| Relationships | Role | Relationship Start | Relationship End |
| Salomon Smith Barney (Chile) S.A. | Parent | 12/27/1990 | 3/30/1999 |
| Citibank Overseas Investment Corporation | Parent | 12/27/1990 | 8/16/1993 |
| Citibank Overseas Investment Corporation | Parent | 7/31/1980 | 12/26/1990 |