QJ Semiconductor Announces Board Resolution to Appoint New Compensation Committee Members

1. Date of Change: 2026/06/18 2. Name of Functional Committee: Compensation Committee 3. Former Members: (1) Chen Yi-Cheng (2) Fan Liang-Fu (3) Chu Chun-Hsiung (4) Tai I-Chih 4. Former Members' Resumes: (1) Chen Yi-Cheng / Director and Deputy General Manager, Alpha & Omega Semiconductor (AOS) (2) Fan Liang-Fu / Deputy General Manager, Hanmin Technology Co., Ltd. (3) Chu Chun-Hsiung / Principal Attorney, Universal International Law Firm (4) Tai I-Chih / General Manager, New Bridge United Co., Ltd. 5. New Members: (1) Chen Yi-Cheng (2) Chu Chun-Hsiung (3) Chang Wen-Hsiang (4) Yen Shu-Yang 6. New Members' Resumes: (1) Chen Yi-Cheng / Director, Deputy General Manager, and Chief Financial Officer, Alpha & Omega Semiconductor (AOS) (2) Chu Chun-Hsiung / Principal Attorney, Universal International Law Firm (3) Chang Wen-Hsiang / Independent Director, Yih Tai Industrial Co., Ltd. (4) Yen Shu-Yang / Principal Attorney, Asia Pacific Intellectual Property Law Firm 7. Nature of Change (Please enter 'Resignation', 'Dismissal', 'End of Term', 'Deceased', or 'New Appointment'): End of Term 8. Reason for Change: Reappointment in accordance with the expiration of directors' terms. 9. Previous Term (e.g., xx/xx/xx ~ xx/xx/xx): 2023/06/14 ~ 2026/06/13 10. Effective Date of New Appointment: 2026/06/18 11. Other Matters to be Disclosed: None.