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                    Closing price on 6/3/2019
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                    | Open | 51.90 |  
                    | High | 52.40 |  
                    | Low | 51.90 |  
                    | Volume | 20,800 |  
                    | Split-adjusted Price | 37.35 |  
                
             | 
 |  NNC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/3/2019 | +0.30 / +0.58% | 51.90 | 52.40 | 51.90 | 52.20 | 52.21 | 37.35 | 20,800 |   |  
            | 5/31/2019 | +0.10 / +0.19% | 52.20 | 52.40 | 51.80 | 51.90 | 52.23 | 37.13 | 38,640 |   |  			
            | 5/30/2019 | -0.20 / -0.38% | 51.30 | 52.40 | 51.30 | 51.80 | 52.05 | 37.06 | 19,540 |   |  
            | 5/29/2019 | +1.00 / +1.96% | 51.10 | 52.00 | 51.00 | 52.00 | 51.33 | 37.20 | 20,730 |   |  			
            | 5/28/2019 | 0.00 / 0.00% | 51.00 | 51.10 | 50.50 | 51.00 | 50.72 | 36.49 | 11,120 |   |  
            | 5/27/2019 | +0.40 / +0.79% | 50.60 | 51.10 | 50.50 | 51.00 | 50.58 | 36.49 | 24,120 |   |  			
            | 5/24/2019 | +0.60 / +1.20% | 50.20 | 52.00 | 50.00 | 50.60 | 50.54 | 36.20 | 29,780 |   |  
            | 5/23/2019 | 0.00 / 0.00% | 50.10 | 50.10 | 50.00 | 50.00 | 50.04 | 35.77 | 12,370 |   |  			
            | 5/22/2019 | -0.20 / -0.40% | 50.00 | 50.30 | 50.00 | 50.00 | 50.08 | 35.77 | 6,530 |   |  
            | 5/21/2019 | -0.20 / -0.40% | 50.40 | 50.40 | 50.10 | 50.20 | 50.25 | 35.92 | 6,070 |   |  			
            | 5/20/2019 | 0.00 / 0.00% | 50.30 | 50.40 | 50.20 | 50.40 | 50.35 | 36.06 | 7,050 |   |  
            | 5/17/2019 | +0.50 / +1.00% | 49.90 | 50.40 | 49.90 | 50.40 | 49.99 | 36.06 | 40,210 |   |  			
            | 5/16/2019 | 0.00 / 0.00% | 49.95 | 49.95 | 49.80 | 49.90 | 49.95 | 35.70 | 9,890 |   |  
            | 5/15/2019 | 0.00 / 0.00% | 49.95 | 50.00 | 49.90 | 49.90 | 49.94 | 35.70 | 13,130 |   |  			
            | 5/14/2019 | -0.10 / -0.20% | 50.00 | 50.00 | 49.90 | 49.90 | 49.97 | 35.70 | 15,050 |   |  
            | 5/13/2019 | +0.05 / +0.10% | 49.90 | 50.00 | 49.80 | 50.00 | 49.91 | 35.77 | 11,560 |   |  			
            | 5/10/2019 | +0.15 / +0.30% | 49.90 | 50.00 | 48.50 | 49.95 | 49.86 | 35.74 | 6,980 |   |  
            | 5/9/2019 | 0.00 / 0.00% | 49.90 | 50.00 | 49.70 | 49.80 | 49.90 | 35.63 | 14,850 |   |  			
            | 5/8/2019 | -0.20 / -0.40% | 49.70 | 50.00 | 49.70 | 49.80 | 49.82 | 35.63 | 19,690 |   |  
            | 5/7/2019 | 0.00 / 0.00% | 49.80 | 50.00 | 49.80 | 50.00 | 49.93 | 35.77 | 7,450 |   |  			
            | 5/6/2019 | 0.00 / 0.00% | 50.00 | 50.00 | 49.70 | 50.00 | 49.85 | 35.77 | 26,840 |   |  
            | 5/3/2019 | 0.00 / 0.00% | 50.00 | 50.10 | 49.90 | 50.00 | 50.00 | 35.77 | 9,120 |   |  			
            | 5/2/2019 | 0.00 / 0.00% | 50.00 | 50.10 | 49.90 | 50.00 | 50.05 | 35.77 | 29,190 |   |  
            | 4/26/2019 | -0.20 / -0.40% | 49.90 | 50.40 | 49.90 | 50.00 | 50.00 | 35.77 | 6,540 |   |  			
            | 4/25/2019 | +0.20 / +0.40% | 50.00 | 50.20 | 49.90 | 50.20 | 50.08 | 35.92 | 1,810 |   |  
            | 4/24/2019 | -0.20 / -0.40% | 50.00 | 50.20 | 49.80 | 50.00 | 50.02 | 35.77 | 20,130 |   |  			
            | 4/23/2019 | +0.30 / +0.60% | 50.30 | 50.30 | 49.80 | 50.20 | 50.03 | 35.92 | 33,080 |   |  
            | 4/22/2019 | -0.60 / -1.19% | 50.10 | 50.50 | 49.40 | 49.90 | 49.89 | 35.70 | 18,760 |   |  			
            | 4/19/2019 | -0.20 / -0.39% | 50.10 | 51.00 | 50.00 | 50.50 | 50.06 | 36.13 | 8,150 |   |  
            | 4/18/2019 | 0.00 / 0.00% | 50.70 | 50.70 | 50.00 | 50.70 | 50.55 | 36.27 | 1,820 |   |  |