| Year of dividend | Dividend per share (common stock) | Ex-dividend record date | Cash dividend distribution date | Ex-rights record date | Stock dividend distribution date | Date of shareholders meeting | |
| Cash dividend (NT$) | Stock dividend | ||||||
| 2023 | 3 | 2024/07/30 | 2024/08/29 | 2024/06/25 | |||
| 2022 | 1.8 | 2023/07/31 | 2023/08/30 | 2023/06/28 | |||
| 2021 | 1.3 | 2022/07/26 | 2022/08/22 | 2022/06/23 | |||
| 2020 | 1.3 | 2021/08/16 | 2021/09/08 | 2021/07/07 | |||
| 2019 | 1 | 2020/07/27 | 2020/08/17 | 2020/06/23 | |||
