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            | 
                    Closing price on 4/25/2016
                 |  |  
    
        |           
                
                    | Open | 24.40 |  
                    | High | 25.40 |  
                    | Low | 24.40 |  
                    | Volume | 863,886 |  
                    | Split-adjusted Price | 9.53 |  
                
             | 
 |  CVT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/25/2016 | +0.60 / +2.46% | 24.40 | 25.40 | 24.40 | 25.00 | 25.20 | 9.53 | 863,886 |   |  
            | 4/22/2016 | +0.30 / +1.24% | 24.20 | 24.40 | 24.10 | 24.40 | 24.28 | 9.30 | 510,410 |   |  			
            | 4/21/2016 | +0.70 / +2.99% | 23.50 | 24.50 | 23.50 | 24.10 | 24.15 | 9.18 | 593,702 |   |  
            | 4/20/2016 | -0.10 / -0.43% | 23.50 | 23.70 | 23.20 | 23.40 | 23.43 | 8.92 | 367,504 |   |  			
            | 4/19/2016 | -0.50 / -2.08% | 24.00 | 24.00 | 23.30 | 23.50 | 23.62 | 8.95 | 240,500 |   |  
            | 4/15/2016 | -0.20 / -0.83% | 24.30 | 24.40 | 24.00 | 24.00 | 24.30 | 9.15 | 278,106 |   |  			
            | 4/14/2016 | +0.80 / +3.42% | 23.40 | 24.50 | 23.40 | 24.20 | 23.96 | 9.22 | 843,910 |   |  
            | 4/13/2016 | -0.10 / -0.43% | 23.60 | 23.60 | 23.00 | 23.40 | 23.46 | 8.92 | 272,100 |   |  			
            | 4/12/2016 | 0.00 / 0.00% | 23.60 | 23.70 | 23.40 | 23.50 | 23.58 | 8.95 | 186,111 |   |  
            | 4/11/2016 | +0.70 / +3.07% | 22.80 | 23.80 | 22.80 | 23.50 | 23.37 | 8.95 | 467,600 |   |  			
            | 4/8/2016 | 0.00 / 0.00% | 22.80 | 22.80 | 22.60 | 22.80 | 22.70 | 8.69 | 146,700 |   |  
            | 4/7/2016 | -0.10 / -0.44% | 23.00 | 23.00 | 22.80 | 22.80 | 22.83 | 8.69 | 70,200 |   |  			
            | 4/6/2016 | 0.00 / 0.00% | 22.90 | 23.00 | 22.70 | 22.90 | 22.75 | 8.73 | 69,000 |   |  
            | 4/5/2016 | +0.40 / +1.78% | 22.60 | 23.00 | 22.50 | 22.90 | 22.50 | 8.73 | 83,806 |   |  			
            | 4/4/2016 | -0.30 / -1.32% | 22.50 | 22.80 | 22.40 | 22.50 | 22.56 | 8.57 | 135,300 |   |  
            | 4/1/2016 | -0.20 / -0.87% | 22.80 | 23.00 | 22.50 | 22.80 | 22.69 | 8.69 | 134,530 |   |  			
            | 3/31/2016 | -0.50 / -2.13% | 23.50 | 23.50 | 22.80 | 23.00 | 23.17 | 8.76 | 355,170 |   |  
            | 3/30/2016 | 0.00 / 0.00% | 23.80 | 23.80 | 23.00 | 23.50 | 23.45 | 8.95 | 201,310 |   |  			
            | 3/29/2016 | -0.30 / -1.26% | 23.80 | 24.10 | 23.40 | 23.50 | 23.68 | 8.95 | 268,410 |   |  
            | 3/28/2016 | +0.70 / +3.03% | 23.00 | 23.80 | 23.00 | 23.80 | 23.45 | 9.07 | 443,234 |   |  			
            | 3/25/2016 | -0.20 / -0.86% | 22.50 | 23.50 | 22.50 | 23.10 | 23.19 | 8.80 | 267,397 |   |  
            | 3/24/2016 | -0.50 / -2.10% | 24.00 | 24.00 | 23.30 | 23.30 | 23.65 | 8.88 | 254,500 |   |  			
            | 3/23/2016 | +1.60 / +7.21% | 22.20 | 23.80 | 22.20 | 23.80 | 22.92 | 9.07 | 680,863 |   |  
            | 3/22/2016 | -0.40 / -1.77% | 22.60 | 22.60 | 22.00 | 22.20 | 22.25 | 8.46 | 450,420 |   |  			
            | 3/21/2016 | 0.00 / 0.00% | 22.60 | 22.80 | 22.60 | 22.60 | 22.63 | 8.61 | 134,560 |   |  
            | 3/18/2016 | -0.20 / -0.88% | 22.90 | 22.90 | 22.60 | 22.60 | 22.77 | 8.61 | 180,406 |   |  			
            | 3/17/2016 | +0.10 / +0.44% | 22.80 | 22.90 | 22.80 | 22.80 | 22.86 | 8.69 | 153,800 |   |  
            | 3/16/2016 | +0.20 / +0.89% | 22.50 | 22.90 | 22.40 | 22.70 | 22.64 | 8.65 | 129,620 |   |  			
            | 3/15/2016 | -0.40 / -1.75% | 22.90 | 22.90 | 22.50 | 22.50 | 22.68 | 8.57 | 182,100 |   |  
            | 3/14/2016 | -0.20 / -0.87% | 23.20 | 23.30 | 22.90 | 22.90 | 23.03 | 8.73 | 85,400 |   |  |