Hung-Chi: Announcement on Record Date for Conversion of Second Domestic Unsecured Convertible Bonds to Common Shares

1. Date of Board of Directors resolution: 2026/05/08 2. Source of capital increase: Convertible bonds 3. Whether to adopt comprehensive reporting for new share issuance (Yes, please state the planned issuance period/No): No 4. Total amount and number of shares issued (if for profit or capital reserve capitalization, the number of shares does not include those allocated to employees): NTD 65,180; Number of shares issued: 6,518 shares 5. For comprehensive reporting new share issuance cases, the amount and number of shares issued this time: Not applicable 6. For comprehensive reporting new share issuance cases, after this issuance, the remaining amount and number of shares balance: Not applicable 7. Par value per share: NTD 10 8. Issue price: Not applicable 9. Employee subscription shares or allocation amount: Not applicable 10. Public sale shares: Not applicable 11. Proportion of original shareholders' subscription or free allocation: Not applicable 12. Handling method for odd-lot shares and unsubscribed shares after expiry: Not applicable 13. Rights and obligations of new shares issued this time: Same as original common shares 14. Purpose of capital increase this time: Not applicable 15. Other matters that should be specified: Set June 8, 2026, as the record date for the capital increase from convertible bonds to common shares Keywords: Material Information