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            | 
                    Closing price on 9/27/2017
                 |  |  
    
        |           
                
                    | Open | 2.90 |  
                    | High | 3.10 |  
                    | Low | 2.90 |  
                    | Volume | 1,200 |  
                    | Split-adjusted Price | 3.10 |  
                
             | 
 |  SD7 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/27/2017 | 0.00 / 0.00% | 2.90 | 3.10 | 2.90 | 3.10 | 3.00 | 3.10 | 1,200 |   |  
            | 9/26/2017 | 0.00 / 0.00% | 3.00 | 3.10 | 3.00 | 3.10 | 3.01 | 3.10 | 1,200 |   |  			
            | 9/25/2017 | 0.00 / 0.00% | 3.00 | 3.10 | 3.00 | 3.10 | 3.00 | 3.10 | 78,593 |   |  
            | 9/22/2017 | 0.00 / 0.00% | 3.00 | 3.10 | 3.00 | 3.10 | 3.01 | 3.10 | 1,100 |   |  			
            | 9/21/2017 | 0.00 / 0.00% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 0 |   |  
            | 9/20/2017 | -0.10 / -3.13% | 3.00 | 3.10 | 3.00 | 3.10 | 3.05 | 3.10 | 20,100 |   |  			
            | 9/19/2017 | +0.20 / +6.67% | 3.00 | 3.20 | 3.00 | 3.20 | 3.05 | 3.20 | 400 |   |  
            | 9/18/2017 | +0.20 / +7.14% | 3.00 | 3.00 | 2.90 | 3.00 | 2.99 | 3.00 | 2,800 |   |  			
            | 9/15/2017 | -0.30 / -9.68% | 3.20 | 3.20 | 2.80 | 2.80 | 3.00 | 2.80 | 72,500 |   |  
            | 9/14/2017 | -0.10 / -3.13% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 13,400 |   |  			
            | 9/13/2017 | 0.00 / 0.00% | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 3.20 | 0 |   |  
            | 9/12/2017 | +0.10 / +3.23% | 3.00 | 3.20 | 3.00 | 3.20 | 3.01 | 3.20 | 3,900 |   |  			
            | 9/11/2017 | -0.10 / -3.13% | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3.10 | 3,700 |   |  
            | 9/8/2017 | 0.00 / 0.00% | 3.10 | 3.20 | 3.10 | 3.20 | 3.11 | 3.20 | 3,600 |   |  			
            | 9/7/2017 | -0.10 / -3.03% | 3.20 | 3.20 | 3.10 | 3.20 | 3.15 | 3.20 | 21,510 |   |  
            | 9/6/2017 | +0.20 / +6.45% | 3.00 | 3.30 | 3.00 | 3.30 | 3.20 | 3.30 | 54,500 |   |  			
            | 9/5/2017 | -0.20 / -6.06% | 3.20 | 3.20 | 3.10 | 3.10 | 3.11 | 3.10 | 20,000 |   |  
            | 9/1/2017 | 0.00 / 0.00% | 3.20 | 3.30 | 3.20 | 3.30 | 3.20 | 3.30 | 5,640 |   |  			
            | 8/31/2017 | 0.00 / 0.00% | 3.20 | 3.30 | 3.20 | 3.30 | 3.25 | 3.30 | 10,200 |   |  
            | 8/30/2017 | -0.10 / -2.94% | 3.40 | 3.40 | 3.30 | 3.30 | 3.33 | 3.30 | 800 |   |  			
            | 8/29/2017 | 0.00 / 0.00% | 3.30 | 3.40 | 3.30 | 3.40 | 3.33 | 3.40 | 3,000 |   |  
            | 8/28/2017 | +0.20 / +6.25% | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 3.40 | 200 |   |  			
            | 8/25/2017 | -0.30 / -8.57% | 3.30 | 3.30 | 3.20 | 3.20 | 3.20 | 3.20 | 10,300 |   |  
            | 8/24/2017 | 0.00 / 0.00% | 3.30 | 3.50 | 3.20 | 3.50 | 3.30 | 3.50 | 18,600 |   |  			
            | 8/23/2017 | 0.00 / 0.00% | 3.40 | 3.50 | 3.20 | 3.50 | 3.31 | 3.50 | 2,200 |   |  
            | 8/22/2017 | 0.00 / 0.00% | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 3.50 | 100 |   |  			
            | 8/21/2017 | 0.00 / 0.00% | 3.40 | 3.50 | 3.40 | 3.50 | 3.40 | 3.50 | 3,000 |   |  
            | 8/18/2017 | 0.00 / 0.00% | 3.50 | 3.50 | 3.40 | 3.50 | 3.48 | 3.50 | 10,300 |   |  			
            | 8/17/2017 | 0.00 / 0.00% | 3.40 | 3.50 | 3.30 | 3.50 | 3.40 | 3.50 | 174,400 |   |  
            | 8/16/2017 | -0.10 / -2.78% | 3.50 | 3.60 | 3.30 | 3.50 | 3.43 | 3.50 | 104,600 |   |  |