Current Pricing (CWSI.OB $5.05) Market Cap (Total, All Common Classes) (mil) $190.39 Recent Price – 05/21/08 $5.05 52-Week High $5.50 52-Week Low $2.15 Shares Outstanding Shares Outstanding(mil) 37.7 Diluted Shares, 3/31/08 (mil) 37.5 Volume(average 3 month) 5,133 Valuation Ratios Price to Book (ttm) 7.11 Price/Earnings (ttm) 42.0 Price/sales (ttm) 6.64 Management Effectiveness Current Ratio (mrq) 3.59 Book Value per share (mrq) 0.71 Debt to Equity Ratio (mrq) nil Profitability Ratios (mrq) Gross Profit Margin 25.7% Operating Profit Margin 17.5% Net Profit Margin 12.2% Current Pricing (CWSI.OB $2.05) Return on Equity (ttm) 18.7 Return on Assets (ttm) 15.5