Daiyu (1598) Announces 13th Board Renewal, Over One-Third of Directors Replaced

Announcement Date: May 25, 2026 Company Code: 1598 Company Name: Daiyu Subject: Announcement of the list of elected directors for the 13th term and the replacement of more than one-third of the directors. Compliance Clause: Article 6 Date of Event: May 25, 2026 Explanation: 1. Date of change: May 25, 2026 2. Category of appointed or changed personnel: Corporate Director, Natural Person Director, Independent Director 3. Names and titles of outgoing personnel: - Director: Chuan Feng Investment Co., Ltd. Representative: Lin You-Ying - Director: Zhuang Zhu-Wei - Director: Yongheng Investment Co., Ltd. Representative: Qiu Shi-Jian - Independent Director: Wang Kai-Li - Independent Director: Wang Zhi-Cheng - Independent Director: Wu Jin-Bo - Independent Director: Du Qi-Yao 4. Profiles of outgoing personnel provided. 5. Names and titles of incoming personnel: - Director: Yongheng Investment Co., Ltd. Representative: Lin You-Ying - Director: Gianite Co., Ltd. Representative: Zhuang Zhu-Wei - Director: Wei Guo-Yang - Director: Taipei Daiyu International Charity Foundation Representative: Zhuang Qiu-An - Independent Director: Du Qi-Yao - Independent Director: Wu Jin-Bo - Independent Director: Huang Tai-Feng 6. Profiles of incoming personnel provided. 7. Reason for change: Expiration of term / New appointment 8. New Term: May 25, 2026 to May 24, 2029 9. More than one-third of directors replaced: Yes