| Relationships | Role | Relationship Start | Relationship End |
| World Trading (Delaware) Inc. | Parent | 6/30/2007 | 9/28/2015 |
| World Trading (Delaware) Inc. | Parent | 5/25/1999 | 6/29/2007 |
| Mercer Investments Limited | Subsidary | 11/26/2003 | 6/26/2015 |
| Mercer Investments Limited | Subsidary | 5/25/1999 | 11/25/2003 |
| Db Lexington Investments Inc. | Subsidary | 5/27/1999 | 8/31/2001 |