Senior plcLSE: SNR

Senior: Holding(s) in Company

· Issued by Senior plc

Summary by 6ix AI

JPMorgan Chase & Co. notified SENIOR PLC on October 5, 2026 that its holding crossed or reached a reporting threshold on October 1, 2026, when it held 7.980522% of the company's voting rights in total, compared with 7.975742% in its previous notification.

Key details

  • As of October 1, 2026, the holding was 33,202,868 voting rights through shares (7.916413%) plus 268,883 through financial instruments (0.064109%), totalling 33,471,751 voting rights.
  • In its previous notification, JPMorgan Chase & Co. reported 4.956370% through shares and 3.019372% through financial instruments.
  • The financial instruments are cash-settled equity swaps (contracts settled in cash rather than shares, with similar economic effect) equivalent to 268,883 voting rights, with expiry dates ranging from October 15, 2026 to May 30, 2028.
  • The holdings are held through JPMorgan Chase & Co. subsidiaries J.P. Morgan Securities PLC, J.P. Morgan Markets Limited and J.P. Morgan SE. J.P. Morgan Securities PLC is listed with 7.648846% of voting rights and 7.712955% in total.

6ix AI wrote this summary from the release below and checked it against the release.

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; 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

01-Oct-2026

6. Date on which Issuer notified

05-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

7.916413

0.064109

7.980522

33471751

Position of previous notification (if applicable)

4.956370

3.019372

7.975742

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

33202868

7.916413

Sub Total 8.A

33202868

7.916413%

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

15/10/2026

15/10/2026

Cash

22342

0.005327

Cash-settled Equity Swap

30/11/2026

30/11/2026

Cash

14429

0.003440

Cash-settled Equity Swap

05/05/2027

05/05/2027

Cash

32755

0.007810

Cash-settled Equity Swap

02/07/2027

02/07/2027

Cash

34883

0.008317

Cash-settled Equity Swap

02/09/2027

02/09/2027

Cash

85149

0.020302

Cash-settled Equity Swap

17/09/2027

17/09/2027

Cash

32232

0.007685

Cash-settled Equity Swap

04/10/2027

04/10/2027

Cash

15083

0.003596

Cash-settled Equity Swap

02/11/2027

02/11/2027

Cash

29606

0.007059

Cash-settled Equity Swap

30/05/2028

30/05/2028

Cash

2404

0.000573

Sub Total 8.B2

268883

0.064109%

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

7.648846

7.712955%

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

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 Bank, National Association (100%)
J.P. Morgan International Finance Limited (100%)
J.P. Morgan SE (100%)

JPMorgan Chase & Co.
JPMorgan Chase Holdings LLC (100%)
J.P. Morgan Financial Investments Limited (100%)
J.P. Morgan Markets Limited (100%)

12. Date of Completion

05-Oct-2026

13. Place Of Completion

London

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