Cheng Tai Announces Ex-Rights and Ex-Dividend Date for 2026 Cash and Stock Dividends

1. Date of Board or Shareholders' Meeting Resolution or Company Decision: 08/10/2026 2. Type of Ex-Rights/Ex-Dividend (please enter 'Ex-Rights', 'Ex-Dividend', or 'Ex-Rights and Ex-Dividend'): Ex-Rights and Ex-Dividend 3. Types and Amounts of Ordinary Share Dividends: Cash Dividend: NT$10,940,042, NT$0.1 per share. Stock Dividend: NT$98,460,330, NT$0.9 per share. 4. Ex-Rights (Dividend) Trading Date: 08/26/2026 5. Last Transfer Date: 08/27/2026 6. Start Date of Transfer Suspension: 08/28/2026 7. End Date of Transfer Suspension: 09/01/2026 8. Ex-Rights (Dividend) Base Date: 09/01/2026 9. Final Date for Bond Conversion Application: 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: 09/30/2026 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: (1) The issuance of new shares through capitalization of retained earnings has been approved for effectiveness by the Financial Supervisory Commission on July 21, 2026. (2) If subsequent changes in the company's capital affect the number of outstanding shares and require adjustments to shareholders' dividend ratios, the Chairman is authorized to handle such matters at full discretion.