Nidec Chaocheng: Announcement of Acting Important Operating Executive (CFO) Appointment

1. Type of personnel change (please enter spokesperson, acting spokesperson, important operating executive (e.g., CEO, COO, CMO, CSO, etc.), financial executive, accounting executive, corporate governance executive, information security officer, R&D executive, internal audit executive, or litigation and non-litigation agent): CFO 2. Date of change: 2026/05/08 3. Name, title, and brief resume of former incumbent: Yohei Sumikawa / CFO of the company 4. Name, title, and brief resume of new incumbent: Yoshinori Asano / Vice CFO of the company 5. Type of change (please enter "resignation", "job adjustment", "layoff", "retirement", "death", "new appointment", or "dismissal"): Job adjustment 6. Reason for change: Job adjustment 7. Effective date: 2026/05/08~2026/07/31 8. Other matters that need to be specified: Due to Mr. Yohei Sumikawa acting as CEO, his original position as CFO will be temporarily covered by Vice CFO Mr. Yoshinori Asano. The acting period is from May 8, 2026 to July 31, 2026.