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            | 
                    Closing price on 1/25/2019
                 |  |  
    
        |           
                
                    | Open | 28.35 |  
                    | High | 29.10 |  
                    | Low | 28.35 |  
                    | Volume | 556,430 |  
                    | Split-adjusted Price | 18.30 |  
                
             | 
 |  NT2 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/25/2019 | +0.70 / +2.47% | 28.35 | 29.10 | 28.35 | 29.05 | 28.87 | 18.30 | 556,430 |   |  
            | 1/24/2019 | +0.55 / +1.98% | 27.65 | 28.45 | 27.60 | 28.35 | 28.14 | 17.86 | 277,290 |   |  			
            | 1/23/2019 | 0.00 / 0.00% | 27.80 | 28.50 | 27.30 | 27.80 | 28.02 | 17.52 | 91,360 |   |  
            | 1/22/2019 | -0.80 / -2.80% | 28.60 | 28.65 | 27.80 | 27.80 | 28.20 | 17.52 | 138,160 |   |  			
            | 1/21/2019 | +0.55 / +1.96% | 28.20 | 29.00 | 27.90 | 28.60 | 28.33 | 18.02 | 429,830 |   |  
            | 1/18/2019 | +0.55 / +2.00% | 27.15 | 28.20 | 27.15 | 28.05 | 27.86 | 17.67 | 285,210 |   |  			
            | 1/17/2019 | -0.70 / -2.48% | 28.00 | 28.20 | 27.00 | 27.50 | 27.53 | 17.33 | 197,940 |   |  
            | 1/16/2019 | +0.20 / +0.71% | 28.00 | 28.30 | 27.60 | 28.20 | 28.10 | 17.77 | 351,710 |   |  			
            | 1/15/2019 | +0.55 / +2.00% | 27.45 | 28.00 | 27.40 | 28.00 | 27.69 | 17.64 | 465,040 |   |  
            | 1/14/2019 | 0.00 / 0.00% | 27.50 | 27.50 | 27.00 | 27.45 | 27.40 | 17.30 | 204,580 |   |  			
            | 1/11/2019 | +0.65 / +2.43% | 26.80 | 27.65 | 26.75 | 27.45 | 27.23 | 17.30 | 407,890 |   |  
            | 1/10/2019 | +0.60 / +2.29% | 26.50 | 26.80 | 26.30 | 26.80 | 26.65 | 16.89 | 496,070 |   |  			
            | 1/9/2019 | +0.70 / +2.75% | 25.50 | 26.20 | 25.35 | 26.20 | 25.77 | 16.51 | 454,680 |   |  
            | 1/8/2019 | -0.40 / -1.54% | 25.90 | 25.90 | 25.35 | 25.50 | 25.54 | 16.07 | 130,960 |   |  			
            | 1/7/2019 | 0.00 / 0.00% | 26.00 | 26.00 | 25.30 | 25.90 | 25.64 | 16.32 | 96,180 |   |  
            | 1/4/2019 | +0.50 / +1.97% | 25.20 | 26.00 | 25.10 | 25.90 | 25.73 | 16.32 | 373,300 |   |  			
            | 1/3/2019 | +0.70 / +2.83% | 24.90 | 25.40 | 24.75 | 25.40 | 25.11 | 16.00 | 136,410 |   |  
            | 1/2/2019 | +0.10 / +0.41% | 24.70 | 25.00 | 24.70 | 24.70 | 24.82 | 15.56 | 90,740 |   |  			
            | 12/28/2018 | -0.25 / -1.01% | 24.85 | 24.85 | 24.60 | 24.60 | 24.68 | 15.50 | 10,250 |   |  
            | 12/27/2018 | -0.20 / -0.80% | 24.70 | 24.95 | 24.70 | 24.85 | 24.76 | 15.66 | 130,670 |   |  			
            | 12/26/2018 | -0.15 / -0.60% | 25.00 | 25.45 | 25.00 | 25.05 | 25.04 | 15.22 | 80,480 |   |  
            | 12/25/2018 | -0.05 / -0.20% | 25.25 | 25.30 | 24.70 | 25.20 | 25.12 | 15.31 | 68,820 |   |  			
            | 12/24/2018 | -0.10 / -0.39% | 25.35 | 25.35 | 25.15 | 25.25 | 25.29 | 15.34 | 60,500 |   |  
            | 12/21/2018 | -0.35 / -1.36% | 25.35 | 25.55 | 25.20 | 25.35 | 25.38 | 15.40 | 82,000 |   |  			
            | 12/20/2018 | +0.30 / +1.18% | 25.40 | 25.70 | 25.40 | 25.70 | 25.50 | 15.61 | 144,800 |   |  
            | 12/19/2018 | -0.10 / -0.39% | 25.70 | 26.10 | 25.40 | 25.40 | 25.60 | 15.43 | 140,190 |   |  			
            | 12/18/2018 | -0.20 / -0.78% | 25.50 | 25.50 | 25.20 | 25.50 | 25.39 | 15.49 | 56,160 |   |  
            | 12/17/2018 | -0.45 / -1.72% | 26.10 | 26.10 | 25.70 | 25.70 | 25.82 | 15.61 | 23,350 |   |  			
            | 12/14/2018 | 0.00 / 0.00% | 26.15 | 26.20 | 25.80 | 26.15 | 26.09 | 15.88 | 124,890 |   |  
            | 12/13/2018 | +0.45 / +1.75% | 25.80 | 26.20 | 25.70 | 26.15 | 26.08 | 15.88 | 244,850 |   |  |