| · | [Silicon]Ferro Silicon in USA Market | 4/16/2012 |
| · | [Silicon]Ferro Silicon in EU Market | 4/16/2012 |
| · | [Silicon]Silicon Metal in USA Market | 4/16/2012 |
| · | [Silicon]Silicon Metal in EU Market | 4/16/2012 |
| · | [Silicon]Silicon Metal in EU Market | 4/13/2012 |
| · | [Silicon]Ferro Silicon in USA Market | 4/12/2012 |
| · | [Silicon]Ferro Silicon in EU Market | 4/12/2012 |
| · | [Silicon]Silicon Metal in USA Market | 4/12/2012 |
| · | [Silicon]Silicon Metal in EU Market | 4/12/2012 |
| · | [Silicon]Ferro Silicon in USA Market | 4/11/2012 |
| · | [Silicon]Ferro Silicon in EU Market | 4/11/2012 |
| · | [Silicon]Silicon Metal in EU Market | 4/11/2012 |
| · | [Silicon]Silicon Metal in USA Market | 4/10/2012 |
| · | [Silicon]Silicon Metal in EU Market | 4/10/2012 |
| · | [Silicon]Ferro Silicon in USA Market | 4/9/2012 |