| Relationships | Role | Relationship Start | Relationship End |
| Blackrock Delaware Holdings Inc. | Parent | 12/1/2009 | |
| Barclays California Corporation | Parent | 6/30/2007 | 11/30/2009 |
| Barclays California Corporation | Parent | 12/31/2002 | 6/29/2007 |
| Barclays Usa Inc. | Parent | 3/27/1998 | 3/13/2001 |
| Barclays De Zoete Wedd U.S. Holdings, Inc. | Parent | 3/22/1990 | 3/26/1998 |
| Ishares Delaware Trust Sponsor Llc | Subsidary | 6/16/2009 | |
| Blackrock Fund Distribution Company | Subsidary | 11/6/2007 | 4/30/2012 |
| Acquisitions & Mergers | Role | Assets | Acct Method | Type | Transaction Date |
| Blackrock Fund Distribution Company | Seller | Discontinued | 5/1/2012 |