Ko Hsing Chang Announces Ex-Dividend Date for Cash Dividend

1. Date of Board, Shareholders' Meeting Resolution or Company Decision: 06/18/2026 (ROC 115) 2. Type of Rights/Dividend Issuance (please enter 'Rights', 'Dividend', or 'Rights & Dividend'): Dividend 3. Type and Amount of Ordinary Share Dividend: Cash Dividend of TWD 190,852,293 (TWD 1 per share) 4. Ex-Rights (Ex-Dividend) Trading Day: 07/10/2026 (ROC 115) 5. Last Transfer Date: 07/13/2026 (ROC 115) 6. Start Date of Transfer Suspension: 07/14/2026 (ROC 115) 7. End Date of Transfer Suspension: 07/18/2026 (ROC 115) 8. Ex-Rights (Ex-Dividend) Reference Date: 07/18/2026 (ROC 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: 08/13/2026 (ROC 115) 13. Other Matters to be Disclosed: The Chairman of the Company set the ex-dividend reference date on June 18, 2026 (ROC 115). Keyword: Material Information