[Tong Yang] Announcement regarding the election of the Board of Directors (including Independent Directors)

1. Date of change: June 17, 2026 2. Type of personnel change: Independent Director and Natural Person Director 3. Former incumbents: Wu Yung-mao (Director), Wu Yung-feng (Director), Wu Yung-hsiang (Director), Wang Chi-pin (Director), Lin Kan-hsiung (Independent Director), Tsai Ming-tien (Independent Director), Cheng Yen-ling (Independent Director) 4. New incumbents: Wu Yung-mao (Director), Wu Yung-feng (Director), Wu Yung-hsiang (Director), Huang San-liang (Director), Wu Shu-chen (Independent Director), Chen Ling-chu (Independent Director), Hong Xiao-ping (Independent Director) 5. Reason for change: Full election upon expiration of term. 6. Effective date of new appointment: June 17, 2026