| Relationships | Role | Relationship Start | Relationship End |
| Ba Holding Company S.A. | Parent | 4/2/1990 | 3/31/1993 |
| Ba Holding Company S.A. | Parent | 10/1/1982 | 4/1/1990 |
| Relationships | Role | Relationship Start | Relationship End |
| Ba Holding Company S.A. | Parent | 4/2/1990 | 3/31/1993 |
| Ba Holding Company S.A. | Parent | 10/1/1982 | 4/1/1990 |