| Relationships | Role | Relationship Start | Relationship End |
| Andsberg Inversiones Ltda. | Parent | 11/4/2002 | 7/29/2003 |
| Northern Mines Scm | Parent | 11/4/2002 | 7/29/2003 |
| Antofagasta Railway Company Plc | Parent | 3/27/2001 | 11/3/2002 |
| Andsberg Inversiones Ltda. | Parent | 3/27/2001 | 11/3/2002 |
| Northern Mines Scm | Parent | 3/27/2001 | 11/3/2002 |
| Quinenco S.A. | Subsidary | 3/27/2001 | 7/29/2003 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Andsberg Inversiones Ltda. | Buyer | Discontinued | 7/30/2003 |