| Relationships | Role | Relationship Start | Relationship End |
| Grupo Financiero Invermexico, S.A. De C.V. | Parent | 4/1/1992 | 8/31/1996 |
| Invermexico Cayman Holding, Ltd. | Subsidary | 12/31/1994 | 8/31/1996 |
| Bbva Securities Inc. | Subsidary | 4/1/1992 | 12/30/1994 |
| Relationships | Role | Relationship Start | Relationship End |
| Grupo Financiero Invermexico, S.A. De C.V. | Parent | 4/1/1992 | 8/31/1996 |
| Invermexico Cayman Holding, Ltd. | Subsidary | 12/31/1994 | 8/31/1996 |
| Bbva Securities Inc. | Subsidary | 4/1/1992 | 12/30/1994 |