[Hui Chiao Design] Announcement of Board Resolution on Cash Dividend Record Date

1. Date of Board of Directors' resolution, Shareholders' meeting resolution, or company decision: 2026/05/13 2. Type of dividend (please fill in "ex-right", "ex-dividend", or "ex-right and ex-dividend"): Ex-dividend 3. Type and amount of common stock dividend distribution: Cash dividend of NTD 231,000,000 4. Ex-dividend (ex-right) trading date: 2026/07/06 5. Last transfer date: 2026/07/07 6. Book closure start date: 2026/07/08 7. Book closure end date: 2026/07/12 8. Ex-dividend (ex-right) record date: 2026/07/12 9. Last application date for bond conversion: Not applicable 10. Bond conversion suspension start date: Not applicable 11. Bond conversion suspension end date: Not applicable 12. Common stock cash dividend payment date: 2026/07/24 13. Other matters to be specified: None.