| Announcement Date | Ex-Bonus Date | Bonus Ratio | Remarks |
|---|---|---|---|
| 23 Sep, 1990 | - | 5:7 | For every 7 share held; Holder will receive 5 bonus shares. |
| 23 Sep, 1987 | - | 2:5 | For every 5 share held; Holder will receive 2 bonus shares. |
| 23 Sep, 1982 | - | 2:3 | For every 3 share held; Holder will receive 2 bonus shares. |