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                    Closing price on 8/1/2017
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                    | Open | 69.00 |  
                    | High | 69.00 |  
                    | Low | 68.00 |  
                    | Volume | 8,165 |  
                    | Split-adjusted Price | 38.45 |  
                
             | 
 |  NCS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/1/2017 | -0.10 / -0.15% | 69.00 | 69.00 | 68.00 | 68.00 | 68.32 | 38.45 | 8,165 |   |  
            | 7/31/2017 | +1.00 / +1.49% | 67.50 | 70.00 | 67.10 | 68.10 | 68.55 | 38.51 | 20,300 |   |  			
            | 7/28/2017 | +2.80 / +4.39% | 64.50 | 71.80 | 64.50 | 66.60 | 67.10 | 37.66 | 28,010 |   |  
            | 7/27/2017 | +2.10 / +3.40% | 61.50 | 63.80 | 61.50 | 63.80 | 62.47 | 36.08 | 12,490 |   |  			
            | 7/26/2017 | +2.50 / +4.22% | 59.50 | 61.80 | 59.50 | 61.70 | 60.97 | 34.89 | 10,899 |   |  
            | 7/25/2017 | -0.80 / -1.33% | 59.20 | 59.20 | 59.20 | 59.20 | 59.20 | 33.48 | 1,000 |   |  			
            | 7/24/2017 | 0.00 / 0.00% | 60.00 | 60.00 | 59.50 | 60.00 | 59.57 | 33.93 | 7,470 |   |  
            | 7/21/2017 | -1.00 / -1.64% | 60.00 | 60.00 | 60.00 | 60.00 | 60.00 | 33.93 | 500 |   |  			
            | 7/20/2017 | 0.00 / 0.00% | 61.00 | 61.00 | 61.00 | 61.00 | 61.00 | 34.49 | 3,300 |   |  
            | 7/19/2017 | -0.50 / -0.81% | 60.70 | 61.00 | 60.70 | 61.00 | 60.79 | 34.49 | 1,090 |   |  			
            | 7/18/2017 | +0.60 / +0.99% | 60.00 | 61.50 | 60.00 | 61.50 | 61.15 | 34.78 | 7,000 |   |  
            | 7/17/2017 | 0.00 / 0.00% | 60.90 | 60.90 | 60.90 | 60.90 | 60.90 | 34.44 | 0 |   |  			
            | 7/14/2017 | +2.50 / +4.20% | 59.10 | 62.00 | 59.10 | 62.00 | 60.88 | 35.06 | 2,020 |   |  
            | 7/13/2017 | -1.50 / -2.46% | 59.00 | 59.50 | 59.00 | 59.50 | 59.10 | 33.65 | 11,000 |   |  			
            | 7/12/2017 | 0.00 / 0.00% | 61.00 | 61.00 | 60.90 | 61.00 | 60.97 | 34.49 | 3,950 |   |  
            | 7/11/2017 | +2.00 / +3.39% | 60.00 | 61.00 | 60.00 | 61.00 | 60.57 | 34.49 | 4,911 |   |  			
            | 7/10/2017 | 0.00 / 0.00% | 59.00 | 59.00 | 59.00 | 59.00 | 59.00 | 33.36 | 220 |   |  
            | 7/7/2017 | +0.30 / +0.51% | 59.00 | 59.00 | 59.00 | 59.00 | 59.00 | 33.36 | 1,200 |   |  			
            | 7/6/2017 | +0.10 / +0.17% | 58.70 | 58.70 | 58.70 | 58.70 | 58.70 | 33.19 | 310 |   |  
            | 7/5/2017 | -0.40 / -0.68% | 59.00 | 59.00 | 58.60 | 58.60 | 58.67 | 33.14 | 1,200 |   |  			
            | 7/4/2017 | +0.20 / +0.34% | 58.90 | 59.10 | 58.90 | 59.00 | 58.98 | 33.36 | 7,300 |   |  
            | 7/3/2017 | +0.10 / +0.17% | 59.00 | 59.00 | 58.80 | 58.80 | 58.95 | 33.25 | 7,444 |   |  			
            | 6/30/2017 | 0.00 / 0.00% | 58.70 | 58.70 | 58.60 | 58.60 | 58.69 | 33.14 | 5,300 |   |  
            | 6/29/2017 | +0.30 / +0.51% | 58.40 | 58.70 | 58.40 | 58.60 | 58.59 | 33.14 | 7,500 |   |  			
            | 6/28/2017 | 0.00 / 0.00% | 58.30 | 58.30 | 58.30 | 58.30 | 58.30 | 32.97 | 5,000 |   |  
            | 6/27/2017 | +1.20 / +2.10% | 58.00 | 58.30 | 58.00 | 58.30 | 58.19 | 32.97 | 17,600 |   |  			
            | 6/26/2017 | 0.00 / 0.00% | 57.10 | 57.10 | 57.10 | 57.10 | 57.10 | 32.29 | 0 |   |  
            | 6/23/2017 | -1.00 / -1.72% | 57.00 | 57.30 | 57.00 | 57.30 | 57.12 | 32.40 | 2,100 |   |  			
            | 6/22/2017 | +0.70 / +1.22% | 58.00 | 58.50 | 58.00 | 58.30 | 58.19 | 32.97 | 9,813 |   |  
            | 6/21/2017 | +2.50 / +4.54% | 57.50 | 58.00 | 57.00 | 57.60 | 57.65 | 32.57 | 17,510 |   |  |