| SC 13G/A | 2012-11-13 | Windhaven Investment Management, Inc. | SPDR SERIES TRUST | 22,178,526 | 42.0% | EDGAR |
| SC 13G | 2012-08-10 | FIRST TRUST PORTFOLIOS LP | SPDR SERIES TRUST | 195,007 | 10.3% | EDGAR |
| SC 13G/A | 2012-05-10 | Windhaven Investment Management, Inc. | SPDR SERIES TRUST | 11,239,661 | 33.4% | EDGAR |
| SC 13G/A | 2012-04-23 | National Planning Corp | SPDR SERIES TRUST | 10,377 | 0.5% | EDGAR |
| SC 13G/A | 2012-04-23 | National Planning Corp | SPDR SERIES TRUST | 49,421 | 3.8% | EDGAR |
| SC 13G/A | 2012-04-11 | National Planning Corp | SPDR SERIES TRUST | 229,921 | 12.1% | EDGAR |
| SC 13G/A | 2012-04-11 | National Planning Corp | SPDR SERIES TRUST | 86,098 | 6.6% | EDGAR |
| SC 13G | 2012-04-04 | National Planning Corp | SPDR SERIES TRUST | 229,921 | 12.1% | EDGAR |
| SC 13G | 2012-04-04 | National Planning Corp | SPDR SERIES TRUST | 86,098 | 6.6% | EDGAR |
| SC 13G | 2012-04-04 | Whittier Holdings Inc. | SPDR SERIES TRUST | - | 6.8% | EDGAR |
| SC 13G/A | 2012-03-12 | Windhaven Investment Management, Inc. | SPDR SERIES TRUST | 10,429,810 | 51.1% | EDGAR |
| SC 13G/A | 2012-02-14 | Windhaven Investment Management, Inc. | SPDR SERIES TRUST | 3,486,392 | 26.8% | EDGAR |
| SC 13G/A | 2012-02-14 | Astor Asset Management, LLC | SPDR SERIES TRUST | 1,161,971 | 20.6% | EDGAR |
| SC 13G | 2012-02-14 | FMR LLC | SPDR SERIES TRUST | 733,883 | 5.3% | EDGAR |
| SC 13G | 2012-02-14 | FMR LLC | SPDR SERIES TRUST | 334,725 | 5.9% | EDGAR |
| SC 13G | 2012-02-14 | Invesco Ltd. | SPDR SERIES TRUST | 2,329,075 | 5.1% | EDGAR |
| SC 13G/A | 2012-02-10 | FMR LLC | SPDR SERIES TRUST | 8,825 | 0.2% | EDGAR |
| SC 13G | 2012-01-17 | FIRST TRUST PORTFOLIOS LP | SPDR SERIES TRUST | 175,273 | 5.5% | EDGAR |
| SC 13G/A | 2012-01-13 | FIRST TRUST PORTFOLIOS LP | SPDR SERIES TRUST | 1,106,465 | 5.4% | EDGAR |
| SC 13G/A | 2011-12-12 | Windhaven Investment Management, Inc. | SPDR SERIES TRUST | 3,286,755 | 25.5% | EDGAR |