[EMC] Public Announcement of Financial Information Following Disclosure Thresholds

1. Occurrence date: 2026/06/17 (115/06/17 in Taiwan era) 2. Reason for occurrence: Handled in accordance with the notice from Taiwan Stock Exchange. 3. Financial and operational information: Consolidated self-reported figures: Operating revenue (million TWD): 15,619 (114.6% increase YoY), 33,067 (52.5% increase YoY in Q1), 105,648 (cumulative last 4 quarters) Pre-tax net profit (million TWD): 4,211 (201.1% increase YoY), 7,194 (54.1% increase YoY in Q1), 21,403 Net profit attributable to parent company owners (million TWD): 3,249 (199.3% increase YoY), 5,340 (53.9% increase YoY in Q1), 16,520 Earnings per share (TWD): 9.07 (189.8% increase YoY), 14.90 (48.9% increase YoY in Q1), 46.56 4. Significant matters under the verification procedure: None. 5. Journalist conference required: None. 6. For complete financial information, please visit the Market Observation Post System.