[Kwanstar-KY] Announcement of 2026 Ex-Dividend Record Date and Suspension Period for Domestic Convertible Bond Conversion

1. Date of resolution by the board of directors, shareholders' meeting, or company decision: 115/06/17 2. Type of ex-rights or ex-dividend (please enter "ex-rights", "ex-dividend", or "ex-rights and dividend"): Ex-dividend 3. Type and amount of dividend for common shares: Cash dividend for common shares of NT$152,448,748. 4. Ex-dividend trading date: 115/07/16 5. Last transfer date: 115/07/17 6. Start date of book closure period: 115/07/18 7. End date of book closure period: 115/07/22 8. Ex-dividend record date: 115/07/22 9. Last date for bond conversion application: 115/06/25 10. Start date of bond conversion suspension: 115/06/29 11. End date of bond conversion suspension: 115/07/22 12. Payment date of cash dividend for common shares: 115/08/14 13. Other matters to be specified: For other unresolved matters, or if necessitated by adjustments, changes in laws and regulations, or requests from competent authorities, the Chairman is authorized to handle them with full discretion.