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                    Closing price on 9/7/2018
                 |  |  
    
        |           
                
                    | Open | 51.80 |  
                    | High | 51.80 |  
                    | Low | 50.40 |  
                    | Volume | 41,130 |  
                    | Split-adjusted Price | 32.90 |  
                
             | 
 |  NNC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/7/2018 | -0.10 / -0.19% | 51.80 | 51.80 | 50.40 | 51.70 | 51.15 | 32.90 | 41,130 |   |  
            | 9/6/2018 | -7.20 / -12.20% | 52.00 | 52.00 | 50.30 | 51.80 | 51.24 | 32.96 | 34,190 |   |  			
            | 9/5/2018 | +0.10 / +0.17% | 58.90 | 59.00 | 58.40 | 59.00 | 58.74 | 33.09 | 138,740 |   |  
            | 9/4/2018 | +0.50 / +0.86% | 58.40 | 59.40 | 58.40 | 58.90 | 58.67 | 33.03 | 145,640 |   |  			
            | 8/31/2018 | +0.20 / +0.34% | 58.20 | 58.60 | 58.20 | 58.40 | 58.38 | 32.75 | 31,740 |   |  
            | 8/30/2018 | +0.20 / +0.34% | 58.30 | 58.40 | 58.00 | 58.20 | 58.19 | 32.64 | 41,860 |   |  			
            | 8/29/2018 | -0.20 / -0.34% | 58.00 | 58.20 | 58.00 | 58.00 | 58.05 | 32.53 | 22,930 |   |  
            | 8/28/2018 | -0.20 / -0.34% | 58.00 | 58.30 | 57.70 | 58.20 | 57.96 | 32.64 | 9,300 |   |  			
            | 8/27/2018 | -0.50 / -0.85% | 58.00 | 58.40 | 57.70 | 58.40 | 58.22 | 32.75 | 25,660 |   |  
            | 8/24/2018 | +1.00 / +1.73% | 57.50 | 58.90 | 57.00 | 58.90 | 58.57 | 33.03 | 32,950 |   |  			
            | 8/23/2018 | +0.90 / +1.58% | 57.20 | 57.90 | 57.00 | 57.90 | 57.26 | 32.47 | 19,280 |   |  
            | 8/22/2018 | -0.50 / -0.87% | 57.50 | 57.70 | 57.00 | 57.00 | 57.35 | 31.96 | 26,660 |   |  			
            | 8/21/2018 | -0.20 / -0.35% | 57.80 | 57.90 | 57.50 | 57.50 | 57.69 | 32.24 | 28,930 |   |  
            | 8/20/2018 | -0.30 / -0.52% | 58.00 | 58.50 | 57.50 | 57.70 | 57.94 | 32.36 | 39,540 |   |  			
            | 8/17/2018 | +0.20 / +0.35% | 57.90 | 58.70 | 57.60 | 58.00 | 58.03 | 32.53 | 56,300 |   |  
            | 8/16/2018 | +0.20 / +0.35% | 57.50 | 57.90 | 57.10 | 57.80 | 57.61 | 32.41 | 27,930 |   |  			
            | 8/15/2018 | +1.40 / +2.49% | 57.00 | 59.00 | 57.00 | 57.60 | 57.63 | 32.30 | 89,820 |   |  
            | 8/14/2018 | +0.80 / +1.44% | 56.50 | 56.60 | 55.60 | 56.20 | 56.04 | 31.52 | 61,490 |   |  			
            | 8/13/2018 | +0.40 / +0.73% | 55.00 | 56.50 | 55.00 | 55.40 | 55.36 | 31.07 | 22,290 |   |  
            | 8/10/2018 | +1.00 / +1.85% | 56.00 | 57.00 | 54.00 | 55.00 | 56.02 | 30.84 | 29,010 |   |  			
            | 8/9/2018 | +0.50 / +0.93% | 53.50 | 54.00 | 53.40 | 54.00 | 53.58 | 30.28 | 22,510 |   |  
            | 8/8/2018 | +0.60 / +1.13% | 52.90 | 53.60 | 52.90 | 53.50 | 53.44 | 30.00 | 31,790 |   |  			
            | 8/7/2018 | -0.10 / -0.19% | 52.90 | 53.00 | 52.90 | 52.90 | 52.93 | 29.67 | 1,180 |   |  
            | 8/6/2018 | 0.00 / 0.00% | 53.00 | 53.50 | 52.70 | 53.00 | 52.94 | 29.72 | 7,990 |   |  			
            | 8/3/2018 | 0.00 / 0.00% | 53.50 | 53.50 | 52.80 | 53.00 | 53.09 | 29.72 | 2,430 |   |  
            | 8/2/2018 | -0.50 / -0.93% | 53.50 | 54.50 | 50.40 | 53.00 | 52.55 | 29.72 | 21,200 |   |  			
            | 8/1/2018 | +1.30 / +2.49% | 53.90 | 53.90 | 52.90 | 53.50 | 52.99 | 30.00 | 19,740 |   |  
            | 7/31/2018 | -0.60 / -1.14% | 53.20 | 53.20 | 52.20 | 52.20 | 52.47 | 29.27 | 6,270 |   |  			
            | 7/30/2018 | +0.60 / +1.15% | 53.40 | 53.40 | 52.20 | 52.80 | 52.56 | 29.61 | 3,710 |   |  
            | 7/27/2018 | +0.20 / +0.38% | 52.00 | 52.80 | 52.00 | 52.20 | 52.32 | 29.27 | 7,340 |   |  |