| · | [Silicon]Ferro Silicon in Japan Market | 4/20/2012 |
| · | [Silicon]Silicon Metal in EU Market | 4/20/2012 |
| · | [Silicon]Silicon Metal in EU Market | 4/19/2012 |
| · | [Silicon]Ferro Silicon in USA Market | 4/18/2012 |
| · | [Silicon]Ferro Silicon in EU Market | 4/18/2012 |
| · | [Silicon]Silicon Metal in USA Market | 4/18/2012 |
| · | [Silicon]Silicon Metal in EU Market | 4/18/2012 |
| · | [Silicon]Silicon Metal in USA Market | 4/17/2012 |
| · | [Silicon]Silicon Metal in EU Market | 4/17/2012 |
| · | [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 |