| Relationships | Role | Relationship Start | Relationship End |
| Compagnie Financiere De Paribas | Parent | 12/31/1988 | 12/30/1990 |
| Societe De Gestion Et D'interets Petroliers (Sogedip) | Parent | 12/31/1983 | 12/30/1990 |
| Opfi-Paribas | Parent | 12/31/1985 | 5/4/1988 |
| Paribas International | Parent | 12/31/1985 | 12/30/1987 |
| Coginvest | Subsidary | 12/31/1983 | 12/30/1990 |