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            | 
                    Closing price on 9/7/2017
                 |  |  
    
        |           
                
                    | Open | 7.70 |  
                    | High | 7.70 |  
                    | Low | 7.50 |  
                    | Volume | 27,530 |  
                    | Split-adjusted Price | 7.60 |  
                
             | 
 |  VKC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/7/2017 | -0.10 / -1.30% | 7.70 | 7.70 | 7.50 | 7.60 | 7.56 | 7.60 | 27,530 |   |  
            | 9/6/2017 | -0.10 / -1.28% | 7.80 | 7.80 | 7.40 | 7.70 | 7.52 | 7.70 | 189,999 |   |  			
            | 9/5/2017 | -0.10 / -1.27% | 7.90 | 7.90 | 7.80 | 7.80 | 7.85 | 7.80 | 14,514 |   |  
            | 9/1/2017 | 0.00 / 0.00% | 7.80 | 7.90 | 7.80 | 7.90 | 7.88 | 7.90 | 73,000 |   |  			
            | 8/31/2017 | -0.10 / -1.25% | 7.90 | 7.90 | 7.80 | 7.90 | 7.87 | 7.90 | 71,000 |   |  
            | 8/30/2017 | +0.10 / +1.27% | 7.90 | 8.00 | 7.90 | 8.00 | 7.90 | 8.00 | 41,078 |   |  			
            | 8/29/2017 | 0.00 / 0.00% | 7.90 | 7.90 | 7.90 | 7.90 | 7.90 | 7.90 | 51,100 |   |  
            | 8/28/2017 | -0.10 / -1.25% | 8.10 | 8.10 | 7.90 | 7.90 | 7.99 | 7.90 | 48,073 |   |  			
            | 8/25/2017 | 0.00 / 0.00% | 8.00 | 8.00 | 7.90 | 8.00 | 7.94 | 8.00 | 50,030 |   |  
            | 8/24/2017 | -0.10 / -1.23% | 8.10 | 8.20 | 8.00 | 8.00 | 8.03 | 8.00 | 41,500 |   |  			
            | 8/23/2017 | +0.10 / +1.25% | 8.10 | 8.20 | 8.10 | 8.10 | 8.10 | 8.10 | 82,756 |   |  
            | 8/22/2017 | -0.10 / -1.23% | 8.00 | 8.10 | 8.00 | 8.00 | 8.02 | 8.00 | 64,464 |   |  			
            | 8/21/2017 | 0.00 / 0.00% | 8.10 | 8.10 | 8.00 | 8.10 | 8.06 | 8.10 | 10,100 |   |  
            | 8/18/2017 | -0.10 / -1.22% | 8.10 | 8.10 | 7.90 | 8.10 | 8.07 | 8.10 | 93,100 |   |  			
            | 8/17/2017 | +0.10 / +1.23% | 8.10 | 8.20 | 8.00 | 8.20 | 8.10 | 8.20 | 34,064 |   |  
            | 8/16/2017 | 0.00 / 0.00% | 8.20 | 8.20 | 8.00 | 8.10 | 8.13 | 8.10 | 50,200 |   |  			
            | 8/15/2017 | -0.10 / -1.22% | 8.20 | 8.20 | 8.10 | 8.10 | 8.13 | 8.10 | 44,504 |   |  
            | 8/14/2017 | +0.10 / +1.23% | 8.00 | 8.30 | 8.00 | 8.20 | 8.13 | 8.20 | 99,777 |   |  			
            | 8/11/2017 | 0.00 / 0.00% | 8.00 | 8.10 | 7.90 | 8.10 | 7.95 | 8.10 | 32,300 |   |  
            | 8/10/2017 | +0.10 / +1.25% | 8.00 | 8.10 | 8.00 | 8.10 | 8.01 | 8.10 | 82,250 |   |  			
            | 8/9/2017 | 0.00 / 0.00% | 7.90 | 8.00 | 7.80 | 8.00 | 7.89 | 8.00 | 48,400 |   |  
            | 8/8/2017 | 0.00 / 0.00% | 8.00 | 8.10 | 7.80 | 8.00 | 7.97 | 8.00 | 81,701 |   |  			
            | 8/7/2017 | -0.10 / -1.23% | 7.90 | 8.10 | 7.90 | 8.00 | 8.05 | 8.00 | 40,493 |   |  
            | 8/4/2017 | +0.10 / +1.25% | 8.00 | 8.10 | 7.90 | 8.10 | 7.97 | 8.10 | 53,142 |   |  			
            | 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 |   |  |