<div id="readability-page-1"><div>RNS Number : 2028Q Senior PLC 23 January 2026 TR-1: Standard form for notification of major holdings1. Issuer DetailsISINGB0007958233Issuer NameSENIOR PLCUK or Non-UK IssuerUK2. Reason for NotificationAn acquisition or disposal of voting rights3. Details of person subject to the notification obligationNameSterling Strategic Value Fund S.A., SICAV-RAIFCity of registered office (if applicable)LuxembourgCountry of registered office (if applicable)Grand Duchy of Luxembourg4. Details of the shareholderFull name of shareholder(s) if different from the person(s) subject to the notification obligation, aboveCity of registered office (if applicable)Country of registered office (if applicable)5. Date on which the threshold was crossed or reached21-Jan-20266. Date on which Issuer notified23-Jan-20267. Total positions of person(s) subject to the notification obligation<div><table><tbody><tr><td>.</td><td>% of voting rights attached to shares (total of 8.A)</td><td>% of voting rights through financial instruments (total of 8.B 1 + 8.B 2)</td><td>Total of both in % (8.A + 8.B)</td><td>Total number of voting rights held in issuer</td></tr><tr><td>Resulting situation on the date on which threshold was crossed or reached</td><td>2.9783%</td><td></td><td>2.9783%</td><td>12,491,565</td></tr><tr><td>Position of previous notification (if applicable)</td><td>3.0852%</td><td></td><td>3.0852%</td><td></td></tr></tbody></table></div>8. Notified details of the resulting situation on the date on which the threshold was crossed or reached8A. Voting rights attached to shares<div><table><tbody><tr><td>Class/Type of shares ISIN code(if possible)</td><td>Number of direct voting rights (DTR5.1)</td><td>Number of indirect voting rights (DTR5.2.1)</td><td>% of direct voting rights (DTR5.1)</td><td>% of indirect voting rights (DTR5.2.1)</td></tr><tr><td>GB0007958233</td><td>12,491,565</td><td></td><td>2.9783%</td><td></td></tr><tr><td>Sub Total 8.A</td><td colspan="2">12,491,565</td><td colspan="2">2.9783%</td></tr></tbody></table></div>8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))<div><table><tbody><tr><td>Type of financial instrument</td><td>Sub Total 8.B1</td></tr><tr><td>Expiration date</td><td colspan="2"></td></tr><tr><td>Exercise/conversion period</td><td></td></tr><tr><td>Number of voting rights that may be acquired if the instrument is exercised/converted</td><td></td></tr><tr><td>% of voting rights</td></tr></tbody></table></div>8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))<div><table><tbody><tr><td>Type of financial instrument</td><td>Sub Total 8.B2</td></tr><tr><td>Expiration date</td><td colspan="3"></td></tr><tr><td>Exercise/conversion period</td><td></td></tr><tr><td>Physical or cash settlement</td><td></td></tr><tr><td>Number of voting rights</td></tr><tr><td>% of voting rights</td></tr></tbody></table></div>9. Information in relation to the person subject to the notification obligation1. 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.<ul><li>Ultimate controlling person</li><li>Name of controlled undertaking</li><li>% of voting rights if it equals or is higher than the notifiable threshold</li><li>% of voting rights through financial instruments if it equals or is higher than the notifiable threshold</li><li>Total of both if it equals or is higher than the notifiable threshold</li></ul>10. In case of proxy votingName of the proxy holderThe number and % of voting rights heldThe date until which the voting rights will be held11. Additional Information12. Date of Completion23-Jan-202613. Place Of CompletionLuxembourgThis information is provided by RNS, the news service of the London Stock Exchange. RNS is approved by the Financial Conduct Authority to act as a Primary Information Provider in the United Kingdom. Terms and conditions relating to the use and distribution of this information may apply. For further information, please contact rns@lseg.com or visit www.rns.com.RNS may use your IP address to confirm compliance with the terms and conditions, to analyse how you engage with the information contained in this communication, and to share such analysis on an anonymised basis with others as part of our commercial services. For further information about how RNS and the London Stock Exchange use the personal data you provide us, please see our Privacy Policy. END HOLUOSURNAUAUAR</div></div>

Senior PLC announced that Sterling Strategic Value Fund S.A. has crossed the voting rights threshold, now holding 2.9783% of the company's voting rights, equivalent to 12,491,565 shares. The notification was made on January 23, 2026, after the threshold was reached on January 21, 2026. This information is part of the standard notification process for major holdings in the company.

REG - Senior PLC - Holding(s) in Company