Dividends History
Common Shares
| Year | Per Common Share | Ex-Dividend Date | Record Date | Payment Date | Shareholders' Meeting | Attachment | |
| Stock Dividend | Cash Dividend | ||||||
| 2019 | N/A | NT$1.99802982 | 2020-08-13 | 2020-08-14 | 2020-09-10 | 2020-06-24 | |
| 2018 | N/A | NT$2.49868226 | 2019-08-13 | 2019-08-14 | 2019-09-05 | 2019-06-27 | |
| 2017 | N/A | NT$2.49925781 | 2018-08-10 | 2018-08-13 | 2018-09-05 | 2018-06-21 | |
American Depositary Receipts
| Year | Per Common Share | US Ex-Dividend Date | US Record Date | US Payment Date | Shareholders' Meeting | Attachment | |
| Stock Dividend | Cash Dividend | ||||||
| 2019 | N/A | NT$1.99802982 | 2020-08-13 | 2020-08-14 | 2020-09-17 | 2020-06-24 |  |
| 2018 | N/A | NT$2.49868226 | 2019-08-13 | 2019-08-14 | 2019-09-12 | 2019-06-27 | |
| 2017 | N/A | NT$2.49925781 | 2018-08-10 | 2018-08-13 | 2018-09-12 | 2018-06-21 | |