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                    Closing price on 3/27/2013
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        |           
                
                    | Open | 16.00 |  
                    | High | 16.00 |  
                    | Low | 15.80 |  
                    | Volume | 13,700 |  
                    | Split-adjusted Price | 9.32 |  
                
             | 
 |  C21 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/27/2013 | 0.00 / 0.00% | 16.00 | 16.00 | 15.80 | 15.80 | 15.80 | 9.32 | 13,700 |   |  
            | 3/26/2013 | +0.60 / +3.95% | 15.20 | 16.00 | 15.20 | 15.80 | 15.80 | 9.32 | 54,800 |   |  			
            | 3/25/2013 | +0.40 / +2.70% | 14.80 | 15.20 | 14.80 | 15.20 | 15.20 | 8.96 | 35,860 |   |  
            | 3/22/2013 | -0.10 / -0.67% | 14.60 | 15.00 | 14.60 | 14.80 | 14.80 | 8.73 | 14,070 |   |  			
            | 3/21/2013 | -0.10 / -0.67% | 15.00 | 15.00 | 14.90 | 14.90 | 14.90 | 8.79 | 1,790 |   |  
            | 3/20/2013 | +0.20 / +1.35% | 15.00 | 15.00 | 15.00 | 15.00 | 15.00 | 8.84 | 1,180 |   |  			
            | 3/19/2013 | 0.00 / 0.00% | 14.70 | 14.80 | 14.70 | 14.80 | 14.80 | 8.73 | 680 |   |  
            | 3/18/2013 | -0.40 / -2.63% | 14.80 | 14.80 | 14.80 | 14.80 | 14.80 | 8.73 | 3,050 |   |  			
            | 3/15/2013 | +0.20 / +1.33% | 15.00 | 15.20 | 15.00 | 15.20 | 15.20 | 8.96 | 510 |   |  
            | 3/14/2013 | 0.00 / 0.00% | 15.00 | 15.00 | 14.90 | 15.00 | 15.00 | 8.84 | 720 |   |  			
            | 3/13/2013 | +0.20 / +1.35% | 15.20 | 15.20 | 14.60 | 15.00 | 15.00 | 8.84 | 4,260 |   |  
            | 3/12/2013 | 0.00 / 0.00% | 15.00 | 15.10 | 14.60 | 14.80 | 14.80 | 8.73 | 8,400 |   |  			
            | 3/11/2013 | 0.00 / 0.00% | 14.70 | 14.90 | 14.40 | 14.80 | 14.80 | 8.73 | 4,110 |   |  
            | 3/8/2013 | 0.00 / 0.00% | 14.00 | 14.80 | 14.00 | 14.80 | 14.80 | 8.73 | 17,720 |   |  			
            | 3/7/2013 | 0.00 / 0.00% | 14.80 | 14.80 | 14.70 | 14.80 | 14.80 | 8.73 | 4,320 |   |  
            | 3/6/2013 | -0.10 / -0.67% | 15.20 | 15.20 | 14.20 | 14.80 | 14.80 | 8.73 | 3,210 |   |  			
            | 3/5/2013 | 0.00 / 0.00% | 15.00 | 15.00 | 14.80 | 14.90 | 14.90 | 8.79 | 4,610 |   |  
            | 3/4/2013 | -0.40 / -2.61% | 15.10 | 15.10 | 14.80 | 14.90 | 14.90 | 8.79 | 7,100 |   |  			
            | 3/1/2013 | 0.00 / 0.00% | 15.60 | 15.60 | 15.20 | 15.30 | 15.30 | 9.02 | 5,890 |   |  
            | 2/28/2013 | 0.00 / 0.00% | 15.70 | 15.70 | 15.00 | 15.30 | 15.30 | 9.02 | 5,250 |   |  			
            | 2/27/2013 | +0.30 / +2.00% | 15.00 | 15.30 | 14.50 | 15.30 | 15.30 | 9.02 | 5,990 |   |  
            | 2/26/2013 | -0.40 / -2.60% | 15.40 | 15.70 | 14.70 | 15.00 | 15.00 | 8.84 | 14,840 |   |  			
            | 2/25/2013 | +0.10 / +0.65% | 15.50 | 15.70 | 15.10 | 15.40 | 15.40 | 9.08 | 21,670 |   |  
            | 2/22/2013 | +0.30 / +2.00% | 15.50 | 15.80 | 14.50 | 15.30 | 15.30 | 9.02 | 34,570 |   |  			
            | 2/21/2013 | -1.00 / -6.25% | 15.50 | 15.90 | 15.00 | 15.00 | 15.00 | 8.84 | 51,590 |   |  
            | 2/20/2013 | +0.50 / +3.23% | 15.50 | 16.00 | 15.50 | 16.00 | 16.00 | 9.43 | 73,410 |   |  			
            | 2/19/2013 | +0.10 / +0.65% | 15.10 | 15.70 | 15.00 | 15.50 | 15.50 | 9.14 | 7,270 |   |  
            | 2/18/2013 | +0.50 / +3.36% | 15.70 | 15.70 | 14.90 | 15.40 | 15.40 | 9.08 | 3,520 |   |  			
            | 2/8/2013 | +0.40 / +2.76% | 14.50 | 14.90 | 14.40 | 14.90 | 14.90 | 8.79 | 6,110 |   |  
            | 2/7/2013 | +0.10 / +0.69% | 14.40 | 14.50 | 14.40 | 14.50 | 14.50 | 8.55 | 5,890 |   |  |