ASO Announces New Chief Operating Officer

Release Date: August 8, 2026 Statement Date: August 7, 2026 Statement Time: 18:47:35 Company Code: 8443 Company Name: ASO

Subject: Announcement of New Chief Operating Officer Applicable Clause: Clause 8 Factual Date: August 7, 2026

Details: 1. Type of Personnel Change (Please select from Spokesperson, Acting Spokesperson, Key Operating Executive (e.g., CEO, COO, CMO, CSO), Financial Officer, Accounting Officer, Corporate Governance Officer, Information Security Officer, R&D Officer, Internal Audit Officer, Litigation/Non-litigation Agent): Chief Operating Officer 2. Date of Change: August 7, 2026 3. Former Executive’s Name, Title, and Resume: Not Applicable 4. New Executive’s Name, Title, and Resume: Liu Rui-Xiang / Deputy Director / Head of HR and Administration Department at ASO 5. Nature of Change (Please enter 'Resignation', 'Job Adjustment', 'Layoff', 'Retirement', 'Death', 'New Appointment', or 'Dismissal'): New Appointment 6. Reason for Change: New Appointment 7. Effective Date: August 7, 2026 8. Additional Notes: The position of Chief Operating Officer is newly established within the company; therefore, there is no predecessor.