| Relationships | Role | Relationship Start | Relationship End |
| Bt Australia Limited | Parent | 2/2/1997 | 7/30/1999 |
| Bt Science Holdings Limited | Parent | 7/1/1996 | 2/1/1997 |
| Relationships | Role | Relationship Start | Relationship End |
| Bt Australia Limited | Parent | 2/2/1997 | 7/30/1999 |
| Bt Science Holdings Limited | Parent | 7/1/1996 | 2/1/1997 |