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            | 
                    Closing price on 9/28/2018
                 |  |  
    
        |           
                
                    | Open | 5.00 |  
                    | High | 5.00 |  
                    | Low | 5.00 |  
                    | Volume | 0 |  
                    | Split-adjusted Price | 3.87 |  
                
             | 
 |  DAS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/28/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  
            | 9/27/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  			
            | 9/26/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  
            | 9/25/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 22,000 |   |  			
            | 9/24/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  
            | 9/21/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  			
            | 9/20/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  
            | 9/19/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  			
            | 9/18/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  
            | 9/17/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  			
            | 9/14/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  
            | 9/13/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  			
            | 9/12/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  
            | 9/11/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 22,000 |   |  			
            | 9/10/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 4,209 |   |  
            | 9/7/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 10,920 |   |  			
            | 9/6/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 28,160 |   |  
            | 9/5/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  			
            | 9/4/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 22,000 |   |  
            | 8/31/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  			
            | 8/30/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  
            | 8/29/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  			
            | 8/28/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 8,172 |   |  
            | 8/27/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 6,518 |   |  			
            | 8/24/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 98,633 |   |  
            | 8/23/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 13,050 |   |  			
            | 8/22/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 19,974 |   |  
            | 8/21/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  			
            | 8/20/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  
            | 8/17/2018 | 0.00 / 0.00% | 5.00 | 5.00 | 5.00 | 5.00 | 5.00 | 3.87 | 0 |   |  |