2617 Taiwan Navigation: Notice of Change in Corporate Director Representative

Public Release Date: May 21, 2026 Announcement Date: May 20, 2026 Announcement Time: 18:31:00 Company Code: 2617 Company Name: Taiwan Navigation (TNC) Subject: Change in Corporate Director Representative Compliance Clause: Section 6 Fact Occurrence Date: May 20, 2026 Explanation: 1. Date of change: May 20, 2026 2. Name of Legal Entity: Ministry of Transportation 3. Name of predecessor: Liu Wen-ching 4. Previous position/background: Chairman of Taiwan Navigation Co., Ltd. 5. Name of successor: Wei Chien-hung 6. New position/background: Director of China Airlines and Professor Emeritus at National Cheng Kung University 7. Reason for change: Ministry of Transportation (Corporate Director) reshuffled its representative 8. Original term: June 11, 2024 - June 10, 2027 9. Effective date: June 12, 2026 10. Other notes: Processed in accordance with the letter received from the Ministry of Transportation.