Cameron International 8-K Entry into a Material Definitive Agreement

Exhibit 12.1

CAMERON INTERNATIONAL CORPORATION
COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
(Amounts in millions of dollars)

	2006			2007			2008			2009			2010		THREE MONTHS ENDED 3/31/2011
Pre-tax income from continuing operations	$	474.3		$	688.0		$	851.4		$	642.8		$	733.3	$	139.9
Equity adjustments:
Deduct undistributed income of less than 50% owned entities	(0.9		)	(4.1		)	(4.1		)	(3.5		)	—		(1.9		)
Amortization of capitalized interest	0.2			0.2			0.2			0.2			0.2		—
Less interest capitalized during the period	—			—			—			—			—		—
Fixed charges:
Interest, including amortization of debt issuance costs and original issue discount	35.0			43.8			70.3			92.4			82.2		20.7
Interest portion of rental expense (1)	7.7			10.1			10.0			12.4			16.6		3.2
Total fixed charges	42.7			53.9			80.3			104.8			98.8		23.9
Earnings before income taxes and fixed charges	$	516.3		$	738.0		$	927.8		$	744.3		$	832.3	$	161.9
Ratio of earnings to fixed charges	12.1			13.7			11.6			7.1			8.4		6.8

(1) The portion of rent included in the calculation is believed to be a reasonable approximation of the interest factor.