【New Release】Due to Our Securities Meeting the Threshold for Public Attention in the Centralized Market, We Are Disclosing Material Financial and Business Information for Investor Clarity

1. Date of Event: July 24, 115 (2026)

2. Reason for Disclosure: In accordance with notification from the Taiwan Stock Exchange Corporation.

3. Financial and Business Information:

Last Month YoY Change(%) Last Quarter YoY Change(%) Last Four Quarters Cumulative Item May-115 Q1-115 Q2-114 to Q1-115 (Preliminary) (Reviewed) (Reviewed/Audited) ------------------------------------------------------------------------------------------- Revenue 320.79 46.51% 959.31 20.87% 3545.79 (NT$ million)

Pre-tax Net 71.55 1035.71% 243.60 23.89% 714.33 Profit (NT$ million)

Net Income 57.24 1035.71% 195.09 24.03% 585.74 (NT$ million)

EPS 0.31 933.33% 1.06 24.71% 3.18 (NT$)

4. Whether there are material events under Article 4 of the 'Procedures for Verification and Disclosure of Material Information by Listed Companies' of the Taiwan Stock Exchange Corporation: No.

5. Whether there is a press conference required under Article 11 of the same procedures: No.

6. Complete financial information is available on the Public Information Observation Station. Access paths:

(1) Recent revenue and profit: Basic Information > Summary (2) Historical monthly revenue: Operations Overview > Monthly Revenue > Monthly Revenue Information under IFRS (3) Historical profit/loss (audited/reviewed): Financial Statements > Under IFRS > Consolidated/Individual > Comprehensive Income Statement (4) Historical profit/loss (voluntary preliminary announcements): Operations Overview > Preliminary Earnings Announcements

7. Other Matters to be Disclosed: None.