Holding(s) in Company
TR-1: Standard form for notification of major holdings
1. Issuer Details
ISIN
GB0007958233
Issuer Name
SENIOR 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
28-May-2026
6. Date on which Issuer notified
01-Jun-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
1.087417
4.704852
5.792269
24293826
Position of previous notification (if applicable)
0.550095
4.573473
5.123568
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)
GB0007958233
4560822
1.087417
Sub Total 8.A
4560822
1.087417%
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
30/09/2026
30/09/2026
Cash
3620565
0.863235
Cash-settled Equity Swap
15/10/2026
15/10/2026
Cash
34843
0.008307
Cash-settled Equity Swap
23/12/2026
23/12/2026
Cash
13439490
3.204318
Cash-settled Equity Swap
06/01/2027
06/01/2027
Cash
851023
0.202906
Cash-settled Equity Swap
04/05/2027
04/05/2027
Cash
14232
0.003393
Cash-settled Equity Swap
05/05/2027
05/05/2027
Cash
52478
0.012512
Cash-settled Equity Swap
17/05/2027
17/05/2027
Cash
11332
0.002702
Cash-settled Equity Swap
18/06/2027
18/06/2027
Cash
181237
0.043212
Cash-settled Equity Swap
23/06/2027
23/06/2027
Cash
629441
0.150075
Cash-settled Equity Swap
02/07/2027
02/07/2027
Cash
7719
0.001840
Cash-settled Equity Swap
22/07/2027
22/07/2027
Cash
668951
0.159495
Cash-settled Equity Swap
13/10/2027
13/10/2027
Cash
187775
0.044770
Cash-settled Equity Swap
24/04/2028
24/04/2028
Cash
18615
0.004438
Cash-settled Equity Swap
02/05/2029
02/05/2029
Cash
15303
0.003649
Sub Total 8.B2
19733004
4.704852%
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
4.704852
5.232322%
JPMorgan Chase & Co.
J.P. Morgan Markets Limited
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 Financial Investments Limited (100%)
J.P. Morgan Markets Limited (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
02-Jun-2026
13. Place Of Completion
London
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