Johnson Group Announces Members of the 4th Audit Committee

1. Date of Change: 2026/06/24 (ROC Year 115) 2. Name of Functional Committee: Audit Committee 3. Former Members: Independent Director: Lin, Hung-Kuang Independent Director: Liu, Jui-Lin Independent Director: Liu, Chung-Hsien Independent Director: Chung, Wen-Jen 4. Former Members' Resumes: Independent Director: Lin, Hung-Kuang / Corporate Director at Qiang Mao Co., Ltd. Independent Director: Liu, Jui-Lin / Senior Advisor at Lee and Li, Attorneys-at-Law Independent Director: Liu, Chung-Hsien / Chair Professor at Soochow University Independent Director: Chung, Wen-Jen / Distinguished Life Professor, Department of Mechanical Engineering, Chung Yuan Christian University 5. New Members: Independent Director: Lin, Hung-Kuang Independent Director: Liu, Jui-Lin Independent Director: Liu, Chung-Hsien Independent Director: Chung, Wen-Jen 6. New Members' Resumes: Independent Director: Lin, Hung-Kuang / Corporate Director at Qiang Mao Co., Ltd. Independent Director: Liu, Jui-Lin / Senior Advisor at Lee and Li, Attorneys-at-Law Independent Director: Liu, Chung-Hsien / Chair Professor at Soochow University Independent Director: Chung, Wen-Jen / Distinguished Life Professor, Department of Mechanical Engineering, Chung Yuan Christian University 7. Nature of Change (Please enter 'Resignation', 'Dismissal', 'End of Term', 'Deceased', or 'New Appointment'): End of Term 8. Reason for Change: Re-election following the expiration of term. 9. Previous Term (e.g., xx/xx/xx ~ xx/xx/xx): 2023/06/28 ~ 2026/06/27 (ROC Year 112–115) 10. Effective Date of New Appointment: 2026/06/24 (ROC Year 115) 11. Other Matters to be Disclosed: None.