Three Months Ended

March 31,

2020

2019

Basic (loss) earnings per common share

Net (loss) income attributable to Quaker Chemical Corporation

$

(28,381)

$

13,844

Less: loss (income) allocated to participating securities

101

(46)

Net (loss) income available to common shareholders

$

(28,280)

$

13,798

Basic weighted average common shares outstanding

17,672,525

13,291,589

Basic (loss) earnings per common share

$

(1.60)

$

1.04

Diluted (loss) earnings per common share

Net (loss) income attributable to Quaker Chemical Corporation

$

(28,381)

$

13,844

Less: loss (income) allocated to participating securities

101

(46)

Net (loss) income available to common shareholders

$

(28,280)

$

13,798

Basic weighted average common shares outstanding

17,672,525

13,291,589

Effect of dilutive securities

—

46,901

Diluted weighted average common shares outstanding

17,672,525

13,338,490

Diluted (loss) earnings per common share

$

(1.60)

$

1.03