RM plc: Holding(s) in Company

RM plc (RM.) RM plc: Holding(s) in Company 08-Oct-2026 / 12:09 GMT/BST TR-1: Standard form for notification of major holdings 1. Issuer Details ISIN GB00BJT0FF39 Issuer Name RM 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 Harwood Capital LLP City of registered office (if applicable) Country of registered office (if applicable) Name City of registered office Country of registered office Harwood Capital Management (Gibraltar) Limited Gibraltar Gibraltar Harwood Capital LLP London United Kingdom 4. Details of the shareholder Name City of registered office Country of registered office Oryx International Growth Fund Limited Guernsey Guernsey Harwood Capital LLP London United Kingdom Rockwood Strategic Plc London United Kingdom 5. Date on which the threshold was crossed or reached 06-Oct-2026 6. Date on which Issuer notified 07-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 22.047000 0.000000 22.047000 21625000 Position of previous notification (if applicable) 20.518000 0.000000 20.518000 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) GB00BJT0FF39 18500000 18.861000 GB00BJT0FF39 1125000 1.147000 GB00BJT0FF39 2000000 2.039000 Sub Total 8.A 21625000 22.047000% 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 Sub Total 8.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 than the notifiable threshold Total of both if it equals or is higher than the notifiable threshold Christopher Harwood Bernard Mills Rockwood Strategic Plc 18.861000 18.861000% Christopher Harwood Bernard Mills Harwood Capital LLP 1.147000 1.147000% Christopher Harwood Bernard Mills Oryx International Growth Fund Limited 2.039000 2.039000% 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 07/10/2026 13. Place Of Completion London Stock Exchange Dissemination of a Regulatory Announcement, transmitted by EQS Group. The issuer is solely responsible for the content of this announcement. View original content: EQS News

ISIN:	GB00BJT0FF39
Category Code:	HOL
TIDM:	RM.
LEI Code:	2138005RKUCIEKLXWM61
Sequence No.:	445849
EQS News ID:	2412646

End of Announcement	EQS News Service