The following table sets forth the calculation of basic and diluted net earnings per common share for the years ended December 31 ($ in millions, except per share data):



	2014		2013		2012
Earnings attributable to Centene Corporation:
Earnings from continuing operations, net of tax	$	268	$	161	$	89
Discontinued operations, net of tax	3		4		(87		)
Net earnings	$	271	$	165	$	2

Shares used in computing per share amounts:
Weighted average number of common shares outstanding	116,345,764		108,253,090		103,018,732
Common stock equivalents (as determined by applying the treasury stock method)	4,014,448		4,241,256		4,410,018
Weighted average number of common shares and potential dilutive common shares outstanding	120,360,212		112,494,346		107,428,750

Net earnings per common share attributable to Centene Corporation:
Basic:
Continuing operations	$	2.30	$	1.49	$	0.86
Discontinued operations	0.03		0.03		(0.84		)
Basic earnings per common share	$	2.33	$	1.52	$	0.02

Diluted:
Continuing operations	$	2.23	$	1.43	$	0.83
Discontinued operations	0.02		0.04		(0.81		)
Diluted earnings per common share	$	2.25	$	1.47	$	0.02