【Walsin】Announcement of New Members of the 5th Audit Committee

1. Date of change: 2026/05/28. 2. Name of functional committee: Audit Committee. 3. Names of outgoing members: (1) Liu Hsueh-yu, (2) Hsiao Kuo-ching, (3) Hsieh Hsiu-mei, (4) Tang Jui-po. 4. Profiles of outgoing members: (1) GM of NTU Innovation Incubation Center, (2) Independent Director of U-Right Medical, (3) CPA at Kao-Wei Joint CPA Firm, (4) Independent Director of Weblink International. 5. Names of new members: (1) Hsieh Hsiu-mei, (2) Tang Jui-po, (3) Lin Chao-hsien, (4) Chen Yi-chun. 6. Profiles of new members: (1) CPA at Kao-Wei Joint CPA Firm, (2) Independent Director of Weblink International, (3) Independent Director of China Development Capital, (4) Independent Director of Hwacom Systems. 7. Reason for change: Term expiration. 8. Reason for change: Re-election of independent directors at the AGM. 9. Original term: 2023/06/28 ~ 2026/06/27. 10. Effective date of new appointment: 2026/05/28. 11. Other matters: None.