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                    Closing price on 6/1/2015
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                    | Open | 26.30 |  
                    | High | 26.80 |  
                    | Low | 25.80 |  
                    | Volume | 169,997 |  
                    | Split-adjusted Price | 8.19 |  
                
             | 
 |  CVT Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/1/2015 | +0.50 / +1.94% | 26.30 | 26.80 | 25.80 | 26.30 | 26.41 | 8.19 | 169,997 |   |  
            | 5/29/2015 | +0.80 / +3.20% | 25.00 | 25.80 | 25.00 | 25.80 | 25.52 | 8.03 | 389,600 |   |  			
            | 5/28/2015 | +0.10 / +0.40% | 24.90 | 25.20 | 24.80 | 25.00 | 24.92 | 7.78 | 159,900 |   |  
            | 5/27/2015 | 0.00 / 0.00% | 24.70 | 25.20 | 24.70 | 24.90 | 24.99 | 7.75 | 148,700 |   |  			
            | 5/26/2015 | -0.10 / -0.40% | 25.00 | 25.30 | 24.80 | 24.90 | 25.04 | 7.75 | 121,300 |   |  
            | 5/25/2015 | +0.20 / +0.81% | 24.80 | 25.30 | 24.80 | 25.00 | 24.98 | 7.78 | 151,900 |   |  			
            | 5/22/2015 | -0.10 / -0.40% | 24.90 | 25.10 | 24.70 | 24.80 | 24.90 | 7.72 | 110,900 |   |  
            | 5/21/2015 | +0.50 / +2.05% | 24.40 | 25.00 | 24.00 | 24.90 | 24.48 | 7.75 | 211,900 |   |  			
            | 5/20/2015 | +1.10 / +4.72% | 23.10 | 24.60 | 23.10 | 24.40 | 23.89 | 7.60 | 153,400 |   |  
            | 5/19/2015 | +0.90 / +4.02% | 22.80 | 23.30 | 22.80 | 23.30 | 23.00 | 7.25 | 137,537 |   |  			
            | 5/18/2015 | -0.70 / -3.03% | 23.00 | 23.00 | 22.40 | 22.40 | 22.80 | 6.97 | 177,310 |   |  
            | 5/15/2015 | -0.70 / -2.94% | 23.70 | 23.80 | 23.10 | 23.10 | 23.57 | 7.19 | 172,740 |   |  			
            | 5/14/2015 | -0.40 / -1.65% | 24.30 | 24.30 | 23.70 | 23.80 | 23.84 | 7.41 | 42,750 |   |  
            | 5/13/2015 | +0.30 / +1.26% | 23.90 | 24.30 | 23.60 | 24.20 | 23.93 | 7.54 | 108,826 |   |  			
            | 5/12/2015 | +0.30 / +1.27% | 25.30 | 25.30 | 23.60 | 23.90 | 23.92 | 7.44 | 199,910 |   |  
            | 5/11/2015 | -0.40 / -1.67% | 24.10 | 24.50 | 23.60 | 23.60 | 24.14 | 7.35 | 128,000 |   |  			
            | 5/8/2015 | +0.30 / +1.27% | 23.90 | 24.40 | 23.80 | 24.00 | 24.07 | 7.47 | 93,000 |   |  
            | 5/7/2015 | +0.90 / +3.95% | 22.90 | 23.80 | 22.90 | 23.70 | 23.41 | 7.38 | 220,361 |   |  			
            | 5/6/2015 | -0.70 / -2.98% | 23.30 | 23.70 | 22.50 | 22.80 | 23.04 | 7.10 | 89,500 |   |  
            | 5/5/2015 | +0.50 / +2.17% | 23.00 | 23.60 | 22.40 | 23.50 | 22.95 | 7.32 | 180,600 |   |  			
            | 5/4/2015 | -2.10 / -8.37% | 25.10 | 25.10 | 23.00 | 23.00 | 24.61 | 7.16 | 223,310 |   |  
            | 4/27/2015 | -0.20 / -0.79% | 25.20 | 25.30 | 25.00 | 25.10 | 25.11 | 7.82 | 90,500 |   |  			
            | 4/24/2015 | +0.30 / +1.20% | 25.40 | 25.40 | 25.20 | 25.30 | 25.30 | 7.88 | 37,000 |   |  
            | 4/23/2015 | -0.40 / -1.57% | 25.30 | 25.40 | 25.00 | 25.00 | 25.25 | 7.78 | 139,700 |   |  			
            | 4/22/2015 | -0.10 / -0.39% | 25.50 | 25.50 | 25.30 | 25.40 | 25.46 | 7.91 | 97,300 |   |  
            | 4/21/2015 | -0.30 / -1.16% | 26.10 | 26.10 | 25.40 | 25.50 | 25.69 | 7.94 | 94,500 |   |  			
            | 4/20/2015 | +0.40 / +1.57% | 25.50 | 26.00 | 25.50 | 25.80 | 25.73 | 8.03 | 162,200 |   |  
            | 4/17/2015 | -0.30 / -1.17% | 25.70 | 25.70 | 25.40 | 25.40 | 25.63 | 7.91 | 96,900 |   |  			
            | 4/16/2015 | +0.10 / +0.39% | 25.60 | 25.70 | 25.50 | 25.70 | 25.60 | 8.00 | 163,400 |   |  
            | 4/15/2015 | +0.10 / +0.39% | 25.50 | 26.10 | 25.50 | 25.60 | 25.82 | 7.97 | 86,221 |   |  |