EX-12.A 14 v58707exv12wa.htm EX-12.A exv12wa
NORTHROP GRUMMAN CORPORATION
EXHIBIT 12(a)
NORTHROP GRUMMAN CORPORATION
COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES
                                                         
    Three Months                                        
    Ended March 31   Year Ended December 31
    2011   2010(1)   2010   2009   2008   2007   2006
     
Earnings:
                                                        
Earnings (loss) from continuing operations before income taxes
   $ 758     $ 609     $ 2,366     $ 2,073       1,841     $ 2,158     $ 1,895  
     
Fixed Charges:
                                                        
Interest expense, including amortization of debt premium
     58       77       269       269       271       312       337  
Portion of rental expenses on operating leases deemed to be representative of the interest factor
     35       39       149       167       177       177       162  
     
Earnings (loss) from continuing operations before income taxes and fixed charges
     851       725       2,784       2,509       2,289       2,647       2,394  
Fixed Charges:
     93       116       418       436       448       489       499  
     
Ratio of earnings to fixed charges
    9.2       6.3       6.7       5.8       5.1       5.4       4.8  
     
 
 
(1)   Certain prior-period information has been reclassified to conform to the current year’s presentation, including the effect of the spin-off of Shibuilding.