5234 Daxin Materials: Full Re-election of Board of Directors

Report Date: May 23, 2026. Announcement Date: May 22, 2026. Company Code: 5234. Company Name: Daxin Materials. Subject: Full re-election of the Board of Directors at the 2026 Annual General Meeting. Date of occurrence: May 22, 2026. Explanation: 1. Change date: May 22, 2026. 2. Position type: Corporate Director, Independent Director, Natural Person Director. 3. Former Directors: (1) Lin Zheng-yi, (2) Guo Zong-xin, (3) Pan Jin-cheng (Eternal Materials), (4) Lin Ting-li (Kangli Investment), (5) Lin Xin-wu (Independent), (6) Zheng Wei-shun (Independent), (7) Cheng Zhao-mo (Independent), (8) Cai Zhi-qun (Independent). 4. Former Profiles: (1) Lin Zheng-yi: Chairman & CEO, (2) Guo Zong-xin: Vice Chairman, (3) Pan Jin-cheng: COO of Special Materials at Eternal Materials, (4) Lin Ting-li: SVP at AUO, (5) Lin Xin-wu: VP at TIER, (6) Zheng Wei-shun: Director at M.SETEK, (7) Cheng Zhao-mo: Associate at Eternal Materials, (8) Cai Zhi-qun: Senior Director at TSMC. 5. New Directors: (1) Lin Zheng-yi, (2) Guo Zong-xin, (3) Chen Jin-yuan (Eternal Materials), (4) Lin Ting-li (Kangli Investment), (5) Liu Yan-zhen, (6) Lin Xin-wu (Independent), (7) Zheng Wei-shun (Independent), (8) Cheng Zhao-mo (Independent), (9) Cai Zhi-qun (Independent). 6. New Profiles: (1) Lin Zheng-yi: Chairman & CEO, (2) Guo Zong-xin: Vice Chairman, (3) Chen Jin-yuan: Director & Advisor at Eternal Materials, (4) Lin Ting-li: SVP at AUO, (5) Liu Yan-zhen: CFO, (6) Lin Xin-wu: VP at TIER, (7) Zheng Wei-shun: Director at M.SETEK, (8) Cheng Zhao-mo: Associate at Eternal Materials, (9) Cai Zhi-qun: Senior Director at TSMC. 7. Reason: Expiration of term. 8. Shareholdings: Lin Zheng-yi 2,298,832 shares, Guo Zong-xin 231,911 shares, Chen Jin-yuan 23,003,812 shares, Lin Ting-li 19,113,730 shares, Liu Yan-zhen 167,786 shares, Independent Directors 0 shares. 9. Effective Date: May 22, 2026. 10. Change of 1/3 or more of directors: No.