[Chung Hwa Chemical] Announcement on the approval of the withdrawal of the second domestic unsecured convertible bond issuance

1. Date of occurrence: 115/05/26. 2. Date of original announcement: 114/12/10. 3. Summary of original announcement: Board resolution to issue the second domestic unsecured convertible bonds. 4. Reason for change and main content: (1) The company had applied to issue up to 6,000 units of convertible bonds with a face value of NT$100,000 each, totaling NT$600,000,000. This was approved by the FSC on Jan 14, 115, with the offering period extended to July 13, 115. (2) Due to recent market environment and stock price fluctuations, the company reassessed and adjusted its fundraising plan. To protect shareholder interests and align with capital planning, the company applied to withdraw the issuance, which was approved by the FSC on May 26, 115. 5. Impact on financial and business operations: No material impact. The original intended use of funds (repayment of bank loans) will be covered by bank loans or internal funds. 6. Other matters: None.