Exhibit 12.1
KOPPERS HOLDINGS INC.
RATIO OF EARNINGS TO FIXED CHARGES
(Dollars in millions, except ratios)
| 2007 | 2008 | 2009 | 2010 | 2011 | Three months ended March 31, 2012 | |||||||||||||||||||
Earnings: | ||||||||||||||||||||||||
Income from continuing operations before taxes | $ | 79.5 | $ | 90.0 | $ | 35.5 | $ | 73.8 | $ | 52.5 | $ | 23.0 | ||||||||||||
Deduct: Equity earnings net of dividends | (0.2 | ) | (0.6 | ) | (0.8 | ) | 0.0 | 0.2 | 0.5 | |||||||||||||||
Deduct: Pre-tax income of noncontrolling interests | 3.1 | 0.8 | 3.4 | 0.5 | 0.9 | 0.4 | ||||||||||||||||||
Add: Fixed charges | 55.5 | 53.5 | 71.6 | 40.3 | 40.8 | 10.5 | ||||||||||||||||||
Earnings as defined | $ | 132.1 | $ | 143.3 | $ | 104.5 | $ | 113.6 | $ | 92.2 | $ | 32.6 | ||||||||||||
Fixed charges: | ||||||||||||||||||||||||
Interest expensed | $ | 45.9 | $ | 41.4 | $ | 58.7 | $ | 27.1 | $ | 27.2 | $ | 6.9 | ||||||||||||
Interest capitalized | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | ||||||||||||||||||
Other | 0.0 | 0.4 | 0.5 | 0.0 | 0.0 | 0.0 | ||||||||||||||||||
Rents | 31.1 | 39.0 | 41.5 | 42.5 | 43.8 | 11.6 | ||||||||||||||||||
Interest factor | 31 | % | 31 | % | 31 | % | 31 | % | 31 | % | 31 | % | ||||||||||||
Estimated interest component of rent | 9.6 | 12.1 | 12.9 | 13.2 | 13.6 | 3.6 | ||||||||||||||||||
Total fixed charges | $ | 55.8 | $ | 53.9 | $ | 72.1 | $ | 40.3 | $ | 40.8 | $ | 10.5 | ||||||||||||
Ratio of earnings to fixed charges | 2.37 | 2.66 | 1.45 | 2.82 | 2.26 | 3.10 | ||||||||||||||||||