[TaiSol] Announcement of the 2nd Sustainability Committee Members

1. Date of change: June 17, 2026 2. Committee name: Sustainability Committee 3. Predecessor name: N/A 4. Predecessor resume: N/A 5. New member names: (1) Peng Peng-huang (2) Gan Yi-qun (3) Chen Li-mei (4) Liu Ke-ping 6. New member resumes: (1) Peng Peng-huang / Chairman of the Board (2) Gan Yi-qun / Corporate Representative Director (3) Chen Li-mei / Independent Director (4) Liu Ke-ping / COO and Acting General Manager 7. Circumstances: Newly appointed 8. Reason for change: Newly appointed 9. Original term: N/A 10. Effective date: June 17, 2026 11. Other notes: None