Xylem (XYL) S-4 Registration of securities issued in business combination transactions

Exhibit 12

RATIO OF EARNINGS TO FIXED CHARGES

	Three Months Ended March 31,				Years Ended December 31, Historical
	2012		2011		2011		2010		2009		2008		2007
	(In Millions, Except Ratios)
Fixed Charges:
Interest Expense, Including Amortization of Deferred Finance Fees	$	14	$	—	$	17	$	—	$	—	$	2	$	1
Interest Portion of Rental Expense (1)		4		5		21		18		16		16		13
Total Fixed Charges		18		5		38		18		16		18		14
Earnings (Loss) Before Income Taxes, Discontinued Operations and Fixed Charges:
Pre-tax income before income or loss from equity investees		83		100		379		387		277		313		276
Fixed Charges		18		5		38		18		16		18		14
Total Earnings Available For Fixed Charges	$	101	$	105	$	417	$	405	$	293	$	331	$	290
Ratio of Earnings to Fixed Charges:		5.6		21.0		10.9		22.7		18.9		18.9		20.9

(1) Calculated as 33% of rent expense, which is a reasonable approximation of the interest factor.