For the Quarter Ended

March 31,
2013

June 30,
2013

September
30, 2013

December
31, 2013

Net sales revenue

$

96,479

$

93,675

$

92,458

$

95,484

Cost of sales

(24,445

)

(22,630

)

(23,655

)

(24,084

)

Gross profit

72,034

71,045

68,803

71,400

Volume incentives

34,975

34,525

33,920

35,062

Selling, general and administrative

30,117

28,709

28,170

33,747

Operating income

6,942

7,811

6,713

2,591

Other income (expense)

330

1,482

(269

)

53

Income before income taxes

7,272

9,293

6,444

2,644

Tax provision

2,408

3,241

1,594

801

Net income

$

4,864

$

6,052

$

4,850

$

1,843

Basic and diluted net income per common share

Basic:

Net income per common share

$

0.31

$

0.38

$

0.30

$

0.11

Diluted:

Net income per common share

$

0.30

$

0.38

$

0.29

$

0.11

Dividends declared per common share

$

0.10

$

0.10

$

1.60

$

0.10

For the Quarter Ended

March 31,
2012

June 30,
2012

September
30, 2012

December
31, 2012

Net sales revenue

$

92,868

$

92,991

$

91,232

$

90,377

Cost of sales

(23,729

)

(22,610

)

(23,144

)

(23,841

)

Gross profit

69,139

70,381

68,088

66,536

Volume incentives

33,581

33,540

33,155

32,991

Selling, general and administrative

26,384

26,530

26,228

27,719

Operating income

9,174

10,311

8,705

5,826

Other income (expense)

(110

)

165

(214

)

1,639

Income before income taxes

9,064

10,476

8,491

7,465

Tax provision

1,836

3,190

2,121

2,969

Net income

$

7,228

$

7,286

$

6,370

$

4,496

Basic and diluted net income per common share

Basic:

Net income per common share

$

0.46

$

0.47

$

0.41

$

0.28

Diluted:

Net income per common share

$

0.46

$

0.46

$

0.40

$

0.28

Dividends declared per common share

$

—

$

0.05

$

0.05

$

0.05