[Chia Her] Announcement of significant financial and business information due to the company's securities reaching the standard for public disclosure of attention-requiring trading information in the centralized securities exchange market, to facilitate investor understanding.

1. Date of occurrence of the event: 2026/04/09. 2. Cause of occurrence: Handled as instructed by Taiwan Stock Exchange Corporation. 3. Financial and business information: Recent month (February 2026) vs. last year same period change %; Recent quarter (Q4 2025) vs. last year same period change %; Last four quarters cumulative (Jan-Dec 2025). Operating Revenue (NT$ millions): 284 (Feb 2026), 22.20% (YoY change); 860 (Q4 2025), 28.7% (YoY change); 2,665 (Cumulative 2025). Pre-tax Net Income (NT$ millions): -8 (Feb 2026), 52.44% (YoY change); 224 (Q4 2025), 64458% (YoY change); 235 (Cumulative 2025). After-tax Net Income (NT$ millions): -8 (Feb 2026), 52.44% (YoY change); 206 (Q4 2025), 41126.6% (YoY change); 182 (Cumulative 2025). EPS (NT$): -0.15 (Feb 2026), 66.67% (YoY change); 0.40 (Q4 2025), 766.7% (YoY change); 0.12 (Cumulative 2025). 4. Is there any material information as listed in Article 4 of the "Regulations Governing the Verification and Public Disclosure of Material Information of Public Companies with Listed Securities" by the Taiwan Stock Exchange Corporation (if "Yes", please explain): No. 5. Is there any material information explanation press conference as listed in Article 11 of the "Regulations Governing the Verification and Public Disclosure of Material Information of Public Companies with Listed Securities" by the Taiwan Stock Exchange Corporation: 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. (3) Historical profit/loss (audited/reviewed by accountants): Financial Statements > After IFRSs > Consolidated/Individual Statements > Comprehensive Income Statement. (4) Historical profit/loss (voluntarily announced self-reported figures): Operational Overview > Self-reported Profit/Loss Announcement. 7. Other matters to be specified: None.