Xing-Qing Electronics Announces June 2025 Consolidated Revenue

Release Date: July 9, 2026 Statement Date: July 8, 2026 Statement Time: 14:15:47 Company Code: 2428 Company Name: Xing-Qing Electronics Industrial Co., Ltd. Subject: Announcement of Unaudited Consolidated Operating Revenue for June 2025 Applicable Clause: Item 51 Factual Date: July 8, 2026

Details: 1. Factual Date: July 8, 2026 2. Company Name: Xing-Qing Electronics Industrial Co., Ltd. 3. Relationship with Company: Parent Company 4. Cross-shareholding Ratio: Not applicable 5. Reason for Announcement: To disclose the unaudited consolidated operating revenue for June 2025 (net of intercompany transactions). 6. Response Measures: The unaudited consolidated operating revenue for June 2025 amounted to NT$973,436 thousand, an increase of 46.62% compared to NT$663,913 thousand in the same month of the previous year. The cumulative unaudited consolidated operating revenue from January to June 2025 reached NT$4,757,503 thousand, up 20.42% compared to NT$3,950,877 thousand in the same period of the prior year. 7. Other Matters to be Clarified: The reported figures are unaudited internal estimates and have not yet been certified by auditors.