[Silergy*-KY] Announcement of relevant financial and business information as the company's securities reached the attention trading criteria

1. Date of occurrence: 2026/04/22 2. Cause of occurrence: Due to the company's securities reaching the attention trading criteria on the centralized market, major financial and business information is announced to help investors distinguish and understand. 3. Financial and business info: Period | Last Month (Mar 2026) | YoY% | Last Quarter (Q4 2025) | YoY% | Last 4 Quarters (Q1-Q4 2025) Subject | Self-assessed | Self-assessed | Audited | Audited | Audited ---------------------------------------------------------------------------- Operating Rev (NT$M) | 1,777 | +12% | 5,392 | +6% | 18,813 Pre-tax Profit (NT$M) | 256 | +93% | 866 | -7% | 2,677 Net Profit to Parent (NT$M) | 243 | +97% | 809 | -10% | 2,478 Basic EPS (NT$) | 0.63 | +97% | 2.08 | -10% | 6.40 4. Presence of events under Article 4 of the TWSE procedures: None 5. Presence of events under Article 11 of the TWSE procedures: None 6. For complete financial info, check the MOPS. 7. Other matters to specify: None