Century Iron and Steel Board of Directors Resolves to Issue Ninth Domestic Unsecured Convertible Bonds

1. Date of Board of Directors' resolution: 2026/05/12
2. Name [XX Company Xth (secured/unsecured) corporate bonds]:
Century Iron and Steel Structures Co., Ltd. Ninth Domestic Unsecured Convertible Bonds
3. Is a blanket registration statement used for issuing corporate bonds (Yes/No): No
4. Total issuance amount: Total face value of up to NTD 1.5 billion.
5. Face value per bond: NTD 100,000.
6. Issuance price: Issued at 100% of face value.
7. Issuance period: Three years
8. Interest rate: Coupon annual interest rate 0%.
9. Type, name, amount, and agreed terms of collateral: Not applicable.
10. Use of proceeds and implementation plan: To repay the principal and interest compensation for the exercise of put options on the Seventh Domestic Unsecured Convertible Bonds and Eighth Domestic Unsecured Convertible Bonds.
11. Underwriting method: All publicly underwritten through book building.
12. Corporate bond trustee: E.SUN Commercial Bank Co., Ltd.
13. Underwriter or sales agent: Yuanta Securities Co., Ltd.
14. Guarantor for issuance: Not applicable.
15. Agent for principal and interest repayment: Capital Securities Corporation Stock Affairs Agency Department.
16. Certification institution: Not applicable.
17. For those convertible into shares, conversion method: Relevant conversion methods will be handled in accordance with relevant laws and regulations, and will be announced separately after approval by the competent securities authority.
18. Put option conditions: Relevant conversion methods will be handled in accordance with relevant laws and regulations, and will be announced separately after approval by the competent securities authority.
19. Call option conditions: Relevant conversion methods will be handled in accordance with relevant laws and regulations, and will be announced separately after approval by the competent securities authority.
20. For those with conversion, exchange, or subscription rights, the share conversion record date: Relevant conversion methods will be handled in accordance with relevant laws and regulations, and will be announced separately after approval by the competent securities authority.
21. For those with conversion, exchange, or subscription rights, the potential dilution of equity: Relevant conversion methods will be handled in accordance with relevant laws and regulations, and will be announced separately after approval by the competent securities authority.
22. Other matters to be specified: After obtaining approval from the competent authority, the chairman of the company is authorized to determine the actual conversion price record date and related issuance matters.