The Company has been required by TWSE to announce the financial data according to the regulations

1.Date of occurrence of the event:2026/04/13

2.Cause of occurrence:The company has been required by TWSE to announce the

financial data according to the regulations of ”Taiwan Stock Exchange

Corporation Directions for Announcement or Notice of Attention to Trading

Information and Dispositions”

3.Financial and business information:

EMC’s consolidated financial data as below:

Unit：NT$ million

                 Recent Month YoY(%)             Recent Q YoY(%)             Recent 4Q

Period                 202603                                   2025Q4                    2025Q1-2025Q4

               ====================== ==================== ==================

                    Consolidated                         Consolidated                     Consolidated

                    Self-Assessed                         Reviewed                        Reviewed/Audited

=============================================================================

Net Revenues        12,011    56.63             24,927     34.30                94,261

Profit before Tax      2,657    61.00               4,620     37.10                18,876

Profit attributable     1,824    42.00               3,736     41.30                14,645

to Owners of the

Company

EPS(NT$)                5.08    36.90                10.44     36.10                  41.67

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