| 
    
        
            | 
                    Closing price on 3/13/2019
                 |  |  
    
        |           
                
                    | Open | 1.70 |  
                    | High | 1.80 |  
                    | Low | 1.70 |  
                    | Volume | 140,400 |  
                    | Split-adjusted Price | 1.80 |  
                
             | 
 |  DST Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/13/2019 | 0.00 / 0.00% | 1.70 | 1.80 | 1.70 | 1.80 | 1.76 | 1.80 | 140,400 |   |  
            | 3/12/2019 | 0.00 / 0.00% | 1.80 | 1.80 | 1.70 | 1.80 | 1.71 | 1.80 | 223,400 |   |  			
            | 3/11/2019 | 0.00 / 0.00% | 1.80 | 1.80 | 1.70 | 1.80 | 1.73 | 1.80 | 86,200 |   |  
            | 3/8/2019 | 0.00 / 0.00% | 1.90 | 1.90 | 1.70 | 1.80 | 1.82 | 1.80 | 374,100 |   |  			
            | 3/7/2019 | +0.10 / +5.88% | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 1.80 | 554,300 |   |  
            | 3/6/2019 | 0.00 / 0.00% | 1.80 | 1.80 | 1.70 | 1.70 | 1.73 | 1.70 | 80,700 |   |  			
            | 3/5/2019 | 0.00 / 0.00% | 1.70 | 1.80 | 1.70 | 1.70 | 1.70 | 1.70 | 232,300 |   |  
            | 3/4/2019 | -0.10 / -5.56% | 1.70 | 1.80 | 1.70 | 1.70 | 1.71 | 1.70 | 215,100 |   |  			
            | 3/1/2019 | +0.10 / +5.88% | 1.60 | 1.80 | 1.60 | 1.80 | 1.71 | 1.80 | 125,500 |   |  
            | 2/28/2019 | 0.00 / 0.00% | 1.80 | 1.80 | 1.60 | 1.70 | 1.70 | 1.70 | 87,700 |   |  			
            | 2/27/2019 | 0.00 / 0.00% | 1.70 | 1.80 | 1.70 | 1.70 | 1.70 | 1.70 | 165,500 |   |  
            | 2/26/2019 | -0.10 / -5.56% | 1.70 | 1.80 | 1.70 | 1.70 | 1.70 | 1.70 | 207,500 |   |  			
            | 2/25/2019 | 0.00 / 0.00% | 1.70 | 1.80 | 1.70 | 1.80 | 1.70 | 1.80 | 461,400 |   |  
            | 2/22/2019 | 0.00 / 0.00% | 1.70 | 1.80 | 1.70 | 1.80 | 1.71 | 1.80 | 77,800 |   |  			
            | 2/21/2019 | 0.00 / 0.00% | 1.80 | 1.80 | 1.70 | 1.80 | 1.74 | 1.80 | 97,000 |   |  
            | 2/20/2019 | 0.00 / 0.00% | 1.70 | 1.80 | 1.70 | 1.80 | 1.74 | 1.80 | 132,000 |   |  			
            | 2/19/2019 | -0.10 / -5.26% | 1.90 | 1.90 | 1.80 | 1.80 | 1.80 | 1.80 | 358,600 |   |  
            | 2/18/2019 | +0.10 / +5.56% | 1.80 | 1.90 | 1.80 | 1.90 | 1.80 | 1.90 | 124,700 |   |  			
            | 2/15/2019 | 0.00 / 0.00% | 1.80 | 1.90 | 1.70 | 1.80 | 1.78 | 1.80 | 280,400 |   |  
            | 2/14/2019 | 0.00 / 0.00% | 1.80 | 1.80 | 1.70 | 1.80 | 1.77 | 1.80 | 84,800 |   |  			
            | 2/13/2019 | 0.00 / 0.00% | 1.80 | 1.90 | 1.70 | 1.80 | 1.80 | 1.80 | 166,000 |   |  
            | 2/12/2019 | -0.10 / -5.26% | 1.90 | 1.90 | 1.80 | 1.80 | 1.80 | 1.80 | 355,300 |   |  			
            | 2/11/2019 | +0.10 / +5.56% | 1.80 | 1.90 | 1.70 | 1.90 | 1.81 | 1.90 | 184,300 |   |  
            | 2/1/2019 | +0.10 / +5.88% | 1.70 | 1.80 | 1.70 | 1.80 | 1.73 | 1.80 | 89,100 |   |  			
            | 1/31/2019 | +0.10 / +6.25% | 1.70 | 1.70 | 1.60 | 1.70 | 1.70 | 1.70 | 431,600 |   |  
            | 1/30/2019 | 0.00 / 0.00% | 1.60 | 1.70 | 1.50 | 1.60 | 1.61 | 1.60 | 119,800 |   |  			
            | 1/29/2019 | -0.10 / -5.88% | 1.70 | 1.70 | 1.60 | 1.60 | 1.61 | 1.60 | 349,500 |   |  
            | 1/28/2019 | -0.10 / -5.56% | 1.80 | 1.80 | 1.70 | 1.70 | 1.71 | 1.70 | 403,700 |   |  			
            | 1/25/2019 | 0.00 / 0.00% | 1.90 | 1.90 | 1.80 | 1.80 | 1.82 | 1.80 | 120,200 |   |  
            | 1/24/2019 | 0.00 / 0.00% | 1.80 | 1.90 | 1.70 | 1.80 | 1.80 | 1.80 | 340,600 |   |  |