[Fwu Sow] Announcement on Ex-Dividend Reference Date

1. Date of Board/Shareholders' Meeting resolution or company decision: 115/05/22 2. Type of Ex-rights/Ex-dividend: Ex-dividend 3. Type and amount of common stock dividends: Cash dividends of 170,619,182 TWD, at 0.5 TWD per share 4. Ex-dividend trading date: 115/06/08 5. Last day for transfer of shares: 115/06/09 6. Start date of share transfer suspension: 115/06/10 7. End date of share transfer suspension: 115/06/14 8. Ex-dividend reference date: 115/06/14 9. Last 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. Cash dividend payment date: 115/06/25 13. Other matters: None