Holding(s) in Company

TR-1: Standard form for notification of major holdings

1. Issuer Details

ISIN

GB0006650450

Issuer Name

OXFORD INSTRUMENTS PLC

UK or Non-UK Issuer

2. Reason for Notification

An acquisition or disposal of voting rights; An acquisition or disposal of financial instruments

3. Details of person subject to the notification obligation

Name

BlackRock, Inc.

City of registered office (if applicable)

Wilmington

Country of registered office (if applicable)

USA

4. Details of the shareholder

Name	City of registered office	Country of registered office

5. Date on which the threshold was crossed or reached

06-Nov-2024

6. Date on which Issuer notified

07-Nov-2024

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
Resulting situation on the date on which threshold was crossed or reached	8.960000	1.980000	10.940000	6357547
Position of previous notification (if applicable)	9.110000	2.170000	11.280000

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached

8A. Voting rights attached to shares

Class/Type of shares ISIN code(if possible)	Number of direct voting rights (DTR5.1)	Number of indirect voting rights (DTR5.2.1)	% of direct voting rights (DTR5.1)	% of indirect voting rights (DTR5.2.1)
GB0006650450		5202133		8.960000
Sub Total 8.A	5202133		8.960000%

8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))

Type of financial instrument	Expiration date	Exercise/conversion period	Number of voting rights that may be acquired if the instrument is exercised/converted	% of voting rights
Securities Lending			185101	0.310000
Sub Total 8.B1			185101	0.310000%

8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))

Type of financial instrument	Expiration date	Exercise/conversion period	Physical or cash settlement	Number of voting rights	% of voting rights
CFD			Cash	970313	1.670000
Sub Total 8.B2				970313	1.670000%

9. Information in relation to the person subject to the notification obligation

2. 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 entities (please add additional rows as necessary)

Ultimate controlling person	Name of controlled undertaking	% 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
BlackRock, Inc. (Chain 1)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 1)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 1)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 1)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 1)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 1)	BlackRock Holdco 3, LLC
BlackRock, Inc. (Chain 1)	BlackRock Cayman 1 LP
BlackRock, Inc. (Chain 1)	BlackRock Cayman West Bay Finco Limited
BlackRock, Inc. (Chain 1)	BlackRock Cayman West Bay IV Limited
BlackRock, Inc. (Chain 1)	BlackRock Group Limited
BlackRock, Inc. (Chain 1)	BlackRock Finance Europe Limited
BlackRock, Inc. (Chain 1)	BlackRock Investment Management (UK) Limited	6.520000	1.770000	8.300000%
BlackRock, Inc. (Chain 2)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 2)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 2)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 2)	BlackRock Holdco 4, LLC
BlackRock, Inc. (Chain 2)	BlackRock Holdco 6, LLC
BlackRock, Inc. (Chain 2)	BlackRock Delaware Holdings Inc.
BlackRock, Inc. (Chain 2)	BlackRock Institutional Trust Company, National Association
BlackRock, Inc. (Chain 3)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 3)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 3)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 3)	BlackRock Holdco 4, LLC
BlackRock, Inc. (Chain 3)	BlackRock Holdco 6, LLC
BlackRock, Inc. (Chain 3)	BlackRock Delaware Holdings Inc.
BlackRock, Inc. (Chain 3)	BlackRock Fund Advisors
BlackRock, Inc. (Chain 4)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 4)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 4)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 4)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 4)	BlackRock Canada Holdings ULC
BlackRock, Inc. (Chain 4)	BlackRock Asset Management Canada Limited
BlackRock, Inc. (Chain 5)	BlackRock Finance, Inc.
BlackRock, Inc. (Chain 5)	BlackRock Holdco 2, Inc.
BlackRock, Inc. (Chain 5)	BlackRock Financial Management, Inc.
BlackRock, Inc. (Chain 5)	BlackRock International Holdings, Inc.
BlackRock, Inc. (Chain 5)	BR Jersey International Holdings L.P.
BlackRock, Inc. (Chain 5)	BlackRock Holdco 3, LLC
BlackRock, Inc. (Chain 5)	BlackRock Cayman 1 LP
BlackRock, Inc. (Chain 5)	BlackRock Cayman West Bay Finco Limited
BlackRock, Inc. (Chain 5)	BlackRock Cayman West Bay IV Limited
BlackRock, Inc. (Chain 5)	BlackRock Group Limited
BlackRock, Inc. (Chain 5)	BlackRock Finance Europe Limited
BlackRock, Inc. (Chain 5)	BlackRock Advisors (UK) Limited