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                    Closing price on 9/19/2016
                 |  |  
    
        |           
                
                    | Open | 78.30 |  
                    | High | 80.80 |  
                    | Low | 78.20 |  
                    | Volume | 93,769 |  
                    | Split-adjusted Price | 23.05 |  
                
             | 
 |  NTP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/19/2016 | +2.60 / +3.32% | 78.30 | 80.80 | 78.20 | 80.80 | 79.05 | 23.05 | 93,769 |   |  
            | 9/16/2016 | -0.80 / -1.01% | 79.10 | 80.00 | 78.00 | 78.20 | 78.64 | 22.31 | 23,958 |   |  			
            | 9/15/2016 | +0.60 / +0.77% | 79.60 | 79.80 | 78.20 | 79.00 | 78.91 | 22.54 | 32,263 |   |  
            | 9/14/2016 | -0.10 / -0.13% | 77.90 | 79.50 | 77.50 | 78.40 | 78.18 | 22.37 | 20,090 |   |  			
            | 9/13/2016 | +2.40 / +3.15% | 77.80 | 78.90 | 76.20 | 78.50 | 77.47 | 22.40 | 39,530 |   |  
            | 9/12/2016 | -2.90 / -3.67% | 77.00 | 77.40 | 76.00 | 76.10 | 76.71 | 21.71 | 24,410 |   |  			
            | 9/9/2016 | -1.00 / -1.25% | 79.30 | 80.50 | 78.00 | 79.00 | 79.69 | 22.54 | 61,581 |   |  
            | 9/8/2016 | +0.30 / +0.38% | 81.00 | 81.00 | 79.30 | 80.00 | 80.07 | 22.82 | 67,780 |   |  			
            | 9/7/2016 | +1.60 / +2.05% | 78.10 | 80.00 | 78.00 | 79.70 | 78.10 | 22.74 | 51,571 |   |  
            | 9/6/2016 | +1.10 / +1.43% | 78.00 | 79.80 | 76.50 | 78.10 | 78.69 | 22.28 | 139,010 |   |  			
            | 9/5/2016 | +2.40 / +3.22% | 74.60 | 77.90 | 74.10 | 77.00 | 75.61 | 21.97 | 88,000 |   |  
            | 9/1/2016 | -0.40 / -0.53% | 75.50 | 75.50 | 74.10 | 74.60 | 74.89 | 21.28 | 45,324 |   |  			
            | 8/31/2016 | +3.20 / +4.46% | 72.20 | 75.00 | 71.80 | 75.00 | 72.95 | 21.40 | 130,640 |   |  
            | 8/30/2016 | +0.70 / +0.98% | 71.00 | 72.20 | 71.00 | 71.80 | 71.60 | 20.49 | 23,241 |   |  			
            | 8/29/2016 | +0.40 / +0.57% | 72.80 | 72.80 | 70.50 | 71.10 | 71.33 | 20.29 | 124,386 |   |  
            | 8/26/2016 | -1.30 / -1.81% | 71.00 | 73.50 | 70.70 | 70.70 | 71.67 | 20.17 | 84,750 |   |  			
            | 8/25/2016 | -1.00 / -1.37% | 74.50 | 74.50 | 72.00 | 72.00 | 72.61 | 20.54 | 59,350 |   |  
            | 8/24/2016 | +0.30 / +0.41% | 72.70 | 74.50 | 72.60 | 73.00 | 73.43 | 20.83 | 70,722 |   |  			
            | 8/23/2016 | 0.00 / 0.00% | 72.50 | 73.40 | 71.20 | 72.70 | 72.23 | 20.74 | 54,196 |   |  
            | 8/22/2016 | -0.60 / -0.82% | 73.10 | 73.30 | 71.00 | 72.70 | 72.19 | 20.74 | 117,300 |   |  			
            | 8/19/2016 | +0.10 / +0.14% | 73.20 | 75.00 | 72.70 | 73.30 | 73.20 | 20.91 | 97,112 |   |  
            | 8/18/2016 | -1.10 / -1.48% | 74.40 | 75.50 | 72.50 | 73.20 | 74.05 | 20.88 | 202,821 |   |  			
            | 8/17/2016 | +4.80 / +6.91% | 69.50 | 74.50 | 68.80 | 74.30 | 71.97 | 21.20 | 321,716 |   |  
            | 8/16/2016 | +1.50 / +2.21% | 68.00 | 69.90 | 68.00 | 69.50 | 69.33 | 19.83 | 99,930 |   |  			
            | 8/15/2016 | +0.20 / +0.29% | 67.10 | 68.00 | 66.90 | 68.00 | 67.22 | 19.40 | 56,525 |   |  
            | 8/12/2016 | -0.10 / -0.15% | 68.00 | 68.00 | 66.70 | 67.80 | 67.01 | 19.34 | 50,423 |   |  			
            | 8/11/2016 | +2.70 / +4.14% | 65.40 | 68.10 | 65.40 | 67.90 | 67.38 | 19.37 | 285,690 |   |  
            | 8/10/2016 | 0.00 / 0.00% | 65.00 | 65.30 | 65.00 | 65.20 | 65.18 | 18.60 | 287,586 |   |  			
            | 8/9/2016 | +0.20 / +0.31% | 65.80 | 65.80 | 64.90 | 65.20 | 65.12 | 18.60 | 72,126 |   |  
            | 8/8/2016 | +0.20 / +0.31% | 64.00 | 65.90 | 64.00 | 65.00 | 65.05 | 18.54 | 33,581 |   |  |