Three Months Ended

Six Months Ended

June 30,

2019

2018

2019

2018

Basic earnings per common share

Net income attributable to Quaker Chemical Corporation

$

15,591

$

19,246

$

29,435

$

31,978

Less: income allocated to participating securities

(34)

(83)

(81)

(147)

Net income available to common shareholders

$

15,557

$

19,163

$

29,354

$

31,831

Basic weighted average common shares outstanding

13,304,248

13,267,504

13,297,953

13,256,327

Basic earnings per common share

$

1.17

$

1.44

$

2.21

$

2.40

Diluted earnings per common share

Net income attributable to Quaker Chemical Corporation

$

15,591

$

19,246

$

29,435

$

31,978

Less: income allocated to participating securities

(34)

(83)

(81)

(147)

Net income available to common shareholders

$

15,557

$

19,163

$

29,354

$

31,831

Basic weighted average common shares outstanding

13,304,248

13,267,504

13,297,953

13,256,327

Effect of dilutive securities

48,007

29,884

47,362

31,619

Diluted weighted average common shares outstanding

13,352,255

13,297,388

13,345,315

13,287,946

Diluted earnings per common share

$

1.17

$

1.44

$

2.20

$

2.40