| Relationships | Role | Relationship Start | Relationship End |
| Barclays Global Investors Uk Holdings Limited | Parent | 6/30/2007 | 11/30/2009 |
| Barclays Global Investors Uk Holdings Limited | Parent | 1/19/2007 | 6/29/2007 |
| Barclays California Corporation | Subsidary | 6/30/2007 | 11/30/2009 |
| Barclays California Corporation | Subsidary | 1/19/2007 | 6/29/2007 |