| Cash Dividend | Distribution Date | Stock Dividend | Distribution Date | Ex-Dividend Date | |
| 2024 | 3.4973771 | 2025-09-10 | - | - | 2025-08-14 |
| 2023 | 2.47665906 | 2024-09-09 | - | - | 2024-08-13 |
| 2022 | 2.3 | 2023-09-08 | - | - | 2023-08-10 |
| 2021 | 2.07840074 | 2022-09-08 | - | - | 2022-08-11 |
| 2020 | 1.20 | 2021-09-03 | - | - | 2021-08-03 |
| 2019 | 1.30 | 2020-09-04 | - | - | 2020-08-04 |
| 2018 | 1.26 | 2019-09-06 | - | - | 2019-08-05 |
| 2017 | 1.60 | 2018-09-07 | - | - | 2018-08-06 |
| 2016 | 1.70 | 2017-09-08 | - | - | 2017-08-03 |
| 2015 | 1.53 | 2016-09-09 | - | - | 2016-08-04 |
| 2014 | 1.50 | 2015-09-04 | - | - | 2015-08-13 |
| 2013 | 1.28 | 2014-09-12 | - | - | 2014-08-21 |
| 2012 | 1.00 | 2013-09-18 | - | - | 2013-08-29 |
| 2011 | 0.70 | 2012-08-17 | - | - | 2012-07-30 |
| 2010 | 1.20 | 2011-08-19 | - | - | 2011-07-28 |
| 2009 | 1.00 | 2010-08-13 | - | - | 2010-07-22 |
| 2008 | 1.13 | 2009-09-14 | 0.30 | 2009-09-14 | 2009-08-03 |
| 2007 | 1.30 | 2008-09-19 | 1.20 | 2008-09-19 | 2008-08-14 |
| 2006 | 1.20 | 2007-08-31 | 1.20 | 2007-08-31 | 2007-07-23 |
| 2005 | 0.80 | 2006-09-15 | 1.00 | 2006-10-05 | 2006-08-10 |
| 2004 | 0.50766127 | 2005-09-05 | 0.71072582 | 2005-09-28 | 2005-08-01 |
| 2003 | 0.50090600 | 2004-09-10 | 0.05009060 | 2004-09-30 | 2004-08-03 |
| Name | Shareholding | Shareholding % |
| Ji Hong Investment Co., Ltd. | 16,089,465 | 7.63% |
| Chen Lin Investment Ltd. | 9,237,790 | 4.38% |
| Lin, Yu-Huang | 8,612,089 | 4.08% |
| Hong Yue Investment Co., Ltd. | 7,351,650 | 3.49% |
| Zhan, Mei-Zhu | 5,687,897 | 2.70 |
| Wei Feng Investment Co., Ltd. | 3,860,000 | 1.83% |
| Chen Guang Investment Co., Ltd. | 3,793,498 | 1.80% |
| Lin, Shean-Kuo | 3,793,106 | 1.80% |
| Lin, Ying-Chih | 3,528,439 | 1.67% |
| Lu, Rui-ling | 3,150,000 | 1.49% |