| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | PowerShares Exchange-Traded Fund Trust II | 276,094 | 21.2% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | PowerShares Exchange-Traded Fund Trust II | 155,878 | 7.4% | EDGAR |
| SC 13G/A | 2010-01-28 | WELLS FARGO & CO/MN | PowerShares Exchange-Traded Fund Trust II | 2,848,233 | 15.9% | EDGAR |
| SC 13G/A | 2010-01-11 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 100,420 | 28.7% | EDGAR |
| SC 13G/A | 2009-12-10 | WELLS FARGO & CO/MN | PowerShares Exchange-Traded Fund Trust II | 275,508 | 21.2% | EDGAR |
| SC 13G | 2009-12-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 446,200 | 17.2% | EDGAR |
| SC 13G/A | 2009-11-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 219,954 | 15.7% | EDGAR |
| SC 13G/A | 2009-10-13 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 68,485 | 22.8% | EDGAR |
| SC 13G | 2009-10-13 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 258,420 | 10.8% | EDGAR |
| SC 13G/A | 2009-09-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 62,580 | 20.9% | EDGAR |
| SC 13G/A | 2009-08-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 56,900 | 28.4% | EDGAR |
| SC 13G/A | 2009-07-29 | WELLS FARGO & CO/MN | PowerShares Exchange-Traded Fund Trust II | 198,594 | 15.3% | EDGAR |
| SC 13G/A | 2009-07-10 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 40,865 | 20.4% | EDGAR |
| SC 13G/A | 2009-07-09 | WELLS FARGO & CO/MN | PowerShares Exchange-Traded Fund Trust II | 199,270 | 15.3% | EDGAR |
| SC 13G | 2009-05-11 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 21,980 | 11.0% | EDGAR |
| SC 13G/A | 2009-05-08 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 104,622 | 10.5% | EDGAR |
| SC 13G | 2009-04-09 | WELLS FARGO & CO/MN | PowerShares Exchange-Traded Fund Trust II | 180,855 | 10.0% | EDGAR |
| SC 13G/A | 2009-03-31 | WELLS FARGO & CO/MN | PowerShares Exchange-Traded Fund Trust II | 0 | - | EDGAR |
| SC 13G | 2009-02-13 | US BANCORP \DE\ | PowerShares Exchange-Traded Fund Trust II | 215,000 | 19.6% | EDGAR |
| SC 13G | 2009-02-13 | Invesco Ltd. | PowerShares Exchange-Traded Fund Trust II | 53,410 | 5.3% | EDGAR |