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            | 
                    Closing price on 11/16/2017
                 |  |  
    
        |           
                
                    | Open | 53.00 |  
                    | High | 53.10 |  
                    | Low | 52.60 |  
                    | Volume | 21,030 |  
                    | Split-adjusted Price | 27.78 |  
                
             | 
 |  NNC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  			
            | 10/17/2017 | +0.30 / +0.54% | 56.00 | 57.00 | 55.80 | 56.30 | 56.21 | 29.73 | 5,960 |   |  
            | 10/16/2017 | -2.80 / -4.76% | 57.50 | 57.50 | 55.00 | 56.00 | 55.72 | 29.57 | 18,110 |   |  			
            | 10/13/2017 | +3.80 / +6.91% | 54.90 | 58.80 | 54.50 | 58.80 | 56.18 | 31.05 | 62,500 |   |  
            | 10/12/2017 | 0.00 / 0.00% | 55.00 | 55.00 | 54.70 | 55.00 | 54.92 | 29.04 | 21,850 |   |  			
            | 10/11/2017 | -3.20 / -5.50% | 56.00 | 56.00 | 55.00 | 55.00 | 55.12 | 29.04 | 66,980 |   |  
            | 10/10/2017 | -1.00 / -1.69% | 59.00 | 59.00 | 58.10 | 58.20 | 58.42 | 29.15 | 76,390 |   |  			
            | 10/9/2017 | +0.20 / +0.34% | 59.00 | 59.20 | 58.00 | 59.20 | 58.51 | 29.65 | 118,800 |   |  
            | 10/6/2017 | 0.00 / 0.00% | 59.00 | 59.00 | 58.30 | 59.00 | 58.77 | 29.55 | 17,390 |   |  |