| 
    
        
            | 
                    Closing price on 9/10/2014
                 |  |  
    
        |           
                
                    | Open | 24.10 |  
                    | High | 26.00 |  
                    | Low | 23.50 |  
                    | Volume | 252,400 |  
                    | Split-adjusted Price | 5.25 |  
                
             | 
 |  CVT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/10/2014 | +1.90 / +7.88% | 24.10 | 26.00 | 23.50 | 26.00 | 26.00 | 5.25 | 252,400 |   |  
            | 9/9/2014 | -2.40 / -9.06% | 26.50 | 26.50 | 24.10 | 24.10 | 24.10 | 4.87 | 271,200 |   |  			
            | 9/8/2014 | +1.20 / +4.74% | 25.00 | 27.00 | 25.00 | 26.50 | 26.50 | 5.35 | 238,913 |   |  
            | 9/5/2014 | +1.60 / +6.75% | 24.40 | 25.30 | 23.90 | 25.30 | 25.30 | 5.11 | 313,720 |   |  			
            | 9/4/2014 | +0.20 / +0.85% | 23.50 | 24.40 | 23.40 | 23.70 | 23.70 | 4.79 | 244,400 |   |  
            | 9/3/2014 | -0.90 / -3.69% | 24.10 | 24.20 | 23.50 | 23.50 | 23.50 | 4.75 | 256,800 |   |  			
            | 8/29/2014 | +0.20 / +0.83% | 23.80 | 24.40 | 23.70 | 24.40 | 24.40 | 4.93 | 113,900 |   |  
            | 8/28/2014 | -0.30 / -1.22% | 24.00 | 25.10 | 24.00 | 24.20 | 24.20 | 4.89 | 142,300 |   |  			
            | 8/27/2014 | +0.30 / +1.24% | 24.20 | 24.70 | 23.80 | 24.50 | 24.50 | 4.95 | 298,113 |   |  
            | 8/26/2014 | -0.80 / -3.20% | 25.00 | 25.50 | 24.10 | 24.20 | 24.20 | 4.89 | 206,600 |   |  			
            | 8/25/2014 | +1.10 / +4.60% | 24.00 | 25.90 | 24.00 | 25.00 | 25.00 | 5.05 | 273,235 |   |  
            | 8/22/2014 | +2.10 / +9.63% | 21.80 | 23.90 | 21.80 | 23.90 | 23.90 | 4.83 | 327,900 |   |  			
            | 8/21/2014 | +0.80 / +3.81% | 21.00 | 22.10 | 21.00 | 21.80 | 21.80 | 4.40 | 146,000 |   |  
            | 8/20/2014 | +0.40 / +1.94% | 20.60 | 21.30 | 20.40 | 21.00 | 21.00 | 4.24 | 120,100 |   |  			
            | 8/19/2014 | +0.40 / +1.98% | 20.00 | 21.00 | 19.90 | 20.60 | 20.60 | 4.16 | 141,125 |   |  
            | 8/18/2014 | -0.40 / -1.94% | 20.20 | 20.60 | 20.10 | 20.20 | 20.20 | 4.08 | 89,900 |   |  			
            | 8/15/2014 | -0.10 / -0.48% | 20.50 | 20.90 | 20.20 | 20.60 | 20.60 | 4.16 | 85,300 |   |  
            | 8/14/2014 | +0.90 / +4.55% | 19.70 | 21.70 | 19.70 | 20.70 | 20.70 | 4.18 | 198,200 |   |  			
            | 8/13/2014 | -0.20 / -1.00% | 20.00 | 20.20 | 19.70 | 19.80 | 19.80 | 4.00 | 94,287 |   |  
            | 8/12/2014 | 0.00 / 0.00% | 20.00 | 20.50 | 19.40 | 20.00 | 20.00 | 4.04 | 122,332 |   |  			
            | 8/11/2014 | +1.50 / +8.11% | 19.10 | 20.20 | 18.80 | 20.00 | 20.00 | 4.04 | 354,300 |   |  
            | 8/8/2014 | +1.10 / +6.32% | 17.40 | 18.50 | 17.40 | 18.50 | 18.50 | 3.74 | 225,268 |   |  			
            | 8/7/2014 | +0.10 / +0.58% | 17.20 | 17.40 | 17.00 | 17.40 | 17.40 | 3.52 | 65,700 |   |  
            | 8/6/2014 | -0.30 / -1.70% | 17.60 | 17.60 | 17.30 | 17.30 | 17.30 | 3.49 | 80,900 |   |  			
            | 8/5/2014 | +0.20 / +1.15% | 17.50 | 17.70 | 17.40 | 17.60 | 17.60 | 3.56 | 78,622 |   |  
            | 8/4/2014 | 0.00 / 0.00% | 17.40 | 17.60 | 17.30 | 17.40 | 17.40 | 3.52 | 75,000 |   |  			
            | 8/1/2014 | +0.50 / +2.96% | 16.90 | 17.50 | 16.90 | 17.40 | 17.40 | 3.52 | 127,000 |   |  
            | 7/31/2014 | +0.30 / +1.81% | 16.60 | 17.10 | 16.60 | 16.90 | 16.90 | 3.41 | 52,346 |   |  			
            | 7/30/2014 | -0.40 / -2.35% | 17.00 | 17.00 | 16.60 | 16.60 | 16.60 | 3.35 | 30,200 |   |  
            | 7/29/2014 | -0.20 / -1.16% | 17.20 | 17.20 | 16.80 | 17.00 | 17.00 | 3.43 | 52,400 |   |  |