1.Date of the board of directors' resolution：2026/03/12
2.Shareholders meeting date：2026/05/29
3.Shareholders meeting location：Conference Room 4D, 4F., No. 207, Sec. 2, Tiding Blvd.,
Neihu Dist., Taipei City 114064, Taiwan (R.O.C.)
4.Shareholders' meeting will be held by means of (physical shareholders' meeting/ hybrid shareholders' meeting / virtual-only shareholders' meeting)：physical shareholders' meeting
5.Cause for convening the meeting (1)：Report item(s)
(1)：2025 Business Report
(2)：Audit Committee's review report
(3)：2025 Distribution of Employee Compensation and Directors' Remuneration
(4)：2025 Distribution of Cash Dividends
(5)：Implementation Status of Share Repurchase
(6)：Amendments to the Sustainable Development Best Practice Principles
6.Cause for convening the meeting (2)：Ratification Item(s)
(1)：2025 Business Report and Financial Statements
(2)：2025 Earnings Distribution
7.Cause for convening the meeting (3)：Discussion Item(s)
(1)：Amendments to the Procedures for Acquisition and Disposal of Assets
(2)：Release of Directors from Non-Competition Restrictions
8.Extemporary Motions：
9.Book closure starting date：2026/03/31
10.Book closure ending date：2026/05/29
11.Any other matters that need to be specified：None