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

Quarterly report pursuant to Section 13 or 15(d)

Calculation of Basic and Diluted Earnings per Share (Details)

Calculation of Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Numerator:
Net income attributable to PQ Group Holdings Inc.	$ 7,512	$ 26,713	$ 23,662	$ 60,438
Denominator:
Weighted average shares outstanding – Basic (shares)	135,106,969	134,511,819	135,292,163	134,213,571
Weighted average shares outstanding – Diluted (shares)	135,979,118	135,649,710	136,188,033	135,305,370
Net income per share:
Basic income per share (usd per share)	$ 0.06	$ 0.20	$ 0.17	$ 0.45
Diluted income per share (usd per share)	$ 0.06	$ 0.20	$ 0.17	$ 0.45

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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