Earnings Attributable to Ecolab Per Common Share

9 Months Ended

Sep. 30, 2015

Earnings Attributable to Ecolab Per Common Share

Earnings Attributable to Ecolab Per Common Share

11.Earnings Attributable to Ecolab Per Common Share

The difference in the weighted average common shares outstanding for calculating basic and diluted earnings attributable to Ecolab per common share is a result of the dilution associated with the company’s equity compensation plans. As noted in the table below, certain stock options, units and awards outstanding under these equity compensation plans were not included in the computation of diluted earnings attributable to Ecolab per common share because they would not have had a dilutive effect.

The computations of the basic and diluted earnings attributable to Ecolab per common share amounts were as follows:

	Third Quarter Ended				Nine Months Ended
	September 30				September 30
(millions, except per share amounts)	2015		2014		2015		2014
Net income attributable to Ecolab	$	257.8	$	364.9	$	793.2	$	867.3
Weighted-average common shares outstanding
Basic	295.2		300.0		296.5		300.1
Effect of dilutive stock options, units and awards	4.8		5.7		5.0		5.9
Diluted	300.0		305.7		301.5		306.0
Earnings attributable to Ecolab per common share
Basic	$	0.87	$	1.22	$	2.67	$	2.89
Diluted	$	0.86	$	1.19	$	2.63	$	2.83
Anti-dilutive securities excluded from computation of earnings per share	1.6		—		1.6		1.5