| Relationships | Role | Relationship Start | Relationship End |
| Columbia Management Investment Advisers, Llc | Parent | 7/21/2011 | 1/30/2013 |
| Bofa Global Capital Management Group, Llc | Parent | 6/30/2007 | 4/30/2010 |
| Bofa Global Capital Management Group, Llc | Parent | 11/1/2001 | 6/29/2007 |
| Columbia Wanger Asset Management, L.P. | Subsidary | 11/1/2001 | 4/30/2010 |