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            | 
                    Closing price on 11/28/2017
                 |  |  
    
        |           
                
                    | Open | 52.00 |  
                    | High | 52.70 |  
                    | Low | 52.00 |  
                    | Volume | 39,060 |  
                    | Split-adjusted Price | 27.78 |  
                
             | 
 |  NNC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/28/2017 | +1.00 / +1.94% | 52.00 | 52.70 | 52.00 | 52.60 | 52.50 | 27.78 | 39,060 |   |  
            | 11/27/2017 | +0.40 / +0.78% | 51.00 | 52.00 | 50.80 | 51.60 | 51.21 | 27.25 | 50,360 |   |  			
            | 11/24/2017 | -0.10 / -0.19% | 51.50 | 51.50 | 51.00 | 51.20 | 51.14 | 27.04 | 21,120 |   |  
            | 11/23/2017 | -0.30 / -0.58% | 52.50 | 52.50 | 51.30 | 51.30 | 51.85 | 27.09 | 7,410 |   |  			
            | 11/22/2017 | +1.10 / +2.18% | 50.60 | 52.90 | 50.60 | 51.60 | 51.37 | 27.25 | 23,490 |   |  
            | 11/21/2017 | -1.20 / -2.32% | 51.70 | 51.70 | 50.10 | 50.50 | 50.94 | 26.67 | 114,120 |   |  			
            | 11/20/2017 | -0.80 / -1.52% | 52.50 | 52.50 | 51.70 | 51.70 | 52.21 | 27.30 | 77,770 |   |  
            | 11/17/2017 | -0.10 / -0.19% | 53.50 | 53.50 | 52.50 | 52.50 | 52.66 | 27.72 | 22,220 |   |  			
            | 11/16/2017 | -0.40 / -0.75% | 53.00 | 53.10 | 52.60 | 52.60 | 52.83 | 27.78 | 21,030 |   |  
            | 11/15/2017 | +0.10 / +0.19% | 52.90 | 53.00 | 52.90 | 53.00 | 52.93 | 27.99 | 7,840 |   |  			
            | 11/14/2017 | -0.10 / -0.19% | 53.10 | 53.10 | 52.70 | 52.90 | 52.95 | 27.93 | 21,680 |   |  
            | 11/13/2017 | -0.10 / -0.19% | 53.30 | 53.90 | 52.90 | 53.00 | 53.01 | 27.99 | 14,940 |   |  			
            | 11/10/2017 | +0.20 / +0.38% | 53.00 | 53.20 | 52.90 | 53.10 | 53.05 | 28.04 | 10,970 |   |  
            | 11/9/2017 | -0.10 / -0.19% | 53.00 | 53.10 | 52.90 | 52.90 | 52.98 | 27.93 | 16,440 |   |  			
            | 11/8/2017 | 0.00 / 0.00% | 53.00 | 53.20 | 52.90 | 53.00 | 53.00 | 27.99 | 33,790 |   |  
            | 11/7/2017 | -0.50 / -0.93% | 53.50 | 53.50 | 52.80 | 53.00 | 53.01 | 27.99 | 20,260 |   |  			
            | 11/6/2017 | -0.50 / -0.93% | 54.00 | 54.00 | 53.50 | 53.50 | 53.66 | 28.25 | 100,960 |   |  
            | 11/3/2017 | 0.00 / 0.00% | 54.00 | 54.30 | 53.90 | 54.00 | 54.00 | 28.51 | 20,240 |   |  			
            | 11/2/2017 | 0.00 / 0.00% | 54.00 | 54.30 | 53.90 | 54.00 | 54.02 | 28.51 | 18,270 |   |  
            | 11/1/2017 | -0.30 / -0.55% | 54.30 | 55.00 | 54.00 | 54.00 | 54.11 | 28.51 | 79,000 |   |  			
            | 10/31/2017 | -0.30 / -0.55% | 54.60 | 54.60 | 54.20 | 54.30 | 54.41 | 28.67 | 26,210 |   |  
            | 10/30/2017 | -0.50 / -0.91% | 55.30 | 55.30 | 54.60 | 54.60 | 54.90 | 28.83 | 28,140 |   |  			
            | 10/27/2017 | -0.40 / -0.72% | 55.90 | 55.90 | 55.10 | 55.10 | 55.23 | 29.10 | 10,140 |   |  
            | 10/26/2017 | 0.00 / 0.00% | 55.60 | 55.90 | 55.10 | 55.50 | 55.44 | 29.31 | 15,080 |   |  			
            | 10/25/2017 | 0.00 / 0.00% | 56.20 | 56.20 | 55.10 | 55.50 | 55.61 | 29.31 | 18,700 |   |  
            | 10/24/2017 | -1.00 / -1.77% | 55.70 | 56.40 | 55.50 | 55.50 | 55.65 | 29.31 | 12,830 |   |  			
            | 10/23/2017 | -0.50 / -0.88% | 56.90 | 56.90 | 55.60 | 56.50 | 56.21 | 29.83 | 31,170 |   |  
            | 10/20/2017 | +0.10 / +0.18% | 55.80 | 57.00 | 55.80 | 57.00 | 56.71 | 30.10 | 21,900 |   |  			
            | 10/19/2017 | +0.10 / +0.18% | 57.00 | 57.00 | 55.80 | 56.90 | 56.31 | 30.05 | 18,630 |   |  
            | 10/18/2017 | +0.50 / +0.89% | 56.80 | 56.80 | 55.80 | 56.80 | 56.42 | 29.99 | 12,300 |   |  |