Earnings per Share (Tables)

12 Months Ended

Dec. 31, 2022

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:


	Years ended December 31,
	2022	2021	2020
Weighted average shares outstanding – Basic	133,601,322	136,167,384	135,528,977
Dilutive effect of unvested common shares and restricted stock units with service conditions, performance stock units considered probable of vesting and assumed stock option exercises and conversions	1,486,850	1,541,547	921,976
Weighted average shares outstanding – Diluted	135,088,172	137,708,931	136,450,953

Schedule of Earnings Per Share, Basic and Diluted

Basic and diluted income (loss) per share are calculated as follows:


	Years ended December 31,
	2022		2021		2020
Numerator:
Income from continuing operations attributable to Ecovyst Inc.	$	69,795	$	1,794	$	54,280
Income (loss) from discontinued operations attributable to Ecovyst Inc.	3,902		(141,743)		(333,051)
Net income (loss) attributable to Ecovyst Inc.	$	73,697	$	(139,949)	$	(278,771)

Denominator:
Weighted average shares outstanding – Basic	133,601,322		136,167,384		135,528,977
Weighted average shares outstanding – Diluted	135,088,172		137,708,931		136,450,953

Net income (loss) per share:
Basic income per share - continuing operations	$	0.52	$	0.01	$	0.40
Diluted income per share - continuing operations	$	0.52	$	0.01	$	0.40
Basic (loss) income per share - discontinued operations	$	0.03	$	(1.04)	$	(2.46)
Diluted (loss) income per share - discontinued operations	$	0.03	$	(1.03)	$	(2.44)
Basic income (loss) per share	$	0.55	$	(1.03)	$	(2.06)
Diluted income (loss) per share	$	0.55	$	(1.02)	$	(2.04)

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The table below presents the details of the Company’s weighted average equity-based awards outstanding during each respective year that were excluded from the calculation of diluted earnings per share:


	Years ended December 31,
	2022	2021	2020
Restricted stock awards with performance only targets not yet achieved	539,688	839,432	1,225,855
Stock options with performance only targets not yet achieved	309,984	373,105	507,461
Anti-dilutive restricted stock awards, restricted stock units and performance stock units	20,497	6,214	1,453,120
Anti-dilutive stock options	776,594	244,473	846,049