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                    Closing price on 8/3/2017
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        |           
                
                    | Open | 8.10 |  
                    | High | 8.10 |  
                    | Low | 8.00 |  
                    | Volume | 48,800 |  
                    | Split-adjusted Price | 8.00 |  
                
             | 
 |  VKC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/3/2017 | -0.10 / -1.23% | 8.10 | 8.10 | 8.00 | 8.00 | 8.02 | 8.00 | 48,800 |   |  
            | 8/2/2017 | 0.00 / 0.00% | 8.10 | 8.20 | 8.00 | 8.10 | 8.07 | 8.10 | 42,244 |   |  			
            | 8/1/2017 | +0.20 / +2.53% | 7.90 | 8.10 | 7.90 | 8.10 | 8.03 | 8.10 | 34,585 |   |  
            | 7/31/2017 | -0.10 / -1.25% | 8.00 | 8.10 | 7.90 | 7.90 | 7.96 | 7.90 | 103,836 |   |  			
            | 7/28/2017 | -0.20 / -2.44% | 8.20 | 8.30 | 8.00 | 8.00 | 8.11 | 8.00 | 229,900 |   |  
            | 7/27/2017 | -0.20 / -2.38% | 8.40 | 8.40 | 8.20 | 8.20 | 8.27 | 8.20 | 197,500 |   |  			
            | 7/26/2017 | +0.10 / +1.20% | 8.10 | 8.50 | 8.10 | 8.40 | 8.37 | 8.40 | 95,400 |   |  
            | 7/25/2017 | +0.70 / +9.21% | 8.00 | 8.30 | 7.40 | 8.30 | 7.96 | 8.30 | 212,850 |   |  			
            | 7/24/2017 | -0.60 / -7.32% | 8.20 | 8.20 | 7.50 | 7.60 | 7.75 | 7.60 | 708,450 |   |  
            | 7/21/2017 | -0.90 / -9.89% | 8.90 | 9.00 | 8.20 | 8.20 | 8.28 | 8.20 | 491,956 |   |  			
            | 7/20/2017 | -0.60 / -6.19% | 9.60 | 9.70 | 8.80 | 9.10 | 9.14 | 9.10 | 266,150 |   |  
            | 7/19/2017 | -0.10 / -1.02% | 9.80 | 9.80 | 9.60 | 9.70 | 9.71 | 9.70 | 16,354 |   |  			
            | 7/18/2017 | 0.00 / 0.00% | 9.80 | 9.80 | 9.60 | 9.80 | 9.66 | 9.80 | 27,710 |   |  
            | 7/17/2017 | -0.10 / -1.01% | 9.80 | 9.90 | 9.60 | 9.80 | 9.70 | 9.80 | 118,300 |   |  			
            | 7/14/2017 | 0.00 / 0.00% | 9.90 | 9.90 | 9.70 | 9.90 | 9.81 | 9.90 | 43,084 |   |  
            | 7/13/2017 | +0.10 / +1.02% | 9.80 | 9.90 | 9.70 | 9.90 | 9.81 | 9.90 | 18,695 |   |  			
            | 7/12/2017 | 0.00 / 0.00% | 9.70 | 9.80 | 9.70 | 9.80 | 9.74 | 9.80 | 70,420 |   |  
            | 7/11/2017 | -0.20 / -2.00% | 10.10 | 10.10 | 9.60 | 9.80 | 9.89 | 9.80 | 145,750 |   |  			
            | 7/10/2017 | -0.30 / -2.91% | 10.20 | 10.20 | 9.90 | 10.00 | 10.06 | 10.00 | 202,700 |   |  
            | 7/7/2017 | -0.10 / -0.96% | 10.40 | 10.50 | 10.30 | 10.30 | 10.41 | 10.30 | 154,820 |   |  			
            | 7/6/2017 | +0.10 / +0.97% | 10.10 | 10.50 | 10.10 | 10.40 | 10.32 | 10.40 | 41,020 |   |  
            | 7/5/2017 | +0.10 / +0.98% | 10.10 | 10.30 | 10.10 | 10.30 | 10.16 | 10.30 | 68,017 |   |  			
            | 7/4/2017 | -0.20 / -1.92% | 10.30 | 10.30 | 10.00 | 10.20 | 10.13 | 10.20 | 194,860 |   |  
            | 7/3/2017 | -0.10 / -0.95% | 10.30 | 10.40 | 10.20 | 10.40 | 10.33 | 10.40 | 63,070 |   |  			
            | 6/30/2017 | +0.20 / +1.94% | 10.20 | 10.50 | 10.20 | 10.50 | 10.33 | 10.50 | 66,639 |   |  
            | 6/29/2017 | -0.10 / -0.96% | 10.30 | 10.40 | 10.20 | 10.30 | 10.33 | 10.30 | 55,433 |   |  			
            | 6/28/2017 | +0.10 / +0.97% | 10.30 | 10.40 | 10.20 | 10.40 | 10.33 | 10.40 | 45,848 |   |  
            | 6/27/2017 | -0.30 / -2.83% | 10.50 | 10.50 | 10.30 | 10.30 | 10.39 | 10.30 | 136,776 |   |  			
            | 6/26/2017 | 0.00 / 0.00% | 10.50 | 10.60 | 10.40 | 10.60 | 10.46 | 10.60 | 97,570 |   |  
            | 6/23/2017 | -0.20 / -1.85% | 10.50 | 10.60 | 10.40 | 10.60 | 10.49 | 10.60 | 105,033 |   |  |