| Relationships | Role | Relationship Start | Relationship End |
| Bt Investments (Australia) Limited | Parent | 4/15/1999 | 9/29/1999 |
| Bankers Trust Australia Limited | Parent | 2/28/1999 | 4/14/1999 |
| Bt Science Holdings Limited | Parent | 6/1/1996 | 2/27/1999 |
| Bt Ib Limited | Subsidary | 2/1/1999 | 4/14/1999 |