(In thousands, except share and per share amounts)

Three Months Ended June 30,

Six Months Ended June 30,

2020

2019

2020

2019

Numerator:

Net income attributable to BOK Financial Corp. shareholders

$

64,693

$

137,563

$

126,772

$

248,175

Less: Earnings allocated to participating securities

397

850

740

1,678

Numerator for basic earnings per share – income available to common shareholders

64,296

136,713

126,032

246,497

Effect of reallocating undistributed earnings of participating securities

—

Numerator for diluted earnings per share – income available to common shareholders

$

64,296

$

136,713

$

126,032

$

246,497

Denominator:

Weighted average shares outstanding

70,307,606

71,327,928

70,410,707

71,625,332

Less: Participating securities included in weighted average shares outstanding

431,563

440,865

410,842

489,918

Denominator for basic earnings per common share

69,876,043

70,887,063

69,999,865

71,135,414

Dilutive effect of employee stock compensation plans¹

1,424

14,970

3,952

16,144

Denominator for diluted earnings per common share

69,877,467

70,902,033

70,003,817

71,151,558

Basic earnings per share

$

0.92

$

1.93

$

1.80

$

3.47

Diluted earnings per share

$

0.92

$

1.93

$

1.80

$

3.46

¹ Excludes employee stock options with exercise prices greater than current market price.

22,238

—