| Relationships | Role | Relationship Start | Relationship End |
| Dresdner Bank Aktiengesellschaft | Parent | 12/31/1980 | 10/31/1984 |
| Intercontinental Mining & Resources S.A. | Subsidary | 12/31/1980 | 10/31/1984 |
| Mg Technologies Ag | Subsidary | 12/31/1980 | 12/30/1981 |
| Relationships | Role | Relationship Start | Relationship End |
| Dresdner Bank Aktiengesellschaft | Parent | 12/31/1980 | 10/31/1984 |
| Intercontinental Mining & Resources S.A. | Subsidary | 12/31/1980 | 10/31/1984 |
| Mg Technologies Ag | Subsidary | 12/31/1980 | 12/30/1981 |