| 
    
        
            | 
                    Closing price on 7/27/2018
                 |  |  
    
        |           
                
                    | Open | 43.50 |  
                    | High | 43.70 |  
                    | Low | 43.00 |  
                    | Volume | 10,200 |  
                    | Split-adjusted Price | 15.89 |  
                
             | 
 |  NTP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/27/2018 | +1.00 / +2.35% | 43.50 | 43.70 | 43.00 | 43.60 | 43.53 | 15.89 | 10,200 |   |  
            | 7/26/2018 | +0.30 / +0.71% | 44.00 | 44.50 | 42.60 | 42.60 | 44.24 | 15.53 | 2,900 |   |  			
            | 7/25/2018 | -0.40 / -0.94% | 42.60 | 43.20 | 42.30 | 42.30 | 42.33 | 15.42 | 5,200 |   |  
            | 7/24/2018 | -0.80 / -1.84% | 42.70 | 42.70 | 42.70 | 42.70 | 42.70 | 15.56 | 2,041 |   |  			
            | 7/23/2018 | +1.00 / +2.35% | 42.50 | 43.50 | 42.50 | 43.50 | 42.72 | 15.85 | 32,400 |   |  
            | 7/20/2018 | +0.20 / +0.47% | 42.30 | 44.10 | 42.30 | 42.50 | 42.40 | 15.49 | 2,200 |   |  			
            | 7/19/2018 | -1.50 / -3.42% | 43.80 | 44.00 | 42.00 | 42.30 | 42.61 | 15.42 | 12,600 |   |  
            | 7/18/2018 | +0.30 / +0.69% | 43.50 | 44.40 | 43.50 | 43.80 | 43.69 | 15.96 | 3,900 |   |  			
            | 7/17/2018 | +0.10 / +0.23% | 43.00 | 43.50 | 43.00 | 43.50 | 43.22 | 15.85 | 6,800 |   |  
            | 7/16/2018 | +0.40 / +0.93% | 43.00 | 43.40 | 43.00 | 43.40 | 43.13 | 15.82 | 300 |   |  			
            | 7/13/2018 | +0.50 / +1.18% | 42.00 | 43.00 | 42.00 | 43.00 | 42.71 | 15.67 | 9,200 |   |  
            | 7/12/2018 | +0.50 / +1.19% | 42.50 | 42.50 | 42.00 | 42.50 | 42.15 | 15.49 | 6,100 |   |  			
            | 7/11/2018 | -1.00 / -2.33% | 42.00 | 42.10 | 41.50 | 42.00 | 41.92 | 15.31 | 30,000 |   |  
            | 7/10/2018 | +0.60 / +1.42% | 43.00 | 43.00 | 42.00 | 43.00 | 42.55 | 15.67 | 7,500 |   |  			
            | 7/9/2018 | +1.40 / +3.41% | 41.20 | 43.00 | 41.20 | 42.40 | 42.20 | 15.45 | 9,200 |   |  
            | 7/6/2018 | 0.00 / 0.00% | 41.00 | 42.20 | 41.00 | 41.00 | 41.68 | 14.94 | 13,600 |   |  			
            | 7/5/2018 | -1.00 / -2.38% | 41.50 | 42.00 | 41.00 | 41.00 | 41.23 | 14.94 | 16,700 |   |  
            | 7/4/2018 | +1.60 / +3.96% | 42.00 | 42.70 | 42.00 | 42.00 | 42.25 | 15.31 | 5,200 |   |  			
            | 7/3/2018 | -4.30 / -9.62% | 44.70 | 45.00 | 40.40 | 40.40 | 42.82 | 14.72 | 20,300 |   |  
            | 7/2/2018 | -1.30 / -2.83% | 45.00 | 46.00 | 44.70 | 44.70 | 44.93 | 16.29 | 15,100 |   |  			
            | 6/29/2018 | 0.00 / 0.00% | 47.50 | 47.50 | 45.90 | 46.00 | 46.15 | 16.77 | 7,500 |   |  
            | 6/28/2018 | -1.50 / -3.16% | 47.00 | 47.00 | 46.00 | 46.00 | 46.12 | 16.77 | 20,000 |   |  			
            | 6/27/2018 | -0.50 / -1.04% | 48.00 | 48.00 | 46.00 | 47.50 | 46.31 | 17.31 | 21,500 |   |  
            | 6/26/2018 | +1.20 / +2.56% | 48.00 | 48.00 | 48.00 | 48.00 | 48.00 | 17.49 | 300 |   |  			
            | 6/25/2018 | -2.60 / -5.26% | 46.00 | 48.50 | 46.00 | 46.80 | 46.98 | 17.06 | 6,300 |   |  
            | 6/22/2018 | +3.20 / +6.93% | 48.90 | 50.80 | 48.90 | 49.40 | 50.55 | 18.00 | 6,500 |   |  			
            | 6/21/2018 | -1.70 / -3.55% | 47.00 | 48.00 | 46.20 | 46.20 | 46.83 | 16.84 | 6,000 |   |  
            | 6/20/2018 | +0.40 / +0.84% | 49.00 | 49.00 | 45.60 | 47.90 | 45.90 | 17.46 | 2,300 |   |  			
            | 6/19/2018 | -0.90 / -1.86% | 47.00 | 47.50 | 43.60 | 47.50 | 45.64 | 17.31 | 20,600 |   |  
            | 6/18/2018 | -0.10 / -0.21% | 49.00 | 49.00 | 48.40 | 48.40 | 48.45 | 17.64 | 4,800 |   |  |