1.Date of the board of directors resolution:2023/03/14

2.General shareholders' meeting date:2023/05/31

3.General shareholders' meeting location: 5F., No. 285, Sec. 4, Zhongxiao E. Rd., Da’an Dist., Taipei City

4.Shareholders meeting will be held by means of (physical shareholders meeting/ visual communication assisted shareholders meeting / visual communication shareholders meeting): physical shareholders meeting

5.Cause for convening the meeting I.Reported matters:

(1)To report the business of 2022

(2)Audit Committee's review report

(3)To report 2022 earnings distribution

(4)To report 2022 Employees', Directors' and Supervisors' compensation

(5)To report 2022 Director and Supervisor remuneration

(6)Amendment to the ” Regulations of Employee Stock Warrant Issuance and Share Subscriptions for 2022 ”

6.Cause for convening the meeting II.Acknowledged matters:

(1)To accept 2022 Business Report and Financial Statements

(2)To approve the proposal for Distribution of 2022 Profits

7.Cause for convening the meeting III.Matters for Discussion:none

8.Cause for convening the meeting IV.Election matters:none

9.Cause for convening the meeting V.Other Proposals:none

10.Cause for convening the meeting VI.Extemporary Motions:none

11.Book closure starting date:2023/04/02

12.Book closure ending date:2023/05/31

13.Any other matters that need to be specified:The closed period for preferred share A are from 2023/04/02 to 2023/05/31.