Sinochem Holdings Announces Board-Set Dividend Benchmark Date and Adjusted Dividend Rate

1. Date of Board, Shareholders' Meeting Resolution or Company Decision: July 6, 2026 2. Type of Ex-Rights/Ex-Dividend (please enter 'Ex-Rights', 'Ex-Dividend', or 'Ex-Rights and Ex-Dividend'): Ex-Dividend 3. Ordinary Share Dividend Type and Amount: (1) Original Dividend Type and Amount: Cash dividend from earnings: NT$145,829,540 Dividend per share: NT$1.00000000 (2) Adjusted Dividend Type and Amount: Cash dividend from earnings: NT$145,829,540 Dividend per share: NT$1.00373053 4. Ex-Dividend Trading Date: July 23, 2026 5. Last Transfer Date: July 24, 2026 6. Start Date of Transfer Suspension: July 27, 2026 7. End Date of Transfer Suspension: July 31, 2026 8. Ex-Dividend Benchmark Date: July 31, 2026 9. Final Date for Bond Conversion Application: Not applicable 10. Start Date of Bond Conversion Suspension: Not applicable 11. End Date of Bond Conversion Suspension: Not applicable 12. Ordinary Share Cash Dividend Payment Date: August 20, 2026 13. Is part or all of the cash dividend paid in foreign currency? (please enter 'Yes' or 'No'): No 14. Foreign Currency for Cash Dividend: Not applicable 15. Recipients of Foreign Currency Dividend: Not applicable 16. Method of Determining Exchange Rate for Foreign Currency Dividend: Not applicable 17. Other Matters to be Disclosed: Due to the company's repurchase of treasury shares, the number of outstanding shares has changed, thus the dividend rate has been adjusted accordingly.