Century Steel Announces Application to Extend Offering Period of 9th Domestic Unsecured Convertible Bonds by Three Months

1. Date of Event: 115/08/12 2. Company Name: Century Steel Structure Co., Ltd. 3. Relationship with Company (please enter '本公司' or 'Subsidiary'):本公司 4. Cross-shareholding Ratio: Not applicable 5. Reason for Occurrence: (1) The issuance of the 9th domestic unsecured convertible bonds by the Company, with a face value of NT$100,000 per unit and a total issuance amount of NT$1,500,000,000, has been declared effective by the Financial Supervisory Commission under FSC-Sec-Fund No. 11503456751 dated June 15, 115. (2) Considering fluctuations in the domestic capital market and seeking a more favorable issuance timing, as well as taking into account the overall corporate interests and shareholders’ rights, the Company intends to apply to the Financial Supervisory Commission for a three-month extension of the offering period for the 9th domestic unsecured convertible bonds to ensure the successful completion of this fundraising. 6. Countermeasures: None. 7. Other Matters to be Disclosed (if the subject entity is a publicly issued company or above, this significant information also qualifies under Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act as a matter having significant impact on shareholders’ rights or securities prices): None.