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            | 
                    Closing price on 3/21/2014
                 |  |  
    
        |           
                
                    | Open | 17.50 |  
                    | High | 17.90 |  
                    | Low | 17.30 |  
                    | Volume | 56,700 |  
                    | Split-adjusted Price | 3.27 |  
                
             | 
 |  CVT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/21/2014 | +0.30 / +1.71% | 17.50 | 17.90 | 17.30 | 17.80 | 17.80 | 3.27 | 56,700 |   |  
            | 3/20/2014 | -0.20 / -1.13% | 17.50 | 17.70 | 17.30 | 17.50 | 17.50 | 3.21 | 90,520 |   |  			
            | 3/19/2014 | 0.00 / 0.00% | 17.80 | 17.80 | 17.40 | 17.70 | 17.70 | 3.25 | 72,992 |   |  
            | 3/18/2014 | -0.20 / -1.12% | 17.90 | 17.90 | 17.60 | 17.70 | 17.70 | 3.25 | 115,215 |   |  			
            | 3/17/2014 | -0.20 / -1.10% | 17.90 | 18.10 | 17.90 | 17.90 | 17.90 | 3.29 | 44,500 |   |  
            | 3/14/2014 | 0.00 / 0.00% | 18.20 | 18.20 | 17.90 | 18.10 | 18.10 | 3.32 | 56,400 |   |  			
            | 3/13/2014 | +0.10 / +0.56% | 18.00 | 18.10 | 18.00 | 18.10 | 18.10 | 3.32 | 68,125 |   |  
            | 3/12/2014 | -0.10 / -0.55% | 18.10 | 18.20 | 17.70 | 18.00 | 18.00 | 3.31 | 194,100 |   |  			
            | 3/11/2014 | -0.10 / -0.55% | 18.00 | 18.30 | 17.90 | 18.10 | 18.10 | 3.32 | 51,000 |   |  
            | 3/10/2014 | -0.20 / -1.09% | 18.00 | 18.30 | 17.60 | 18.20 | 18.20 | 3.34 | 60,550 |   |  			
            | 3/7/2014 | -0.10 / -0.54% | 18.10 | 18.60 | 18.10 | 18.40 | 18.40 | 3.38 | 112,700 |   |  
            | 3/6/2014 | 0.00 / 0.00% | 18.60 | 18.60 | 18.10 | 18.50 | 18.50 | 3.40 | 121,600 |   |  			
            | 3/5/2014 | +0.90 / +5.11% | 18.00 | 18.90 | 18.00 | 18.50 | 18.50 | 3.40 | 135,425 |   |  
            | 3/4/2014 | +1.60 / +10.00% | 16.00 | 17.60 | 15.60 | 17.60 | 17.60 | 3.23 | 180,600 |   |  			
            | 3/3/2014 | -1.20 / -6.98% | 17.20 | 17.20 | 15.60 | 16.00 | 16.00 | 2.94 | 188,700 |   |  
            | 2/28/2014 | -0.70 / -3.91% | 17.80 | 17.80 | 16.90 | 17.20 | 17.20 | 3.16 | 62,695 |   |  			
            | 2/27/2014 | -0.20 / -1.10% | 18.10 | 18.80 | 16.90 | 17.90 | 17.90 | 3.29 | 113,940 |   |  
            | 2/26/2014 | +1.30 / +7.74% | 17.10 | 18.40 | 16.90 | 18.10 | 18.10 | 3.32 | 134,000 |   |  			
            | 2/25/2014 | +1.50 / +9.80% | 15.50 | 16.80 | 15.20 | 16.80 | 16.80 | 3.09 | 420,950 |   |  
            | 2/24/2014 | +0.40 / +2.68% | 14.90 | 15.30 | 14.70 | 15.30 | 15.30 | 2.81 | 34,719 |   |  			
            | 2/21/2014 | +0.30 / +2.05% | 14.50 | 15.10 | 14.50 | 14.90 | 14.90 | 2.74 | 145,800 |   |  
            | 2/20/2014 | -0.50 / -3.31% | 15.10 | 15.80 | 14.50 | 14.60 | 14.60 | 2.68 | 138,700 |   |  			
            | 2/19/2014 | +0.90 / +6.34% | 14.00 | 15.10 | 14.00 | 15.10 | 15.10 | 2.77 | 95,300 |   |  
            | 2/18/2014 | +0.50 / +3.65% | 13.80 | 14.20 | 13.80 | 14.20 | 14.20 | 2.61 | 85,100 |   |  			
            | 2/17/2014 | +0.20 / +1.48% | 14.10 | 14.10 | 13.50 | 13.70 | 13.70 | 2.52 | 38,100 |   |  
            | 2/14/2014 | +0.30 / +2.27% | 13.30 | 13.70 | 13.20 | 13.50 | 13.50 | 2.48 | 63,600 |   |  			
            | 2/13/2014 | +0.20 / +1.54% | 13.00 | 14.00 | 13.00 | 13.20 | 13.20 | 2.42 | 14,913 |   |  
            | 2/12/2014 | +0.50 / +4.00% | 12.50 | 13.10 | 11.30 | 13.00 | 13.00 | 2.39 | 37,200 |   |  			
            | 2/11/2014 | 0.00 / 0.00% | 13.00 | 13.00 | 12.40 | 12.50 | 12.50 | 2.30 | 20,900 |   |  
            | 2/10/2014 | +0.10 / +0.81% | 12.30 | 12.50 | 12.00 | 12.50 | 12.50 | 2.30 | 163,400 |   |  |