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
	Mar. 31, 2021	Mar. 31, 2020
Numerator:
Net (loss) income attributable to PQ Group Holdings Inc.	$ (92,635)	$ 224
Denominator:
Weighted average shares outstanding – Basic (shares)	136,006,082	135,240,897
Weighted average shares outstanding – Diluted (shares)	136,006,082	136,086,082
Net loss per share:
Basic loss per share	$ (0.68)	$ 0.00
Diluted loss per share	$ (0.68)	$ 0.00

- 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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