| Relationships | Role | Relationship Start | Relationship End |
| Credit Suisse Holdings (Usa), Inc. | Parent | 3/31/1998 | 8/5/2010 |
| Tradeweb Group Llc | Subsidary | 12/26/2001 | 5/21/2004 |
| Tradeweb Llc | Subsidary | 4/8/1998 | 12/25/2001 |
| Tradeweb Llc | Subsidary | 3/31/1998 | 4/7/1998 |