HTC Announces Benchmark Date for Converting Employee Stock Options into Ordinary Shares

1. Board resolution date: August 4, 2026 (ROC Year 115) 2. Source of capital increase: Employee exercise of stock option warrants 3. Is the issuance of new shares under a blanket registration? (If yes, specify the planned issuance period; if no): No 4. Total amount and number of shares issued in the entire case (excluding shares allocated to employees in the case of surplus or reserve capitalization): Not applicable 5. Amount and number of shares issued in this instance under a blanket registration: Not applicable 6. Remaining amount and number of shares after this issuance under a blanket registration: Not applicable 7. Par value per share: NT$10 8. Issue price: Subscription price of NT$35.5 per share 9. Number of shares subscribed by employees or amount allocated: 32,000 shares 10. Number of publicly offered shares: Not applicable 11. Subscription ratio or free allocation ratio for existing shareholders: Not applicable 12. Handling method for fractional shares and unclaimed shares after deadline: Not applicable 13. Rights and obligations of the newly issued shares in this issuance: Same as the originally issued ordinary shares 14. Purpose of the capital increase funds: To attract and retain talent required by the company 15. Rationality and necessity of fundraising after cash reduction (applicable if cash reduction was conducted in the current or previous year): Not applicable 16. Other matters to be stated: The benchmark date for the issuance of new shares through capital increase is August 4, 2026 (ROC Year 115)