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            | 
                    Closing price on 4/16/2014
                 |  |  
    
        |           
                
                    | Open | 16.30 |  
                    | High | 16.70 |  
                    | Low | 16.30 |  
                    | Volume | 14,300 |  
                    | Split-adjusted Price | 3.07 |  
                
             | 
 |  CVT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/16/2014 | -0.20 / -1.18% | 16.30 | 16.70 | 16.30 | 16.70 | 16.70 | 3.07 | 14,300 |   |  
            | 4/15/2014 | -0.60 / -3.43% | 17.40 | 17.40 | 16.80 | 16.90 | 16.90 | 3.10 | 7,800 |   |  			
            | 4/14/2014 | 0.00 / 0.00% | 18.00 | 18.00 | 16.80 | 17.50 | 17.50 | 3.21 | 1,300 |   |  
            | 4/11/2014 | 0.00 / 0.00% | 17.20 | 17.50 | 17.20 | 17.50 | 17.50 | 3.21 | 7,800 |   |  			
            | 4/10/2014 | -0.10 / -0.57% | 17.60 | 17.60 | 17.30 | 17.50 | 17.50 | 3.21 | 30,575 |   |  
            | 4/8/2014 | -0.30 / -1.68% | 17.80 | 17.80 | 17.60 | 17.60 | 17.60 | 3.23 | 28,284 |   |  			
            | 4/7/2014 | 0.00 / 0.00% | 17.60 | 17.90 | 17.50 | 17.90 | 17.90 | 3.29 | 20,800 |   |  
            | 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 |   |  |