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                    Closing price on 10/21/2016
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        |           
                
                    | Open | 83.10 |  
                    | High | 84.00 |  
                    | Low | 81.10 |  
                    | Volume | 33,040 |  
                    | Split-adjusted Price | 23.54 |  
                
             | 
 |  NTP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/21/2016 | -0.60 / -0.72% | 83.10 | 84.00 | 81.10 | 82.50 | 82.27 | 23.54 | 33,040 |   |  
            | 10/20/2016 | -1.70 / -2.00% | 85.90 | 85.90 | 83.00 | 83.10 | 83.87 | 23.71 | 37,128 |   |  			
            | 10/19/2016 | +0.80 / +0.95% | 84.00 | 85.00 | 84.00 | 84.80 | 84.66 | 24.19 | 21,730 |   |  
            | 10/18/2016 | +0.10 / +0.12% | 84.70 | 84.70 | 83.50 | 84.00 | 83.71 | 23.97 | 9,100 |   |  			
            | 10/17/2016 | +0.50 / +0.60% | 84.90 | 84.90 | 83.50 | 83.90 | 83.55 | 23.94 | 15,944 |   |  
            | 10/14/2016 | +0.40 / +0.48% | 83.00 | 85.00 | 83.00 | 83.40 | 83.82 | 23.79 | 594,958 |   |  			
            | 10/13/2016 | +0.90 / +1.10% | 82.10 | 83.50 | 81.00 | 83.00 | 82.43 | 23.68 | 31,829 |   |  
            | 10/12/2016 | -0.90 / -1.08% | 83.00 | 84.80 | 82.00 | 82.10 | 83.01 | 23.42 | 22,645 |   |  			
            | 10/11/2016 | +0.60 / +0.73% | 81.10 | 83.00 | 80.00 | 83.00 | 81.20 | 23.68 | 79,652 |   |  
            | 10/10/2016 | -3.20 / -3.74% | 85.80 | 85.80 | 82.00 | 82.40 | 84.22 | 23.51 | 561,520 |   |  			
            | 10/7/2016 | -2.20 / -2.51% | 88.00 | 88.00 | 84.20 | 85.60 | 85.53 | 24.42 | 112,373 |   |  
            | 10/6/2016 | +1.40 / +1.62% | 86.40 | 88.80 | 86.40 | 87.80 | 87.04 | 25.05 | 540,502 |   |  			
            | 10/5/2016 | -0.10 / -0.12% | 86.00 | 87.00 | 85.90 | 86.40 | 86.33 | 24.65 | 81,878 |   |  
            | 10/4/2016 | -0.90 / -1.03% | 87.60 | 90.00 | 86.00 | 86.50 | 88.78 | 24.68 | 631,435 |   |  			
            | 10/3/2016 | +1.40 / +1.63% | 89.80 | 89.80 | 85.70 | 87.40 | 87.39 | 24.94 | 50,822 |   |  
            | 9/30/2016 | +2.00 / +2.38% | 84.10 | 86.40 | 84.10 | 86.00 | 85.61 | 24.54 | 649,580 |   |  			
            | 9/29/2016 | +2.00 / +2.44% | 82.00 | 87.00 | 82.00 | 84.00 | 83.84 | 23.97 | 165,177 |   |  
            | 9/28/2016 | -0.40 / -0.49% | 82.50 | 82.50 | 81.30 | 82.00 | 81.65 | 23.40 | 94,389 |   |  			
            | 9/27/2016 | +0.90 / +1.10% | 81.00 | 82.50 | 81.00 | 82.40 | 81.73 | 23.51 | 57,240 |   |  
            | 9/26/2016 | +0.50 / +0.62% | 80.50 | 82.50 | 80.50 | 81.50 | 81.58 | 23.25 | 37,131 |   |  			
            | 9/23/2016 | -1.00 / -1.22% | 81.80 | 82.00 | 81.00 | 81.00 | 82.00 | 23.11 | 74,552 |   |  
            | 9/22/2016 | -0.80 / -0.97% | 83.30 | 84.00 | 82.00 | 82.00 | 83.03 | 23.40 | 39,422 |   |  			
            | 9/21/2016 | +0.80 / +0.98% | 81.50 | 83.00 | 81.50 | 82.80 | 82.42 | 23.62 | 96,266 |   |  
            | 9/20/2016 | +1.20 / +1.49% | 81.00 | 83.30 | 80.00 | 82.00 | 82.06 | 23.40 | 159,785 |   |  			
            | 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 |   |  |