EX-7.1 11 u52491exv7w1.htm EX-7.1 exv7w1
 

Exhibit 7.1
Ratio of earnings to fixed charges
                                         
    As of December 31,
(US$ millions, except ratios)   2006   2005   2004   2003   2002
Income from continuing operations before taxes
     255.5       50.2       21.0       230.8       48.4  
Fixed charges:
                                        
Interest expense
     16.7       17.2       18.7       17.2       2.0  
Interest portion of rental expense
     3.5       3.4       3.7       3.1       2.7  
 
                                        
Income from continuing operating before taxes plus fixed charges
     275.7       70.8       43.4       251.1       53.1  
 
                                        
Fixed charges
                                        
Interest expense
     16.7       17.2       18.7       17.2       2.0  
Interest portion of rental expense
     3.5       3.4       3.7       3.1       2.7  
 
                                        
Total fixed charges
     20.2       20.6       22.4       20.3       4.7  
 
                                        
Ratio of earnings to fixed charges
     13.6       3.4       1.9       12.4       11.3  
The ratio of earnings to fixed charges is calculated by taking the sum of income (loss) before taxes plus fixed charges divided by fixed charges. Fixed charges consist of interest expense and the interest portion of rental expense.