【Sheng Yu】Announcement of ex-dividend record date for 2026 cash dividend distribution

1. Date of board meeting, shareholder meeting resolution or company decision: 2026/05/08 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 common stock dividend: Cash dividend of NT$0.6 per share. 4. Ex-rights (ex-dividend) trading date: 2026/07/14 5. Last date for transfer registration: 2026/07/15 6. Start date of suspension of transfer registration: 2026/07/16 7. End date of suspension of transfer registration: 2026/07/20 8. Ex-rights (ex-dividend) record date: 2026/07/20 9. Last date for bond conversion application: None 10. Start date of suspension of bond conversion: None 11. End date of suspension of bond conversion: None 12. Common stock cash dividend payment date: 2026/08/14 13. Other matters to be specified: None