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                    Closing price on 6/15/2018
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        |           
                
                    | Open | 52.10 |  
                    | High | 53.00 |  
                    | Low | 52.00 |  
                    | Volume | 11,670 |  
                    | Split-adjusted Price | 29.72 |  
                
             | 
 |  NNC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/15/2018 | +0.10 / +0.19% | 52.10 | 53.00 | 52.00 | 53.00 | 52.44 | 29.72 | 11,670 |   |  
            | 6/14/2018 | +0.90 / +1.73% | 52.90 | 52.90 | 52.00 | 52.90 | 52.63 | 29.67 | 2,850 |   |  			
            | 6/13/2018 | +0.30 / +0.58% | 52.00 | 52.20 | 51.70 | 52.00 | 51.97 | 29.16 | 16,510 |   |  
            | 6/12/2018 | -0.10 / -0.19% | 51.80 | 51.80 | 51.40 | 51.70 | 51.54 | 28.99 | 15,560 |   |  			
            | 6/11/2018 | +0.30 / +0.58% | 51.70 | 51.80 | 51.40 | 51.80 | 51.66 | 29.05 | 12,680 |   |  
            | 6/8/2018 | +0.30 / +0.59% | 51.40 | 51.50 | 51.10 | 51.50 | 51.30 | 28.88 | 14,600 |   |  			
            | 6/7/2018 | +0.10 / +0.20% | 51.10 | 51.20 | 51.00 | 51.20 | 51.06 | 28.71 | 26,360 |   |  
            | 6/6/2018 | -0.20 / -0.39% | 51.30 | 51.50 | 51.10 | 51.10 | 51.22 | 28.66 | 17,960 |   |  			
            | 6/5/2018 | -0.40 / -0.77% | 51.20 | 51.70 | 51.20 | 51.30 | 51.45 | 28.77 | 13,840 |   |  
            | 6/4/2018 | +0.20 / +0.39% | 51.40 | 52.40 | 51.00 | 51.70 | 51.26 | 28.99 | 9,520 |   |  			
            | 6/1/2018 | +0.50 / +0.98% | 51.00 | 51.90 | 51.00 | 51.50 | 51.25 | 28.88 | 3,590 |   |  
            | 5/31/2018 | +0.60 / +1.19% | 50.50 | 51.10 | 50.40 | 51.00 | 50.91 | 28.60 | 17,580 |   |  			
            | 5/30/2018 | +0.10 / +0.20% | 50.60 | 50.60 | 50.00 | 50.40 | 50.20 | 28.26 | 5,040 |   |  
            | 5/29/2018 | 0.00 / 0.00% | 50.00 | 50.40 | 49.95 | 50.30 | 50.16 | 28.21 | 12,160 |   |  			
            | 5/28/2018 | -0.20 / -0.40% | 50.50 | 50.80 | 49.10 | 50.30 | 50.33 | 28.21 | 21,300 |   |  
            | 5/25/2018 | -0.50 / -0.98% | 50.60 | 51.00 | 50.50 | 50.50 | 50.63 | 28.32 | 19,140 |   |  			
            | 5/24/2018 | +0.10 / +0.20% | 51.00 | 51.00 | 50.50 | 51.00 | 50.66 | 28.60 | 4,560 |   |  
            | 5/23/2018 | -0.20 / -0.39% | 51.00 | 51.00 | 50.50 | 50.90 | 50.70 | 28.54 | 22,170 |   |  			
            | 5/22/2018 | 0.00 / 0.00% | 51.20 | 51.20 | 50.20 | 51.10 | 50.67 | 28.66 | 114,370 |   |  
            | 5/21/2018 | +0.20 / +0.39% | 51.20 | 51.30 | 50.80 | 51.10 | 51.04 | 28.66 | 9,660 |   |  			
            | 5/18/2018 | +0.10 / +0.20% | 50.80 | 51.00 | 50.50 | 50.90 | 50.73 | 28.54 | 7,550 |   |  
            | 5/17/2018 | -0.20 / -0.39% | 51.00 | 51.00 | 50.80 | 50.80 | 50.90 | 28.49 | 7,780 |   |  			
            | 5/16/2018 | -0.50 / -0.97% | 51.50 | 51.50 | 50.90 | 51.00 | 51.07 | 28.60 | 27,100 |   |  
            | 5/15/2018 | 0.00 / 0.00% | 51.90 | 51.90 | 51.00 | 51.50 | 51.15 | 28.88 | 13,860 |   |  			
            | 5/14/2018 | -0.40 / -0.77% | 52.30 | 52.30 | 51.00 | 51.50 | 51.25 | 28.88 | 6,790 |   |  
            | 5/11/2018 | +1.30 / +2.57% | 53.00 | 53.30 | 50.40 | 51.90 | 51.03 | 29.10 | 4,370 |   |  			
            | 5/10/2018 | -0.30 / -0.59% | 50.70 | 50.90 | 50.60 | 50.60 | 50.70 | 28.38 | 4,170 |   |  
            | 5/9/2018 | 0.00 / 0.00% | 50.70 | 50.90 | 50.30 | 50.90 | 50.64 | 28.54 | 18,820 |   |  			
            | 5/8/2018 | +0.30 / +0.59% | 50.60 | 50.90 | 50.60 | 50.90 | 50.85 | 28.54 | 4,130 |   |  
            | 5/7/2018 | -0.40 / -0.78% | 50.50 | 51.00 | 50.50 | 50.60 | 50.70 | 28.38 | 4,280 |   |  |