[Zhongxian] Disclosure of Financial and Business Information due to Unusual Trading Activity

1. Date of Occurrence: 2026/06/04 2. Reason for Occurrence: Handling of significant information in accordance with TWSE notification. 3. Financial and Business Information: April 115 (Unaudited) Operating Revenue: 4,445 million (4.23% YoY increase) Pre-tax Profit: 1,172 million (106.34% YoY increase) Net Profit attributable to parent company owners: 135 million (1,787.5% YoY increase) Earnings Per Share (EPS): 0.1 (1,795% YoY increase)

4. Matters listed in Article 4 of the 'TWSE Procedures for Verification and Disclosure of Significant Information': None. 5. Matters listed in Article 11 regarding press conferences: None. 6. Complete financial information can be viewed on the Market Observation Post System (MOPS). 7. Other matters: None.