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                    Closing price on 12/31/2020
                 |  |  
    
        |           
                
                    | Open | 39.15 |  
                    | High | 39.35 |  
                    | Low | 39.05 |  
                    | Volume | 31,560 |  
                    | Split-adjusted Price | 34.43 |  
                
             | 
 |  NNC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/31/2020 | +0.10 / +0.26% | 39.15 | 39.35 | 39.05 | 39.20 | 39.22 | 34.43 | 31,560 |   |  
            | 12/30/2020 | +0.60 / +1.56% | 38.50 | 39.30 | 38.50 | 39.10 | 38.92 | 34.35 | 108,950 |   |  			
            | 12/29/2020 | +0.15 / +0.39% | 38.35 | 38.55 | 38.30 | 38.50 | 38.42 | 33.82 | 60,100 |   |  
            | 12/28/2020 | 0.00 / 0.00% | 38.35 | 38.40 | 38.30 | 38.35 | 38.35 | 33.69 | 49,480 |   |  			
            | 12/25/2020 | +0.05 / +0.13% | 38.25 | 38.40 | 38.25 | 38.35 | 38.32 | 33.69 | 57,030 |   |  
            | 12/24/2020 | 0.00 / 0.00% | 38.45 | 38.60 | 37.50 | 38.30 | 38.30 | 33.64 | 53,990 |   |  			
            | 12/23/2020 | -0.10 / -0.26% | 38.45 | 38.45 | 38.30 | 38.30 | 38.40 | 33.64 | 38,710 |   |  
            | 12/22/2020 | -0.20 / -0.52% | 38.60 | 38.60 | 38.30 | 38.40 | 38.38 | 33.73 | 43,170 |   |  			
            | 12/21/2020 | -0.20 / -0.52% | 38.85 | 38.85 | 38.50 | 38.60 | 38.71 | 33.91 | 58,360 |   |  
            | 12/18/2020 | -0.05 / -0.13% | 39.00 | 39.00 | 38.80 | 38.80 | 38.86 | 34.08 | 41,210 |   |  			
            | 12/17/2020 | -0.50 / -1.27% | 39.40 | 39.40 | 38.80 | 38.85 | 39.04 | 34.13 | 77,720 |   |  
            | 12/16/2020 | +0.05 / +0.13% | 39.20 | 39.45 | 39.20 | 39.35 | 39.31 | 34.57 | 59,870 |   |  			
            | 12/15/2020 | -0.70 / -1.75% | 39.50 | 39.75 | 38.90 | 39.30 | 39.36 | 34.52 | 94,830 |   |  
            | 12/14/2020 | +0.90 / +2.30% | 40.10 | 40.40 | 39.40 | 40.00 | 39.81 | 35.14 | 80,160 |   |  			
            | 12/11/2020 | +2.55 / +6.98% | 37.25 | 39.10 | 37.25 | 39.10 | 37.93 | 34.35 | 135,740 |   |  
            | 12/10/2020 | -2.70 / -6.88% | 39.25 | 39.75 | 36.55 | 36.55 | 37.40 | 32.11 | 291,460 |   |  			
            | 12/9/2020 | -0.35 / -0.88% | 40.35 | 40.45 | 39.25 | 39.25 | 39.25 | 34.48 | 233,120 |   |  
            | 12/8/2020 | 0.00 / 0.00% | 40.40 | 40.50 | 39.60 | 39.60 | 40.08 | 34.79 | 237,510 |   |  			
            | 12/7/2020 | -2.60 / -6.16% | 42.20 | 42.20 | 39.60 | 39.60 | 40.55 | 34.79 | 164,320 |   |  
            | 12/4/2020 | -0.20 / -0.47% | 42.20 | 42.40 | 42.10 | 42.20 | 42.25 | 37.07 | 19,740 |   |  			
            | 12/3/2020 | -0.10 / -0.24% | 42.25 | 42.50 | 42.20 | 42.40 | 42.29 | 37.24 | 24,830 |   |  
            | 12/2/2020 | -0.30 / -0.70% | 43.00 | 43.00 | 42.25 | 42.50 | 42.61 | 37.33 | 27,050 |   |  			
            | 12/1/2020 | -0.20 / -0.47% | 42.10 | 42.85 | 42.00 | 42.80 | 42.18 | 37.60 | 38,370 |   |  
            | 11/30/2020 | 0.00 / 0.00% | 43.00 | 43.40 | 43.00 | 43.00 | 43.14 | 37.77 | 25,720 |   |  			
            | 11/27/2020 | -6.00 / -12.24% | 43.00 | 44.80 | 43.00 | 43.00 | 43.18 | 37.77 | 75,790 |   |  
            | 11/26/2020 | 0.00 / 0.00% | 48.95 | 49.10 | 48.95 | 49.00 | 49.01 | 38.65 | 89,880 |   |  			
            | 11/25/2020 | +0.05 / +0.10% | 48.95 | 49.05 | 48.90 | 49.00 | 48.99 | 38.65 | 31,740 |   |  
            | 11/24/2020 | -0.40 / -0.81% | 49.40 | 49.40 | 48.95 | 48.95 | 49.14 | 38.61 | 62,190 |   |  			
            | 11/23/2020 | +0.25 / +0.51% | 49.10 | 49.60 | 49.00 | 49.35 | 49.38 | 38.93 | 135,460 |   |  
            | 11/20/2020 | +0.10 / +0.20% | 49.00 | 49.10 | 48.90 | 49.10 | 49.01 | 38.73 | 53,860 |   |  |