| 10 Aug, 1998 | 17 Aug, 1998 | 1:1 | For every 1 share held; Holder will receive 1 bonus shares. |
| 22 Jun, 1988 | - | 1:1 | For every 1 share held; Holder will receive 1 bonus shares. |
| 02 Feb, 1987 | - | 1:1 | For every 1 share held; Holder will receive 1 bonus shares. |
| 22 Jun, 1984 | - | 3:5 | For every 5 share held; Holder will receive 3 bonus shares. |
| 22 Jun, 1979 | - | 1:3 | For every 3 share held; Holder will receive 1 bonus shares. |
| 22 Jun, 1976 | - | 1:1 | For every 1 share held; Holder will receive 1 bonus shares. |
| 22 Jun, 1969 | - | 1:2 | For every 2 share held; Holder will receive 1 bonus shares. |