Exhibit 12
MEMC Electronic Materials, Inc.
Computation of Ratio of Earnings to Fixed Charges
| Six Months Ended 6/30/2011 |
Twelve Months Ended December 31, | |||||||||||||||||||||||
| In millions, except ratios | 2010 | 2009 | 2008 | 2007 | 2006 | |||||||||||||||||||
| Earnings: |
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| Income (loss) before income tax expense, equity in earnings or loss of joint venture, and adjustment for noncontrolling interests |
$ | 40.4 | $ | (12.5 | ) | $ | (100.2 | ) | $ | 585.0 | $ | 1,111.8 | $ | 590.5 | ||||||||||
| Add: Fixed Charges (from below) |
37.2 | 37.6 | 7.0 | 4.5 | 4.1 | 4.9 | ||||||||||||||||||
| Add: Amortization of capitalized interest |
0.3 | 0.3 | 0.1 | 0.1 | 0.1 | — | ||||||||||||||||||
| Subtract: Capitalized interest |
5.5 | 5.1 | 0.4 | 0.8 | 1.0 | 0.7 | ||||||||||||||||||
| Subtract: Noncontrolling interest in pre-tax income of subsidiaries that have not incurred fixed charges |
0.3 | — | — | — | — | — | ||||||||||||||||||
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| $ | 72.1 | $ | 20.3 | $ | (93.5 | ) | $ | 588.8 | $ | 1,115.0 | $ | 594.7 | ||||||||||||
| Fixed Charges: |
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| Interest expense (including amortization of debt issuance costs) |
$ | 30.2 | $ | 29.0 | $ | 4.0 | $ | 1.8 | $ | 1.4 | $ | 2.4 | ||||||||||||
| Add: Capitalized interest |
5.5 | 5.1 | 0.4 | 0.8 | 1.0 | 0.7 | ||||||||||||||||||
| Add: Portion of rental expense representative of interest factor |
1.5 | 3.5 | 2.6 | 1.9 | 1.7 | 1.8 | ||||||||||||||||||
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| $ | 37.2 | $ | 37.6 | $ | 7.0 | $ | 4.5 | $ | 4.1 | $ | 4.9 | |||||||||||||
| Ratio of earnings to fixed charges: |
1.9 | (A | ) | (B | ) | 130.8 | 272.0 | 121.4 | ||||||||||||||||
| (A) | The ratio of earnings to fixed charges was less than one-to-one for the year ended December 31, 2010. Earnings were insufficient to cover fixed charges by $17.3 million |
| (B) | The ratio of earnings to fixed charges was less than one-to-one for the year ended December 31, 2009. Earnings were insufficient to cover fixed charges by $100.5 million. |