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            | 
                    Closing price on 1/31/2012
                 |  |  
    
        |           
                
                    | Open | 17.80 |  
                    | High | 18.50 |  
                    | Low | 17.80 |  
                    | Volume | 1,640 |  
                    | Split-adjusted Price | 9.42 |  
                
             | 
 |  C21 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/31/2012 | -0.90 / -4.81% | 17.80 | 18.50 | 17.80 | 17.80 | 17.80 | 9.42 | 1,640 |   |  
            | 1/30/2012 | +0.80 / +4.47% | 18.70 | 18.70 | 18.70 | 18.70 | 18.70 | 9.89 | 800 |   |  			
            | 1/20/2012 | +0.40 / +2.29% | 18.00 | 18.00 | 17.90 | 17.90 | 17.90 | 9.47 | 1,860 |   |  
            | 1/19/2012 | -0.10 / -0.57% | 17.50 | 17.50 | 17.50 | 17.50 | 17.50 | 9.26 | 360 |   |  			
            | 1/18/2012 | 0.00 / 0.00% | 17.60 | 17.60 | 17.60 | 17.60 | 17.60 | 9.31 | 950 |   |  
            | 1/17/2012 | 0.00 / 0.00% | 17.50 | 18.30 | 17.50 | 17.60 | 17.60 | 9.31 | 16,940 |   |  			
            | 1/16/2012 | -0.30 / -1.68% | 17.50 | 17.60 | 17.10 | 17.60 | 17.60 | 9.31 | 3,220 |   |  
            | 1/13/2012 | +0.10 / +0.56% | 17.90 | 17.90 | 17.90 | 17.90 | 17.90 | 9.47 | 10 |   |  			
            | 1/12/2012 | +0.40 / +2.30% | 17.80 | 17.80 | 17.80 | 17.80 | 17.80 | 9.42 | 70 |   |  
            | 1/11/2012 | 0.00 / 0.00% | 17.60 | 17.70 | 17.40 | 17.40 | 17.40 | 9.21 | 1,420 |   |  			
            | 1/10/2012 | +0.20 / +1.16% | 17.20 | 17.40 | 17.20 | 17.40 | 17.40 | 9.21 | 23,250 |   |  
            | 1/9/2012 | +0.10 / +0.58% | 17.10 | 17.20 | 16.80 | 17.20 | 17.20 | 9.10 | 2,500 |   |  			
            | 1/6/2012 | -0.80 / -4.47% | 17.50 | 17.50 | 17.10 | 17.10 | 17.10 | 9.05 | 210 |   |  
            | 1/5/2012 | 0.00 / 0.00% | 17.90 | 17.90 | 17.90 | 17.90 | 17.90 | 9.47 | 100 |   |  			
            | 1/4/2012 | +0.60 / +3.47% | 18.10 | 18.10 | 17.90 | 17.90 | 17.90 | 9.47 | 610 |   |  
            | 1/3/2012 | +0.70 / +4.22% | 17.20 | 17.30 | 17.20 | 17.30 | 17.30 | 9.15 | 2,250 |   |  			
            | 12/30/2011 | -0.80 / -4.60% | 17.70 | 17.70 | 16.60 | 16.60 | 16.60 | 8.78 | 430 |   |  
            | 12/29/2011 | +0.70 / +4.19% | 17.40 | 17.40 | 17.40 | 17.40 | 17.40 | 9.21 | 2,000 |   |  			
            | 12/28/2011 | -0.80 / -4.57% | 16.70 | 16.70 | 16.70 | 16.70 | 16.70 | 8.84 | 1,000 |   |  
            | 12/27/2011 | -0.20 / -1.13% | 17.50 | 17.50 | 17.50 | 17.50 | 17.50 | 9.26 | 400 |   |  			
            | 12/26/2011 | -0.20 / -1.12% | 17.20 | 17.70 | 17.10 | 17.70 | 17.70 | 9.36 | 1,520 |   |  
            | 12/23/2011 | -0.10 / -0.56% | 17.10 | 17.90 | 17.10 | 17.90 | 17.90 | 9.47 | 1,410 |   |  			
            | 12/22/2011 | 0.00 / 0.00% | 18.00 | 18.00 | 18.00 | 18.00 | 18.00 | 9.52 | 50 |   |  
            | 12/21/2011 | 0.00 / 0.00% | 18.00 | 18.00 | 18.00 | 18.00 | 18.00 | 9.52 | 1,700 |   |  			
            | 12/20/2011 | -0.40 / -2.17% | 18.00 | 18.00 | 18.00 | 18.00 | 18.00 | 9.52 | 300 |   |  
            | 12/19/2011 | 0.00 / 0.00% | 18.40 | 18.40 | 18.40 | 18.40 | 18.40 | 9.73 | 0 |   |  			
            | 12/16/2011 | -0.20 / -1.08% | 18.00 | 18.40 | 18.00 | 18.40 | 18.40 | 9.73 | 900 |   |  
            | 12/15/2011 | 0.00 / 0.00% | 18.60 | 18.60 | 18.60 | 18.60 | 18.60 | 9.84 | 100 |   |  			
            | 12/14/2011 | -0.20 / -1.06% | 18.20 | 18.60 | 18.00 | 18.60 | 18.60 | 9.84 | 1,220 |   |  
            | 12/13/2011 | 0.00 / 0.00% | 18.80 | 18.80 | 18.80 | 18.80 | 18.80 | 9.95 | 100 |   |  |