Yih-Shen Announces Adjustment to Dividend Payout Ratio

1. Date of resolution by the board of directors or shareholders' meeting: NA 2. Original type and amount of dividend distribution: (1) Cash dividend distributed from earnings: NT$57,989,645, with NT$0.25 distributed per share. (2) Cash distributed from capital reserves: NT$57,989,645, with NT$0.25 distributed per share. 3. Changed type and amount of dividend distribution: (1) Cash dividend distributed from earnings: NT$57,989,645, with NT$0.24923022 distributed per share. (2) Cash distributed from capital reserves: NT$57,989,645, with NT$0.24923022 distributed per share. 4. Reason for change: Due to the conversion of the company's convertible bonds, which affected the company's outstanding shares, the actual dividend payout ratio should be adjusted based on the company's actual total outstanding shares of 232,675,010 shares. 5. Other matters that need to be specified: 1> According to the resolution passed by the company's board of directors on 2026/03/10, the chairman is authorized to adjust the dividend payout ratio.