[Weichuan] Announcement of Combined Monthly Revenue for July 2026

1. Date of Fact: 2026/08/10 2. Company Name: Weichuan Technology Co., Ltd. 3. Relationship with Company (Please enter本公司or Subsidiary):本公司 4. Cross-shareholding Ratio: Not applicable. 5. Reason for Occurrence: One, the company's combined revenue for July 2026 was NT$1,123,201 thousand, a 2% decrease compared to the same period last year. Two, the cumulative combined revenue through July reached NT$6,669,822 thousand, a 12% increase compared to the same period last year. Three, the above information is the company's preliminary internal calculation and has not been audited or reviewed by an accountant. Four, detailed data has been uploaded to the Public Information Observation System at the following URL: http://mops.twse.com.tw. 6. Response Measures: None. 7. Other Matters to be Disclosed (If the subject of the event or resolution is a publicly issued company or above, this significant information also meets the criteria under Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act regarding matters significantly affecting shareholder rights or securities prices): None. Keywords: Significant Information