YEAR-OVER-YEAR COMPARISONS EARNINGS PER SHARE BY QUARTER
(in dollars)




FIVE-YEAR SUMMARY

(in thousands, except per share amounts and employees) 2000 2001 2002 2003 2004
Net Sales ** $ 146,469 $ 163,748 $ 216,764 $ 238,140 $ 242,467
Cost of Product Sold 69,414 79,547 108,153 115,928 116,944
Gross Profit 77,055 84,201 108,611 122,212 125,523
Operating Expenses 45,432 56,112 66,245 72,460 80,074
Interest and Other Income, Net (495) (2,508) (6,555) (6,357) (6,596)
Income Before Income Taxes 31,128 25,581 35,811 43,395 38,853
Provision for Income Taxes 10,570 8,698 11,135 14,754 13,210
Net Income 20,558 16,883 24,676 28,641 25,643
Cumulative Effect of Accounting Change   (980)      
Earnings per Share (diluted) 1.33 1.02* 1.53 1.71 1.50
Dividends per Share 1.28 1.18 0.94 0.80 0.80
Total Assets 84,950 166,712 215,045 236,658 236,775
Number of Employees 184 227 211 213 215