Exhibit 12.1
Ratio of Earnings to Fixed Charges
                                                         
    (Unaudited)    
    Three Months Ended    
    March 31,   Twelve Months Ended December 31,
(in thousands of dollars)   2007   2006   2006   2005   2004   2003   2002
 
Earnings:
                                                       
Income before taxes
  $ 129,254     $ 145,259     $ 514,061     $ 543,574     $ 552,666     $ 523,987     $ 522,705  
 
Add: Fixed charges, excluding interest on deposits
    85,524       75,519       345,253       243,239       191,648       179,903       169,788  
 
Earnings available for fixed charges, excluding interest on deposits
    214,778       220,778       859,314       786,813       744,314       703,890       692,493  
Add: Interest on deposits
    196,723       148,314       717,167       446,919       257,099       288,271       385,733  
 
Earnings available for fixed charges, including interest on deposits
  $ 411,501     $ 369,092     $ 1,576,481     $ 1,233,732     $ 1,001,413     $ 992,161     $ 1,078,226  
 
 
                                                       
Fixed Charges:
                                                       
Interest expense, excluding interest on deposits
  $ 82,671     $ 72,793     $ 334,175     $ 232,435     $ 178,842     $ 168,499     $ 157,888  
Interest factor in net rental expense
    2,853       2,726       11,078       10,804       12,806       11,405       11,900  
 
Total fixed charges, excluding interest on deposits
    85,524       75,519       345,253       243,239       191,648       179,903       169,788  
Add: Interest on deposits
    196,723       148,314       717,167       446,919       257,099       288,271       385,733  
 
Total fixed charges, including interest on deposits
  $ 282,247     $ 223,833     $ 1,062,420     $ 690,158     $ 448,747     $ 468,174     $ 555,521  
 
 
                                                       
Ratio of Earnings to Fixed Charges
                                                       
Excluding interest on deposits
    2.51x       2.92x       2.49x       3.23x       3.88x       3.91x       4.08x  
Including interest on deposits
    1.46x       1.65x       1.48x       1.79x       2.23x       2.12x       1.94x