(Revision)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:2021/06/23
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
              May 2021              2021Q1                2020Q2 ~2021Q1
                                 (incl. discontinuing    (incl. discontinuing
                                       operation)             operation)
 Item         (IFRSs- Unaudited)   (IFRSs- Reviewed)     (IFRSs-Reviewed)
                 (Revised)                                     (Revised)
=========== =========== ========  =========== ========== ===================
 Revenue        $ 313   (20.25%)    $ 789    (  33.75%)    $3,780
(NT$ million)
 PBT            $ 146     4.46%     $  94       64.81%     $  356
(NT$ million)
 PAT            $ 146     4.46%     $  94       86.15%     $  296
(NT$ million)
 EPS            $ 0.25    4.46%     $ 0.11      57.14%     $ 0.28
(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.