REG — Crimson Tide PLC — Holding(s) in Company

For best results when printing this announcement, please click on link below: RNS Number: 5666V Crimson Tide PLC 21 September 2026 TR-1: Standard form for notification of major holdings 1a. Identity of the issuer or the underlying issuer of existing shares to Crimson Tide Plc which voting rights are attached ii: 1b. Please indicate if the issuer is a non-UK issuer (please mark with an “X” if appropriate) Non-UK issuer 2. Reason for the notification (please mark the appropriate box or boxes with an “X”) An acquisition or disposal of voting rights X An acquisition or disposal of financial instruments An event changing the breakdown of voting rights Other (please specify) iii: 3. Details of person subject to the notification obligation iv Name HS Bottomley City and country of registered office (if applicable) 4. Full name of shareholder(s) (if different from 3.) v Name Bottomley Family members 5. Date on which the threshold was crossed or reached vi: 17.09.26 6. Date on which issuer notified (DD/MM/YYYY): 18.09.26 7. Total positions of person(s) subject to the notification.