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                    Closing price on 4/22/2011
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                    | Open | 28.50 |  
                    | High | 28.50 |  
                    | Low | 28.50 |  
                    | Volume | 1,000 |  
                    | Split-adjusted Price | 11.72 |  
                
             | 
 |  COM Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 3/31/2011 | 0.00 / 0.00% | 32.90 | 32.90 | 32.90 | 32.90 | 32.90 | 13.53 | 0 |   |  
            | 3/30/2011 | 0.00 / 0.00% | 32.90 | 32.90 | 32.90 | 32.90 | 32.90 | 13.53 | 0 |   |  			
            | 3/29/2011 | 0.00 / 0.00% | 32.90 | 32.90 | 32.90 | 32.90 | 32.90 | 13.53 | 0 |   |  
            | 3/28/2011 | +0.90 / +2.81% | 32.90 | 32.90 | 32.90 | 32.90 | 32.90 | 13.53 | 10 |   |  			
            | 3/25/2011 | +1.00 / +3.23% | 31.00 | 32.00 | 31.00 | 32.00 | 32.00 | 13.16 | 3,220 |   |  
            | 3/24/2011 | 0.00 / 0.00% | 29.50 | 31.00 | 29.50 | 31.00 | 31.00 | 12.75 | 70 |   |  			
            | 3/23/2011 | -0.50 / -1.59% | 30.00 | 31.00 | 30.00 | 31.00 | 31.00 | 12.75 | 5,160 |   |  
            | 3/22/2011 | 0.00 / 0.00% | 31.50 | 31.50 | 31.50 | 31.50 | 31.50 | 12.95 | 0 |   |  			
            | 3/21/2011 | 0.00 / 0.00% | 30.00 | 31.50 | 30.00 | 31.50 | 31.50 | 12.95 | 1,610 |   |  
            | 3/18/2011 | +1.50 / +5.00% | 31.50 | 31.50 | 31.50 | 31.50 | 31.50 | 12.95 | 20 |   |  			
            | 3/17/2011 | +1.00 / +3.45% | 30.00 | 30.00 | 30.00 | 30.00 | 30.00 | 12.34 | 110 |   |  
            | 3/16/2011 | -1.50 / -4.92% | 29.00 | 29.00 | 29.00 | 29.00 | 29.00 | 11.93 | 3,430 |   |  			
            | 3/15/2011 | 0.00 / 0.00% | 30.50 | 30.50 | 30.50 | 30.50 | 30.50 | 12.54 | 20 |   |  
            | 3/14/2011 | -1.50 / -4.69% | 30.50 | 30.50 | 30.50 | 30.50 | 30.50 | 12.54 | 50 |   |  			
            | 3/11/2011 | +1.00 / +3.23% | 32.00 | 32.00 | 32.00 | 32.00 | 32.00 | 13.16 | 10 |   |  
            | 3/10/2011 | 0.00 / 0.00% | 31.00 | 31.00 | 31.00 | 31.00 | 31.00 | 12.75 | 50 |   |  |