| Relationships | Role | Relationship Start | Relationship End |
| Ubs Ag | Parent | 6/1/2000 | 11/1/2005 |
| Ubs O'connor Trading Limited | Parent | 6/1/2000 | 11/1/2005 |
| Ubs Employee Benefits Trust Limited | Parent | 6/1/2000 | 11/1/2005 |
| Ubs Alternative And Quantitative Diversified Index Limited | Parent | 5/1/2004 | 11/1/2005 |
| O'connor Proprietary Multi - Strategies Limited | Parent | 3/1/2003 | 5/1/2004 |
| O'connor Global Multi Strategy Alpha Master Limited | Subsidary | 6/1/2000 | 11/1/2005 |