TR-1: Standard form for notification of major holdings
1. Issuer Details
ISIN
GB00B5N0P849
Issuer Name
JOHN WOOD GROUP PLC
UK or Non-UK Issuer
UK
2. Reason for Notification
An acquisition or disposal of voting rights
3. Details of person subject to the notification obligation
Name
JPMorgan Chase & Co.
City of registered office (if applicable)
Country of registered office (if applicable)
US
4. Details of the shareholder
Name City of registered office Country of registered office
J.P. Morgan Securities plc
5. Date on which the threshold was crossed or reached
04-Dec-2025
6. Date on which Issuer notified
08-Dec-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
Resulting situation on the date on which threshold was crossed or reached 0.566487 4.502387 5.068874 35068464
Position of previous notification (if applicable) Below Minimum Threshold Below Minimum Threshold Below Minimum Threshold
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)
GB00B5N0P849 3919177 0.566487
Sub Total 8.A 3919177 0.566487%
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
Sub Total 8.B1
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
Cash-settled Equity Swap 09/12/2025 09/12/2025 Cash 478000 0.069091
Cash-settled Equity Swap 26/03/2026 26/03/2026 Cash 30333 0.004384
Cash-settled Equity Swap 22/04/2026 22/04/2026 Cash 728186 0.105254
Cash-settled Equity Swap 27/04/2026 27/04/2026 Cash 573158 0.082846
Cash-settled Equity Swap 08/05/2026 08/05/2026 Cash 351546 0.050813
Cash-settled Equity Swap 01/07/2026 01/07/2026 Cash 798192 0.115372
Cash-settled Equity Swap 10/08/2026 10/08/2026 Cash 1559524 0.225417
Cash-settled Equity Swap 03/11/2026 03/11/2026 Cash 786324 0.113657
Cash-settled Equity Swap 04/12/2026 04/12/2026 Cash 2465239 0.356331
Cash-settled Equity Swap 23/12/2026 23/12/2026 Cash 19257315 2.783495
Cash-settled Equity Swap 30/05/2028 30/05/2028 Cash 95 0.000014
Cash-settled Equity Swap 02/05/2030 02/05/2030 Cash 4121375 0.595713
Sub Total 8.B2 31149287 4.502387%
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
JPMorgan Chase & Co. J.P. Morgan Securities plc 4.502387 4.981472%
JPMorgan Chase & Co. J.P. Morgan Securities LLC
JPMorgan Chase & Co. J.P. Morgan SE
10. In case of proxy voting
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
Chain of controlled undertakings:
JPMorgan Chase & Co.
JPMorgan Chase Bank, National Association (100%)
J.P. Morgan International Finance Limited (100%)
J.P. Morgan Capital Holdings Limited (100%)
J.P. Morgan Securities plc (100%)
JPMorgan Chase & Co.
JPMorgan Chase Holdings LLC (100%)
J.P. Morgan Broker-Dealer Holdings Inc. (100%)
J.P. Morgan Securities LLC (100%)
JPMorgan Chase & Co.
JPMorgan Chase Bank, National Association (100%)
J.P. Morgan International Finance Limited (100%)
J.P. Morgan SE (100%)
12. Date of Completion
08-Dec-2025
13. Place Of Completion
London
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