| Relationships | Role | Relationship Start | Relationship End |
| Preussag Aktiengesellschaft | Parent | 12/31/1980 | 12/30/1987 |
| Amalgamet Inc. | Subsidary | 12/31/1987 | 12/30/1988 |
| Preussag Metals Corporation | Subsidary | 1/1/1982 | 12/30/1987 |
| Relationships | Role | Relationship Start | Relationship End |
| Preussag Aktiengesellschaft | Parent | 12/31/1980 | 12/30/1987 |
| Amalgamet Inc. | Subsidary | 12/31/1987 | 12/30/1988 |
| Preussag Metals Corporation | Subsidary | 1/1/1982 | 12/30/1987 |