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            | 
                    Closing price on 1/25/2017
                 |  |  
    
        |           
                
                    | Open | 43.80 |  
                    | High | 44.60 |  
                    | Low | 43.60 |  
                    | Volume | 284,100 |  
                    | Split-adjusted Price | 18.35 |  
                
             | 
 |  CVT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/25/2017 | +1.10 / +2.53% | 43.80 | 44.60 | 43.60 | 44.60 | 44.14 | 18.35 | 284,100 |   |  
            | 1/24/2017 | +1.00 / +2.35% | 42.60 | 43.80 | 42.50 | 43.50 | 43.04 | 17.90 | 369,930 |   |  			
            | 1/23/2017 | +1.10 / +2.66% | 41.60 | 44.50 | 41.60 | 42.50 | 43.25 | 17.49 | 666,740 |   |  
            | 1/20/2017 | +3.70 / +9.81% | 38.00 | 41.40 | 38.00 | 41.40 | 40.20 | 17.04 | 546,580 |   |  			
            | 1/19/2017 | -0.70 / -1.82% | 38.50 | 38.50 | 37.70 | 37.70 | 38.13 | 15.51 | 58,510 |   |  
            | 1/18/2017 | +0.10 / +0.26% | 38.30 | 38.70 | 38.30 | 38.40 | 38.52 | 15.80 | 85,200 |   |  			
            | 1/17/2017 | +0.10 / +0.26% | 38.20 | 38.90 | 38.20 | 38.30 | 38.48 | 15.76 | 181,360 |   |  
            | 1/16/2017 | -0.50 / -1.29% | 38.70 | 38.70 | 38.20 | 38.20 | 38.37 | 15.72 | 70,400 |   |  			
            | 1/13/2017 | -0.20 / -0.51% | 39.00 | 39.00 | 38.70 | 38.70 | 38.90 | 15.92 | 85,500 |   |  
            | 1/12/2017 | +1.00 / +2.64% | 38.20 | 39.10 | 37.90 | 38.90 | 38.63 | 16.01 | 271,200 |   |  			
            | 1/11/2017 | -0.10 / -0.26% | 37.80 | 38.00 | 37.80 | 37.90 | 37.95 | 15.60 | 80,700 |   |  
            | 1/10/2017 | +1.00 / +2.70% | 37.50 | 38.30 | 36.40 | 38.00 | 37.42 | 15.64 | 223,058 |   |  			
            | 1/9/2017 | -2.00 / -5.13% | 39.00 | 39.00 | 37.00 | 37.00 | 38.48 | 15.22 | 329,042 |   |  
            | 1/6/2017 | -0.40 / -1.02% | 39.50 | 39.50 | 38.90 | 39.00 | 39.15 | 16.05 | 193,140 |   |  			
            | 1/5/2017 | +0.10 / +0.25% | 39.40 | 39.60 | 39.20 | 39.40 | 39.42 | 16.21 | 106,750 |   |  
            | 1/4/2017 | +0.80 / +2.08% | 38.50 | 39.60 | 38.40 | 39.30 | 39.26 | 16.17 | 256,279 |   |  			
            | 1/3/2017 | -0.20 / -0.52% | 38.70 | 39.00 | 38.50 | 38.50 | 38.64 | 15.84 | 101,100 |   |  
            | 12/30/2016 | +0.30 / +0.78% | 38.30 | 38.80 | 38.30 | 38.70 | 38.54 | 15.92 | 170,150 |   |  			
            | 12/29/2016 | -0.10 / -0.26% | 38.50 | 38.80 | 38.00 | 38.40 | 38.15 | 15.80 | 77,782 |   |  
            | 12/28/2016 | -0.40 / -1.03% | 39.00 | 39.00 | 37.80 | 38.50 | 38.13 | 15.84 | 214,150 |   |  			
            | 12/27/2016 | -0.10 / -0.26% | 39.00 | 39.00 | 38.10 | 38.90 | 38.51 | 16.01 | 116,120 |   |  
            | 12/26/2016 | -0.30 / -0.76% | 39.50 | 39.50 | 38.40 | 39.00 | 38.74 | 16.05 | 75,880 |   |  			
            | 12/23/2016 | 0.00 / 0.00% | 39.70 | 39.70 | 38.50 | 39.30 | 39.06 | 16.17 | 143,550 |   |  
            | 12/22/2016 | -0.50 / -1.26% | 40.00 | 40.00 | 39.30 | 39.30 | 39.59 | 16.17 | 93,650 |   |  			
            | 12/21/2016 | -0.20 / -0.50% | 40.00 | 40.20 | 39.50 | 39.80 | 39.85 | 16.38 | 157,697 |   |  
            | 12/20/2016 | +1.00 / +2.56% | 39.00 | 40.00 | 39.00 | 40.00 | 39.55 | 16.46 | 178,530 |   |  			
            | 12/19/2016 | -1.00 / -2.50% | 40.00 | 41.00 | 39.00 | 39.00 | 39.90 | 16.05 | 258,751 |   |  
            | 12/16/2016 | +0.40 / +1.01% | 39.90 | 41.90 | 39.40 | 40.00 | 40.68 | 16.46 | 501,390 |   |  			
            | 12/15/2016 | +2.60 / +7.03% | 37.10 | 40.00 | 37.00 | 39.60 | 38.90 | 16.29 | 802,400 |   |  
            | 12/14/2016 | +1.70 / +4.82% | 34.90 | 37.00 | 34.80 | 37.00 | 36.35 | 15.22 | 235,218 |   |  |