| Announcement Date | Ex-Bonus Date | Bonus Ratio | Remarks |
|---|---|---|---|
| 16 Dec, 1992 | - | 1:3 | For every 3 share held; Holder will receive 1 bonus shares. |
| 28 Dec, 1980 | - | 1:5 | For every 5 share held; Holder will receive 1 bonus shares. |
| 28 Dec, 1977 | - | 3:5 | For every 5 share held; Holder will receive 3 bonus shares. |