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                    Closing price on 10/19/2011
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                    | Open | 19.50 |  
                    | High | 19.50 |  
                    | Low | 18.60 |  
                    | Volume | 14,600 |  
                    | Split-adjusted Price | 9.50 |  
                
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 |  C21 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/19/2011 | +0.10 / +0.54% | 19.50 | 19.50 | 18.60 | 18.70 | 18.70 | 9.50 | 14,600 |   |  
            | 10/18/2011 | +0.10 / +0.54% | 18.30 | 19.00 | 18.30 | 18.60 | 18.60 | 9.45 | 15,720 |   |  			
            | 10/17/2011 | -0.20 / -1.07% | 19.00 | 19.10 | 18.50 | 18.50 | 18.50 | 9.40 | 6,600 |   |  
            | 10/14/2011 | +0.50 / +2.75% | 18.20 | 19.10 | 18.20 | 18.70 | 18.70 | 9.50 | 62,750 |   |  			
            | 10/13/2011 | +0.10 / +0.55% | 18.10 | 18.20 | 18.00 | 18.20 | 18.20 | 9.25 | 90,610 |   |  
            | 10/12/2011 | 0.00 / 0.00% | 18.10 | 18.10 | 17.90 | 18.10 | 18.10 | 9.20 | 26,120 |   |  			
            | 10/11/2011 | +0.10 / +0.56% | 18.00 | 18.10 | 18.00 | 18.10 | 18.10 | 9.20 | 20,410 |   |  
            | 10/10/2011 | 0.00 / 0.00% | 18.00 | 18.10 | 17.80 | 18.00 | 18.00 | 9.15 | 27,890 |   |  			
            | 10/7/2011 | 0.00 / 0.00% | 17.90 | 18.10 | 17.90 | 18.00 | 18.00 | 9.15 | 27,560 |   |  
            | 10/6/2011 | +0.10 / +0.56% | 17.90 | 18.00 | 17.90 | 18.00 | 18.00 | 9.15 | 42,150 |   |  			
            | 10/5/2011 | +0.10 / +0.56% | 17.90 | 17.90 | 17.80 | 17.90 | 17.90 | 9.10 | 26,010 |   |  
            | 10/4/2011 | +0.20 / +1.14% | 17.60 | 17.90 | 17.60 | 17.80 | 17.80 | 9.05 | 17,330 |   |  			
            | 10/3/2011 | 0.00 / 0.00% | 17.60 | 17.90 | 17.60 | 17.60 | 17.60 | 8.94 | 23,560 |   |  
            | 9/30/2011 | +0.10 / +0.57% | 17.50 | 17.60 | 17.50 | 17.60 | 17.60 | 8.94 | 4,500 |   |  			
            | 9/29/2011 | -0.30 / -1.69% | 17.70 | 17.70 | 17.50 | 17.50 | 17.50 | 8.89 | 11,980 |   |  
            | 9/28/2011 | -0.10 / -0.56% | 17.90 | 17.90 | 17.80 | 17.80 | 17.80 | 9.05 | 13,410 |   |  			
            | 9/27/2011 | -0.10 / -0.56% | 18.00 | 18.00 | 17.80 | 17.90 | 17.90 | 9.10 | 16,280 |   |  
            | 9/26/2011 | +0.50 / +2.86% | 17.50 | 18.00 | 17.50 | 18.00 | 18.00 | 9.15 | 24,500 |   |  			
            | 9/23/2011 | 0.00 / 0.00% | 17.70 | 17.70 | 17.50 | 17.50 | 17.50 | 8.89 | 7,710 |   |  
            | 9/22/2011 | -0.10 / -0.57% | 17.10 | 17.50 | 17.00 | 17.50 | 17.50 | 8.89 | 12,000 |   |  			
            | 9/21/2011 | -0.20 / -1.12% | 17.80 | 17.80 | 17.60 | 17.60 | 17.60 | 8.94 | 29,820 |   |  
            | 9/20/2011 | -0.10 / -0.56% | 18.10 | 18.10 | 17.80 | 17.80 | 17.80 | 9.05 | 30,820 |   |  			
            | 9/19/2011 | 0.00 / 0.00% | 17.90 | 18.10 | 17.90 | 17.90 | 17.90 | 9.10 | 10,010 |   |  
            | 9/16/2011 | -0.20 / -1.10% | 17.60 | 18.10 | 17.60 | 17.90 | 17.90 | 9.10 | 3,760 |   |  			
            | 9/15/2011 | -0.50 / -2.69% | 17.90 | 18.10 | 17.80 | 18.10 | 18.10 | 9.20 | 28,300 |   |  
            | 9/14/2011 | +0.80 / +4.49% | 18.00 | 18.60 | 17.80 | 18.60 | 18.60 | 9.45 | 42,210 |   |  			
            | 9/13/2011 | -0.10 / -0.56% | 18.00 | 18.10 | 17.80 | 17.80 | 17.80 | 9.05 | 60,800 |   |  
            | 9/12/2011 | 0.00 / 0.00% | 17.90 | 17.90 | 17.90 | 17.90 | 17.90 | 9.10 | 32,500 |   |  			
            | 9/9/2011 | -0.30 / -1.65% | 18.20 | 18.20 | 17.70 | 17.90 | 17.90 | 9.10 | 12,480 |   |  
            | 9/8/2011 | +0.20 / +1.11% | 18.00 | 18.30 | 18.00 | 18.20 | 18.20 | 9.25 | 71,610 |   |  |  |  
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						| Market Update 
        
            
                Last updated at 3:10:01 PM
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