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                    Closing price on 8/5/2021
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                    | Open | 10.15 |  
                    | High | 10.15 |  
                    | Low | 9.00 |  
                    | Volume | 10,471,500 |  
                    | Split-adjusted Price | 8.66 |  
                
             | 
 |  VOS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/5/2021 | -0.21 / -2.21% | 10.15 | 10.15 | 9.00 | 9.30 | 9.67 | 8.66 | 10,471,500 |   |  
            | 8/4/2021 | +0.62 / +6.97% | 9.51 | 9.51 | 9.51 | 9.51 | 9.51 | 8.85 | 1,617,400 |   |  			
            | 8/3/2021 | +0.58 / +6.98% | 8.89 | 8.89 | 8.89 | 8.89 | 8.89 | 8.27 | 1,340,100 |   |  
            | 8/2/2021 | +0.54 / +6.95% | 8.20 | 8.31 | 8.00 | 8.31 | 8.26 | 7.74 | 2,585,900 |   |  			
            | 7/30/2021 | +0.50 / +6.88% | 7.40 | 7.77 | 7.40 | 7.77 | 7.72 | 7.23 | 5,355,200 |   |  
            | 7/29/2021 | +0.47 / +6.91% | 6.80 | 7.27 | 6.80 | 7.27 | 7.09 | 6.77 | 1,471,400 |   |  			
            | 7/28/2021 | -0.18 / -2.58% | 6.76 | 7.01 | 6.76 | 6.80 | 6.85 | 6.33 | 1,395,900 |   |  
            | 7/27/2021 | -0.29 / -3.99% | 7.31 | 7.40 | 6.80 | 6.98 | 7.11 | 6.50 | 2,577,400 |   |  			
            | 7/26/2021 | -0.04 / -0.55% | 7.15 | 7.37 | 7.00 | 7.27 | 7.19 | 6.77 | 1,303,500 |   |  
            | 7/23/2021 | -0.33 / -4.32% | 7.68 | 7.80 | 7.30 | 7.31 | 7.51 | 6.80 | 2,028,000 |   |  			
            | 7/22/2021 | +0.40 / +5.52% | 7.48 | 7.73 | 7.30 | 7.64 | 7.58 | 7.11 | 3,459,300 |   |  
            | 7/21/2021 | -0.12 / -1.63% | 7.55 | 7.55 | 7.19 | 7.24 | 7.31 | 6.74 | 893,300 |   |  			
            | 7/20/2021 | +0.18 / +2.51% | 7.13 | 7.40 | 7.10 | 7.36 | 7.25 | 6.85 | 1,058,600 |   |  
            | 7/19/2021 | -0.10 / -1.37% | 6.85 | 7.65 | 6.83 | 7.18 | 7.14 | 6.68 | 1,450,400 |   |  			
            | 7/16/2021 | +0.33 / +4.75% | 6.90 | 7.43 | 6.84 | 7.28 | 7.20 | 6.78 | 1,859,900 |   |  
            | 7/15/2021 | +0.07 / +1.02% | 6.80 | 6.99 | 6.73 | 6.95 | 6.90 | 6.47 | 750,000 |   |  			
            | 7/14/2021 | +0.02 / +0.29% | 6.95 | 7.20 | 6.82 | 6.88 | 6.96 | 6.40 | 1,191,500 |   |  
            | 7/13/2021 | +0.44 / +6.85% | 6.21 | 6.86 | 6.21 | 6.86 | 6.60 | 6.39 | 1,580,500 |   |  			
            | 7/12/2021 | -0.48 / -6.96% | 6.80 | 6.91 | 6.42 | 6.42 | 6.48 | 5.98 | 1,682,500 |   |  
            | 7/9/2021 | -0.30 / -4.17% | 6.80 | 7.30 | 6.72 | 6.90 | 6.99 | 6.42 | 1,385,700 |   |  			
            | 7/8/2021 | +0.11 / +1.55% | 7.57 | 7.57 | 7.14 | 7.20 | 7.36 | 6.70 | 1,984,900 |   |  
            | 7/7/2021 | -0.21 / -2.88% | 6.93 | 7.20 | 6.79 | 7.09 | 6.85 | 6.60 | 3,959,800 |   |  			
            | 7/6/2021 | -0.40 / -5.19% | 7.90 | 8.10 | 7.30 | 7.30 | 7.81 | 6.79 | 1,300,100 |   |  
            | 7/5/2021 | +0.31 / +4.19% | 7.90 | 7.90 | 7.39 | 7.70 | 7.66 | 7.17 | 2,403,100 |   |  			
            | 7/2/2021 | +0.48 / +6.95% | 6.43 | 7.39 | 6.43 | 7.39 | 6.84 | 6.88 | 9,755,500 |   |  
            | 7/1/2021 | -0.52 / -7.00% | 6.91 | 6.91 | 6.91 | 6.91 | 6.91 | 6.43 | 886,400 |   |  			
            | 6/30/2021 | -0.55 / -6.89% | 7.43 | 7.43 | 7.43 | 7.43 | 7.43 | 6.92 | 222,300 |   |  
            | 6/29/2021 | -0.59 / -6.88% | 7.98 | 7.98 | 7.98 | 7.98 | 7.98 | 7.43 | 1,320,800 |   |  			
            | 6/28/2021 | +0.15 / +1.78% | 9.00 | 9.00 | 8.42 | 8.57 | 8.83 | 7.98 | 6,241,900 |   |  
            | 6/25/2021 | +0.55 / +6.99% | 8.42 | 8.42 | 8.20 | 8.42 | 8.42 | 7.84 | 3,554,300 |   |  |  |