| 03 May, 1990 | 09 Jan, 1991 | 2:5 | For every 5 share held; Holder will receive 2 bonus shares. |
| 03 May, 1979 | - | 2:5 | For every 5 share held; Holder will receive 2 bonus shares. |
| 03 May, 1976 | - | 4:5 | For every 5 share held; Holder will receive 4 bonus shares. |
| 03 May, 1973 | - | 1:1 | For every 1 share held; Holder will receive 1 bonus shares. |
| 03 May, 1969 | - | 1:4 | For every 4 share held; Holder will receive 1 bonus shares. |
| 03 May, 1966 | - | 1:10 | For every 10 share held; Holder will receive 1 bonus shares. |
| 03 May, 1961 | - | 4:10 | For every 10 share held; Holder will receive 4 bonus shares. |