REG — Mercia Asset Mgt PLC — TR — 1: Notification of major holdings

For best results when printing this announcement, please click on link below: RNS Number: 4623V Mercia Asset Management PLC 18 September 2026 TR-1: Standard form for notification of major holdings 1. Issuer Details ISIN GB00BSL71W47 Issuer Name MERCIA ASSET MANAGEMENT PLC UK or Non-UK Issuer UK 2. Reason for Notification Other Comments Change in Total number of Voting Rights 3. Details of person subject to the notification obligation Name Invesco Ltd.

City of registered office (if applicable) Atlanta Country of registered office (if applicable) USA 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 17-Sep-2026 6. Date on which Issuer notified 18-Sep-2026 7.

900000 8. Notified details of the resulting situation on the date on which the threshold was crossed or reached 8A. 000000% 8B1. B1 8B2.

B2 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 Total of both if it equals or is higher than the notifiable threshold than the notifiable threshold Invesco Ltd. 000000% 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 Refer to section 9 for detail of proxy holder's and % of voting rights held. Voting authority is held until it is revoked by the client/ the relevant Investment Management Agreement is terminated. 12.

Date of Completion 18-Sep-2026 13. Place Of Completion Henley-on-Thames This 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.

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