4934 TAI-CHI

Release Date: July 2, 2026 Statement Date: July 1, 2026 Statement Time: 19:10:48 Company Code: 4934 Company Name: TAI-CHI Subject: Change of Representative Director Appointed by Corporate Director Applicable Clause: Clause 6 Factual Date: July 1, 2026

Details: 1. Date of Change: July 1, 2026 2. Corporate Entity: Guang-Yun Machinery & Engineering Co., Ltd. 3. Former Representative: Ms. Shen Li-Chuan 4. Former Representative's Background: General Manager, Operations Management Center, Guang-Yun Machinery & Engineering Co., Ltd. 5. New Representative: Ms. Lin Wan-Hsuan 6. New Representative's Background: Special Assistant to the Chairman, Guang-Yun Machinery & Engineering Co., Ltd. 7. Reason for Change: Replacement of representative director by corporate director 8. Original Term (e.g., xx/xx/xx to xx/xx/xx): May 27, 2025 to May 26, 2028 9. Effective Date of New Appointment: July 1, 2026 10. Other Matters to be Disclosed: None.