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                    Closing price on 8/3/2020
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                    | Open | 4.00 |  
                    | High | 4.10 |  
                    | Low | 3.90 |  
                    | Volume | 137,900 |  
                    | Split-adjusted Price | 4.10 |  
                
             | 
 |  VKC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 7/30/2020 | +0.10 / +2.63% | 3.80 | 3.90 | 3.70 | 3.90 | 3.80 | 3.90 | 121,700 |   |  
            | 7/29/2020 | -0.10 / -2.56% | 4.00 | 4.00 | 3.60 | 3.80 | 3.73 | 3.80 | 114,700 |   |  			
            | 7/28/2020 | +0.30 / +8.33% | 3.30 | 3.90 | 3.30 | 3.90 | 3.66 | 3.90 | 131,800 |   |  
            | 7/27/2020 | -0.40 / -10.00% | 4.00 | 4.00 | 3.60 | 3.60 | 3.77 | 3.60 | 137,100 |   |  			
            | 7/24/2020 | -0.20 / -4.76% | 4.20 | 4.20 | 4.00 | 4.00 | 4.01 | 4.00 | 119,200 |   |  
            | 7/23/2020 | 0.00 / 0.00% | 4.20 | 4.30 | 4.10 | 4.20 | 4.17 | 4.20 | 103,300 |   |  			
            | 7/22/2020 | +0.30 / +7.69% | 4.00 | 4.20 | 3.60 | 4.20 | 3.96 | 4.20 | 126,400 |   |  
            | 7/21/2020 | -0.40 / -9.30% | 4.40 | 4.40 | 3.90 | 3.90 | 4.07 | 3.90 | 100,000 |   |  			
            | 7/20/2020 | -0.30 / -6.52% | 4.70 | 4.70 | 4.20 | 4.30 | 4.42 | 4.30 | 98,900 |   |  
            | 7/17/2020 | -0.30 / -6.12% | 4.90 | 4.90 | 4.50 | 4.60 | 4.67 | 4.60 | 104,000 |   |  			
            | 7/16/2020 | 0.00 / 0.00% | 5.00 | 5.00 | 4.90 | 4.90 | 4.95 | 4.90 | 19,800 |   |  
            | 7/15/2020 | +0.20 / +4.26% | 4.90 | 4.90 | 4.90 | 4.90 | 4.90 | 4.90 | 5,000 |   |  			
            | 7/14/2020 | -0.10 / -2.08% | 4.90 | 5.00 | 4.70 | 4.70 | 4.90 | 4.70 | 4,100 |   |  
            | 7/13/2020 | -0.10 / -2.04% | 4.90 | 5.00 | 4.80 | 4.80 | 4.81 | 4.80 | 9,100 |   |  			
            | 7/10/2020 | -0.10 / -2.00% | 5.10 | 5.10 | 4.70 | 4.90 | 4.86 | 4.90 | 100,000 |   |  
            | 7/9/2020 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 62,600 |   |  			
            | 7/8/2020 | -0.10 / -1.96% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 23,800 |   |  
            | 7/7/2020 | +0.10 / +2.00% | 5.10 | 5.10 | 5.10 | 5.10 | 5.10 | 5.10 | 34,200 |   |  			
            | 7/6/2020 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 32,400 |   |  
            | 7/3/2020 | 0.00 / 0.00% | 5.00 | 5.00 | 4.90 | 5.00 | 4.98 | 5.00 | 108,700 |   |  			
            | 7/2/2020 | 0.00 / 0.00% | 4.90 | 5.00 | 4.90 | 5.00 | 4.94 | 5.00 | 96,000 |   |  
            | 7/1/2020 | +0.20 / +4.17% | 4.90 | 5.10 | 4.90 | 5.00 | 4.96 | 5.00 | 13,000 |   |  			
            | 6/30/2020 | -0.10 / -2.04% | 4.70 | 4.90 | 4.70 | 4.80 | 4.88 | 4.80 | 32,100 |   |  
            | 6/29/2020 | -0.10 / -2.00% | 4.70 | 5.10 | 4.70 | 4.90 | 4.85 | 4.90 | 32,100 |   |  			
            | 6/26/2020 | +0.10 / +2.04% | 4.80 | 5.00 | 4.80 | 5.00 | 4.89 | 5.00 | 26,200 |   |  
            | 6/25/2020 | -0.10 / -2.00% | 4.80 | 5.30 | 4.80 | 4.90 | 5.02 | 4.90 | 110,900 |   |  			
            | 6/24/2020 | -0.10 / -1.96% | 4.90 | 5.40 | 4.90 | 5.00 | 5.06 | 5.00 | 52,300 |   |  
            | 6/23/2020 | -0.30 / -5.56% | 5.70 | 5.70 | 4.90 | 5.10 | 5.16 | 5.10 | 166,500 |   |  |