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                    Closing price on 1/3/2018
                 |  |  
    
        |           
                
                    | Open | 67.70 |  
                    | High | 69.20 |  
                    | Low | 66.00 |  
                    | Volume | 117,572 |  
                    | Split-adjusted Price | 23.37 |  
                
             | 
 |  NTP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/3/2018 | -1.60 / -2.36% | 67.70 | 69.20 | 66.00 | 66.10 | 67.02 | 23.37 | 117,572 |   |  
            | 1/2/2018 | -2.30 / -3.29% | 70.50 | 70.50 | 67.60 | 67.70 | 68.36 | 23.94 | 58,980 |   |  			
            | 12/29/2017 | -1.00 / -1.41% | 71.00 | 71.50 | 67.00 | 70.00 | 69.20 | 24.75 | 136,669 |   |  
            | 12/28/2017 | +3.00 / +4.41% | 67.30 | 71.10 | 67.30 | 71.00 | 69.54 | 25.10 | 117,625 |   |  			
            | 12/27/2017 | -2.00 / -2.86% | 69.10 | 70.50 | 67.60 | 68.00 | 68.38 | 24.04 | 43,590 |   |  
            | 12/26/2017 | -1.50 / -2.10% | 70.60 | 70.60 | 69.60 | 70.00 | 69.98 | 24.75 | 64,519 |   |  			
            | 12/25/2017 | -1.10 / -1.52% | 71.00 | 72.00 | 70.70 | 71.50 | 71.29 | 25.28 | 19,428 |   |  
            | 12/22/2017 | 0.00 / 0.00% | 72.00 | 72.60 | 70.00 | 72.60 | 71.18 | 25.67 | 57,072 |   |  			
            | 12/21/2017 | +0.10 / +0.14% | 72.50 | 72.70 | 71.60 | 72.60 | 72.27 | 25.67 | 28,150 |   |  
            | 12/20/2017 | -0.40 / -0.55% | 72.90 | 73.00 | 71.00 | 72.50 | 72.10 | 25.63 | 95,040 |   |  			
            | 12/19/2017 | -2.30 / -3.06% | 74.00 | 74.20 | 72.90 | 72.90 | 73.48 | 25.77 | 31,240 |   |  
            | 12/18/2017 | +0.20 / +0.27% | 76.50 | 77.00 | 74.00 | 75.20 | 75.77 | 26.59 | 101,040 |   |  			
            | 12/15/2017 | +1.10 / +1.49% | 76.60 | 76.60 | 74.00 | 75.00 | 74.16 | 26.52 | 17,223 |   |  
            | 12/14/2017 | 0.00 / 0.00% | 73.10 | 74.90 | 73.10 | 73.90 | 74.05 | 26.13 | 37,631 |   |  			
            | 12/13/2017 | -0.60 / -0.81% | 74.70 | 75.70 | 73.00 | 73.90 | 74.12 | 26.13 | 62,800 |   |  
            | 12/12/2017 | +2.00 / +2.76% | 74.00 | 77.10 | 72.50 | 74.50 | 74.03 | 26.34 | 58,165 |   |  			
            | 12/11/2017 | -1.30 / -1.76% | 73.80 | 73.80 | 71.50 | 72.50 | 72.25 | 25.63 | 49,020 |   |  
            | 12/8/2017 | -2.90 / -3.78% | 77.00 | 77.00 | 73.00 | 73.80 | 74.99 | 26.09 | 85,147 |   |  			
            | 12/7/2017 | -2.20 / -2.79% | 78.90 | 79.50 | 76.70 | 76.70 | 77.18 | 27.12 | 40,398 |   |  
            | 12/6/2017 | +1.90 / +2.47% | 80.00 | 80.00 | 76.10 | 78.90 | 78.09 | 27.89 | 101,730 |   |  			
            | 12/5/2017 | -4.00 / -4.94% | 81.00 | 81.00 | 75.50 | 77.00 | 78.82 | 27.22 | 194,493 |   |  
            | 12/4/2017 | -1.40 / -1.70% | 82.40 | 83.40 | 79.00 | 81.00 | 80.35 | 28.64 | 142,356 |   |  			
            | 12/1/2017 | -3.20 / -3.74% | 85.00 | 85.00 | 82.00 | 82.40 | 82.44 | 29.13 | 79,980 |   |  
            | 11/30/2017 | -2.10 / -2.39% | 88.50 | 90.00 | 83.00 | 85.60 | 85.93 | 30.26 | 162,482 |   |  			
            | 11/29/2017 | +4.80 / +5.79% | 82.90 | 88.00 | 81.50 | 87.70 | 85.24 | 31.01 | 269,986 |   |  
            | 11/28/2017 | +0.20 / +0.24% | 82.60 | 83.40 | 82.50 | 82.90 | 82.86 | 29.31 | 84,610 |   |  			
            | 11/27/2017 | +0.20 / +0.24% | 82.70 | 83.50 | 81.90 | 82.70 | 82.85 | 29.24 | 77,213 |   |  
            | 11/24/2017 | -0.50 / -0.60% | 83.00 | 83.00 | 81.50 | 82.50 | 82.13 | 29.17 | 84,300 |   |  			
            | 11/23/2017 | +1.00 / +1.22% | 82.50 | 83.40 | 81.20 | 83.00 | 82.49 | 29.34 | 107,279 |   |  
            | 11/22/2017 | -0.50 / -0.61% | 81.00 | 82.50 | 80.60 | 82.00 | 81.61 | 28.99 | 49,854 |   |  |