| ERNST & YOUNG AUDIT | | | |
| AUDITEX | | | |
| TGS France Audit | | | |
| Bourgois | NICOLAS | 1960-12 | Member of the Supervisory Board |
| Bourgois | NELSON | 1984-10 | Member of the Supervisory Board |
| Bourgois | ETIENNE | 1960-12 | Chief Executive Officer |
| Bourgois | ETIENNE | 1960-12 | Chairman of the Supervisory Board |
| Claret De Fleurieu | IRIS | 1983-03 | Member of the Supervisory Board |
| Claret de Fleurieu | AURORE | 1979-07 | Chief Executive Officer |
| Claret De Fleurieu | AURORE | 1979-07 | Member of the Supervisory Board |
| Michel | ARIANE | 1973-09 | Member of the Supervisory Board |
| Troublé | AGNES | 1941-11 | Chairman of an SAS |