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

1.Date of occurrence of the event:2021/04/21
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
           March 2021              2020Q4                2020Q1 ~2020Q4
                               (incl. discontinuing    (incl. discontinuing
                                     operation)             operation)
 Item        (IFRSs- Unaudited)   (IFRSs- Audited)       (IFRSs-Audited)
=========== =========== ========  =========== ========== =================
 Revenue        $ 285   (20.39%)    $ 910    (  41.10%)    $4,182
(NT$ million)
 PBT            $ 248    73.43%    ($ 139)   ( 130.62%)    $  312
(NT$ million)
 PAT            $ 248    73.43%    ($ 156)   ( 139.59%)    $  255
(NT$ million)
 EPS            $ 0.41   95.24%    ($ 0.36)  ( 160.00%)    $ 0.24
(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.