Earnings Per Share

12 Months Ended

Dec. 31, 2022

The following table summarizes earnings per share calculations for the years ended December 31, 2022, 2021 and 2020:


	2022		2021		2020
Basic earnings per common share
Net (loss) income attributable to Quaker Chemical Corporation	$	(15,931)	$	121,369	$	39,658
Less: loss (income) allocated to participating securities	92		(480)		(148)
Net (loss) income available to common shareholders	$	(15,839)	$	120,889	$	39,510
Basic weighted average common shares outstanding	17,841,487		17,805,034		17,719,792
Basic (loss) earnings per common share	$	(0.89)	$	6.79	$	2.23

Diluted earnings per common share
Net (loss) income attributable to Quaker Chemical Corporation	$	(15,931)	$	121,369	$	39,658
Less: loss (income) allocated to participating securities	92		(479)		(148)
Net (loss) income available to common shareholders	$	(15,839)	$	120,890	$	39,510
Basic weighted average common shares outstanding	17,841,487		17,805,034		17,719,792
Effect of dilutive securities	15,005		50,090		31,087
Diluted weighted average common shares outstanding	17,856,492		17,855,124		17,750,879
Diluted (loss) earnings per common share	$	(0.89)	$	6.77	$	2.22

Certain stock options, restricted stock units and PSUs are not included in the diluted earnings per share calculation when the effect would have been anti-dilutive. The calculated amount of anti-diluted shares not included were 28,222 in 2022, 4,070 in 2021 and 945 in 2020.