| Relationships | Role | Relationship Start | Relationship End |
| Citicorp Securities Asia Pacific Limited | Parent | 6/6/1984 | 8/30/1992 |
| Citicorp Vickers Singapore Nominees Pte. Ltd. | Subsidary | 6/6/1984 | 8/28/1992 |
| Fraser Vickers Research Pte. Limited | Subsidary | 6/6/1984 | 8/31/1987 |