Holding(s) in Company

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NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible) i

1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached ii:			Oxford Instruments Plc
1b. Please indicate if the issuer is a non-UK issuer (please mark with an “X” if appropriate)
Non-UK issuer
2. Reason for the notification (please mark the appropriate box or boxes with an “X”)
An acquisition or disposal of voting rights						X
An acquisition or disposal of financial instruments
An event changing the breakdown of voting rights						X
Other (please specify) iii:
3. Details of person subject to the notification obligation iv
Name			Artemis Investment Management LLP
City and country of registered office (if applicable)			London, United Kingdom
4. Full name of shareholder(s) (if different from 3.) v
Name
City and country of registered office (if applicable)
5. Date on which the threshold was crossed or reached vi:			19/09/2025
6. Date on which issuer notified (DD/MM/YYYY):			22/09/2025
7. Total positions of person(s) subject to the notification obligation
	% of voting rights attached to shares (total of 8. A)	% of voting rights through financial instruments (total of 8.B 1 + 8.B 2)		Total of both in % (8.A + 8.B)	Total number of voting rights held in issuer (8.A + 8.B) vii
Resulting situation on the date on which threshold was crossed or reached	14.968524%	0.040116%		15.008640%	8,566,794.00
Position of previous notification (if applicable)	14.598169%			14.598169%

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached viii
A: Voting rights attached to shares
Class/type of shares ISIN code (if possible)		Number of voting rights ix					% of voting rights
		Direct (DTR5.1)		Indirect (DTR5.2.1)			Direct (DTR5.1)		Indirect (DTR5.2.1)
Equity: GB0006650450				8,543,896.00					14.968524%

SUBTOTAL 8. A		8,543,896.00					14.968524%

B 1: Financial Instruments according to DTR5.3.1R (1) (a)
Type of financial instrument		Expiration date x	Exercise/ Conversion Period xi			Number of voting rights that may be acquired if the instrument is exercised/converted.			% of voting rights

			SUBTOTAL 8. B 1

B 2: Financial Instruments with similar economic effect according to DTR5.3.1R (1) (b)
Type of financial instrument	Expiration date x		Exercise/ Conversion Period xi		Physical or cash Settlement xii			Number of voting rights	% of voting rights
Equity Swap	12th August 2026				Cash			22,898.00	0.040116%

					SUBTOTAL 8.B.2			22,898.00	0.040116%

9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an “X”)
Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer xiii
Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entity (please add additional rows as necessary) xiv				X
Name xv	% of voting rights if it equals or is higher than the notifiable threshold	% of voting rights through financial instruments if it equals or is higher than the notifiable threshold	Total of both if it equals or is higher than the notifiable threshold
Artemis Investment Management LLP	14.968524%	0.040116%	15.008640%
Artemis Fund Managers Limited	13.285555%	0.040116%	13.325671%


10. In case of proxy voting, please identify:
Name of the proxy holder
The number and % of voting rights held
The date until which the voting rights will be held

11. Additional information xvi
The actual number of voting rights held by Artemis Investment Management LLP is 8,543,896 or 14.968524%. The Equity Swaps included in section 8B2 do not carry any voting rights.

Place of completion	Edinburgh
Date of completion	22/09/2025

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Holding(s) in Company

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