<div id="readability-page-1"><div>RNS Number : 8426M IDOX PLC 24 December 2025 TR-1: Standard form for notification of major holdings1. Issuer DetailsISINGB0002998192Issuer NameIDOX PLCUK or Non-UK IssuerUK2. Reason for NotificationAn acquisition or disposal of voting rights3. Details of person subject to the notification obligationNameRathbones Investment Management LtdCity of registered office (if applicable)LondonCountry of registered office (if applicable)United Kingdom4. Details of the shareholder<div><table><tbody><tr><td>Name</td><td>Rathbone Nominees Limited</td></tr><tr><td>City of registered office</td><td>London</td></tr><tr><td>Country of registered office</td><td>United Kingdom</td></tr></tbody></table></div>5. Date on which the threshold was crossed or reached22-Dec-20256. Date on which Issuer notified23-Dec-20257. 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>1.930200</td><td>0.000000</td><td>1.930200</td><td>8911541</td></tr><tr><td>Position of previous notification (if applicable)</td><td>7.132000</td><td>0.000000</td><td>7.132000</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>GB0002998192</td><td></td><td>8911541</td><td></td><td>1.930200</td></tr><tr><td>Sub Total 8.A</td><td colspan="2">8911541</td><td colspan="2">1.930200%</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 obligation2. 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)<div><table><tbody><tr><td>Ultimate controlling person</td><td>Rathbones Group plc</td></tr><tr><td>Name of controlled undertaking</td><td>Rathbones Investment Management Limited</td></tr><tr><td>% of voting rights if it equals or is higher than the notifiable threshold</td><td>1.930200</td></tr><tr><td>% of voting rights through financial instruments if it equals or is higher than the notifiable threshold</td><td></td></tr><tr><td>Total of both if it equals or is higher than the notifiable threshold</td><td>1.930200%</td></tr></tbody></table></div>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 InformationNone12. Date of Completion23-Dec-202513. Place Of CompletionPort of Liverpool Building, Liverpool L3 1NWThis 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 HOLEAEALAEDSFFA</div></div>

IDOX

Rathbones Investment Management Ltd has notified IDOX PLC of a change in their voting rights, crossing a threshold on December 22, 2025. Their current holding is 1.9302% of voting rights, down from a previous 7.132%. The notification was completed on December 23, 2025, and involves Rathbones Group plc as the ultimate controlling entity.

REG - IDOX PLC - Holding(s) in Company