Earnings Per Share of Common Stock

12 Months Ended

Dec. 31, 2015

EARNINGS PER SHARE OF COMMON STOCK

Set forth below is a reconciliation of the numerator and denominator for basic and diluted earnings per share calculations for the periods indicated:



	2015			2014			2013
Numerator:
Income from continuing operations after income taxes attributable to DuPont	$	1,889		$	3,135		$	2,193
Preferred dividends	(10		)	(10		)	(10		)
Income from continuing operations after income taxes available to DuPont common stockholders	$	1,879		$	3,125		$	2,183

Income from discontinued operations after income taxes	$	64		$	490		$	2,655

Net income available to common stockholders	$	1,943		$	3,615		$	4,838

Denominator:
Weighted-average number of common shares outstanding – Basic	893,992,000			914,752,000			925,984,000
Dilutive effect of the company's equity compensation plans	5,535,000			7,121,000			7,163,000
Weighted-average number of common shares outstanding – Diluted	899,527,000			921,873,000			933,147,000

The weighted-average number of common shares outstanding in 2015 and 2014 decreased as a result of the company's repurchase and retirement of its common stock, partially offset by the issuance of new shares from the company's equity compensation plans(see Notes 17 and 19, respectively).

The following average number of stock options are antidilutive and therefore, are not included in the diluted earnings per share calculation:

The change in the average number of stock options that were antidilutive in 2015 and 2014 was due to changes in the company's average stock price.

Average number of stock options