Holding(s) in Company

TR-1: Standard form for notification of major holdings 1. Issuer Details ISIN GB00BGDT3G23 Issuer Name RIGHTMOVE 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 Kayne Anderson Rudnick Investment Management, LLC City of registered office (if applicable) Los Angeles Country of registered office (if applicable) United States 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 22-Dec-2025 6. Date on which Issuer notified 23-Dec-2025 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 0.195720 3.753170 3.948890 30111464 Position of previous notification (if applicable) 1.092640 3.852140 4.944780   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) GB00BGDT3G23 1492417 0 0.195720 0.000000 Sub Total 8.A 1492417 0.195720% 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 ADR     28619047 3.753170 Sub Total 8.B1   28619047 3.753170% 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 Virtus Investment Partners, Inc Virtus Investment Partners, Inc 0.000000 0.000000 0.000000% Kayne Anderson Rudnick Investment Management, LLC Kayne Anderson Rudnick Investment Management, LLC 0.195720 3.753170 3.948890% 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   12. Date of Completion 23-Dec-2025 13. Place Of Completion Los Angeles, CA, USA