Shareholding Structure

Major Shareholders

                                                                             As of 03/27/2021 (last record date);unit:share;%

Major Shareholders Total Shares Owned(share) Ownership Percentage(%)
Microbio Co.,Ltd. 78,639,827 20.65
Richard M. Tsai 28,840,763 7.57
Diamond Bio Fund Inc. 24,882,622 6.53
Fubon Life Insurance Co., Ltd. 15,391,892 4.04
National Taiwan University 10,951,370 2.88
Daniel M. Tsai 5,872,990 1.54
VANGUARD EMERGING MARKETS
STOCK INDEX FUND
3,718,000 0.98
JPMorgan Chase Bank N.A. 3,518,000 0.92
Chen Shou Jen 3,000,000 0.79
ISHARES MSCI TAIWAN ETF 2,748,000 0.72