| Relationships | Role | Relationship Start | Relationship End |
| Citicorp Beteiligungen Aktiengesellschaft | Parent | 12/30/1986 | 12/31/1986 |
| Citicorp Beteiligungen Aktiengesellschaft | Parent | 11/30/1984 | 12/29/1986 |
| Citibank Overseas Investment Corporation | Parent | 12/31/1980 | 11/29/1984 |
| Datastruktur Gmbh | Subsidary | 6/11/1986 | 12/29/1986 |