| SC 13G | 2011-02-14 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 116,657 | 8.3% | EDGAR |
| SC 13G | 2011-02-14 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 80,649 | 5.0% | EDGAR |
| SC 13G/A | 2011-02-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 7,931,800 | 78.5% | EDGAR |
| SC 13G/A | 2011-02-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 4,330,252 | 20.7% | EDGAR |
| SC 13G/A | 2011-02-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 70 | 0.0% | EDGAR |
| SC 13G/A | 2011-02-09 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 774,690 | 14.6% | EDGAR |
| SC 13G | 2010-12-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 7,711,600 | 76.0% | EDGAR |
| SC 13G/A | 2010-10-12 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 3,720,449 | 18.9% | EDGAR |
| SC 13G | 2010-10-12 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 734,741 | 16.3% | EDGAR |
| SC 13G/A | 2010-06-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 76,519 | 2.9% | EDGAR |
| SC 13G/A | 2010-06-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 1,364,605 | 9.4% | EDGAR |
| SC 13G/A | 2010-06-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 0 | 0.0% | EDGAR |
| SC 13G/A | 2010-06-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 57,501 | 2.7% | EDGAR |
| SC 13G/A | 2010-05-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 153,755 | 34.2% | EDGAR |
| SC 13G | 2010-03-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 1,579,446 | 15.6% | EDGAR |
| SC 13G/A | 2010-02-12 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 477,218 | 17.0% | EDGAR |
| SC 13G/A | 2010-02-12 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 250,253 | 15.7% | EDGAR |
| SC 13G | 2010-02-12 | US BANCORP \DE\ | PowerShares Exchange-Traded Fund Trust II | 0 | 0.0% | EDGAR |
| SC 13G | 2010-02-12 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 84,521 | 9.4% | EDGAR |
| SC 13G/A | 2010-02-09 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 114,015 | 22.8% | EDGAR |