[SunKwang] 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: Processed according to the notice from TWSE regarding material information. 3. Financial and business info: Item | Last Month (Mar 2026) | YoY% | Last Quarter (Q4 2025) | YoY% | Last 4 Quarters (Q1-Q4 2025) Period | Self-assessed | | CPA Reviewed | | Audited/Reviewed ------------------------------------------------------------------------ Operating Rev (NT$M) | 139 | -22.78% | 401 | -18.16% | 1,775 Pre-tax Loss (NT$M) | -16 | -900% | -144 | -220% | -354 Net Loss to Parent (NT$M)| -16 | -900% | -1,322 | -3,124% | -340 EPS (NT$) | -0.08 | -700% | -0.72 | -243% | -1.84 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: The financial info for March 2026 is self-assessed and has not been audited/reviewed by CPAs.