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            | 
                    Closing price on 9/11/2020
                 |  |  
    
        |           
                
                    | Open | 5.00 |  
                    | High | 5.20 |  
                    | Low | 4.70 |  
                    | Volume | 191,300 |  
                    | Split-adjusted Price | 4.70 |  
                
             | 
 |  VKC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/11/2020 | -0.40 / -7.84% | 5.00 | 5.20 | 4.70 | 4.70 | 4.85 | 4.70 | 191,300 |   |  
            | 9/10/2020 | -0.20 / -3.77% | 4.90 | 5.50 | 4.80 | 5.10 | 5.23 | 5.10 | 167,400 |   |  			
            | 9/9/2020 | +0.40 / +8.16% | 5.00 | 5.30 | 5.00 | 5.30 | 5.25 | 5.30 | 125,300 |   |  
            | 9/8/2020 | +0.40 / +8.89% | 4.50 | 4.90 | 4.40 | 4.90 | 4.76 | 4.90 | 129,400 |   |  			
            | 9/7/2020 | +0.10 / +2.27% | 4.40 | 4.60 | 4.30 | 4.50 | 4.35 | 4.50 | 157,400 |   |  
            | 9/4/2020 | 0.00 / 0.00% | 4.20 | 4.40 | 4.10 | 4.40 | 4.20 | 4.40 | 166,700 |   |  			
            | 9/3/2020 | +0.10 / +2.33% | 4.20 | 4.40 | 4.10 | 4.40 | 4.21 | 4.40 | 116,600 |   |  
            | 9/1/2020 | +0.10 / +2.38% | 4.20 | 4.30 | 4.10 | 4.30 | 4.20 | 4.30 | 136,000 |   |  			
            | 8/31/2020 | -0.10 / -2.33% | 4.30 | 4.30 | 4.20 | 4.20 | 4.20 | 4.20 | 160,400 |   |  
            | 8/28/2020 | 0.00 / 0.00% | 4.20 | 4.50 | 4.20 | 4.30 | 4.22 | 4.30 | 125,100 |   |  			
            | 8/27/2020 | +0.20 / +4.88% | 4.10 | 4.30 | 4.10 | 4.30 | 4.20 | 4.30 | 173,730 |   |  
            | 8/26/2020 | -0.20 / -4.65% | 4.30 | 4.30 | 4.00 | 4.10 | 4.14 | 4.10 | 157,600 |   |  			
            | 8/25/2020 | -0.20 / -4.44% | 4.40 | 4.40 | 4.20 | 4.30 | 4.37 | 4.30 | 59,200 |   |  
            | 8/24/2020 | +0.10 / +2.27% | 4.50 | 4.60 | 4.30 | 4.50 | 4.41 | 4.50 | 160,800 |   |  			
            | 8/21/2020 | 0.00 / 0.00% | 4.50 | 4.50 | 4.30 | 4.40 | 4.37 | 4.40 | 94,400 |   |  
            | 8/20/2020 | +0.30 / +7.32% | 4.10 | 4.40 | 4.10 | 4.40 | 4.21 | 4.40 | 148,400 |   |  			
            | 8/19/2020 | 0.00 / 0.00% | 4.10 | 4.10 | 4.10 | 4.10 | 4.10 | 4.10 | 10,800 |   |  
            | 8/18/2020 | 0.00 / 0.00% | 4.00 | 4.20 | 4.00 | 4.10 | 4.07 | 4.10 | 92,600 |   |  			
            | 8/17/2020 | +0.10 / +2.50% | 3.80 | 4.10 | 3.80 | 4.10 | 3.99 | 4.10 | 152,700 |   |  
            | 8/14/2020 | -0.20 / -4.76% | 4.20 | 4.20 | 4.00 | 4.00 | 4.10 | 4.00 | 132,100 |   |  			
            | 8/13/2020 | +0.20 / +5.00% | 4.10 | 4.20 | 4.00 | 4.20 | 4.07 | 4.20 | 139,100 |   |  
            | 8/12/2020 | -0.20 / -4.76% | 4.20 | 4.20 | 4.00 | 4.00 | 4.09 | 4.00 | 37,600 |   |  			
            | 8/11/2020 | -0.10 / -2.33% | 4.20 | 4.30 | 4.20 | 4.20 | 4.26 | 4.20 | 113,100 |   |  
            | 8/10/2020 | 0.00 / 0.00% | 4.30 | 4.30 | 4.00 | 4.30 | 4.20 | 4.30 | 106,100 |   |  			
            | 8/7/2020 | +0.10 / +2.38% | 4.20 | 4.30 | 4.20 | 4.30 | 4.20 | 4.30 | 114,300 |   |  
            | 8/6/2020 | +0.10 / +2.44% | 3.90 | 4.20 | 3.90 | 4.20 | 4.02 | 4.20 | 157,300 |   |  			
            | 8/5/2020 | 0.00 / 0.00% | 4.10 | 4.10 | 4.00 | 4.10 | 4.01 | 4.10 | 100,300 |   |  
            | 8/4/2020 | 0.00 / 0.00% | 4.10 | 4.20 | 4.10 | 4.10 | 4.12 | 4.10 | 93,600 |   |  			
            | 8/3/2020 | +0.10 / +2.50% | 4.00 | 4.10 | 3.90 | 4.10 | 3.96 | 4.10 | 137,900 |   |  
            | 7/31/2020 | +0.10 / +2.56% | 3.80 | 4.10 | 3.70 | 4.00 | 3.93 | 4.00 | 139,000 |   |  |