【Powerchip Semiconductor】Announcement of the Record Date for Conversion of Employee Stock Option Warrants to Common Shares

1. Date of Board of Directors' Resolution: 2026/04/28 2. Source of capital increase funds: Conversion of employee stock option warrants into common shares 3. Whether to issue new shares through general registration (If yes, please specify the planned issuance period/No): No 4. Total amount and number of shares issued in this case (If it is a capital increase from surplus or reserve, the number of shares does not include those distributed to employees): Not applicable 5. For new shares issued through general registration, the amount and number of shares issued this time: Not applicable 6. For new shares issued through general registration, the remaining amount and number of shares after this issuance: Not applicable 7. Par value per share: NTD 10 8. Issue price: Subscription prices per share are NTD 10, NTD 13.8, and NTD 59.3 9. Number of shares subscribed by employees or amount distributed: 18,441,815 shares 10. Number of shares for public sale: Not applicable 11. Proportion of subscription or free distribution to original shareholders: Not applicable 12. Handling of odd-lot shares and unsubscribed shares after expiration: Not applicable 13. Rights and obligations of the new shares issued this time: Same as the original common shares 14. Purpose of this capital increase: To attract and retain necessary talent for the company 15. Other matters to be specified: The record date for the capital increase and issuance of new shares is 2026/04/28