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            | 
                    Closing price on 3/24/2017
                 |  |  
    
        |           
                
                    | Open | 75.50 |  
                    | High | 75.50 |  
                    | Low | 74.00 |  
                    | Volume | 9,653 |  
                    | Split-adjusted Price | 21.81 |  
                
             | 
 |  NTP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/24/2017 | +2.00 / +2.74% | 75.50 | 75.50 | 74.00 | 75.00 | 75.00 | 21.81 | 9,653 |   |  
            | 3/23/2017 | +0.20 / +0.27% | 73.50 | 73.50 | 72.50 | 73.00 | 72.95 | 21.23 | 30,104 |   |  			
            | 3/22/2017 | -0.30 / -0.41% | 73.00 | 73.30 | 72.80 | 72.80 | 73.14 | 21.17 | 8,069 |   |  
            | 3/21/2017 | -0.30 / -0.41% | 73.00 | 73.30 | 73.00 | 73.10 | 73.09 | 21.26 | 17,610 |   |  			
            | 3/20/2017 | -0.10 / -0.14% | 72.00 | 73.50 | 72.00 | 73.40 | 73.44 | 21.35 | 20,300 |   |  
            | 3/17/2017 | -0.40 / -0.54% | 73.90 | 73.90 | 73.50 | 73.50 | 73.69 | 21.38 | 9,604 |   |  			
            | 3/16/2017 | +1.60 / +2.21% | 72.30 | 73.90 | 72.30 | 73.90 | 73.20 | 21.49 | 11,100 |   |  
            | 3/15/2017 | +0.70 / +0.98% | 72.10 | 72.30 | 72.10 | 72.30 | 72.20 | 21.03 | 5,030 |   |  			
            | 3/14/2017 | +0.30 / +0.42% | 71.50 | 71.80 | 71.50 | 71.60 | 71.66 | 20.82 | 23,056 |   |  
            | 3/13/2017 | 0.00 / 0.00% | 71.50 | 72.00 | 71.00 | 71.30 | 71.26 | 20.74 | 23,508 |   |  			
            | 3/10/2017 | -0.70 / -0.97% | 72.00 | 72.00 | 71.30 | 71.30 | 71.42 | 20.74 | 9,900 |   |  
            | 3/9/2017 | -1.70 / -2.31% | 71.80 | 72.00 | 71.80 | 72.00 | 71.81 | 20.94 | 6,110 |   |  			
            | 3/8/2017 | +2.60 / +3.66% | 71.50 | 73.70 | 71.10 | 73.70 | 71.10 | 21.44 | 3,160 |   |  
            | 3/7/2017 | 0.00 / 0.00% | 71.50 | 71.50 | 71.00 | 71.10 | 71.13 | 20.68 | 18,880 |   |  			
            | 3/6/2017 | +1.00 / +1.43% | 71.00 | 71.10 | 71.00 | 71.10 | 71.05 | 20.68 | 6,700 |   |  
            | 3/3/2017 | +0.10 / +0.14% | 70.00 | 70.10 | 70.00 | 70.10 | 70.00 | 20.39 | 8,108 |   |  			
            | 3/2/2017 | -0.30 / -0.43% | 70.10 | 70.40 | 70.00 | 70.00 | 70.06 | 20.36 | 14,444 |   |  
            | 3/1/2017 | -0.20 / -0.28% | 70.10 | 70.50 | 70.00 | 70.30 | 70.06 | 20.45 | 19,110 |   |  			
            | 2/28/2017 | -1.30 / -1.81% | 71.80 | 71.80 | 70.00 | 70.50 | 70.59 | 20.50 | 16,956 |   |  
            | 2/27/2017 | -0.20 / -0.28% | 72.00 | 72.00 | 71.20 | 71.80 | 71.67 | 20.88 | 8,200 |   |  			
            | 2/24/2017 | -1.00 / -1.37% | 73.00 | 73.00 | 72.00 | 72.00 | 72.20 | 20.94 | 19,334 |   |  
            | 2/23/2017 | -0.20 / -0.27% | 73.10 | 73.20 | 72.10 | 73.00 | 72.80 | 21.23 | 23,229 |   |  			
            | 2/22/2017 | -0.30 / -0.41% | 73.50 | 73.50 | 73.20 | 73.20 | 73.38 | 21.29 | 15,583 |   |  
            | 2/21/2017 | -0.60 / -0.81% | 74.00 | 74.50 | 73.50 | 73.50 | 74.09 | 21.38 | 39,199 |   |  			
            | 2/20/2017 | -0.40 / -0.54% | 74.50 | 74.60 | 74.00 | 74.10 | 74.29 | 21.55 | 17,605 |   |  
            | 2/17/2017 | 0.00 / 0.00% | 74.50 | 74.50 | 74.30 | 74.50 | 74.47 | 21.67 | 18,683 |   |  			
            | 2/16/2017 | 0.00 / 0.00% | 76.00 | 76.80 | 74.50 | 74.50 | 75.55 | 21.67 | 46,750 |   |  
            | 2/15/2017 | 0.00 / 0.00% | 74.50 | 75.00 | 74.20 | 74.50 | 74.51 | 21.67 | 89,080 |   |  			
            | 2/14/2017 | 0.00 / 0.00% | 74.50 | 75.00 | 74.50 | 74.50 | 74.88 | 21.67 | 27,971 |   |  
            | 2/13/2017 | 0.00 / 0.00% | 74.60 | 74.90 | 74.10 | 74.50 | 74.45 | 21.67 | 58,543 |   |  |