HIWIN: Announcement of Important Board Resolutions

1.Date of occurrence of the event: 2026/05/06 2.Company name: HIWIN Technologies Corp. 3.Relationship with the company (please enter 'our company' or 'subsidiary'): Our company 4.Mutually holding shares percentage: Not applicable 5.Reason for occurrence: The board of directors of our company passed the following proposals: (1) Approved the company's 2026 first quarter consolidated financial report. (2) Approved the increase in endorsement guarantees for invested subsidiaries. (3) Approved the subsidiary's application for bank credit lines. (4) Approved the company's application for bank credit lines. 6.Countermeasures: None 7.Other matters that need to be specified (if the subject of the event or resolution is a public company or above, this material information also complies with Article 7, Paragraph 9 of the Enforcement Rules of the Securities and Exchange Act, which stipulates matters that have a significant impact on shareholders' equity or securities prices): None