| SC 13G | 2008-03-04 | CURIAN CAPITAL LLC | iSHARES TRUST | 383,947 | 6.1% | EDGAR |
| SC 13G | 2008-03-04 | CURIAN CAPITAL LLC | iSHARES TRUST | 268,641 | 7.3% | EDGAR |
| SC 13G | 2008-03-04 | CURIAN CAPITAL LLC | iSHARES TRUST | 255,923 | 7.8% | EDGAR |
| SC 13G | 2008-03-04 | CURIAN CAPITAL LLC | iSHARES TRUST | 4,296,248 | 5.2% | EDGAR |
| SC 13G/A | 2008-02-14 | Bank of New York Mellon CORP | iSHARES TRUST | 1,234,598 | 2.3% | EDGAR |
| SC 13G | 2008-02-13 | Robeco Institutional Asset Management B.V. | iSHARES TRUST | 167,000 | 6.4% | EDGAR |
| SC 13G/A | 2008-02-12 | FIRST TRUST PORTFOLIOS LP | iSHARES TRUST | 104,684 | 8.1% | EDGAR |
| SC 13G | 2008-02-11 | WACHOVIA CORP NEW | iSHARES TRUST | 185,560 | 3.2% | EDGAR |
| SC 13G | 2008-02-11 | CURIAN CAPITAL LLC | iSHARES TRUST | 1,731,886 | 5.4% | EDGAR |
| SC 13G | 2008-02-11 | WACHOVIA CORP NEW | iSHARES TRUST | 59,217 | 4.2% | EDGAR |
| SC 13G | 2008-02-11 | WACHOVIA CORP NEW | iSHARES TRUST | 372,439 | 10.2% | EDGAR |
| SC 13G | 2008-02-08 | STATE OF WISCONSIN INVESTMENT BOARD | iSHARES TRUST | - | 5.4% | EDGAR |
| SC 13G | 2008-02-05 | BARCLAYS GLOBAL INVESTORS NA /CA/ | iSHARES TRUST | 103,560 | 0.1% | EDGAR |
| SC 13G | 2008-02-01 | WACHOVIA CORP NEW | iSHARES TRUST | 388,780 | 48.6% | EDGAR |
| SC 13G | 2008-02-01 | WACHOVIA CORP NEW | iSHARES TRUST | 3,878,512 | 12.5% | EDGAR |
| SC 13G | 2008-02-01 | WACHOVIA CORP NEW | iSHARES TRUST | 4,286,441 | 16.9% | EDGAR |
| SC 13G | 2008-02-01 | WACHOVIA CORP NEW | iSHARES TRUST | 1,048,738 | 12.5% | EDGAR |
| SC 13G | 2008-02-01 | WACHOVIA CORP NEW | iSHARES TRUST | 7,693,250 | 5.9% | EDGAR |
| SC 13G | 2008-02-01 | WACHOVIA CORP NEW | iSHARES TRUST | 796,163 | 44.2% | EDGAR |
| SC 13G | 2008-02-01 | WACHOVIA CORP NEW | iSHARES TRUST | 425,765 | 38.7% | EDGAR |