Announcement on resignation of independent director

1.Date of occurrence of the change: Jul 31, 2020
2.Elected or changed position (Please enter institutional director, institutional supervisor, independent director, natural-person director or natural-person supervisor): Independent director
3.Title, name and resume of the previous position holder:
Tony Chang
Honorary Research Fellow of National Institutes of Health
Distinguished Consultant of Feng Chia University
Honorary professor of Institute of Microbiology and Immunology, National Yang-Ming University
4.Title, name and resume of the new position holder: None
5.Circumstances of change (Please enter “resignation”, “dismissal”, “term expired”, “death” or “new appointment”): Resignation
6.Reason for the change: Personal reason
7.Number of shares held by the new position holder when elected: 0
8.Original term (from __ to __): Jun 27, 2019 to Jun 26, 2022
9.Effective date of new appointment: Not applicable
10.Turnover rate of directors of the same term: 2 out of 7
11.Turnover rate of independent directors of the same term: 1 out of 3
12.Turnover rate of supervisors of the same term: Not applicable
13.Change in one-third or more of directors (Please enter “Yes” or “No”): No
14.Any other matters that need to be specified: None