Form of Proxy

THAT THE COMPANYS ANNUAL REPORT FINANCIAL STATEMENTS FOR THE YEAR ENDED 30 NOVEMBER 2025, TOGETHER WITH THE DIRECTORS REPORT, STRATEGIC REPORT AND AUDITORS REPORT THEREON, BE RECEIVED

THAT A FINAL DIVIDEND OF 9.2 PENCE PER ORDINARY SHARE BE DECLARED AND PAID ON 12 JUNE 2026, TO SHAREHOLDERS ON THE REGISTER OF MEMBERS AS AT THE CLOSE OF BUSINESS ON 15 MAY 2026

THAT THE DIRECTORS REMUNERATION REPORT FOR THE YEAR ENDED 30 NOVEMBER 2025, OTHER THAN THE PART CONTAINING THE DIRECTORS REMUNERATION POLICY, AS SET OUT ON PAGES 122 TO 127 OF THE 2025 ANNUAL REPORT AND FINANCIAL STATEMENTS, BE APPROVED

THAT THE DIRECTORS REMUNERATION POLICY, AS SET OUT ON PAGES 122 TO 127 OF THE 2025 ANNUAL REPORT AND FINANCIAL STATEMENTS, BE APPROVED

THAT JAMES BILEFIELD BE RE-ELECTED AS A DIRECTOR OF THE COMPANY

THAT TIMO LEHNE BE RE-ELECTED AS A DIRECTOR OF THE COMPANY

THAT ANDREW BEACH BE RE-ELECTED AS A DIRECTOR OF THE COMPANY

THAT IMOGEN JOSS BE RE-ELECTED AS A DIRECTOR OF THE COMPANY

THAT SANJEEVAN BALA BE RE-ELECTED AS A DIRECTOR OF THE COMPANY

THAT PAULA COUGHLAN BE ELECTED AS A DIRECTOR OF THE COMPANY

THAT ROSIE SHAPLAND BE ELECTED AS A DIRECTOR OF THE COMPANY

THAT ERNST YOUNG LLP BE RE-ELECTED AS AUDITOR OF THE COMPANY TO HOLD OFFICE UNTIL THE CONCLUSION OF THE NEXT GENERAL MEETING AT WHICH ACCOUNTS ARE LAID

THAT THE AUDIT RISK COMMITTEE BE AUTHORISED TO DETERMINE THE REMUNERATION OF THE AUDITOR

THAT: IN ACCORDANCE WITH SECTION 366 OF THE COMPANIES ACT 2006, THE COMPANY AND ALL COMPANIES THAT ARE SUBSIDIARIES OF THE COMPANY AT ANY TIME DURING THE PERIOD FOR WHICH THIS RESOLUTION HAS EFFECT ARE AUTHORISED TO: (A) MAKE POLITICAL DONATIONS TO POLITICAL PARTIES, AND/OR INDEPENDENT ELECTION

THAT, PURSUANT TO SECTION 551 OF THE COMPANIES ACT 2006, THE DIRECTORS BE AND ARE GENERALLY AND UNCONDITIONALLY AUTHORISED TO EXERCISE ALL POWERS OF THE COMPANY TO ALLOT SHARES IN THE COMPANY OR TO GRANT RIGHTS TO SUBSCRIBE FOR OR TO CONVERT ANY SECURITY INTO SHARES IN THE COMPANY UP TO AN AGGREGATE

THAT, THE RULES OF THE STHREE PLC 2026 LONG TERM INCENTIVE PLAN (THE LTIP), PRODUCED IN DRAFT TO THE MEETING AND A SUMMARY OF THE MAIN PROVISIONS OF WHICH IS SET OUT IN APPENDIX 1 TO THE NOTICE OF MEETING DATED 23 FEBRUARY 2026, BE APPROVED AND THE DIRECTORS BE AUTHORISED TO: (I) DO ALL SUCH

THAT A GENERAL MEETING OTHER THAN AN ANNUAL GENERAL MEETING MAY BE CALLED ON NOT LESS THAN 14 CLEAR DAYSNOTICE

THAT, IF RESOLUTION 15 IS PASSED, IN SUBSTITUTION FOR ALL SUBSISTING AUTHORITIES, THE DIRECTORS BE AND ARE GENERALLY AUTHORISED TO ALLOT EQUITY SECURITIES (WITHIN THE MEANING OF SECTION 560 OF THE COMPANIES ACT 2006) FOR CASH, PURSUANT TO THE AUTHORITY GRANTED BY RESOLUTION 15 AND/ OR TO SELL

THAT, IF RESOLUTION 15 IS PASSED, AND IN ADDITION TO ANY AUTHORITY GRANTED UNDER RESOLUTION 18, TO ALLOT EQUITY SECURITIES (AS DEFINED IN THE COMPANIES ACT 2006) FOR CASH UNDER THE AUTHORITY GIVEN BY THAT RESOLUTION AND/OR TO SELL ORDINARY SHARES HELD BY THE COMPANY AS TREASURY SHARES FOR CASH

THAT THE COMPANY BE GENERALLY AND UNCONDITIONALLY AUTHORISED FOR THE PURPOSES OF SECTION 701 OF THE COMPANIES ACT 2006 TO MAKE MARKET PURCHASES, AS DEFINED IN SECTION 693 OF THAT ACT, OF ORDINARY SHARES OF 1P EACH IN THE CAPITAL OF THE COMPANY ON SUCH TERMS AND IN SUCH MANNER AS THE DIRECTORS