Ecovyst, Inc. Quarterly report pursuant to Section 13 or 15(d)

Earnings per Share (Tables)

Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2018

Schedule of from Basic to Diluted Weighted Average Number of Shares Outstanding

The reconciliation from basic to diluted weighted average shares outstanding is as follows:



	Three months ended March 31,
	2018	2017
Weighted average shares outstanding – Basic	133,154,144	103,947,888
Dilutive effect of unvested common shares and restricted stock units with service conditions and assumed stock option exercises and conversions	730,839	—
Weighted average shares outstanding – Diluted	133,884,983	103,947,888

Schedule of Earnings Per Share, Basic and Diluted

Basic and diluted earnings per share are calculated as follows:



	Three months ended March 31,
	2018		2017
Numerator:
Net income (loss) attributable to PQ Group Holdings Inc.	$	214	$	(2,454	)

Denominator:
Weighted average shares outstanding – Basic	133,154,144		103,947,888
Weighted average shares outstanding – Diluted	133,884,983		103,947,888
Net income (loss) per share:
Basic income (loss) per share	$	0.00	$	(0.02	)
Diluted income (loss) per share	$	0.00	$	(0.02	)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The table below presents the details of the Company’s equity-based awards outstanding at the end of each respective period that were excluded from the calculation of diluted earnings per share:



	March 31,
	2018	2017
Restricted stock awards with performance only targets not yet achieved	1,751,022	1,773,693
Stock options with performance only targets not yet achieved	586,253	650,985
Anti-dilutive restricted stock awards and restricted stock units	—	477,720
Anti-dilutive stock options	621,747	1,539,536