2458 ELAN Announces Change in Acting Spokesperson

Announcement Date: May 20, 2025 (115/05/20) Release Date: May 19, 2025 (115/05/19) Release Time: 17:25:21 Company Code: 2458 Company Name: ELAN Subject: Announcement of change in company acting spokesperson Applicable Clause: Article 8 Date of event: May 21, 2025 (115/05/21) Explanation: 1. Category of personnel change (e.g., spokesperson, acting spokesperson, key operational executive, etc.): Acting Spokesperson 2. Date of change: May 21, 2025 3. Name, rank, and resume of the outgoing person: Xie, Zhi-Hua, Project Director, Investment Relations Department 4. Name, rank, and resume of the new person: Bai, Yu-Jie, Project Deputy Manager, General Manager's Office 5. Nature of change (e.g., resignation, job adjustment, etc.): Resignation 6. Reason for change: Resignation 7. Effective date: May 21, 2025 8. Other matters to be noted: None