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                    Closing price on 7/19/2017
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        |           
                
                    | Open | 60.70 |  
                    | High | 61.00 |  
                    | Low | 60.70 |  
                    | Volume | 1,090 |  
                    | Split-adjusted Price | 34.49 |  
                
             | 
 |  NCS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 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 |   |  
            | 6/20/2017 | -2.40 / -4.17% | 55.10 | 55.10 | 55.10 | 55.10 | 55.10 | 31.16 | 400 |   |  			
            | 6/19/2017 | -0.50 / -0.86% | 57.60 | 57.60 | 57.50 | 57.50 | 57.52 | 32.51 | 1,705 |   |  
            | 6/16/2017 | +0.50 / +0.87% | 58.00 | 58.00 | 58.00 | 58.00 | 58.00 | 32.80 | 1,109 |   |  			
            | 6/15/2017 | 0.00 / 0.00% | 57.90 | 57.90 | 57.50 | 57.50 | 57.76 | 32.51 | 1,251 |   |  
            | 6/14/2017 | -1.50 / -2.54% | 58.00 | 58.00 | 57.50 | 57.50 | 57.86 | 32.51 | 1,100 |   |  			
            | 6/13/2017 | +2.00 / +3.51% | 57.50 | 59.00 | 57.50 | 59.00 | 58.92 | 33.36 | 10,400 |   |  
            | 6/12/2017 | 0.00 / 0.00% | 57.00 | 57.00 | 57.00 | 57.00 | 57.00 | 32.23 | 5 |   |  			
            | 6/9/2017 | +1.00 / +1.79% | 57.00 | 57.00 | 57.00 | 57.00 | 57.00 | 32.23 | 2,505 |   |  
            | 6/8/2017 | -0.50 / -0.88% | 57.50 | 57.50 | 56.00 | 56.00 | 56.96 | 31.67 | 1,300 |   |  |