| Relationships | Role | Relationship Start | Relationship End |
| Tradeweb Markets Llc | Parent | 9/21/2008 | 3/15/2012 |
| Hilliard Farber & Co., Inc. | Subsidary | 9/21/2008 | 3/15/2012 |
| Relationships | Role | Relationship Start | Relationship End |
| Tradeweb Markets Llc | Parent | 9/21/2008 | 3/15/2012 |
| Hilliard Farber & Co., Inc. | Subsidary | 9/21/2008 | 3/15/2012 |