Year Ended December 31,

2012

2011

2010

(in thousands except share and per share data)

BASIC EPS COMPUTATION

Numerator:

Net income, Class A

$

14,877

$

13,023

$

10,557

Net income, Class B

4,162

3,670

3,017

Denominator:

Weighted average shares outstanding, Class A

3,557,693

3,543,233

3,521,179

Weighted average shares outstanding, Class B

1,990,474

1,997,411

2,012,327

Basic EPS, Class A

$

4.18

$

3.68

$

3.00

Basic EPS, Class B

2.09

1.84

1.50

DILUTED EPS COMPUTATION

Numerator:

Net income, Class A

$

14,877

$

13,023

$

10,557

Net income, Class B

4,162

3,670

3,017

Total net income, for diluted EPS, Class A computation

19,039

16,693

13,574

Denominator:

Weighted average shares outstanding, basic, Class A

3,557,693

3,543,233

3,521,179

Weighted average shares outstanding, Class B

1,990,474

1,997,411

2,012,327

Dilutive effect of Class A stock options

1,024

1,150

2,236

Weighted average shares outstanding diluted, Class A

5,549,191

5,541,794

5,535,742

Weighted average shares outstanding, Class B

1,990,474

1,997,411

2,012,327

Diluted EPS, Class A

$

3.43

$

3.01

$

2.45

Diluted EPS, Class B

2.09

1.84

1.50