Kao Hsing Chang Steel Announces Board Resolutions on Financial Reports, Borrowing, and Governance Updates

Release Date: August 12, 2026 Statement Date: August 11, 2026 Statement Time: 15:23:57 Company Code: 2008 Company Name: Kao Hsing Chang Steel Co., Ltd. Subject: Announcement of Board Resolutions Applicable Clause: Clause 51 Event Date: August 11, 2026

1. Event Date: August 11, 2026 2. Company Name: Kao Hsing Chang Steel Co., Ltd. 3. Relationship with Company (Please enter '本公司' or 'Subsidiary'):本公司 (Our Company) 4. Cross-shareholding Ratio: Not applicable 5. Reason for Event: The 22nd Board Meeting No. 12 resolved the following matters:

(1) Approval of the financial report for the second quarter of 2026 (2) Proposal to borrow funds from financial institutions in 2026 (3) Participation in the second cash capital increase of Ta-Kang Jet Co., Ltd. (4) Revision of the company's 'Corporate Governance Practice Guidelines' (5) Amendment to the 'Board, Chairman, and General Manager Approval Authority Table' (6) Removal of the per-share price ceiling for acquiring individual securities exceeding NT$100 million (7) Publication of the 2025 Sustainability Report (8) Appointment of the Steel Pipe Division Manager as Spokesperson

6. Response Measures: Material information to be disclosed 7. Other Matters to be Stated: None