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                    Closing price on 6/17/2016
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                    | Open | 10.00 |  
                    | High | 10.70 |  
                    | Low | 10.00 |  
                    | Volume | 2,000 |  
                    | Split-adjusted Price | 7.28 |  
                
             | 
 |  NST Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/17/2016 | +0.60 / +5.94% | 10.00 | 10.70 | 10.00 | 10.70 | 10.13 | 7.28 | 2,000 |   |  
            | 6/16/2016 | 0.00 / 0.00% | 10.10 | 10.10 | 10.10 | 10.10 | 10.10 | 6.87 | 0 |   |  			
            | 6/15/2016 | 0.00 / 0.00% | 10.10 | 10.10 | 10.10 | 10.10 | 10.10 | 6.87 | 0 |   |  
            | 6/14/2016 | +0.30 / +3.06% | 10.00 | 10.10 | 10.00 | 10.10 | 10.03 | 6.87 | 300 |   |  			
            | 6/13/2016 | -0.20 / -2.00% | 10.00 | 10.20 | 9.50 | 9.80 | 9.86 | 6.67 | 800 |   |  
            | 6/10/2016 | -0.10 / -0.99% | 10.00 | 10.00 | 10.00 | 10.00 | 10.00 | 6.80 | 100 |   |  			
            | 6/9/2016 | +0.10 / +1.00% | 10.40 | 10.40 | 9.20 | 10.10 | 9.75 | 6.87 | 400 |   |  
            | 6/8/2016 | +0.50 / +5.26% | 9.40 | 10.10 | 9.40 | 10.00 | 9.75 | 6.80 | 300 |   |  			
            | 6/7/2016 | -1.00 / -9.52% | 10.50 | 10.80 | 9.50 | 9.50 | 9.76 | 6.46 | 7,100 |   |  
            | 6/6/2016 | -0.40 / -3.67% | 11.10 | 11.20 | 10.50 | 10.50 | 11.15 | 7.14 | 700 |   |  			
            | 6/3/2016 | -0.30 / -2.68% | 10.10 | 10.90 | 10.10 | 10.90 | 10.50 | 7.42 | 200 |   |  
            | 6/2/2016 | +0.40 / +3.70% | 9.80 | 11.20 | 9.80 | 11.20 | 10.22 | 7.62 | 5,800 |   |  			
            | 6/1/2016 | -0.70 / -6.09% | 10.40 | 10.80 | 10.40 | 10.80 | 10.60 | 7.35 | 200 |   |  
            | 5/31/2016 | +0.90 / +8.49% | 9.60 | 11.60 | 9.60 | 11.50 | 10.16 | 7.82 | 9,800 |   |  			
            | 5/30/2016 | -0.10 / -0.93% | 10.70 | 10.70 | 9.70 | 10.60 | 10.18 | 7.21 | 700 |   |  
            | 5/27/2016 | -0.50 / -4.46% | 10.10 | 11.00 | 10.10 | 10.70 | 10.17 | 7.28 | 3,500 |   |  			
            | 5/26/2016 | 0.00 / 0.00% | 11.20 | 11.20 | 11.20 | 11.20 | 11.20 | 7.62 | 0 |   |  
            | 5/25/2016 | +0.60 / +5.66% | 10.60 | 11.20 | 10.60 | 11.20 | 10.63 | 7.62 | 1,900 |   |  			
            | 5/24/2016 | 0.00 / 0.00% | 9.60 | 10.60 | 9.60 | 10.60 | 10.10 | 7.21 | 200 |   |  
            | 5/23/2016 | -0.40 / -3.64% | 9.90 | 10.60 | 9.90 | 10.60 | 10.05 | 7.21 | 700 |   |  			
            | 5/20/2016 | +1.00 / +10.00% | 10.00 | 11.00 | 10.00 | 11.00 | 10.03 | 7.48 | 5,400 |   |  
            | 5/19/2016 | +0.60 / +6.38% | 9.20 | 10.00 | 9.10 | 10.00 | 9.40 | 6.80 | 400 |   |  			
            | 5/18/2016 | -0.20 / -2.08% | 10.40 | 10.40 | 9.40 | 9.40 | 10.13 | 6.39 | 400 |   |  
            | 5/17/2016 | -1.00 / -9.43% | 10.50 | 11.30 | 9.60 | 9.60 | 10.60 | 6.53 | 2,300 |   |  			
            | 5/16/2016 | -0.10 / -0.93% | 9.70 | 10.60 | 9.70 | 10.60 | 10.33 | 7.21 | 400 |   |  
            | 5/13/2016 | +0.40 / +3.88% | 10.30 | 10.90 | 10.30 | 10.70 | 10.33 | 7.28 | 3,400 |   |  			
            | 5/12/2016 | +0.40 / +4.04% | 10.30 | 10.80 | 9.00 | 10.30 | 9.90 | 7.01 | 6,200 |   |  
            | 5/11/2016 | -1.10 / -10.00% | 9.90 | 9.90 | 9.90 | 9.90 | 9.90 | 6.73 | 700 |   |  			
            | 5/10/2016 | -0.40 / -3.51% | 10.30 | 11.00 | 10.30 | 11.00 | 10.36 | 7.48 | 1,100 |   |  
            | 5/9/2016 | -1.20 / -9.52% | 11.40 | 11.40 | 11.40 | 11.40 | 11.40 | 7.76 | 100 |   |  |