EARNINGS PER SHARE (Tables)

9 Months Ended

Sep. 30, 2013

EARNINGS PER SHARE

Schedule of computations of basic and diluted earnings per share

	Three Months Ended September 30,				Nine Months Ended September 30,
(In millions, except per share data)	2013		2012		2013		2012
Numerator
Net income attributable to Axiall	$	39.0	$	39.3	$	108.3	$	88.2
Less: Net income attributable to participating securities		-		0.2		0.1		0.8
Net income attributable to common stockholders	$	39.0	$	39.1	$	108.2	$	87.4
Denominator
Weighted average common shares outstanding—Basic		69.9		34.5		66.4		34.4
Plus: Dilutive effect of stock options and awards		0.5		0.4		0.4		0.2
Weighted average common shares outstanding—Diluted		70.4		34.9		66.8		34.6
Earnings per common share from net income attributable to Axiall's common stockholders:
Basic	$	0.56	$	1.13	$	1.63	$	2.54
Diluted	$	0.55	$	1.12	$	1.62	$	2.53