| Relationships | Role | Relationship Start | Relationship End |
| Bt Custodial Services Pty Limited | Parent | 12/31/1998 | 9/29/1999 |
| Bt Australia Limited | Parent | 8/1/1992 | 12/30/1998 |
| Bt Australia Limited | Parent | 1/31/1985 | 7/31/1992 |
| Relationships | Role | Relationship Start | Relationship End |
| Bt Custodial Services Pty Limited | Parent | 12/31/1998 | 9/29/1999 |
| Bt Australia Limited | Parent | 8/1/1992 | 12/30/1998 |
| Bt Australia Limited | Parent | 1/31/1985 | 7/31/1992 |