| 
    
        
            | 
                    Closing price on 6/17/2021
                 |  |  
    
        |           
                
                    | Open | 50.50 |  
                    | High | 51.60 |  
                    | Low | 50.30 |  
                    | Volume | 87,100 |  
                    | Split-adjusted Price | 28.99 |  
                
             | 
 |  NTP Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/17/2021 | +0.90 / +1.78% | 50.50 | 51.60 | 50.30 | 51.50 | 51.21 | 28.99 | 87,100 |   |  
            | 6/16/2021 | -1.20 / -2.32% | 50.50 | 51.80 | 50.10 | 50.60 | 51.08 | 28.48 | 25,000 |   |  			
            | 6/15/2021 | +1.30 / +2.57% | 50.50 | 51.90 | 50.50 | 51.80 | 51.52 | 29.16 | 121,032 |   |  
            | 6/14/2021 | +1.10 / +2.23% | 49.40 | 51.40 | 49.40 | 50.50 | 50.73 | 28.43 | 110,200 |   |  			
            | 6/11/2021 | +0.50 / +1.02% | 53.00 | 53.00 | 49.00 | 49.40 | 49.54 | 27.81 | 41,100 |   |  
            | 6/10/2021 | +0.40 / +0.82% | 48.60 | 49.90 | 47.70 | 48.90 | 49.09 | 27.53 | 136,900 |   |  			
            | 6/9/2021 | +1.50 / +3.19% | 46.50 | 49.30 | 46.50 | 48.50 | 48.45 | 27.30 | 274,300 |   |  
            | 6/8/2021 | -0.70 / -1.47% | 47.70 | 48.20 | 46.50 | 47.00 | 47.12 | 26.46 | 37,200 |   |  			
            | 6/7/2021 | +1.50 / +3.25% | 46.00 | 47.90 | 46.00 | 47.70 | 47.12 | 26.85 | 237,000 |   |  
            | 6/4/2021 | -1.20 / -2.53% | 47.40 | 48.00 | 45.00 | 46.20 | 47.03 | 26.01 | 119,220 |   |  			
            | 6/3/2021 | +2.10 / +4.64% | 46.00 | 47.50 | 45.40 | 47.40 | 46.50 | 26.68 | 264,236 |   |  
            | 6/2/2021 | +1.30 / +2.95% | 44.00 | 45.50 | 43.80 | 45.30 | 44.64 | 25.50 | 394,836 |   |  			
            | 6/1/2021 | -1.20 / -2.65% | 45.20 | 46.50 | 43.10 | 44.00 | 44.79 | 24.77 | 118,900 |   |  
            | 5/31/2021 | +0.60 / +1.35% | 44.60 | 45.40 | 42.50 | 45.20 | 44.34 | 25.44 | 139,900 |   |  			
            | 5/28/2021 | -0.40 / -0.89% | 45.00 | 45.50 | 43.00 | 44.60 | 44.62 | 25.11 | 93,200 |   |  
            | 5/27/2021 | +1.20 / +2.74% | 43.70 | 45.90 | 43.30 | 45.00 | 44.56 | 25.33 | 421,400 |   |  			
            | 5/26/2021 | +1.80 / +4.29% | 42.00 | 44.20 | 41.10 | 43.80 | 43.34 | 24.66 | 278,000 |   |  
            | 5/25/2021 | -1.00 / -2.33% | 43.00 | 44.20 | 42.00 | 42.00 | 43.27 | 23.64 | 164,442 |   |  			
            | 5/24/2021 | +1.10 / +2.63% | 41.90 | 43.20 | 40.50 | 43.00 | 42.38 | 24.21 | 364,300 |   |  
            | 5/21/2021 | +1.30 / +3.20% | 40.00 | 42.50 | 40.00 | 41.90 | 41.89 | 23.59 | 409,000 |   |  			
            | 5/20/2021 | +1.10 / +2.78% | 39.50 | 41.40 | 39.50 | 40.60 | 40.41 | 22.85 | 329,100 |   |  
            | 5/19/2021 | +2.00 / +5.33% | 37.50 | 39.70 | 37.50 | 39.50 | 38.87 | 22.24 | 522,300 |   |  			
            | 5/18/2021 | +1.70 / +4.75% | 35.60 | 37.50 | 35.00 | 37.50 | 36.98 | 21.11 | 376,800 |   |  
            | 5/17/2021 | -0.20 / -0.56% | 36.00 | 36.00 | 35.50 | 35.80 | 35.85 | 20.15 | 62,600 |   |  			
            | 5/14/2021 | 0.00 / 0.00% | 36.00 | 36.00 | 35.60 | 36.00 | 35.87 | 20.27 | 20,100 |   |  
            | 5/13/2021 | -0.10 / -0.28% | 36.20 | 37.00 | 35.50 | 36.00 | 36.58 | 20.27 | 113,100 |   |  			
            | 5/12/2021 | -0.50 / -1.37% | 36.50 | 36.50 | 35.90 | 36.10 | 36.05 | 20.32 | 14,300 |   |  
            | 5/11/2021 | -0.40 / -1.08% | 36.90 | 37.10 | 36.00 | 36.60 | 36.53 | 20.60 | 34,200 |   |  			
            | 5/10/2021 | +1.00 / +2.78% | 36.00 | 37.20 | 35.10 | 37.00 | 36.53 | 20.83 | 202,300 |   |  
            | 5/7/2021 | -0.20 / -0.55% | 36.50 | 36.50 | 36.00 | 36.00 | 36.25 | 20.27 | 26,000 |   |  |