[Nidec Elesy Taiwan] Announcement: Company Chairman and CEO's Leave of Absence and Appointment of Acting Officer

1. Date of Board of Directors' resolution or change: 115/05/08 2. Personnel category (please enter Chairman or General Manager): Chairman 3. Former incumbent's name: Yoshihiro Miyoshi, Representative of Nidec Corporation 4. Brief biography of former incumbent: Chairman of Nidec Elesy Taiwan (Stock) Co., Ltd. 5. New incumbent's name: Yohei Sumikawa, Representative of Nidec Corporation 6. Brief biography of new incumbent: Chief Financial Officer of Nidec Elesy Taiwan (Stock) Co., Ltd. 7. Details of change (please enter "Resignation", "Dismissal", "Term Expiration", "Job Adjustment", "Redundancy", "Retirement", "Decease", or "New Appointment"): Home rest due to health reasons 8. Reason for change: As per Article 208 of the Company Act, the Board of Directors has elected a representative Chairman and CEO. 9. Effective date of new appointment: 115/05/08~115/07/31 10. Other matters to be disclosed (if the subject of the event or resolution is a public offering company or above, this material information also meets the criteria of Article 7, Paragraph 6 of the Securities Transaction Act Enforcement Rules, which significantly affects shareholder rights or stock prices): The company has received a letter of authorization from Chairman Mr. Yoshihiro Miyoshi. Due to health reasons requiring home rest, Mr. Yohei Sumikawa, Director and Chief Financial Officer, is authorized to act as Chairman and CEO from May 8, 2026, to July 31, 2026, and to exercise related authorities.