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                    Closing price on 3/2/2018
                 |  |  
    
        |           
                
                    | Open | 67.70 |  
                    | High | 67.70 |  
                    | Low | 66.80 |  
                    | Volume | 49,540 |  
                    | Split-adjusted Price | 23.69 |  
                
             | 
 |  NTP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/2/2018 | -0.70 / -1.03% | 67.70 | 67.70 | 66.80 | 67.00 | 67.09 | 23.69 | 49,540 |   |  
            | 3/1/2018 | -1.00 / -1.46% | 68.00 | 68.00 | 67.00 | 67.70 | 67.78 | 23.94 | 20,510 |   |  			
            | 2/28/2018 | +0.10 / +0.15% | 68.60 | 69.00 | 67.60 | 68.70 | 68.48 | 24.29 | 15,963 |   |  
            | 2/27/2018 | +1.00 / +1.48% | 67.60 | 68.60 | 66.90 | 68.60 | 67.34 | 24.25 | 40,910 |   |  			
            | 2/26/2018 | -2.30 / -3.29% | 69.50 | 69.60 | 66.10 | 67.60 | 67.27 | 23.90 | 31,501 |   |  
            | 2/23/2018 | +1.70 / +2.49% | 68.20 | 70.00 | 67.00 | 69.90 | 69.52 | 24.71 | 54,400 |   |  			
            | 2/22/2018 | -1.20 / -1.73% | 68.00 | 70.00 | 68.00 | 68.20 | 69.33 | 24.11 | 27,750 |   |  
            | 2/21/2018 | +0.90 / +1.31% | 68.50 | 69.40 | 68.50 | 69.40 | 68.89 | 24.54 | 15,123 |   |  			
            | 2/13/2018 | +4.00 / +6.20% | 66.70 | 69.40 | 66.70 | 68.50 | 68.76 | 24.22 | 48,455 |   |  
            | 2/12/2018 | +0.50 / +0.78% | 64.00 | 65.00 | 64.00 | 64.50 | 64.52 | 22.80 | 3,700 |   |  			
            | 2/9/2018 | -0.80 / -1.23% | 63.10 | 64.00 | 60.10 | 64.00 | 63.04 | 22.63 | 35,721 |   |  
            | 2/8/2018 | +1.80 / +2.86% | 68.50 | 69.30 | 63.10 | 64.80 | 64.62 | 22.91 | 13,400 |   |  			
            | 2/7/2018 | +3.00 / +5.00% | 62.90 | 66.00 | 62.20 | 63.00 | 64.69 | 22.27 | 66,821 |   |  
            | 2/6/2018 | -3.00 / -4.76% | 63.50 | 63.50 | 58.50 | 60.00 | 59.34 | 21.21 | 192,850 |   |  			
            | 2/5/2018 | -2.60 / -3.96% | 65.20 | 65.30 | 63.00 | 63.00 | 64.08 | 22.27 | 116,115 |   |  
            | 2/2/2018 | -0.80 / -1.20% | 66.00 | 66.50 | 65.20 | 65.60 | 65.75 | 23.19 | 99,460 |   |  			
            | 2/1/2018 | -0.60 / -0.90% | 66.90 | 67.00 | 66.00 | 66.40 | 66.44 | 23.48 | 79,010 |   |  
            | 1/31/2018 | -1.00 / -1.47% | 67.80 | 67.80 | 66.80 | 67.00 | 67.22 | 23.69 | 43,140 |   |  			
            | 1/30/2018 | +0.50 / +0.74% | 69.00 | 70.90 | 66.50 | 68.00 | 67.36 | 24.04 | 98,115 |   |  
            | 1/29/2018 | -0.50 / -0.74% | 68.10 | 68.10 | 66.80 | 67.50 | 67.41 | 23.86 | 51,055 |   |  			
            | 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 |   |  |