| Relationships | Role | Relationship Start | Relationship End |
| Bt Australia Corporate Services Pty Limited | Parent | 12/31/1998 | 9/29/1999 |
| Bt Australia Limited | Parent | 12/31/1980 | 12/30/1998 |
| Relationships | Role | Relationship Start | Relationship End |
| Bt Australia Corporate Services Pty Limited | Parent | 12/31/1998 | 9/29/1999 |
| Bt Australia Limited | Parent | 12/31/1980 | 12/30/1998 |