Senior plcLSE: SNR

Senior: Holding(s) in Company

· Issued by Senior plc

Summary by 6ix AI

Societe Generale, based in London, notified SENIOR PLC on October 2, 2026 that its total voting rights in the company fell to 5.253292% on October 1, 2026, from 7.599980% at its previous notification, crossing a notifiable threshold.

Key details

  • On October 1, 2026, Societe Generale held a total of 22,033,257 voting rights in SENIOR PLC.
  • Of these, 22,033,253 voting rights (5.253291%) are attached to shares.
  • A further 4 voting rights (0.000001%) are held through a contract for difference, a financial contract that tracks the share price. It is settled in cash and expires on November 25, 2026.
  • Societe Generale states that it is not controlled by any person or entity and does not control any other business holding an interest in SENIOR PLC.

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

3. Details of person subject to the notification obligation

Name

Societe Generale

City of registered office (if applicable)

London

Country of registered office (if applicable)

United Kingdom

4. Details of the shareholder

Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above

City of registered office (if applicable)

Country of registered office (if applicable)

5. Date on which the threshold was crossed or reached

01-Oct-2026

6. Date on which Issuer notified

02-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

5.253291

0.000001

5.253292

22033257

Position of previous notification (if applicable)

7.599979

0.000001

7.599980

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

22033253

5.253291

Sub Total 8.A

22033253

5.253291%

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

Contract For Difference

25/11/2026

25/11/2026

Cash

4

0.000001

Sub Total 8.B2

4

0.000001%

9. Information in relation to the person subject to the notification obligation

1. Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer.

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

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

12. Date of Completion

02-Oct-2026

13. Place Of Completion

London, United Kingdom

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