Woei Yih Announces Appointment of Second Sustainability Committee Members

1. Effective Date of Change: 115/08/12 2. Name of Functional Committee: Sustainability Committee 3. Former Members' Names: Chen Hung-Wen Lin Lai-Ti Tseng Hsiao-Chien 4. Former Members' Resumes: Chen Hung-Wen (Independent Director, Woei Yih Chemical) Lin Lai-Ti (Independent Director, Woei Yih Chemical) Tseng Hsiao-Chien (Legal Assistant Manager, Woei Yih Chemical) 5. New Members' Names: Tsai Wei-Jen Hsieh Yu Tseng Hsiao-Chien 6. New Members' Resumes: Tsai Wei-Jen (Chairman, Canhui Capital Co., Ltd.) Hsieh Yu (Principal Attorney, United Virtue Law Firm) Tseng Hsiao-Chien (Legal Assistant Manager, Woei Yih Chemical) 7. Nature of Change (Please enter 'resignation', 'dismissal', 'end of term', 'death', or 'new appointment'): End of Term 8. Reason for Change: End of term, reappointment 9. Original Term (e.g., xx/xx/xx ~ xx/xx/xx): 113/11/08 ~ 115/6/30 10. Effective Date of New Appointment: 115/8/12 11. Other Matters to Note: None Keywords: Material Information