| Relationships | Role | Relationship Start | Relationship End |
| Westpac Americas Inc. | Parent | 6/30/2007 | |
| Westpac Americas Inc. | Parent | 9/30/1987 | 6/29/2007 |
| Southern Cross Inc. | Subsidary | 2/6/1992 | 12/30/1995 |
| Westpac Fmg Inc. | Subsidary | 2/6/1992 | 6/30/1993 |
| Westpac Pollock Inc. | Subsidary | 9/30/1987 | 2/5/1992 |
| Westpac Investment Capital Corporation | Subsidary | 7/30/1989 | 9/29/1991 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Westpac Pollock Inc. | Seller | Discontinued | 2/6/1992 |