Chia-Tse Announces Ex-Dividend Date for Cash Dividend Distribution

Release Date: June 23, 2026 (ROC 115) Statement Date: June 22, 2026 (ROC 115) Statement Time: 14:54:44 Company Code: 3533 Company Name: Chia-Tse Subject: Announcement of Board Resolution on Dividend Record Date Applicable Clause: Clause 14 Event Date: June 22, 2026 (ROC 115) Details: 1. Date of Board/Shareholders’ Meeting Resolution or Company Decision: June 22, 2026 (ROC 115) 2. Type of Rights/Dividends (please enter 'Rights', 'Dividends', or 'Rights and Dividends'): Dividends 3. Ordinary Share Dividend Type and Amount: Cash dividend of NT$3,927,788,235 Cash dividends will be distributed based on shareholders' holdings as recorded in the shareholder register on the ex-dividend reference date, amounting to NT$34.93436024 per share 4. Ex-Rights/Ex-Dividend Trading Day: August 4, 2026 (ROC 115) 5. Last Transfer Date: August 5, 2026 (ROC 115) 6. Start Date of Transfer Suspension: August 6, 2026 (ROC 115) 7. End Date of Transfer Suspension: August 10, 2026 (ROC 115) 8. Ex-Rights/Ex-Dividend Reference Date: August 10, 2026 (ROC 115) 9. Final Date for Bond Conversion Application: N/A 10. Start Date of Bond Conversion Suspension: N/A 11. End Date of Bond Conversion Suspension: N/A 12. Ordinary Share Cash Dividend Payment Date: August 31, 2026 (ROC 115) 13. Other Matters to be Disclosed: None