Earnings per Share (Tables)

3 Months Ended

Mar. 31, 2023

Earnings Per Share [Abstract]

Reconciliation 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,
	2023	2022
Weighted average shares outstanding – Basic	122,178,867	137,684,773
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	—	1,064,292
Weighted average shares outstanding – Diluted	122,178,867	138,749,065

Schedule of Earnings Per Share, Basic and Diluted

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

	Three months ended March 31,
	2023		2022
Numerator:
Net (loss) income attributable to Ecovyst Inc.	$	(1,471)	$	7,875
Denominator:
Weighted average shares outstanding – Basic	122,178,867		137,684,773
Weighted average shares outstanding – Diluted	122,178,867		138,749,065
Net (loss) income per share:
Basic (loss) income per share	$	(0.01)	$	0.06
Diluted (loss) income per share	$	(0.01)	$	0.06

Schedule of 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 period that were excluded from the calculation of diluted earnings per share:

	Three months ended March 31,
	2023	2022
Restricted stock awards with performance only targets not achieved	200,096	613,903
Stock options with performance only targets not achieved	208,968	326,689
Anti-dilutive restricted stock units and performance stock units(1)	432,308	—
Anti-dilutive stock options(1)	695,777	807,301

(1)Does not include 1,044,098 of restricted stock units and performance stock units, and 352,771 of stock options, for the three months ended March 31, 2023 due to the net loss attributable to Ecovyst Inc. for the period.