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            | 
                    Closing price on 9/9/2016
                 |  |  
    
        |           
                
                    | Open | 9.60 |  
                    | High | 9.60 |  
                    | Low | 9.60 |  
                    | Volume | 400 |  
                    | Split-adjusted Price | 6.53 |  
                
             | 
 |  NST Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/9/2016 | +0.50 / +5.49% | 9.60 | 9.60 | 9.60 | 9.60 | 9.60 | 6.53 | 400 |   |  
            | 9/8/2016 | 0.00 / 0.00% | 9.10 | 9.10 | 9.10 | 9.10 | 9.10 | 6.19 | 0 |   |  			
            | 9/7/2016 | 0.00 / 0.00% | 9.10 | 9.10 | 9.10 | 9.10 | 9.10 | 6.19 | 0 |   |  
            | 9/6/2016 | 0.00 / 0.00% | 9.10 | 9.10 | 9.10 | 9.10 | 9.10 | 6.19 | 0 |   |  			
            | 9/5/2016 | 0.00 / 0.00% | 9.10 | 9.10 | 9.10 | 9.10 | 9.10 | 6.19 | 0 |   |  
            | 9/1/2016 | +0.70 / +8.33% | 8.30 | 9.10 | 8.30 | 9.10 | 8.35 | 6.19 | 2,100 |   |  			
            | 8/31/2016 | +0.60 / +7.69% | 7.80 | 8.40 | 7.80 | 8.40 | 7.95 | 5.71 | 3,600 |   |  
            | 8/30/2016 | 0.00 / 0.00% | 7.80 | 7.80 | 7.80 | 7.80 | 7.80 | 5.31 | 0 |   |  			
            | 8/29/2016 | 0.00 / 0.00% | 7.80 | 7.80 | 7.80 | 7.80 | 7.80 | 5.31 | 0 |   |  
            | 8/26/2016 | 0.00 / 0.00% | 7.80 | 7.80 | 7.80 | 7.80 | 7.80 | 5.31 | 100 |   |  			
            | 8/25/2016 | -0.20 / -2.50% | 7.20 | 7.80 | 7.20 | 7.80 | 7.29 | 5.31 | 700 |   |  
            | 8/24/2016 | +0.20 / +2.56% | 7.20 | 8.00 | 7.20 | 8.00 | 7.60 | 5.44 | 600 |   |  			
            | 8/23/2016 | 0.00 / 0.00% | 7.80 | 7.80 | 7.80 | 7.80 | 7.80 | 5.31 | 0 |   |  
            | 8/22/2016 | -0.10 / -1.27% | 7.40 | 7.80 | 7.40 | 7.80 | 7.60 | 5.31 | 200 |   |  			
            | 8/19/2016 | 0.00 / 0.00% | 7.90 | 7.90 | 7.90 | 7.90 | 7.90 | 5.37 | 0 |   |  
            | 8/18/2016 | +0.30 / +3.95% | 7.90 | 7.90 | 7.90 | 7.90 | 7.90 | 5.37 | 100 |   |  			
            | 8/17/2016 | +0.40 / +5.56% | 7.60 | 7.60 | 7.60 | 7.60 | 7.60 | 5.17 | 100 |   |  
            | 8/16/2016 | -0.80 / -10.00% | 7.50 | 7.50 | 7.20 | 7.20 | 7.50 | 4.90 | 3,400 |   |  			
            | 8/15/2016 | 0.00 / 0.00% | 8.00 | 8.00 | 8.00 | 8.00 | 8.00 | 5.44 | 0 |   |  
            | 8/12/2016 | -0.40 / -4.76% | 7.60 | 8.20 | 7.60 | 8.00 | 7.66 | 5.44 | 5,600 |   |  			
            | 8/11/2016 | 0.00 / 0.00% | 7.90 | 8.40 | 7.60 | 8.40 | 7.62 | 5.71 | 5,300 |   |  
            | 8/10/2016 | +0.20 / +2.44% | 7.80 | 8.40 | 7.80 | 8.40 | 7.80 | 5.71 | 200 |   |  			
            | 8/9/2016 | -0.90 / -9.89% | 8.30 | 8.30 | 8.20 | 8.20 | 8.21 | 5.58 | 2,500 |   |  
            | 8/8/2016 | +0.40 / +4.60% | 8.00 | 9.10 | 8.00 | 9.10 | 8.83 | 6.19 | 1,900 |   |  			
            | 8/5/2016 | -0.40 / -4.40% | 8.30 | 8.80 | 8.20 | 8.70 | 8.27 | 5.92 | 2,200 |   |  
            | 8/4/2016 | -0.10 / -1.09% | 9.10 | 9.10 | 9.10 | 9.10 | 9.10 | 6.19 | 700 |   |  			
            | 8/3/2016 | -0.10 / -1.08% | 8.40 | 9.30 | 8.40 | 9.20 | 8.58 | 6.26 | 1,618 |   |  
            | 8/2/2016 | -0.10 / -1.06% | 8.50 | 9.60 | 8.50 | 9.30 | 8.74 | 6.33 | 1,300 |   |  			
            | 8/1/2016 | -0.40 / -4.08% | 8.90 | 9.40 | 8.90 | 9.40 | 8.90 | 6.39 | 6,100 |   |  
            | 7/29/2016 | -0.10 / -1.01% | 10.00 | 10.00 | 9.80 | 9.80 | 10.00 | 6.67 | 600 |   |  |