| Relationships | Role | Relationship Start | Relationship End |
| Chemsecurities Ltd. | Parent | 12/31/1987 | 2/10/1996 |
| Chemical Holdings (U.K.) Limited | Parent | 7/1/1986 | 12/30/1987 |
| Relationships | Role | Relationship Start | Relationship End |
| Chemsecurities Ltd. | Parent | 12/31/1987 | 2/10/1996 |
| Chemical Holdings (U.K.) Limited | Parent | 7/1/1986 | 12/30/1987 |