Earnings Per Share

12 Months Ended

Dec. 31, 2023

The following table summarizes earnings per share calculations for the years ended December 31, 2023, 2022 and 2021:


	2023		2022		2021
Basic earnings per common share
Net income (loss) attributable to Quaker Chemical Corporation	$	112,748	$	(15,931)	$	121,369
Less: (income) loss allocated to participating securities	(555)		92		(480)
Net income (loss) available to common shareholders	$	112,193	$	(15,839)	$	120,889
Basic weighted average common shares outstanding	17,892,461		17,841,487		17,805,034
Basic earnings (loss) per common share	$	6.27	$	(0.89)	$	6.79

Diluted earnings per common share
Net income (loss) attributable to Quaker Chemical Corporation	$	112,748	$	(15,931)	$	121,369
Less: (income) loss allocated to participating securities	(554)		92		(479)
Net income (loss) available to common shareholders	$	112,194	$	(15,839)	$	120,890
Basic weighted average common shares outstanding	17,892,461		17,841,487		17,805,034
Effect of dilutive securities	22,348		15,005		50,090
Diluted weighted average common shares outstanding	17,914,809		17,856,492		17,855,124
Diluted earnings (loss) per common share	$	6.26	$	(0.89)	$	6.77

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 10,621 in 2023, 28,222 in 2022 and 4,070 in 2021.