The Company has been required by TPEx to announce relevant information according to the regulations

1.Date of occurrence of the event:2023/02/21
2.Cause of occurrence:Request by TPEx
3.Financial and business information:
                                               unit:NT$ million
(1)Monthly
                                   2023/1         2022/1         YOY %
                                ----------     -----------     --------
Operating revenue                  1,367            936           46%
Profit before income tax              81            114          -29%
Net profit attributable
to owners of the parent               58             86          -33%
Basic earnings per share(NT$)       1.20           1.76          -32%

(2)Accumulated over the last 2 months
                                  2022/12/1      2021/12/1
                                to 2023/1/31   to 2022/1/31      YOY %
                               -------------   -------------   --------
Operating revenue                  3,222          1,889           71%
Profit before income tax             197            177           11%
Net profit attributable
to owners of the parent              147            136            8%
Basic earnings per share(NT$)       3.01           2.78            8%

(3)Quarterly
                                  Q3,2022        Q3,2021         YOY %
                                ----------     -----------     --------
Operating revenue                  4,592          2,521           82%
Profit before income tax             446            155          188%
Net profit attributable
to owners of the parent              311            121          157%
Basic earnings per share(NT$)       6.33           2.47          156%

(4)Accumulated over the last 4 quarters
                              Q4 2021 to Q3 2022
                              ------------------
Operating revenue                 13,409
Profit before income tax           1,254
Net profit attributable
to owners of the parent              896
Basic earnings per share(NT$)      18.26
4.Any material information that needs to be specified according to Article 4 of Taipei Exchange Procedures for 
  Verification and Disclosure of Material Information of Companies with TPEx Listed Securities:None
5.Any material information in a press conference listed under Article 11 of Taipei Exchange Procedures forerification 
  and Disclosure of Material Information of Companies with TPEx Listed Securities:None
6.Any other matters that need to be specified:
(1)The consolidated financial information for December 2022 and January 2023 and its YoY comparison information are 
   prepared by the Company adoptingthe IFRS, and have not been audited (reviewed) by CPA. It's for investors reference 
   only.
(2)The information for the third quarter 2022, refers to quarterly amounts, and has been reviewed by CPA.
(3)The last 4 quarters consolidated information accumulated from Q4 2021 to Q3 2022 is prepared by the Company 
   adopting the IFRS and has been reviewed by CPA.