Kuantian Steel Announces Unaudited Consolidated Financial Results for August 2026

1. Date of Fact: September 23, 2026 (R.O.C. Year 115) 2. Company Name: Kuantian Steel Corporation 3. Relationship with Company (Please enter '本公司' or 'Subsidiary'):本公司 (Parent Company) 4. Cross-shareholding Ratio: Not applicable 5. Reason for Occurrence: Announcement of unaudited consolidated financial results for August 2026 6. Response Measures: None 7. Other Matters to Be Clarified (If the entity involved in the event or resolution is a publicly issued company or above, this major information also qualifies under Article 7, Paragraph 9, Item 9 of the Enforcement Rules of the Securities and Exchange Act as a matter having significant impact on shareholders' rights or securities prices): (1) Accounting Items (Unit: Thousand NTD) August 2026 Jan-Aug 2026 ---------------------------------- ----------- ------------- Consolidated Net Operating Revenue 219,145 1,808,860 Consolidated Operating Income/Loss -30,009 -202,864 Consolidated Pre-tax Income/Loss -30,082 -171,474 Net Income/Loss Attributable to Owners -34,642 -161,401 EPS Attributable to Owners (NTD) -0.08 -0.38

(2) The above unaudited figures have not yet been audited or reviewed by independent accountants. Actual figures will be based on the financial statements officially announced after auditor review, and this is hereby clarified.