[Richen-KY] Disclosure of financial and business information due to reaching reporting threshold

1. Date of occurrence: 06/03/115 2. Reason: Compliance with Taiwan Stock Exchange notifications. 3. Financial and business information (in millions):

Period: April 115 (Monthly) / Q1 115 (Quarterly) / Trailing 4 Quarters (Q2 114 to Q1 115)

- Operating Revenue: 173 / 615 / 2217 - Pre-tax Net Profit: 16 / 91 / 103 - Net Profit attributable to owners of the parent: 16 / 67 / 67 - Net Profit: 15 / 66 / 68 - EPS (NT$): 0.38 / 1.70 / 1.74

4. Significant events under Article 4: None. 5. Significant events under Article 11: None. 6. For complete financial information, visit the Market Observation Post System (MOPS). 7. Note: Financial data for April 115 is unaudited self-assessed consolidated figures.