[Zinwell] Disclosure of Significant Financial Information Following Stock Market Notice for Attention

1. Fact occurrence date: 2026/04/27 2. Reason for occurrence: Handled according to instructions from the Taiwan Stock Exchange. 3. Financial and business information: - March 115 (2026): Revenue 413M TWD (+200% YoY), Net Profit 72M TWD (+256% YoY), EPS 0.23 TWD. - Q4 114 (2025): Revenue 934M TWD (+147% YoY), Net Profit 116M TWD (+149% YoY), EPS 0.37 TWD. Explanation: Due to client product validation passing, the company has officially entered the mass production and stocking phase, driving a significant increase in shipments and leading to a substantial revenue growth compared to the same month last year. 4-7. No other significant events or matters to disclose.