To announce the Ex-dividend record date

Subject: To announce the Ex-dividend record date

Date of events:2017/06/21

Contents:

1.Date of the resolution by the board of directors or shareholders' meeting or decision by the Company:2017/06/21

2.Type of ex-rights or ex-dividend (please enter: "Ex-rights","Ex-dividend", or "Ex-rights and dividend"): Ex-dividend

3.Type and monetary amount of dividend distribution:

Cash dividend of NT$1,538,378,914 to the shareholders and NT$0.5 per share.

4.Ex-rights (ex-dividend) trading date:2017/07/13

5.Last date before book closure:2017/07/14

6.Book closure starting date:2017/07/16

7.Book closure ending date:2017/07/20

8.Ex-rights (ex-dividend) record date:2017/07/20

9.Any other matters that need to be specified: None