8110 Huadong

Announcement Date: June 25, 2026 (ROC 115) Statement Date: June 24, 2026 (ROC 115) Statement Time: 14:14:05 Company Code: 8110 Company Name: Huadong Subject: Announcement of the benchmark date and adjusted dividend payout ratio for the company's cash dividend distribution Applicable Clause: Clause 14 Factual Date: June 24, 2026 (ROC 115) Details: 1. Date of board or shareholders' meeting resolution or company decision: June 24, 2026 (ROC 115/06/24) 2. Type of ex-rights/dividend (please enter 'ex-rights', 'ex-dividend', or 'ex-rights-and-dividend'): ex-dividend 3. Type and amount of ordinary share dividend distribution: Cash dividend totaling NT$769,109,814, with NT$1.49417181 distributed per share. 4. Ex-dividend trading date: July 9, 2026 (ROC 115/07/09) 5. Last transfer date: July 10, 2026 (ROC 115/07/10) 6. Start date of transfer suspension: July 11, 2026 (ROC 115/07/11) 7. End date of transfer suspension: July 15, 2026 (ROC 115/07/15) 8. Ex-dividend benchmark date: July 15, 2026 (ROC 115/07/15) 9. Final date for bond conversion application: Not applicable 10. Start date for suspension of bond conversion: Not applicable 11. End date for suspension of bond conversion: Not applicable 12. Ordinary share cash dividend payment date: July 29, 2026 (ROC 115/07/29) 13. Other matters to be stated: (1) The company has issued 517,739,876 ordinary shares. However, due to the deduction of 3,000,000 treasury shares, the per-share dividend payout ratio has been adjusted. (2) Cash dividend distribution is calculated to the nearest New Taiwan Dollar (NT$), with amounts below one NT$ rounded down. The total amount of fractional payments less than one NT$ will be recorded as other income for the company.