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                    Closing price on 6/13/2017
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        |           
                
                    | Open | 79.00 |  
                    | High | 79.40 |  
                    | Low | 78.10 |  
                    | Volume | 14,990 |  
                    | Split-adjusted Price | 29.34 |  
                
             | 
 |  NNC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/13/2017 | -1.10 / -1.39% | 79.00 | 79.40 | 78.10 | 78.10 | 78.25 | 29.34 | 14,990 |   |  
            | 6/12/2017 | -0.20 / -0.25% | 79.00 | 79.20 | 78.10 | 79.20 | 78.80 | 29.75 | 10,800 |   |  			
            | 6/9/2017 | -0.50 / -0.63% | 79.40 | 79.70 | 79.00 | 79.40 | 79.11 | 29.82 | 10,960 |   |  
            | 6/8/2017 | +0.40 / +0.50% | 79.50 | 79.90 | 78.60 | 79.90 | 79.61 | 30.01 | 23,490 |   |  			
            | 6/7/2017 | -0.20 / -0.25% | 79.70 | 79.70 | 78.60 | 79.50 | 79.23 | 29.86 | 23,590 |   |  
            | 6/6/2017 | -0.30 / -0.38% | 79.00 | 80.00 | 79.00 | 79.70 | 79.21 | 29.94 | 14,190 |   |  			
            | 6/5/2017 | +0.70 / +0.88% | 78.70 | 80.00 | 78.50 | 80.00 | 79.02 | 30.05 | 18,640 |   |  
            | 6/2/2017 | +0.80 / +1.02% | 79.30 | 79.30 | 78.50 | 79.30 | 78.79 | 29.79 | 9,290 |   |  			
            | 6/1/2017 | -1.50 / -1.88% | 79.50 | 80.80 | 78.50 | 78.50 | 79.04 | 29.49 | 27,150 |   |  
            | 5/31/2017 | -0.10 / -0.12% | 80.00 | 80.10 | 79.10 | 80.00 | 79.79 | 30.05 | 11,530 |   |  			
            | 5/30/2017 | -0.90 / -1.11% | 81.00 | 81.00 | 79.00 | 80.10 | 80.04 | 30.09 | 29,260 |   |  
            | 5/29/2017 | +1.00 / +1.25% | 80.00 | 81.90 | 80.00 | 81.00 | 80.78 | 30.43 | 32,990 |   |  			
            | 5/26/2017 | +1.00 / +1.27% | 79.00 | 80.00 | 78.40 | 80.00 | 79.46 | 30.05 | 54,720 |   |  
            | 5/25/2017 | +1.10 / +1.41% | 77.70 | 79.50 | 77.70 | 79.00 | 78.05 | 29.67 | 34,440 |   |  			
            | 5/24/2017 | -0.90 / -1.14% | 78.80 | 78.80 | 77.60 | 77.90 | 77.85 | 29.26 | 7,720 |   |  
            | 5/23/2017 | -0.20 / -0.25% | 78.90 | 78.90 | 77.90 | 78.80 | 78.26 | 29.60 | 18,860 |   |  			
            | 5/22/2017 | -1.00 / -1.25% | 79.00 | 79.90 | 78.00 | 79.00 | 78.21 | 29.67 | 8,170 |   |  
            | 5/19/2017 | +1.00 / +1.27% | 78.10 | 80.00 | 77.00 | 80.00 | 78.89 | 30.05 | 49,160 |   |  			
            | 5/18/2017 | -0.20 / -0.25% | 79.00 | 79.00 | 78.00 | 79.00 | 78.49 | 29.67 | 10,180 |   |  
            | 5/17/2017 | 0.00 / 0.00% | 79.00 | 79.60 | 78.10 | 79.20 | 78.89 | 29.75 | 9,900 |   |  			
            | 5/16/2017 | -0.50 / -0.63% | 79.20 | 80.00 | 78.60 | 79.20 | 79.52 | 29.75 | 14,310 |   |  
            | 5/15/2017 | -0.30 / -0.38% | 80.50 | 81.00 | 79.00 | 79.70 | 79.36 | 29.94 | 21,180 |   |  			
            | 5/12/2017 | +2.00 / +2.56% | 78.00 | 80.00 | 77.00 | 80.00 | 78.71 | 30.05 | 65,060 |   |  
            | 5/11/2017 | -0.10 / -0.13% | 78.00 | 78.00 | 77.40 | 78.00 | 77.53 | 29.30 | 12,820 |   |  			
            | 5/10/2017 | +1.20 / +1.56% | 77.50 | 78.50 | 76.90 | 78.10 | 77.32 | 29.34 | 10,820 |   |  
            | 5/9/2017 | -1.60 / -2.04% | 78.50 | 78.50 | 76.90 | 76.90 | 77.22 | 28.89 | 10,120 |   |  			
            | 5/8/2017 | -1.00 / -1.26% | 79.40 | 79.40 | 76.90 | 78.50 | 77.67 | 29.49 | 13,100 |   |  
            | 5/5/2017 | +0.50 / +0.63% | 79.00 | 79.50 | 77.50 | 79.50 | 78.84 | 29.86 | 36,070 |   |  			
            | 5/4/2017 | +1.30 / +1.67% | 77.70 | 79.00 | 76.80 | 79.00 | 78.25 | 29.67 | 41,260 |   |  
            | 5/3/2017 | -1.70 / -2.14% | 79.50 | 79.50 | 77.70 | 77.70 | 78.22 | 29.19 | 25,900 |   |  |