【Yi-Quan】Announcement from the Company Chairman on Setting the Ex-Dividend Record Date and Suspension of Domestic Convertible Bond Conversion

1. Date of resolution by the Board of Directors, Shareholders' Meeting, or company decision: 115/04/28 2. Type of ex-rights/ex-dividend (please fill in "ex-rights", "ex-dividend", or "ex-rights and ex-dividend"): Ex-dividend 3. Type and amount of common stock dividends distributed: (1) Cash dividend from earnings distribution: NT$57,989,645. (2) Cash dividend from capital reserve distribution: NT$57,989,645. 4. Ex-dividend trading date: 115/05/25 5. Last date for transfer registration: 115/05/26 6. Start date for suspension of transfer registration: 115/05/27 7. End date for suspension of transfer registration: 115/05/31 8. Ex-dividend record date: 115/05/31 9. Last date for bond conversion application: 115/05/04 10. Start date for suspension of bond conversion: 115/05/06 11. End date for suspension of bond conversion: 115/05/31 12. Common stock cash dividend payment date: 115/06/30 13. Other matters to be specified: (1) In accordance with the board resolution on 115/03/10, the Chairman is authorized to determine the ex-dividend record date and matters related to adjusting the dividend distribution ratio.