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| · | [Silicon]Ferro Silicon in EU Market | 5/25/2011 |
| · | [Silicon]Silicon Metal in USA Market | 5/25/2011 |
| · | [Silicon]Silicon Metal in EU Market | 5/25/2011 |
| · | [Silicon]Silicon Metal in USA Market | 5/24/2011 |
| · | [Silicon]Silicon Metal in EU Market | 5/24/2011 |
| · | [Silicon]Ferro Silicon in USA Market | 5/23/2011 |
| · | [Silicon]Ferro Silicon in EU Market | 5/23/2011 |
| · | [Silicon]Silicon Metal in USA Market | 5/23/2011 |
| · | [Silicon]Silicon Metal in EU Market | 5/23/2011 |
| · | [Silicon]Ferro Silicon in USA Market | 5/20/2011 |
| · | [Silicon]Ferro Silicon in EU Market | 5/20/2011 |
| · | [Silicon]Silicon Metal in USA Market | 5/20/2011 |
| · | [Silicon]Silicon Metal in EU Market | 5/20/2011 |
| · | [Silicon]Ferro Silicon in USA Market | 5/19/2011 |