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

1. Date of Board, Shareholders' Meeting Resolution, or Company Decision: July 6, 2026 (Minguo Year 115) 2. Type of Rights/Dividend Adjustment (please enter 'Rights Adjustment', 'Dividend Adjustment', or 'Rights and Dividend Adjustment'): Dividend Adjustment 3. Ordinary Share Dividend Type and Amount: (1) Original Dividend Type and Amount: Cash dividend from retained earnings: NT$145,829,540 Dividend per share: NT$1.00000000 (2) Adjusted Dividend Type and Amount: Cash dividend from retained earnings: NT$145,829,540 Dividend per share: NT$1.00373053 4. Ex-Dividend Trading Day: July 23, 2026 (Minguo Year 115) 5. Last Transfer Date: July 26, 2026 (Minguo Year 115) 6. Start Date of Transfer Suspension: July 27, 2026 (Minguo Year 115) 7. End Date of Transfer Suspension: July 31, 2026 (Minguo Year 115) 8. Ex-Dividend Benchmark Date: July 31, 2026 (Minguo Year 115) 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 (Minguo Year 115) 13. Whether All or Part of the Cash Dividend is Paid in Foreign Currency (please enter 'Yes' or 'No'): No 14. Currency for Foreign Cash Dividend: Not applicable 15. Recipients of Foreign Cash Dividend: Not applicable 16. Method for Determining Exchange Rate for Foreign Cash Dividend: Not applicable 17. Other Matters to be Disclosed: Due to the company's repurchase of treasury shares, the number of shares outstanding has changed, resulting in an adjustment to the dividend payout rate. As the original last transfer date falls on a holiday, shareholders must visit the company's share transfer agent in person by 4:30 PM on July 24, 2026 (Minguo Year 115), or if sending by registered mail, the postmark date must be July 26, 2026 (Minguo Year 115), the last transfer date.