Earnings Attributable to Ecolab Per Common Share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Attributable to Ecolab Per Common Share

Computations of the basic and diluted earnings attributable to Ecolab per share amounts

	First Quarter Ended
	March 31
(millions, except per share amounts)	2015		2014
Net income attributable to Ecolab	$	233.4	$	191.0
Weighted-average common shares outstanding
Basic	298.2		300.6
Effect of dilutive stock options, units and awards	5.0		5.9
Diluted	303.2		306.5
Earnings attributable to Ecolab per common share
Basic	$	0.78	$	0.64
Diluted	$	0.77	$	0.62
Anti-dilutive stock options, units and awards excluded from computation of earnings per share	1.9		1.8