Business
TR-1: Notification of Major Holdings
FMR LLC has reduced its holding in SigmaRoc PLC, with its total voting rights now standing at 9.997400%, down from a previous notification of 10.000000%. This change, which occurred on April 15, 2026, resulted in FMR LLC holding 111,456,284 voting rights attached to shares, with no voting rights held through financial instruments. The notification was made to the issuer on April 17, 2026. Disclaimer*

About this update from Sigmaroc Plc
TR-1: Standard form for notification of major holdings 1. Issuer Details ISIN GB00BYX5K988 Issuer Name SIGMAROC 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 FMR LLC City of registered office (if applicable) Boston Country of registered office (if applicable) United States of America 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 15-Apr-2026 6. Date on which Issuer notified 17-Apr-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 9.997400 0.000000 9.997400 111456284 Position of previous notification (if applicable) 10.000000 0.000000 10.000000 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) GB00BYX5K988 111456284 9.997400 Sub Total 8.A 111456284 9.997400% 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...