Chiachun Cement Announces Cash Dividend Record Date and Adjusted Payout Rate for 2025 Fiscal Year

1. Date of Board, Shareholders' Meeting Resolution or Company Decision: July 6, 2026 2. Type of Ex-Rights/Ex-Dividend (please enter 'Ex-Rights', 'Ex-Dividend', or 'Ex-Rights and Ex-Dividend'): Ex-Dividend 3. Ordinary Share Cash Dividend Type and Amount: Original Cash Dividend and Amount: NT$433,770,402, with a cash dividend of NT$0.55 per share. Adjusted Cash Dividend and Amount: NT$433,770,402, with a cash dividend of NT$0.52179732 per share. 4. Ex-Dividend Trading Date: July 23, 2026 5. Last Transfer Date: July 26, 2026 6. Suspension of Transfer Start Date: July 27, 2026 7. Suspension of Transfer End Date: July 31, 2026 8. Ex-Dividend Record Date: July 31, 2026 9. Final Date for Bond Conversion Application: Not applicable 10. Start Date of Suspension of Bond Conversion: Not applicable 11. End Date of Suspension of Bond Conversion: Not applicable 12. Ordinary Share Cash Dividend Payment Date: August 21, 2026 13. Is Part or All of the Cash Dividend 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: The company's annual shareholders' meeting on May 22, 2026, approved the profit distribution for the 2025 fiscal year, declaring a cash dividend of NT$0.55 per share and authorizing the Chairman to adjust the payout ratio and determine the record date and payment schedule. However, due to the company's public announcement on June 26, 2026, regarding the acquisition of minority shares of Chia Hsin International Co., Ltd. through a stock exchange listing, the number of outstanding shares eligible for dividend distribution has changed, resulting in an adjustment of the cash dividend to NT$0.52179732 per share.