| Relationships | Role | Relationship Start | Relationship End |
| Gurit-Heberlein Ag | Parent | 12/31/1984 | 12/30/1985 |
| Union Bank Of Switzerland | Parent | 12/31/1982 | 12/30/1984 |
| Union Bank Of Switzerland | Parent | 12/31/1980 | 12/30/1982 |
| Arova Rorschach Ag | Subsidary | 12/31/1980 | 12/30/1985 |
| Gurit Ag | Subsidary | 12/31/1980 | 12/30/1982 |