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                    Closing price on 1/9/2018
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        |           
                
                    | Open | 48.80 |  
                    | High | 49.40 |  
                    | Low | 48.10 |  
                    | Volume | 9,015 |  
                    | Split-adjusted Price | 39.58 |  
                
             | 
 |  NCS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/9/2018 | -1.20 / -2.43% | 48.80 | 49.40 | 48.10 | 48.10 | 48.74 | 39.58 | 9,015 |   |  
            | 1/8/2018 | +0.50 / +1.02% | 49.80 | 49.80 | 48.80 | 49.30 | 49.39 | 40.57 | 4,968 |   |  			
            | 1/5/2018 | -0.10 / -0.20% | 48.80 | 48.80 | 48.80 | 48.80 | 48.80 | 40.16 | 2,200 |   |  
            | 1/4/2018 | -0.60 / -1.21% | 49.70 | 49.70 | 48.00 | 48.90 | 48.58 | 40.24 | 12,429 |   |  			
            | 1/3/2018 | +0.50 / +1.02% | 49.00 | 50.40 | 49.00 | 49.50 | 49.72 | 40.74 | 3,060 |   |  
            | 1/2/2018 | -1.00 / -2.00% | 49.00 | 49.00 | 48.00 | 49.00 | 48.65 | 40.32 | 1,500 |   |  			
            | 12/29/2017 | +0.80 / +1.63% | 50.00 | 50.00 | 50.00 | 50.00 | 50.00 | 41.15 | 120 |   |  
            | 12/28/2017 | -0.40 / -0.81% | 49.80 | 49.80 | 49.20 | 49.20 | 49.46 | 40.49 | 1,004 |   |  			
            | 12/27/2017 | -0.10 / -0.20% | 49.50 | 49.90 | 49.50 | 49.60 | 49.67 | 40.82 | 2,525 |   |  
            | 12/26/2017 | +0.40 / +0.81% | 49.70 | 50.00 | 49.70 | 49.70 | 49.73 | 40.90 | 9,079 |   |  			
            | 12/25/2017 | -0.80 / -1.60% | 49.00 | 49.50 | 49.00 | 49.30 | 49.11 | 40.57 | 1,020 |   |  
            | 12/22/2017 | +0.90 / +1.80% | 50.00 | 51.00 | 50.00 | 51.00 | 50.13 | 41.97 | 3,200 |   |  			
            | 12/21/2017 | +0.10 / +0.20% | 50.00 | 51.00 | 49.50 | 50.10 | 50.15 | 41.23 | 19,735 |   |  
            | 12/20/2017 | -2.30 / -4.40% | 53.00 | 53.00 | 49.90 | 50.00 | 50.72 | 41.15 | 17,299 |   |  			
            | 12/19/2017 | -1.20 / -2.24% | 53.00 | 54.00 | 52.30 | 52.30 | 53.51 | 43.04 | 10,100 |   |  
            | 12/18/2017 | +2.40 / +4.70% | 51.60 | 53.50 | 51.60 | 53.50 | 52.61 | 44.03 | 6,170 |   |  			
            | 12/15/2017 | +1.00 / +1.98% | 50.50 | 51.80 | 50.50 | 51.50 | 51.07 | 42.38 | 5,520 |   |  
            | 12/14/2017 | +1.50 / +3.06% | 49.00 | 50.50 | 49.00 | 50.50 | 49.52 | 41.56 | 14,500 |   |  			
            | 12/13/2017 | +0.20 / +0.41% | 48.90 | 49.00 | 48.90 | 49.00 | 48.96 | 40.32 | 4,455 |   |  
            | 12/12/2017 | +0.10 / +0.21% | 48.80 | 48.80 | 48.80 | 48.80 | 48.80 | 40.16 | 2,500 |   |  			
            | 12/11/2017 | -0.20 / -0.41% | 48.90 | 48.90 | 48.70 | 48.70 | 48.83 | 40.08 | 1,200 |   |  
            | 12/8/2017 | -0.10 / -0.20% | 48.90 | 48.90 | 48.80 | 48.80 | 48.88 | 40.16 | 610 |   |  			
            | 12/7/2017 | +0.10 / +0.20% | 49.00 | 49.00 | 48.90 | 48.90 | 48.92 | 40.24 | 3,600 |   |  
            | 12/6/2017 | -0.20 / -0.41% | 48.90 | 48.90 | 48.80 | 48.80 | 48.85 | 40.16 | 1,000 |   |  			
            | 12/5/2017 | -0.10 / -0.20% | 49.00 | 49.00 | 48.70 | 49.00 | 48.92 | 40.32 | 7,500 |   |  
            | 12/4/2017 | 0.00 / 0.00% | 49.10 | 49.10 | 49.00 | 49.10 | 49.05 | 40.41 | 4,800 |   |  			
            | 12/1/2017 | -0.20 / -0.41% | 49.20 | 49.20 | 49.00 | 49.00 | 49.07 | 40.32 | 1,265 |   |  
            | 11/30/2017 | +0.20 / +0.41% | 49.20 | 49.20 | 49.20 | 49.20 | 49.20 | 40.49 | 1,200 |   |  			
            | 11/29/2017 | 0.00 / 0.00% | 49.00 | 49.00 | 49.00 | 49.00 | 49.00 | 40.32 | 1,900 |   |  
            | 11/28/2017 | 0.00 / 0.00% | 49.00 | 49.00 | 49.00 | 49.00 | 49.00 | 40.32 | 1,720 |   |  |