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            | 
                    Closing price on 4/26/2019
                 |  |  
    
        |           
                
                    | Open | 3.30 |  
                    | High | 3.50 |  
                    | Low | 3.30 |  
                    | Volume | 5,100 |  
                    | Split-adjusted Price | 3.50 |  
                
             | 
 |  PV2 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/26/2019 | +0.10 / +2.94% | 3.30 | 3.50 | 3.30 | 3.50 | 3.30 | 3.50 | 5,100 |   |  
            | 4/25/2019 | +0.20 / +6.25% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 13,200 |   |  			
            | 4/24/2019 | 0.00 / 0.00% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 0 |   |  
            | 4/23/2019 | -0.10 / -3.03% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 200 |   |  			
            | 4/22/2019 | 0.00 / 0.00% | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 0 |   |  
            | 4/19/2019 | 0.00 / 0.00% | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 3,400 |   |  			
            | 4/18/2019 | -0.10 / -2.94% | 3.40 | 3.40 | 3.30 | 3.30 | 3.37 | 3.30 | 1,500 |   |  
            | 4/17/2019 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 600 |   |  			
            | 4/16/2019 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 900 |   |  
            | 4/12/2019 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 1,500 |   |  			
            | 4/11/2019 | +0.20 / +6.25% | 3.30 | 3.40 | 3.30 | 3.40 | 3.31 | 3.40 | 1,200 |   |  
            | 4/10/2019 | -0.20 / -5.88% | 3.40 | 3.40 | 3.20 | 3.20 | 3.30 | 3.20 | 4,900 |   |  			
            | 4/9/2019 | -0.20 / -5.56% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 2,000 |   |  
            | 4/8/2019 | 0.00 / 0.00% | 3.60 | 3.60 | 3.60 | 3.60 | 3.60 | 3.60 | 0 |   |  			
            | 4/5/2019 | +0.10 / +2.86% | 3.50 | 3.60 | 3.50 | 3.60 | 3.54 | 3.60 | 3,500 |   |  
            | 4/4/2019 | +0.10 / +2.94% | 3.40 | 3.50 | 3.40 | 3.50 | 3.42 | 3.50 | 6,500 |   |  			
            | 4/3/2019 | +0.20 / +6.25% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 100 |   |  
            | 4/2/2019 | 0.00 / 0.00% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 100 |   |  			
            | 4/1/2019 | 0.00 / 0.00% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 0 |   |  
            | 3/29/2019 | 0.00 / 0.00% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 300 |   |  			
            | 3/28/2019 | 0.00 / 0.00% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 0 |   |  
            | 3/27/2019 | -0.20 / -5.88% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 800 |   |  			
            | 3/26/2019 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 0 |   |  
            | 3/25/2019 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 2,000 |   |  			
            | 3/22/2019 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 100 |   |  
            | 3/21/2019 | +0.10 / +3.03% | 3.30 | 3.40 | 3.30 | 3.40 | 3.36 | 3.40 | 5,000 |   |  			
            | 3/20/2019 | -0.10 / -2.94% | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 3.30 | 100 |   |  
            | 3/19/2019 | 0.00 / 0.00% | 3.30 | 3.40 | 3.30 | 3.40 | 3.33 | 3.40 | 3,000 |   |  			
            | 3/18/2019 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 2,500 |   |  
            | 3/15/2019 | 0.00 / 0.00% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 14,300 |   |  |