| Relationships | Role | Relationship Start | Relationship End |
| Citicorp Banking Corporation | Parent | 12/12/1990 | 9/9/1994 |
| South Andean Investment Company, S.A. | Subsidary | 12/13/1990 | 4/7/1994 |
| Relationships | Role | Relationship Start | Relationship End |
| Citicorp Banking Corporation | Parent | 12/12/1990 | 9/9/1994 |
| South Andean Investment Company, S.A. | Subsidary | 12/13/1990 | 4/7/1994 |