EX-12.(A) 9 noc-12312012xex12a.htm COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES NOC-12312012-EX12(a)
EXHIBIT 12(a)

NORTHROP GRUMMAN CORPORATION
COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

 
Year Ended December 31
$ in millions
2012
2011
2010
2009
2008
Earnings:
 
 
 
 
 
Earnings from continuing operations before income taxes
        $
2,965

        $
3,083

        $
2,366

        $
2,070

        $
1,841

Fixed Charges:
 
 
 
 
 
Interest expense, including amortization of debt premium
212

221

269

269

271

Portion of rental expenses on operating leases deemed to be representative of the interest factor
116

140

149

167

177

Earnings from continuing operations before income taxes and fixed charges
        $
3,293

        $
3,444

        $
2,784

        $
2,506

        $
2,289

Fixed Charges:
        $
328

        $
361

        $
418

        $
436

        $
448

Ratio of earnings to fixed charges
10.0

9.5

6.7

5.7

5.1