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            | 
                    Closing price on 12/22/2017
                 |  |  
    
        |           
                
                    | Open | 25.40 |  
                    | High | 26.20 |  
                    | Low | 25.00 |  
                    | Volume | 24,300 |  
                    | Split-adjusted Price | 14.61 |  
                
             | 
 |  NET Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/22/2017 | +0.30 / +1.17% | 25.40 | 26.20 | 25.00 | 25.90 | 25.37 | 14.61 | 24,300 |   |  
            | 12/21/2017 | -0.40 / -1.54% | 26.00 | 26.00 | 25.60 | 25.60 | 25.91 | 14.45 | 6,760 |   |  			
            | 12/20/2017 | +0.20 / +0.78% | 26.00 | 26.00 | 26.00 | 26.00 | 26.00 | 14.67 | 2,530 |   |  
            | 12/19/2017 | -0.10 / -0.39% | 25.50 | 25.80 | 25.00 | 25.80 | 25.23 | 14.56 | 5,140 |   |  			
            | 12/18/2017 | 0.00 / 0.00% | 25.50 | 25.90 | 25.40 | 25.90 | 25.42 | 14.61 | 4,549 |   |  
            | 12/15/2017 | -0.20 / -0.77% | 25.50 | 25.90 | 25.50 | 25.90 | 25.55 | 14.61 | 2,400 |   |  			
            | 12/14/2017 | +0.60 / +2.35% | 25.50 | 26.10 | 25.50 | 26.10 | 25.56 | 14.73 | 45,000 |   |  
            | 12/13/2017 | +0.50 / +2.00% | 25.40 | 25.80 | 25.20 | 25.50 | 25.54 | 14.39 | 15,135 |   |  			
            | 12/12/2017 | -0.40 / -1.57% | 25.00 | 25.40 | 25.00 | 25.00 | 25.01 | 14.11 | 10,935 |   |  
            | 12/11/2017 | -0.10 / -0.39% | 25.20 | 25.40 | 25.00 | 25.40 | 25.06 | 14.33 | 8,940 |   |  			
            | 12/8/2017 | +0.50 / +2.00% | 25.00 | 25.50 | 25.00 | 25.50 | 25.09 | 14.39 | 2,954 |   |  
            | 12/7/2017 | -0.80 / -3.10% | 25.20 | 25.20 | 25.00 | 25.00 | 25.10 | 14.11 | 8,080 |   |  			
            | 12/6/2017 | -0.10 / -0.39% | 25.00 | 25.80 | 24.90 | 25.80 | 25.00 | 14.56 | 7,100 |   |  
            | 12/5/2017 | +0.20 / +0.78% | 25.10 | 25.90 | 24.90 | 25.90 | 25.04 | 14.61 | 20,100 |   |  			
            | 12/4/2017 | -0.30 / -1.15% | 25.70 | 25.90 | 23.40 | 25.70 | 24.84 | 14.50 | 29,660 |   |  
            | 12/1/2017 | +0.30 / +1.17% | 25.70 | 26.00 | 25.70 | 26.00 | 25.71 | 14.67 | 5,300 |   |  			
            | 11/30/2017 | -1.00 / -3.75% | 25.90 | 25.90 | 25.70 | 25.70 | 25.81 | 14.50 | 16,155 |   |  
            | 11/29/2017 | -0.20 / -0.74% | 26.80 | 26.80 | 26.30 | 26.70 | 26.53 | 14.50 | 22,320 |   |  			
            | 11/28/2017 | +0.10 / +0.37% | 27.10 | 27.80 | 26.70 | 26.90 | 26.99 | 14.61 | 22,000 |   |  
            | 11/27/2017 | -0.10 / -0.37% | 26.90 | 26.90 | 26.70 | 26.80 | 26.79 | 14.56 | 17,900 |   |  			
            | 11/24/2017 | 0.00 / 0.00% | 26.80 | 26.90 | 26.70 | 26.90 | 26.80 | 14.61 | 10,029 |   |  
            | 11/23/2017 | +0.10 / +0.37% | 26.90 | 27.00 | 26.70 | 26.90 | 26.89 | 14.61 | 8,100 |   |  			
            | 11/22/2017 | -2.00 / -6.94% | 27.20 | 27.20 | 26.80 | 26.80 | 26.99 | 14.56 | 1,906 |   |  
            | 11/21/2017 | +2.50 / +9.51% | 26.30 | 28.80 | 26.30 | 28.80 | 26.49 | 15.64 | 4,529 |   |  			
            | 11/20/2017 | 0.00 / 0.00% | 26.30 | 26.30 | 26.30 | 26.30 | 26.30 | 14.28 | 1,350 |   |  
            | 11/17/2017 | +0.20 / +0.77% | 26.20 | 26.30 | 26.20 | 26.30 | 26.24 | 14.28 | 2,101 |   |  			
            | 11/16/2017 | 0.00 / 0.00% | 26.10 | 26.20 | 26.10 | 26.10 | 26.12 | 14.18 | 2,600 |   |  
            | 11/15/2017 | 0.00 / 0.00% | 26.20 | 26.20 | 26.00 | 26.10 | 26.04 | 14.18 | 4,860 |   |  			
            | 11/14/2017 | -0.10 / -0.38% | 26.00 | 26.20 | 26.00 | 26.10 | 26.09 | 14.18 | 2,900 |   |  
            | 11/13/2017 | +0.10 / +0.38% | 26.00 | 26.20 | 26.00 | 26.20 | 26.03 | 14.23 | 8,500 |   |  |