00076209986TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |173 |1998.00 |09:10:43 |00076210009TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |56 |1998.00 |09:11:11 |00076210014TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |25 |1998.00 |09:15:15 |00076210086TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |70 |1998.00 |09:15:59 |00076210097TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |64 |1998.00 |09:20:34 |00076210219TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |106 |1998.00 |09:20:34 |00076210220TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |166 |1996.00 |09:22:06 |00076210258TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |174 |1992.00 |09:28:34 |00076210468TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |11 |1992.00 |09:28:34 |00076210469TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |148 |1990.00 |09:33:53 |00076210673TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |29 |1988.00 |09:35:55 |00076210739TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |833 |1988.00 |09:35:55 |00076210740TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |29 |1988.00 |09:35:55 |00076210741TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |750 |1988.00 |09:35:55 |00076210742TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |101 |1988.00 |09:35:55 |00076210743TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |176 |1988.00 |09:35:55 |00076210744TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |35 |1988.00 |09:35:55 |00076210745TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |49 |1988.00 |09:35:55 |00076210746TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |64 |1988.00 |09:35:55 |00076210736TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |147 |1988.00 |09:35:55 |00076210737TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |634 |1988.00 |09:35:55 |00076210747TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |275 |1988.00 |09:35:55 |00076210748TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |181 |1988.00 |09:35:55 |00076210749TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |195 |1988.00 |09:35:55 |00076210738TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |148 |1986.00 |09:35:55 |00076210750TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |164 |1984.00 |09:36:02 |00076210751TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |55 |1984.00 |09:41:21 |00076210960TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |156 |1986.00 |09:54:08 |00076211321TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |178 |1988.00 |10:05:22 |00076212056TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |54 |1986.00 |10:05:22 |00076212057TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |126 |1986.00 |10:05:34 |00076212062TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |3 |1986.00 |10:05:34 |00076212063TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |174 |1990.00 |10:12:45 |00076212301TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |169 |1988.00 |10:28:04 |00076213331TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |141 |1986.00 |10:44:40 |00076214000TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |9 |1986.00 |10:50:11 |00076214205TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |165 |1986.00 |10:50:11 |00076214206TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |60 |1986.00 |10:53:09 |00076214323TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |150 |1988.00 |10:56:51 |00076214433TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |37 |1996.00 |11:48:00 |00076215722TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |262 |1996.00 |11:48:00 |00076215723TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |162 |1996.00 |11:48:00 |00076215724TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |117 |1994.00 |12:03:39 |00076216109TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |28 |1994.00 |12:03:39 |00076216110TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |102 |2000.00 |12:22:42 |00076217137TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |192 |2000.00 |12:22:44 |00076217138TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |147 |2000.00 |12:24:14 |00076217178TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |175 |1998.00 |12:24:14 |00076217179TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |167 |1998.00 |12:26:39 |00076217218TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |158 |1996.00 |13:07:59 |00076218419TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |151 |1996.00 |13:07:59 |00076218420TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |65 |1996.00 |13:07:59 |00076218421TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |33 |1996.00 |13:07:59 |00076218422TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |76 |1996.00 |13:07:59 |00076218423TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |162 |1996.00 |13:07:59 |00076218424TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |12 |1996.00 |13:07:59 |00076218425TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |144 |1996.00 |13:07:59 |00076218426TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |4 |1994.00 |13:09:01 |00076218493TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |134 |1994.00 |13:14:10 |00076218688TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |130 |1994.00 |13:15:34 |00076218710TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |20 |1994.00 |13:15:34 |00076218711TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |42 |1994.00 |13:15:34 |00076218712TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |178 |1992.00 |13:16:27 |00076218741TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |35 |1992.00 |13:23:41 |00076218902TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |130 |1992.00 |13:23:41 |00076218903TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |73 |1992.00 |13:32:09 |00076219152TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |100 |1992.00 |13:33:37 |00076219208TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |7 |1996.00 |13:37:23 |00076219306TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |7 |1996.00 |13:37:23 |00076219307TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |161 |1996.00 |13:41:19 |00076219501TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |61 |1996.00 |13:43:23 |00076219583TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |43 |1996.00 |13:43:23 |00076219584TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |6 |1996.00 |13:43:23 |00076219585TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |7 |1996.00 |13:43:23 |00076219586TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |40 |1996.00 |13:44:23 |00076219663TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |23 |1996.00 |13:44:23 |00076219664TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |164 |1996.00 |13:49:29 |00076219799TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |91 |1994.00 |13:49:50 |00076219800TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |191 |2000.00 |14:04:09 |00076220308TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |37 |2000.00 |14:04:09 |00076220309TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |149 |2000.00 |14:04:09 |00076220310TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |166 |2000.00 |14:08:13 |00076220520TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |152 |2000.00 |14:08:13 |00076220521TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |7 |2000.00 |14:08:13 |00076220522TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |42 |1998.00 |14:10:58 |00076220795TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |16 |1998.00 |14:10:58 |00076220796TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |15 |1998.00 |14:10:58 |00076220797TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |77 |1998.00 |14:10:58 |00076220798TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |3 |2000.00 |14:20:58 |00076221421TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |38 |2000.00 |14:20:58 |00076221422TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |39 |2000.00 |14:20:58 |00076221423TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |68 |2000.00 |14:22:49 |00076221456TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |8 |2000.00 |14:22:49 |00076221457TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |8 |2000.00 |14:22:49 |00076221458TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |44 |2000.00 |14:22:49 |00076221459TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |37 |2000.00 |14:22:49 |00076221460TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |43 |2000.00 |14:26:49 |00076221605TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |102 |2000.00 |14:26:49 |00076221606TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |31 |2000.00 |14:26:49 |00076221607TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |165 |1998.00 |14:31:15 |00076221763TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |49 |1998.00 |14:31:15 |00076221764TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |19 |1998.00 |14:31:15 |00076221765TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |109 |1998.00 |14:31:15 |00076221766TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |57 |1994.00 |14:48:01 |00076222330TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |168 |1994.00 |14:48:01 |00076222331TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |91 |1994.00 |14:48:01 |00076222332TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |8 |1992.00 |14:49:04 |00076222463TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |147 |1992.00 |14:49:04 |00076222464TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |156 |1988.00 |14:51:07 |00076222611TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |24 |1998.00 |14:59:52 |00076222891TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |130 |1998.00 |14:59:52 |00076222892TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |157 |1996.00 |15:01:03 |00076222973TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |151 |1996.00 |15:01:03 |00076222974TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |172 |1994.00 |15:02:04 |00076223038TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |130 |1996.00 |15:14:36 |00076223577TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |42 |1996.00 |15:15:47 |00076223639TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |158 |1996.00 |15:15:47 |00076223640TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |15 |1996.00 |15:15:47 |00076223641TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |172 |1998.00 |15:26:26 |00076223995TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |167 |1996.00 |15:26:27 |00076223996TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |94 |2000.00 |15:40:16 |00076224422TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |128 |2000.00 |15:40:16 |00076224423TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |270 |2000.00 |15:40:16 |00076224424TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |73 |2000.00 |15:45:38 |00076224522TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |145 |2005.00 |15:58:07 |00076224877TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |606 |2005.00 |15:58:07 |00076224878TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |35 |2005.00 |16:02:07 |00076225035TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |38 |2005.00 |16:02:07 |00076225036TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |18 |2005.00 |16:02:07 |00076225037TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |25 |2005.00 |16:02:07 |00076225038TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |71 |2005.00 |16:02:07 |00076225039TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |82 |2005.00 |16:03:39 |00076225071TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |166 |2005.00 |16:03:39 |00076225072TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |158 |2005.00 |16:07:39 |00076225331TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |16 |2005.00 |16:09:39 |00076225380TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |74 |2005.00 |16:09:39 |00076225381TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |43 |2005.00 |16:09:39 |00076225382TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |13 |2005.00 |16:09:39 |00076225383TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |176 |2005.00 |16:11:10 |00076225469TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |73 |2005.00 |16:14:10 |00076225639TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |99 |2005.00 |16:14:10 |00076225640TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |22 |2005.00 |16:16:10 |00076225720TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |156 |2005.00 |16:16:10 |00076225721TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |188 |2000.00 |16:17:10 |00076225774TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |23 |2000.00 |16:19:10 |00076225962TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |150 |2000.00 |16:20:13 |00076225993TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |144 |2005.00 |16:23:34 |00076226153TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ For further details: Oxford Instruments plc Stephen Lamacraft, Head of Investor RelationsTel: +44 7776 433 916
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