8 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 2011.7611 pence per share: +---------------------------------------------------+-----------+ |Date of purchase: |7 July 2025| +---------------------------------------------------+-----------+ |Aggregate number of ordinary shares purchased: |16,216 | +---------------------------------------------------+-----------+ |Lowest price paid per share (GBp): |1996.0000 | +---------------------------------------------------+-----------+ |Highest price paid per share (GBp): |2020.0000 | +---------------------------------------------------+-----------+ |Volume weighted average price paid per share (GBp):|2011.7611 | +---------------------------------------------------+-----------+ 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 58,104,540. The Company holds no shares in treasury and therefore the total number of voting rights in the Company will be 58,104,540. 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 |2011.7611 |16,216 | |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) | | | +---------------+-----------+-----------+----------------+-------------+ |13 |2005.00 |08:36:05 |00076128716TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |215 |2005.00 |08:36:05 |00076128715TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |100 |2005.00 |08:48:05 |00076129290TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |14 |2005.00 |08:48:05 |00076129291TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |5 |2005.00 |08:48:05 |00076129292TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |40 |2010.00 |09:05:00 |00076129889TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |4 |2010.00 |09:09:56 |00076130059TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |190 |2010.00 |09:09:56 |00076130060TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |314 |2010.00 |09:09:56 |00076130062TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |130 |2010.00 |09:09:56 |00076130063TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |157 |2010.00 |09:09:56 |00076130064TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |190 |2010.00 |09:09:56 |00076130065TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |105 |2010.00 |09:09:56 |00076130066TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |177 |2010.00 |09:15:00 |00076130206TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |22 |2020.00 |09:49:00 |00076131027TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |227 |2020.00 |09:49:00 |00076131028TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |132 |2020.00 |09:49:00 |00076131029TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |66 |2020.00 |09:49:00 |00076131030TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |94 |2020.00 |09:49:00 |00076131031TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |752 |2020.00 |09:49:00 |00076131032TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |157 |2020.00 |09:59:27 |00076131294TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |171 |2020.00 |10:39:49 |00076132120TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |174 |2020.00 |10:39:49 |00076132121TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |155 |2020.00 |10:39:49 |00076132122TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |174 |2020.00 |10:39:49 |00076132123TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |162 |2020.00 |12:32:35 |00076134978TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |150 |2020.00 |12:32:35 |00076134979TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |226 |2020.00 |12:32:35 |00076134980TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |187 |2020.00 |12:32:35 |00076134981TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |173 |2020.00 |12:32:35 |00076134982TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |144 |2020.00 |12:32:35 |00076134983TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |168 |2020.00 |12:32:35 |00076134984TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |162 |2020.00 |12:32:35 |00076134985TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |323 |2020.00 |12:32:35 |00076134986TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |167 |2020.00 |12:32:35 |00076134987TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |144 |2020.00 |12:32:35 |00076134988TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |177 |2020.00 |12:32:35 |00076134989TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |162 |2020.00 |12:32:35 |00076134990TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |227 |2015.00 |12:44:14 |00076135310TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |27 |2015.00 |12:44:14 |00076135311TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |127 |2010.00 |12:51:48 |00076135464TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |117 |2010.00 |13:19:44 |00076136314TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |33 |2010.00 |13:19:44 |00076136315TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |121 |2010.00 |13:19:44 |00076136316TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |19 |2010.00 |13:19:44 |00076136317TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |4 |2010.00 |13:19:44 |00076136318TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |35 |2010.00 |13:19:44 |00076136319TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |116 |2010.00 |13:19:44 |00076136320TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |69 |2010.00 |13:21:58 |00076136425TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |168 |2010.00 |13:21:58 |00076136426TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |206 |2010.00 |13:21:58 |00076136427TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |84 |2010.00 |13:37:58 |00076136797TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |3 |2010.00 |13:37:58 |00076136798TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |67 |2010.00 |13:37:58 |00076136799TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |113 |2010.00 |13:52:58 |00076137317TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |6 |2010.00 |13:52:58 |00076137318TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |48 |2010.00 |13:52:58 |00076137319TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |12 |2010.00 |13:52:58 |00076137320TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |93 |2010.00 |14:03:58 |00076137531TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |56 |2010.00 |14:03:58 |00076137532TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |270 |2005.00 |14:04:18 |00076137564TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |79 |2015.00 |14:06:27 |00076137616TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |12 |2015.00 |14:06:27 |00076137617TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |84 |2015.00 |14:06:27 |00076137618TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |47 |2015.00 |14:10:27 |00076137754TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |26 |2015.00 |14:10:27 |00076137755TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |19 |2015.00 |14:10:27 |00076137756TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |53 |2015.00 |14:10:27 |00076137757TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |1 |2015.00 |14:10:27 |00076137758TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |28 |2015.00 |14:10:27 |00076137759TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |100 |2015.00 |14:16:27 |00076137879TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |64 |2015.00 |14:16:27 |00076137880TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |65 |2015.00 |14:20:27 |00076137976TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |23 |2015.00 |14:20:27 |00076137977TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |13 |2015.00 |14:20:27 |00076137978TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |3 |2015.00 |14:20:27 |00076137979TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |91 |2015.00 |14:20:27 |00076137980TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |88 |2015.00 |14:28:27 |00076138237TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |30 |2015.00 |14:28:27 |00076138238TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |80 |2015.00 |14:28:27 |00076138239TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |4 |2015.00 |14:34:27 |00076138433TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |42 |2015.00 |14:34:27 |00076138434TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |28 |2015.00 |14:34:27 |00076138435TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |17 |2015.00 |14:34:27 |00076138436TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |37 |2015.00 |14:34:27 |00076138437TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |16 |2015.00 |14:35:24 |00076138457TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |130 |2015.00 |14:35:24 |00076138458TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |215 |2015.00 |14:35:24 |00076138459TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |54 |2015.00 |14:35:24 |00076138460TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |170 |2010.00 |14:37:21 |00076138517TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |147 |2010.00 |14:37:21 |00076138518TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |100 |2010.00 |14:48:21 |00076139054TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |72 |2010.00 |14:48:21 |00076139055TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |155 |2010.00 |14:50:10 |00076139189TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |155 |2010.00 |14:50:10 |00076139190TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |106 |2010.00 |14:52:08 |00076139347TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |56 |2010.00 |14:54:13 |00076139431TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |109 |2010.00 |14:54:13 |00076139432TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |56 |2010.00 |15:11:44 |00076140184TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |171 |2010.00 |15:15:55 |00076140311TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |157 |2010.00 |15:15:55 |00076140312TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |153 |2010.00 |15:15:55 |00076140313TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |49 |2010.00 |15:15:55 |00076140314TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |151 |2010.00 |15:15:55 |00076140315TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |100 |2010.00 |15:27:03 |00076140806TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |34 |2010.00 |15:27:03 |00076140807TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |145 |2010.00 |15:27:03 |00076140808TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |153 |2010.00 |15:27:03 |00076140809TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |126 |2010.00 |15:27:03 |00076140810TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |177 |2010.00 |15:27:03 |00076140811TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |146 |2010.00 |15:27:03 |00076140812TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |163 |2010.00 |15:29:25 |00076140915TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |67 |2010.00 |15:30:25 |00076140956TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |110 |2010.00 |15:30:25 |00076140957TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |50 |2010.00 |15:32:25 |00076141077TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |109 |2010.00 |15:32:25 |00076141078TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |18 |2010.00 |15:32:25 |00076141079TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |60 |2010.00 |15:35:25 |00076141351TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |52 |2010.00 |15:35:25 |00076141352TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |13 |2010.00 |15:35:25 |00076141353TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |19 |2010.00 |15:35:25 |00076141354TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |270 |2005.00 |15:36:44 |00076141408TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |176 |2000.00 |15:37:00 |00076141422TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |178 |1996.00 |15:37:10 |00076141431TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |445 |2005.00 |15:58:51 |00076142510TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |180 |2005.00 |15:58:51 |00076142511TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |166 |2005.00 |15:58:51 |00076142512TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |75 |2005.00 |15:58:51 |00076142513TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |96 |2005.00 |15:58:51 |00076142514TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |12 |2005.00 |16:04:51 |00076142884TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |10 |2005.00 |16:04:51 |00076142885TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |134 |2005.00 |16:04:51 |00076142886TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |33 |2005.00 |16:07:51 |00076143056TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |8 |2005.00 |16:07:51 |00076143057TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |113 |2005.00 |16:07:51 |00076143058TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |167 |2000.00 |16:10:40 |00076143182TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |223 |2000.00 |16:10:40 |00076143183TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |19 |2005.00 |16:14:47 |00076143325TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |21 |2005.00 |16:14:47 |00076143326TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |79 |2005.00 |16:14:47 |00076143327TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |77 |2005.00 |16:14:47 |00076143328TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |115 |2005.00 |16:15:47 |00076143365TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |30 |2005.00 |16:15:47 |00076143366TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |51 |2005.00 |16:16:47 |00076143412TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |27 |2005.00 |16:16:47 |00076143413TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |6 |2005.00 |16:16:47 |00076143414TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |73 |2005.00 |16:16:47 |00076143415TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |10 |2005.00 |16:16:47 |00076143416TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |120 |2005.00 |16:18:47 |00076143537TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |44 |2005.00 |16:18:47 |00076143538TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |1 |2005.00 |16:18:47 |00076143539TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |35 |2005.00 |16:19:47 |00076143597TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |128 |2005.00 |16:19:47 |00076143598TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ |152 |2000.00 |16:20:45 |00076143617TRLO0|XLON | +---------------+-----------+-----------+----------------+-------------+ For further details: Oxford Instruments plc Stephen Lamacraft, Head of Investor RelationsTel: +44 7776 433 916
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