EARNINGS PER SHARE

A computation of (loss) earnings per share and weighted average shares of the Company's common stock outstanding for the three and nine months ended September 30, 2017 and 2016 follows:



	Three Months Ended September 30,						Nine Months Ended September 30,
(amounts in millions, except per share amounts)	2017			2016			2017			2016
Net (loss) income attributable to common stockholders	$	(69.2	)	$	104.7		$	(154.7	)	$	(39.0	)
Numerator adjustments for diluted EPS:
Gain on settlement agreement related to Series B Convertible Preferred Stock	—			(103.0		)	—			(103.0		)
Gain on amendment of Series B Convertible Preferred Stock	—			(32.9		)	—			(32.9		)
Remeasurement adjustment associated with the Preferred Series B redemption liability	—			(6.0		)	—			(6.0		)
Income allocated to PDH non-controlling interest	—			(1.5		)	—			—
Net loss attributable to common stockholders for diluted EPS	$	(69.2	)	$	(38.7	)	$	(154.7	)	$	(180.9	)

Basic weighted average common shares outstanding	286.7			234.4			285.8			231.2
Denominator adjustments for diluted EPS:
Assumed conversion related to the amendment of Series B preferred shares	—			17.1			—			20.4
Assumed settlement of preferred stock redemption liability	—			5.0			—			1.7
Issuable upon conversion of the PDH non-controlling interest	—			8.0			—			—
Share adjustments	—			30.1			—			22.1
Dilutive weighted average common shares outstanding	286.7			264.5			285.8			253.3

(Loss) earnings per share attributable to common stockholders:
Basic	$	(0.24	)	$	0.45		$	(0.54	)	$	(0.17	)
Diluted	$	(0.24	)	$	(0.15	)	$	(0.54	)	$	(0.71	)

Dividends per share paid to common stockholders	$	—		$	—		$	—		$	—

For the three and nine months ended September 30, 2017 and 2016, the following securities were not included in the computation of diluted shares outstanding because the effect would be anti-dilutive or because performance targets were not yet achieved for awards contingent upon performance:



	Three Months Ended September 30,		Nine Months Ended September 30,
(amounts in thousands)	2017	2016	2017	2016
Shares issuable upon conversion of PDH Common Stock	5,394	—	6,299	8,023
Shares issuable upon conversion of Series A Preferred Stock	2,000	2,000	2,000	2,000
Shares issuable for the contingent consideration	7,488	9,262	6,655	8,820
Shares issuable upon vesting and exercise of stock options	56	—	63	—
Shares issuable upon vesting of RSUs	921	186	836	110
Shares issuable under the ESPP	2	1	3	3
	15,861	11,449	15,856	18,956