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            | 
                    Closing price on 1/26/2018
                 |  |  
    
        |           
                
                    | Open | 69.50 |  
                    | High | 69.90 |  
                    | Low | 67.50 |  
                    | Volume | 71,654 |  
                    | Split-adjusted Price | 24.04 |  
                
             | 
 |  NTP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/26/2018 | -1.00 / -1.45% | 69.50 | 69.90 | 67.50 | 68.00 | 68.32 | 24.04 | 71,654 |   |  
            | 1/25/2018 | -1.00 / -1.43% | 71.00 | 73.00 | 68.70 | 69.00 | 70.44 | 24.39 | 123,534 |   |  			
            | 1/24/2018 | 0.00 / 0.00% | 70.10 | 71.10 | 69.50 | 70.00 | 70.33 | 24.75 | 65,715 |   |  
            | 1/23/2018 | +0.70 / +1.01% | 71.00 | 71.30 | 69.40 | 70.00 | 70.24 | 24.75 | 68,333 |   |  			
            | 1/22/2018 | +1.60 / +2.36% | 68.60 | 71.00 | 67.50 | 69.30 | 68.90 | 24.50 | 129,259 |   |  
            | 1/19/2018 | -0.30 / -0.44% | 68.90 | 69.30 | 67.50 | 67.70 | 67.76 | 23.94 | 58,168 |   |  			
            | 1/18/2018 | 0.00 / 0.00% | 67.00 | 69.00 | 67.00 | 68.00 | 67.71 | 24.04 | 27,134 |   |  
            | 1/17/2018 | -0.90 / -1.31% | 69.00 | 73.00 | 68.00 | 68.00 | 69.79 | 24.04 | 50,035 |   |  			
            | 1/16/2018 | -0.10 / -0.14% | 69.00 | 70.50 | 68.00 | 68.90 | 68.82 | 24.36 | 77,651 |   |  
            | 1/15/2018 | +0.20 / +0.29% | 67.60 | 73.00 | 67.00 | 69.00 | 70.93 | 24.39 | 149,570 |   |  			
            | 1/12/2018 | -0.20 / -0.29% | 69.20 | 69.20 | 66.60 | 68.80 | 67.62 | 24.32 | 58,751 |   |  
            | 1/11/2018 | +0.70 / +1.02% | 68.90 | 69.50 | 68.40 | 69.00 | 69.07 | 24.39 | 67,321 |   |  			
            | 1/10/2018 | +2.00 / +3.02% | 66.30 | 68.30 | 66.30 | 68.30 | 67.46 | 24.15 | 109,467 |   |  
            | 1/9/2018 | 0.00 / 0.00% | 66.30 | 66.80 | 66.20 | 66.30 | 66.28 | 23.44 | 65,141 |   |  			
            | 1/8/2018 | +0.10 / +0.15% | 66.10 | 67.50 | 65.80 | 66.30 | 66.58 | 23.44 | 94,768 |   |  
            | 1/5/2018 | 0.00 / 0.00% | 66.20 | 67.70 | 65.50 | 66.20 | 66.10 | 23.40 | 87,790 |   |  			
            | 1/4/2018 | +0.10 / +0.15% | 66.20 | 67.40 | 66.00 | 66.20 | 66.55 | 23.40 | 73,847 |   |  
            | 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 |   |  |