| Relationships | Role | Relationship Start | Relationship End |
| Inversiones Rio Grande S.A. | Parent | 6/30/2007 | 7/21/2008 |
| Inversiones Rio Grande S.A. | Parent | 3/27/2001 | 6/29/2007 |
| Lq Inversiones Financieras S.A. | Subsidary | 3/27/2001 | 7/21/2008 |
| Lq Inversiones Financieras S.A. | Subsidary | 1/1/2008 | 7/21/2008 |
| Lq Inversiones Financieras S.A. | Subsidary | 3/27/2003 | 12/31/2007 |
| Lq Inversiones Financieras S.A. | Subsidary | 1/22/2002 | 3/26/2003 |
| Lq Inversiones Financieras S.A. | Subsidary | 3/27/2001 | 1/21/2002 |