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                    Closing price on 8/6/2015
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                    | Open | 11.20 |  
                    | High | 11.20 |  
                    | Low | 11.10 |  
                    | Volume | 200 |  
                    | Split-adjusted Price | 6.91 |  
                
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 |  NST Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/6/2015 | +0.20 / +1.82% | 11.20 | 11.20 | 11.10 | 11.20 | 11.15 | 6.91 | 200 |   |  
            | 8/5/2015 | -0.20 / -1.79% | 10.10 | 11.00 | 10.10 | 11.00 | 10.60 | 6.79 | 300 |   |  			
            | 8/4/2015 | 0.00 / 0.00% | 11.20 | 11.20 | 11.20 | 11.20 | 11.20 | 6.91 | 0 |   |  
            | 8/3/2015 | 0.00 / 0.00% | 11.20 | 11.20 | 11.20 | 11.20 | 11.20 | 6.91 | 0 |   |  			
            | 7/31/2015 | 0.00 / 0.00% | 11.20 | 11.20 | 11.20 | 11.20 | 11.20 | 6.91 | 2 |   |  
            | 7/30/2015 | +0.40 / +3.70% | 11.20 | 11.20 | 11.20 | 11.20 | 11.20 | 6.91 | 100 |   |  			
            | 7/29/2015 | -0.40 / -3.57% | 10.10 | 10.80 | 10.10 | 10.80 | 10.16 | 6.67 | 1,100 |   |  
            | 7/28/2015 | 0.00 / 0.00% | 11.20 | 11.20 | 11.20 | 11.20 | 11.20 | 6.91 | 0 |   |  			
            | 7/27/2015 | -0.60 / -5.08% | 10.70 | 11.20 | 10.70 | 11.20 | 10.95 | 6.91 | 200 |   |  
            | 7/24/2015 | 0.00 / 0.00% | 11.80 | 11.80 | 11.80 | 11.80 | 11.80 | 7.28 | 0 |   |  			
            | 7/23/2015 | 0.00 / 0.00% | 11.80 | 11.80 | 11.80 | 11.80 | 11.80 | 7.28 | 0 |   |  
            | 7/22/2015 | 0.00 / 0.00% | 11.80 | 11.80 | 11.80 | 11.80 | 11.80 | 7.28 | 0 |   |  			
            | 7/21/2015 | +0.60 / +5.36% | 10.20 | 11.80 | 10.20 | 11.80 | 10.34 | 7.28 | 1,405 |   |  
            | 7/20/2015 | 0.00 / 0.00% | 11.50 | 11.50 | 10.50 | 11.20 | 10.58 | 6.91 | 1,800 |   |  			
            | 7/17/2015 | +1.00 / +9.80% | 11.20 | 11.20 | 11.20 | 11.20 | 11.20 | 6.91 | 200 |   |  
            | 7/16/2015 | -1.10 / -9.73% | 10.20 | 10.20 | 10.20 | 10.20 | 10.20 | 6.30 | 800 |   |  			
            | 7/15/2015 | +0.80 / +7.62% | 11.30 | 11.30 | 11.30 | 11.30 | 11.30 | 6.98 | 100 |   |  
            | 7/14/2015 | -1.10 / -9.48% | 10.50 | 10.50 | 10.50 | 10.50 | 10.50 | 6.48 | 100 |   |  			
            | 7/13/2015 | 0.00 / 0.00% | 10.50 | 11.60 | 10.50 | 11.60 | 10.56 | 7.16 | 1,800 |   |  
            | 7/10/2015 | +0.10 / +0.87% | 11.80 | 11.80 | 10.40 | 11.60 | 10.63 | 7.16 | 1,600 |   |  			
            | 7/9/2015 | -0.40 / -3.36% | 10.80 | 11.50 | 10.80 | 11.50 | 10.98 | 7.10 | 2,800 |   |  
            | 7/8/2015 | 0.00 / 0.00% | 11.90 | 11.90 | 11.90 | 11.90 | 11.90 | 7.35 | 0 |   |  			
            | 7/7/2015 | 0.00 / 0.00% | 11.90 | 11.90 | 11.90 | 11.90 | 11.90 | 7.35 | 0 |   |  
            | 7/6/2015 | +0.80 / +7.21% | 11.90 | 11.90 | 11.90 | 11.90 | 11.90 | 7.35 | 200 |   |  			
            | 7/3/2015 | -0.40 / -3.48% | 10.70 | 11.10 | 10.70 | 11.10 | 10.80 | 6.85 | 500 |   |  
            | 7/2/2015 | +0.80 / +7.48% | 11.50 | 11.50 | 10.00 | 11.50 | 10.41 | 7.10 | 3,300 |   |  			
            | 7/1/2015 | -0.70 / -6.14% | 10.30 | 10.70 | 10.30 | 10.70 | 10.40 | 6.61 | 2,400 |   |  
            | 6/30/2015 | -0.10 / -0.87% | 12.20 | 12.20 | 10.40 | 11.40 | 10.68 | 7.04 | 9,100 |   |  			
            | 6/29/2015 | 0.00 / 0.00% | 11.50 | 11.50 | 11.50 | 11.50 | 11.50 | 7.10 | 0 |   |  
            | 6/26/2015 | +0.10 / +0.88% | 10.30 | 11.50 | 10.30 | 11.50 | 11.40 | 7.10 | 2,200 |   |  |