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                    Closing price on 5/18/2011
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                    | Open | 31.00 |  
                    | High | 33.00 |  
                    | Low | 31.00 |  
                    | Volume | 20 |  
                    | Split-adjusted Price | 13.57 |  
                
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 |  COM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/18/2011 | +1.00 / +3.13% | 31.00 | 33.00 | 31.00 | 33.00 | 33.00 | 13.57 | 20 |   |  
            | 5/17/2011 | -0.80 / -2.44% | 32.00 | 32.00 | 32.00 | 32.00 | 32.00 | 13.16 | 4,000 |   |  			
            | 5/16/2011 | 0.00 / 0.00% | 32.80 | 32.80 | 32.80 | 32.80 | 32.80 | 13.49 | 12,840 |   |  
            | 5/13/2011 | 0.00 / 0.00% | 32.80 | 32.80 | 32.80 | 32.80 | 32.80 | 13.49 | 0 |   |  			
            | 5/12/2011 | -1.70 / -4.93% | 35.00 | 35.00 | 32.80 | 32.80 | 32.80 | 13.49 | 1,010 |   |  
            | 5/11/2011 | +1.50 / +4.55% | 31.40 | 34.50 | 31.40 | 34.50 | 34.50 | 14.19 | 4,600 |   |  			
            | 5/10/2011 | +1.50 / +4.76% | 30.50 | 33.00 | 30.50 | 33.00 | 33.00 | 13.57 | 8,070 |   |  
            | 5/9/2011 | 0.00 / 0.00% | 30.60 | 31.50 | 30.50 | 31.50 | 31.50 | 12.95 | 8,070 |   |  			
            | 5/6/2011 | +1.50 / +5.00% | 28.50 | 31.50 | 28.50 | 31.50 | 31.50 | 12.95 | 2,740 |   |  
            | 5/5/2011 | 0.00 / 0.00% | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 12.34 | 0 |   |  			
            | 5/4/2011 | +0.20 / +0.67% | 29.00 | 30.00 | 29.00 | 30.00 | 30.00 | 12.34 | 520 |   |  
            | 4/29/2011 | +1.40 / +4.93% | 29.00 | 29.80 | 29.00 | 29.80 | 29.80 | 12.26 | 2,360 |   |  			
            | 4/28/2011 | -1.40 / -4.70% | 31.20 | 31.20 | 28.40 | 28.40 | 28.40 | 11.68 | 40 |   |  
            | 4/27/2011 | +1.40 / +4.93% | 29.80 | 29.80 | 29.80 | 29.80 | 29.80 | 12.26 | 110 |   |  			
            | 4/26/2011 | +1.30 / +4.80% | 25.80 | 28.40 | 25.80 | 28.40 | 28.40 | 11.68 | 560 |   |  
            | 4/25/2011 | -1.40 / -4.91% | 27.10 | 27.10 | 27.10 | 27.10 | 27.10 | 11.15 | 530 |   |  			
            | 4/22/2011 | -1.50 / -5.00% | 28.50 | 28.50 | 28.50 | 28.50 | 28.50 | 11.72 | 1,000 |   |  
            | 4/21/2011 | 0.00 / 0.00% | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 12.34 | 0 |   |  			
            | 4/20/2011 | -1.00 / -3.23% | 29.90 | 30.00 | 29.90 | 30.00 | 30.00 | 12.34 | 4,010 |   |  
            | 4/19/2011 | 0.00 / 0.00% | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 12.75 | 200 |   |  			
            | 4/18/2011 | -1.00 / -3.13% | 30.40 | 31.00 | 30.40 | 31.00 | 31.00 | 12.75 | 2,020 |   |  
            | 4/15/2011 | 0.00 / 0.00% | 30.40 | 32.00 | 30.40 | 32.00 | 32.00 | 13.16 | 7,030 |   |  			
            | 4/14/2011 | +0.10 / +0.31% | 32.00 | 32.00 | 32.00 | 32.00 | 32.00 | 13.16 | 10 |   |  
            | 4/13/2011 | -1.60 / -4.78% | 31.90 | 31.90 | 31.90 | 31.90 | 31.90 | 13.12 | 130 |   |  			
            | 4/8/2011 | 0.00 / 0.00% | 33.50 | 33.50 | 33.50 | 33.50 | 33.50 | 13.78 | 10 |   |  
            | 4/7/2011 | 0.00 / 0.00% | 33.50 | 33.50 | 33.50 | 33.50 | 33.50 | 13.78 | 0 |   |  			
            | 4/6/2011 | 0.00 / 0.00% | 33.50 | 33.50 | 33.50 | 33.50 | 33.50 | 13.78 | 10 |   |  
            | 4/5/2011 | 0.00 / 0.00% | 33.50 | 33.50 | 33.50 | 33.50 | 33.50 | 13.78 | 0 |   |  			
            | 4/4/2011 | +0.60 / +1.82% | 33.50 | 33.50 | 33.50 | 33.50 | 33.50 | 13.78 | 2,010 |   |  
            | 4/1/2011 | 0.00 / 0.00% | 32.90 | 32.90 | 32.90 | 32.90 | 32.90 | 13.53 | 0 |   |  |