Basic:

Weighted average common shares outstanding

15,391,535

15,297,435

15,371,150

15,317,319

Net income attributable to National HealthCare Corporation

$

26,844

$

16,281

$

53,057

$

28,004

Earnings per common share, basic

$

1.74

$

1.06

$

3.45

$

1.83

Diluted:

Weighted average common shares outstanding

15,391,535

15,297,435

15,371,150

15,317,319

Effects of dilutive instruments

164,077

24,909

159,474

21,921

Weighted average common shares outstanding

15,555,612

15,322,344

15,530,624

15,339,240

Net income attributable to National HealthCare Corporation

$

26,844

$

16,281

$

53,057

$

28,004

Earnings per common share, diluted

$

1.73

$

1.06

$

3.42

$

1.83