KMC Announces Cash Dividend Ex-Dividend Record Date for Q2 2026

1. Date of Board of Directors, Shareholders' Meeting Resolution, or Company Decision: August 11, 2026 2. Type of Ex-Rights/Ex-Dividend (please enter 'Ex-Rights', 'Ex-Dividend', or 'Ex-Rights/Ex-Dividend'): Ex-Dividend 3. Ordinary Share Cash Dividend Type and Amount: Ordinary share cash dividend of TWD 162,834,000 Approximately TWD 1.29232541 per share to be distributed. 4. Ex-Dividend Trading Day: December 21, 2026 5. Last Transfer Date: December 22, 2026 6. Start Date of Transfer Suspension: December 23, 2026 7. End Date of Transfer Suspension: December 27, 2026 8. Ex-Dividend Record Date: December 27, 2026 9. Final Application Date for Bond Conversion: Not applicable 10. Start Date of Bond Conversion Suspension: Not applicable 11. End Date of Bond Conversion Suspension: Not applicable 12. Ordinary Share Cash Dividend Payment Date: January 15, 2027 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: None