To announce the Ex-dividend record date

Subject: To announce the Ex-dividend record date of Acer Inc.

Date of events:2018/06/15

Contents:

1.Date of the resolution by the board of directors or shareholders' meeting or decision by the Company:2018/06/15

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: The cash dividend of NT$2,153,551,980 to the shareholders and NT$0.7 per share.

4.Ex-rights (ex-dividend) trading date:2018/07/05

5.Last date before book closure:2018/07/06

6.Book closure starting date:2018/07/08

7.Book closure ending date:2018/07/12

8.Ex-rights (ex-dividend) record date:2018/07/12

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