Following the rule of announcement of attention to trading information set by TWSE, the Company discloses relevant financial information for investors’ reference.

Following the rule of announcement of attention to trading information set by TWSE, the Company discloses relevant financial information for investors’ reference.

1.Date of occurrence of the event:2026/03/04
2.Cause of occurrence:Request by TWSE to announce relevant information.
3.Financial and business information:
Period                                    Month                                         Quarter                                       Year
        ———————                    ———————                       ——————
        The lastest           YoY              The lastest              YoY               Accumulated amount
        month-     movement               quarter-     movement               in the past four
               (%)                                                  (%)                         quarters
        January 2026                                 2025Q4                                2025Q1 ~2025Q4
                  (incl. discontinuing              (incl. discontinuing
                    operation)                                operation)
Item                            (IFRSs- Unaudited)                   (IFRSs- Unaudited)               (IFRSs-Unaudited)
=========== ========== ========= =========== ========== ===================
Revenue                            $ 398            24.38%          $ 1,382               34.96%                $4,408
(NT$ million)
PBT                                     $ 115       11600.00%          $ 569               169.67%                 $ 954
(NT$ million)
PAT                                     $ 115       11600.00%          $ 562              181.00%                 $ 847
(NT$ million)
EPS                                    $ 0.20     10100.00%          $ 0.96              182.35%                 $ 1.45
(NT$)
4.Any matters regarding to ”Taiwan stock exchange corporation procedure for verification and disclosure of
 material information of companies with listed securities” article 4 that need to be specified:None.
5.Any matters regarding to ”Taiwan stock exchange corporation procedure for verification and disclosure of
 material information of companies with listed securities” article 11 that need to be specified:None.
6.Please inquiry the items of financial Information on the website of MOPS, and the paths as follow:
 (1)Current sales revenue/income(loss):
  Summaries>Financial Information applicable after adopting IFRSs
 (2)Historic sales revenue per month:
  Operating Statements>Monthly Sales Revenue>Statement of Sales Revenue(after adopting IFRSs)
 (3)Historic income or loss(audited/reviewed by the CPA):
  Financial Statements>FINANCIAL STATEMENT after adopting IFRSs>Balance Sheet/Income Statement
 (4)Historic income or loss (self-assessed):
  Operating Statements>Self-assessed income or loss:
7.Any other matters that need to be specified:None.