Hiwin Technologies Corp. Announces Explanation for Consecutive Nomination of Independent Director for Three Terms

1. Date of Occurrence: 2026/04/08 2. Company Name: Hiwin Technologies Corp. 3. Relationship with the Company (please enter 'the company' or 'subsidiary'): The company 4. Mutual Shareholding Ratio: Not applicable 5. Reason for Occurrence: The company's shareholders holding 1% or more of the shares nominated and approved Mr. Ho Ming-Tzu as an independent director for the 10th term. Since Mr. Ho Ming-Tzu has served for three consecutive terms, in accordance with Article 5 of the "Regulations Governing the Establishment of Independent Directors and Compliance Matters for Public Companies," the reasons for his continued nomination as an independent director should be announced. 6. Countermeasures: Considering Mr. Ho Ming-Tzu's rich academic and professional experience and specialized knowledge, he has provided significant assistance to the company's cpcCells, cpcRobot, cpcSystem, and cpcStudio related products, and in constructing a complete product architecture from key components, modular systems to complete machine solutions and software platforms, as well as in the layout of humanoid robots and smart robot technologies, and the development of artificial intelligence vision and robot learning applications. He can also assist in implementing industry-academia collaboration. The company urgently needs someone familiar with the company who can provide advice on its operational management. The company particularly needs to leverage the expertise of such a professional with complete academic and professional experience to ensure the smooth operation and effective functioning of the audit committee. Therefore, he is continuously nominated as an independent director candidate this time, so that he can utilize his expertise in performing his duties as an independent director and provide supervision and professional opinions to the board of directors. National Cheng Kung University's letter dated January 28, 2026, Cheng-Da-Ren-Zi No. 1150500342, has approved Associate Professor Ho Ming-Tzu of the Department of Engineering Science to serve as an independent director candidate and a member of the compensation committee of the company. 7. Other Matters to be Explained (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