| Relationships | Role | Relationship Start | Relationship End |
| Citicorp Banking Corporation | Parent | 12/1/1989 | 12/22/1994 |
| Inversiones Mineras Del Norte Limitada | Subsidary | 1/19/1990 | 12/22/1994 |
| Relationships | Role | Relationship Start | Relationship End |
| Citicorp Banking Corporation | Parent | 12/1/1989 | 12/22/1994 |
| Inversiones Mineras Del Norte Limitada | Subsidary | 1/19/1990 | 12/22/1994 |