Holding(s) in Company
TR-1: Standard form for notification of major holdings
1. Issuer Details
ISIN
GB00BG5KQW09
Issuer Name
CERES POWER HOLDINGS PLC
UK or Non-UK Issuer
UK
2. Reason for Notification
An acquisition or disposal of financial instruments
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
15-Oct-2026
6. Date on which Issuer notified
19-Oct-2026
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
0.192345
5.143303
5.335648
11409343
Position of previous notification (if applicable)
0.481799
4.871177
5.352976
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)
GB00BG5KQW09
411295
0.192345
Sub Total 8.A
411295
0.192345%
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
30/11/2026
30/11/2026
Cash
44316
0.020725
Cash-settled Equity Swap
11/12/2026
11/12/2026
Cash
20520
0.009596
Cash-settled Equity Swap
18/12/2026
18/12/2026
Cash
275525
0.128851
Cash-settled Equity Swap
18/01/2027
18/01/2027
Cash
382000
0.178645
Cash-settled Equity Swap
27/04/2027
27/04/2027
Cash
94806
0.044337
Cash-settled Equity Swap
04/05/2027
04/05/2027
Cash
836092
0.391003
Cash-settled Equity Swap
05/05/2027
05/05/2027
Cash
198700
0.092923
Cash-settled Equity Swap
07/05/2027
07/05/2027
Cash
937688
0.438515
Cash-settled Equity Swap
20/05/2027
20/05/2027
Cash
826892
0.386701
Cash-settled Equity Swap
28/05/2027
28/05/2027
Cash
443914
0.207599
Cash-settled Equity Swap
14/06/2027
14/06/2027
Cash
31857
0.014898
Cash-settled Equity Swap
15/06/2027
15/06/2027
Cash
35208
0.016465
Cash-settled Equity Swap
22/06/2027
22/06/2027
Cash
7773
0.003635
Cash-settled Equity Swap
29/07/2027
29/07/2027
Cash
326964
0.152907
Cash-settled Equity Swap
22/09/2027
22/09/2027
Cash
2248574
1.051559
Cash-settled Equity Swap
28/09/2027
28/09/2027
Cash
19968
0.009338
Cash-settled Equity Swap
04/10/2027
04/10/2027
Cash
7327
0.003427
Cash-settled Equity Swap
05/10/2027
05/10/2027
Cash
5760
0.002694
Cash-settled Equity Swap
06/10/2027
06/10/2027
Cash
31726
0.014837
Cash-settled Equity Swap
02/11/2027
02/11/2027
Cash
307204
0.143666
Cash-settled Equity Swap
15/11/2027
15/11/2027
Cash
847
0.000396
Cash-settled Equity Swap
17/11/2027
17/11/2027
Cash
197979
0.092586
Cash-settled Equity Swap
02/12/2027
02/12/2027
Cash
62117
0.029049
Cash-settled Equity Swap
12/04/2028
12/04/2028
Cash
35917
0.016797
Cash-settled Equity Swap
05/05/2028
05/05/2028
Cash
3620
0.001693
Cash-settled Equity Swap
30/05/2028
30/05/2028
Cash
980183
0.458388
Cash-settled Equity Swap
02/06/2028
02/06/2028
Cash
7773
0.003635
Cash-settled Equity Swap
28/07/2028
28/07/2028
Cash
26009
0.012163
Cash-settled Equity Swap
30/04/2029
30/04/2029
Cash
10580
0.004948
Cash-settled Equity Swap
15/11/2029
15/11/2029
Cash
196902
0.092082
Cash-settled Equity Swap
03/01/2031
03/01/2031
Cash
313510
0.146615
Cash-settled Equity Swap
15/05/2031
15/05/2031
Cash
1811126
0.846984
Cash-settled Equity Swap
25/07/2031
25/07/2031
Cash
5070
0.002371
Cash-settled Equity Swap
04/08/2031
04/08/2031
Cash
57149
0.026726
Cash-settled Equity Swap
11/09/2031
11/09/2031
Cash
47
0.000022
Cash-settled Equity Swap
29/09/2031
29/09/2031
Cash
18
0.000008
Cash-settled Equity Swap
08/10/2031
08/10/2031
Cash
12237
0.005723
Cash-settled Equity Swap
05/09/2033
05/09/2033
Cash
10090
0.004719
Cash-settled Equity Swap
16/09/2033
16/09/2033
Cash
27252
0.012745
Cash-settled Equity Swap
22/09/2033
22/09/2033
Cash
9430
0.004410
Cash-settled Equity Swap
28/09/2033
28/09/2033
Cash
42384
0.019821
Cash-settled Equity Swap
05/10/2033
05/10/2033
Cash
19965
0.009337
Cash-settled Equity Swap
06/10/2033
06/10/2033
Cash
22007
0.010292
Cash-settled Equity Swap
07/10/2033
07/10/2033
Cash
25477
0.011914
Cash-settled Equity Swap
19/10/2033
19/10/2033
Cash
37545
0.017558
Sub Total 8.B2
10998048
5.143303%
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
5.143303
5.157770%
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
If date does not apply, explain below
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
19-Oct-2026
13. Place Of Completion
London
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