Cumulative treasury share repurchase reached
public announcement requirement

1.Date the cumulative no.of shares currently repurchased accounted for 2
percent or more of the shares issued by the company, or amounted to NT$300
million or more: 2021/12/30
2.No.of shares currently repurchased (shares):2,933,000
3.Type of shares currently repurchased:Common shares
4.Total monetary amount of shares currently repurchased (NTD):308,399,308
5.Current average repurchase price per share (NTD):105.15
6.Cumulative no.of the company's own shares held during the
repurchase period (shares):55,000,000
7.Cumulative no.of the company's own shares held during the repurchase
period as a percentage of the total no.of the company's issued shares:1.25%
8.Any other matters that need to be specified:None