| Relationships | Role | Relationship Start | Relationship End |
| Goldman Sachs Group, Inc., The | Parent | 9/21/2008 | 1/16/2014 |
| Gs Mezzanine Advisors Ii, L.L.C. | Parent | 9/21/2008 | 1/16/2014 |
| Gs Mezzanine Partners Ii Offshore (Brenntag) Llc | Subsidary | 9/21/2008 | 12/12/2013 |