Yushi-KY Announces Ex-Dividend Trading Date for H2 2025 Cash Dividend

1. Date of Board Resolution, Shareholders' Meeting, or Company Decision: 115/08/10 2. Type of Rights/Dividend Adjustment (please enter 'Rights Adjustment', 'Dividend Adjustment', or 'Rights and Dividend Adjustment'): Dividend Adjustment 3. Type and Amount of Ordinary Share Dividend: Cash dividend of TWD 623,074,186 for ordinary shares (TWD 3.10 per share). 4. Ex-Rights (Ex-Dividend) Trading Date: 115/09/10 5. Final Transfer Date: 115/09/12 6. Start Date of Transfer Suspension: 115/09/13 7. End Date of Transfer Suspension: 115/09/17 8. Ex-Rights (Ex-Dividend) Benchmark Date: 115/09/17 9. Final Date for Bond Conversion Application: 115/08/20 10. Start Date of Bond Conversion Suspension: 115/08/24 11. End Date of Bond Conversion Suspension: 115/09/17 12. Ordinary Share Cash Dividend Payment Date: 115/10/15 13. Whether Part or All of the Cash Dividend is Paid in Foreign Currency (please enter 'Yes' or 'No'): No. 14. Currency for Foreign Cash Dividend: Not applicable. 15. Recipients of Foreign Cash Dividend: Not applicable. 16. Method for Determining Exchange Rate for Foreign Cash Dividend: Not applicable. 17. Other Matters to be Disclosed: Should the number of outstanding shares change due to the conversion of the sixth unsecured convertible bonds issued within the Republic of China or other legal factors, resulting in adjustments to shareholder dividend ratios, the Chairman will be authorized to adjust the dividend ratio based on the total number of outstanding shares on the dividend benchmark date, and a separate announcement will be made accordingly.