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RNS Number : 8877K SSE PLC 09 December 2025
TR-1: Standard form for notification of major holdings
1. Issuer Details
ISIN
GB0007908733
Issuer Name
SSE 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
05-Dec-2025
6. Date on which Issuer notified
09-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 5.449053 0.857843 6.306896 76130871
Position of previous notification (if applicable) 6.262834 0.856468 7.119302
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)
GB0007908733 65773847 5.449053
Sub Total 8.A 65773847 5.449053%
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 % of voting rights
exercised/converted
Depository Receipt 200 0.000016
Sub Total 8.B1 200 0.000016%
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 24/12/2025 24/12/2025 Cash 1164 0.000096
Cash-settled Equity Swap 31/12/2025 31/12/2025 Cash 1211 0.000100
Cash-settled Equity Swap 16/01/2026 16/01/2026 Cash 90026 0.007457
Cash-settled Equity Swap 20/01/2026 20/01/2026 Cash 24095 0.001996
Cash-settled Equity Swap 10/02/2026 10/02/2026 Cash 225572 0.018686
Cash-settled Equity Swap 11/02/2026 11/02/2026 Cash 305607 0.025313
Cash-settled Equity Swap 03/03/2026 03/03/2026 Cash 2141 0.000177
Cash-settled Equity Swap 05/03/2026 05/03/2026 Cash 367 0.000030
Cash-settled Equity Swap 18/03/2026 18/03/2026 Cash 101889 0.008441
Cash-settled Equity Swap 24/03/2026 24/03/2026 Cash 65887 0.005441
Cash-settled Equity Swap 02/04/2026 02/04/2026 Cash 40383 0.003344
Cash-settled Equity Swap 28/04/2026 28/04/2026 Cash 464009 0.038432
Cash-settled Equity Swap 29/04/2026 29/04/2026 Cash 11905 0.000985
Cash-settled Equity Swap 05/05/2026 05/05/2026 Cash 630903 0.052267
Cash-settled Equity Swap 07/05/2026 07/05/2026 Cash 5825 0.000465
Cash-settled Equity Swap 19/05/2026 19/05/2026 Cash 25820 0.002137
Cash-settled Equity Swap 29/05/2026 29/05/2026 Cash 91880 0.007609
Cash-settled Equity Swap 02/06/2026 02/06/2026 Cash 3570 0.000295
Cash-settled Equity Swap 10/06/2026 10/06/2026 Cash 1067 0.000088
Cash-settled Equity Swap 01/07/2026 01/07/2026 Cash 1918 0.000158
Cash-settled Equity Swap 05/08/2026 05/08/2026 Cash 371017 0.030734
Cash-settled Equity Swap 30/09/2026 30/09/2026 Cash 205322 0.016984
Cash-settled Equity Swap 02/10/2026 02/10/2026 Cash 90989 0.007538
Cash-settled Equity Swap 15/10/2026 15/10/2026 Cash 18432 0.001522
Cash-settled Equity Swap 21/10/2026 21/10/2026 Cash 2946 0.000243
Cash-settled Equity Swap 28/10/2026 28/10/2026 Cash 1390 0.000115
Cash-settled Equity Swap 03/11/2026 03/11/2026 Cash 30559 0.002530
Cash-settled Equity Swap 09/11/2026 09/11/2026 Cash 1131531 0.093742
Cash-settled Equity Swap 12/11/2026 12/11/2026 Cash 18247 0.001506
Cash-settled Equity Swap 13/11/2026 13/11/2026 Cash 868771 0.071970
Cash-settled Equity Swap 17/11/2026 17/11/2026 Cash 63366 0.005249
Cash-settled Equity Swap 02/12/2026 02/12/2026 Cash 128508 0.010630
Cash-settled Equity Swap 07/12/2026 07/12/2026 Cash 2696 0.000222
Cash-settled Equity Swap 14/12/2026 14/12/2026 Cash 213315 0.017665
Cash-settled Equity Swap 21/12/2026 21/12/2026 Cash 9000 0.000745
Cash-settled Equity Swap 23/12/2026 23/12/2026 Cash 14546 0.001194
Cash-settled Equity Swap 31/12/2026 31/12/2026 Cash 2206 0.000182
Cash-settled Equity Swap 05/01/2027 05/01/2027 Cash 2544066 0.210763
Cash-settled Equity Swap 13/01/2027 13/01/2027 Cash 15087 0.001247
Cash-settled Equity Swap 15/01/2027 15/01/2027 Cash 388178 0.032152
Cash-settled Equity Swap 20/01/2027 20/01/2027 Cash 38013 0.003147
Cash-settled Equity Swap 02/02/2027 02/02/2027 Cash 1737 0.000143
Cash-settled Equity Swap 04/05/2027 04/05/2027 Cash 319851 0.026493
Cash-settled Equity Swap 29/07/2027 29/07/2027 Cash 30 0.000002
Cash-settled Equity Swap 17/11/2027 17/11/2027 Cash 165810 0.013730
Cash-settled Equity Swap 30/05/2028 30/05/2028 Cash 319 0.000026
Cash-settled Equity Swap 02/03/2029 02/03/2029 Cash 366444 0.030358
Cash-settled Equity Swap 04/04/2030 04/04/2030 Cash 67119 0.005559
Cash-settled Equity Swap 02/05/2030 02/05/2030 Cash 1098613 0.091007
Cash-settled Equity Swap 02/07/2030 02/07/2030 Cash 49204 0.004074
Cash-settled Equity Swap 11/10/2030 11/10/2030 Cash 28960 0.002399
Cash-settled Equity Swap 28/11/2030 28/11/2030 Cash 670 0.000055
Cash-settled Call Option 05/12/2028 05/12/2028 Cash 4643 0.000384
Sub Total 8.B2 10356824 0.857827%
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 Total of both if it equals or is higher than the notifiable threshold
than the notifiable threshold
JPMorgan Chase & Co. J.P. Morgan Securities plc 5.403545 6.253112%
JPMorgan Chase & Co. J.P. Morgan SE
JPMorgan Chase & Co. J.P. Morgan Securities LLC
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
09-Dec-2025
13. Place Of Completion
London, United Kingdom
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