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                    Closing price on 6/30/2011
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                    | Open | 30.20 |  
                    | High | 30.20 |  
                    | Low | 30.20 |  
                    | Volume | 30 |  
                    | Split-adjusted Price | 12.67 |  
                
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 |  COM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/30/2011 | +1.40 / +4.86% | 30.20 | 30.20 | 30.20 | 30.20 | 30.20 | 12.67 | 30 |   |  
            | 6/29/2011 | +1.30 / +4.73% | 28.80 | 28.80 | 28.80 | 28.80 | 28.80 | 12.08 | 10 |   |  			
            | 6/28/2011 | -1.40 / -4.84% | 27.50 | 27.50 | 27.50 | 27.50 | 27.50 | 11.54 | 30 |   |  
            | 6/27/2011 | +1.30 / +4.71% | 27.10 | 28.90 | 27.10 | 28.90 | 28.90 | 12.12 | 70 |   |  			
            | 6/24/2011 | -1.40 / -4.83% | 30.00 | 30.40 | 27.60 | 27.60 | 27.60 | 11.58 | 3,080 |   |  
            | 6/23/2011 | 0.00 / 0.00% | 29.00 | 29.50 | 29.00 | 29.00 | 29.00 | 12.17 | 3,020 |   |  			
            | 6/22/2011 | 0.00 / 0.00% | 29.00 | 29.00 | 29.00 | 29.00 | 29.00 | 12.17 | 7,000 |   |  
            | 6/21/2011 | +0.60 / +2.11% | 28.40 | 29.00 | 28.40 | 29.00 | 29.00 | 12.17 | 7,370 |   |  			
            | 6/20/2011 | 0.00 / 0.00% | 28.40 | 28.40 | 28.40 | 28.40 | 28.40 | 11.91 | 0 |   |  
            | 6/17/2011 | 0.00 / 0.00% | 28.40 | 28.40 | 28.40 | 28.40 | 28.40 | 11.91 | 0 |   |  			
            | 6/16/2011 | -2.00 / -6.58% | 28.40 | 28.40 | 28.40 | 28.40 | 28.40 | 11.91 | 10 |   |  
            | 6/15/2011 | -1.60 / -5.00% | 30.40 | 30.40 | 30.40 | 30.40 | 30.40 | 12.50 | 10 |   |  			
            | 6/14/2011 | +1.00 / +3.23% | 32.00 | 32.00 | 32.00 | 32.00 | 32.00 | 13.16 | 20 |   |  
            | 6/13/2011 | 0.00 / 0.00% | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 12.75 | 960 |   |  			
            | 6/10/2011 | -1.00 / -3.13% | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 12.75 | 10 |   |  
            | 6/9/2011 | +1.00 / +3.23% | 29.50 | 32.00 | 29.50 | 32.00 | 32.00 | 13.16 | 20 |   |  			
            | 6/8/2011 | -0.90 / -2.82% | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 12.75 | 380 |   |  
            | 6/7/2011 | +1.50 / +4.93% | 29.00 | 31.90 | 29.00 | 31.90 | 31.90 | 13.12 | 10,020 |   |  			
            | 6/6/2011 | -1.60 / -5.00% | 30.40 | 30.40 | 30.40 | 30.40 | 30.40 | 12.50 | 10 |   |  
            | 6/3/2011 | +0.40 / +1.27% | 31.00 | 32.00 | 31.00 | 32.00 | 32.00 | 13.16 | 1,140 |   |  			
            | 6/2/2011 | -1.30 / -3.95% | 32.00 | 32.00 | 31.60 | 31.60 | 31.60 | 13.00 | 5,290 |   |  
            | 6/1/2011 | 0.00 / 0.00% | 32.90 | 32.90 | 32.90 | 32.90 | 32.90 | 13.53 | 0 |   |  			
            | 5/31/2011 | 0.00 / 0.00% | 32.90 | 32.90 | 32.90 | 32.90 | 32.90 | 13.53 | 0 |   |  
            | 5/30/2011 | 0.00 / 0.00% | 32.90 | 32.90 | 32.90 | 32.90 | 32.90 | 13.53 | 0 |   |  			
            | 5/27/2011 | +0.90 / +2.81% | 32.90 | 32.90 | 32.90 | 32.90 | 32.90 | 13.53 | 10 |   |  
            | 5/26/2011 | 0.00 / 0.00% | 32.00 | 32.00 | 32.00 | 32.00 | 32.00 | 13.16 | 392,320 |   |  			
            | 5/25/2011 | +0.50 / +1.59% | 31.50 | 32.00 | 31.30 | 32.00 | 32.00 | 13.16 | 7,680 |   |  
            | 5/24/2011 | 0.00 / 0.00% | 31.50 | 31.50 | 31.50 | 31.50 | 31.50 | 12.95 | 10 |   |  			
            | 5/23/2011 | -1.30 / -3.96% | 32.00 | 32.00 | 31.50 | 31.50 | 31.50 | 12.95 | 12,910 |   |  
            | 5/20/2011 | 0.00 / 0.00% | 32.80 | 32.80 | 32.80 | 32.80 | 32.80 | 13.49 | 0 |   |  |