【New】Due to the company's securities reaching the cautionary trading information standard in the centralized trading market, relevant material financial and business information is disclosed to facilitate investor understanding.

1. Date of occurrence of the event: 2026/04/07 2. Cause of occurrence: Handled in accordance with the notification from Taiwan Stock Exchange Corporation. 3. Financial and business information: Recent Month Compared to last year Recent Quarter Compared to last year Cumulative last four quarters Subject Feb 2026 Increase/Decrease (%) Q4 2025 Increase/Decrease % Q1 2025 to Q4 2025 (Audited) (Self-reported) --------------------------------------------------------------------------- Operating Revenue 307.74 15.89% 959.59 32.82% 3,380.14 (Millions) Pre-tax Net Profit 73.63 5.88% 245.95 49.96% 667.35 (Millions) Net Profit for the Period 58.90 5.88% 193.88 45.93% 547.94 (Millions) EPS 0.32 6.67% 1.06 47.22% 2.97 (NTD) 4. Whether there are material information events listed in Article 4 of the "Taiwan Stock Exchange Corporation Procedures for Verification and Disclosure of Material Information of Listed Securities" (if "yes", please explain): No. 5. Whether there are material information explanation press conference events listed in Article 11 of the "Taiwan Stock Exchange Corporation Procedures for Verification and Disclosure of Material Information of Listed Securities": No. 6. For complete financial information, please refer to the Market Observation Post System, path as follows: (1) Recent operating revenue and profit/loss information: Basic Information > Highlights (2) Historical monthly operating revenue: Operational Overview > Monthly Revenue > Monthly Operating Revenue Information after IFRSs adoption (3) Historical profit/loss (audited/reviewed by accountants): Financial Statements > After IFRSs adoption > Consolidated/Individual Statements > Comprehensive Income Statement (4) Historical profit/loss (voluntary announcement of self-reported figures): Operational Overview > Self-reported Profit/Loss Announcement: 7. Other matters that need to be specified: None.