Announcing the subsidiary, ASE Electronics Inc.,
expects to terminate the K17 plant co-build contract.

1.Date of occurrence of the event:2022/05/27
2.Date of the original announcement and reporting:2021/08/27
3.Summary of the content originally announced and reported:
The subsidiary, ASE Electronics Inc., expects to acquire K17 plant by
co-built distribution method with Hung Ching Development & Construction
Co., Ltd.

4.Reason for change and its main content:
The subsidiary, ASE Electronics Inc. ("ASEE") has not yet commenced the
co-build project with Hung Ching Development & Construction Co., Ltd.
for K17 plant. Both companies agreed to terminate the co-build project,
and the board of directors of ASEE resolved to terminate the co-build
contract on 2022/5/27.

5.Effect on the Company's finance and business after the change:
No significant impact

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