EX-12.1 2 a2220036zex-12_1.htm EX-12.1
QuickLinks -- Click here to rapidly navigate through this document


EXHIBIT 12.1

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

        For the three months ended March 31, 2014 and 2013, the computation of ratio of earnings to fixed charges is as follows (dollars in thousands):

 
   Three Months Ended
March 31, 		 
 
   2014   2013  

Earnings:

              

Income before taxes

   $ 101,874   $ 93,603  

Fixed charges

     63,145     59,496  
           
​ ​ ​ ​ ​ ​ ​ ​

Total earnings

   $ 165,019   $ 153,099  
           
​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​
           

Fixed charges:

              

Interest expense inclusive of amortized premiums, discounts and capitalized expenses related to indebtedness

   $ 63,128   $ 59,475  

Estimate of the interest component of rental expense

     17     21  
           
​ ​ ​ ​ ​ ​ ​ ​

Total fixed charges

   $ 63,145   $ 59,496  
           
​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​
           

Ratio of earnings to fixed charges

     2.61     2.57  
           
​ ​ ​ ​ ​ ​ ​ ​
​ ​ ​ ​ ​ ​ ​ ​
           



QuickLinks

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES