[Gusn] Announcement of Important Board Resolutions

1. Date of Occurrence: 115/05/12 2. Company Name: Gusn Precision Industry Co., Ltd. 3. Relationship with the Company: Parent Company 4. Proportion of Cross-Shareholding: Not applicable 5. Reason for Occurrence: Important resolutions from this board meeting are as follows: (I) Approval of the Q1 2026 consolidated financial report. (II) Change of certified public accountant due to internal adjustments by the firm. (III) Approval to authorize the chairman to handle bank credit matters. 6. Response Measures: None 7. Other Matters to Be Notified (If the subject of the event or resolution is a publicly issued company or above, this major information also meets the requirements of Article 7, Paragraph 9 of the Enforcement Rules of the Securities Transaction Act regarding matters that have a significant impact on shareholder rights or securities prices): None