Chung Po Tech Announces Ex-Dividend Date and Related Matters

1. Date of board resolution, shareholders' meeting resolution, or company decision: June 8, 2026 2. Type of ex-rights/ex-dividend (please fill in "ex-rights", "ex-dividend", or "ex-rights and ex-dividend"): Ex-dividend 3. Type and amount of ordinary share dividends: Cash dividend from retained earnings of NT$5.7 per share, total NT$2,571,823,430. 4. Ex-dividend trading date: June 24, 2026 5. Last book closure date: June 25, 2026 6. Book closure start date: June 26, 2026 7. Book closure end date: June 30, 2026 8. Ex-dividend record date: June 30, 2026 9. Last conversion date for bonds: Not applicable 10. Bond conversion suspension start date: Not applicable 11. Bond conversion suspension end date: Not applicable 12. Cash dividend payment date for ordinary shares: July 16, 2026 13. Other matters to be noted: None