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            | 
                    Closing price on 4/4/2014
                 |  |  
    
        |           
                
                    | Open | 17.60 |  
                    | High | 18.40 |  
                    | Low | 15.30 |  
                    | Volume | 255,391 |  
                    | Split-adjusted Price | 3.29 |  
                
             | 
 |  CVT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/4/2014 | +1.00 / +5.92% | 17.60 | 18.40 | 15.30 | 17.90 | 17.90 | 3.29 | 255,391 |   |  
            | 4/3/2014 | +0.20 / +1.20% | 16.70 | 17.00 | 16.70 | 16.90 | 16.90 | 3.10 | 9,900 |   |  			
            | 4/2/2014 | -0.30 / -1.76% | 17.00 | 17.00 | 16.70 | 16.70 | 16.70 | 3.07 | 15,400 |   |  
            | 4/1/2014 | +0.30 / +1.80% | 16.90 | 18.00 | 16.90 | 17.00 | 17.00 | 3.12 | 41,727 |   |  			
            | 3/31/2014 | -0.30 / -1.76% | 17.20 | 17.50 | 16.70 | 16.70 | 16.70 | 3.07 | 36,450 |   |  
            | 3/28/2014 | +0.20 / +1.19% | 17.40 | 17.40 | 17.00 | 17.00 | 17.00 | 3.12 | 9,200 |   |  			
            | 3/27/2014 | -0.80 / -4.55% | 17.00 | 17.30 | 16.80 | 16.80 | 16.80 | 3.09 | 54,470 |   |  
            | 3/26/2014 | -0.20 / -1.12% | 17.50 | 17.60 | 17.30 | 17.60 | 17.60 | 3.23 | 33,100 |   |  			
            | 3/25/2014 | -0.40 / -2.20% | 18.30 | 18.30 | 17.80 | 17.80 | 17.80 | 3.27 | 53,470 |   |  
            | 3/24/2014 | +0.40 / +2.25% | 17.80 | 18.20 | 17.70 | 18.20 | 18.20 | 3.34 | 68,220 |   |  			
            | 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 |   |  |