Kao Hsing Chang Announces Change of Spokesperson

Release Date: July 21, 2026 Statement Date: July 20, 2026 Statement Time: 14:00:03 Company Code: 2008 Company Name: Kao Hsing Chang Subject: Announcement of Change in Company Spokesperson Applicable Clause: Clause 8 Event Date: July 20, 2026

Details: 1. Type of Personnel Change (Spokesperson, Acting Spokesperson, Key Operations Executive, Financial Officer, Accounting Officer, Corporate Governance Officer, Information Security Officer, R&D Officer, Internal Audit Officer, Litigation/Non-litigation Agent): Spokesperson 2. Effective Date of Change: July 20, 2026 3. Former Spokesperson Name, Title, and Background: Spokesperson Hsu Pang-Feng, Manager of Steel Pipe Division 4. New Spokesperson Name, Title, and Background: Not applicable 5. Nature of Change (Resignation, Job Reassignment, Dismissal, Retirement, Death, New Appointment, Removal): Retirement 6. Reason for Change: Retirement 7. Effective Date: July 20, 2026 8. Additional Notes: (1) Spokesperson Mr. Hsu Pang-Feng retired on July 20, 2026. His duties will be temporarily assumed by Acting Spokesperson Mr. Kuo Chien-Hung. (2) The appointment of the new spokesperson will be announced separately after approval by the company's board of directors.