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                    Closing price on 9/28/2018
                 |  |  
    
        |           
                
                    | Open | 38.50 |  
                    | High | 39.00 |  
                    | Low | 38.50 |  
                    | Volume | 8,200 |  
                    | Split-adjusted Price | 34.12 |  
                
             | 
 |  NCS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/28/2018 | +0.80 / +2.09% | 38.50 | 39.00 | 38.50 | 39.00 | 38.96 | 34.12 | 8,200 |   |  
            | 9/27/2018 | +0.10 / +0.26% | 38.20 | 38.20 | 38.20 | 38.20 | 38.20 | 33.42 | 0 |   |  			
            | 9/26/2018 | -0.90 / -2.31% | 38.20 | 38.20 | 38.10 | 38.10 | 38.18 | 33.33 | 600 |   |  
            | 9/25/2018 | 0.00 / 0.00% | 39.00 | 39.00 | 38.50 | 39.00 | 38.94 | 34.12 | 1,800 |   |  			
            | 9/24/2018 | 0.00 / 0.00% | 39.40 | 39.50 | 39.00 | 39.00 | 39.44 | 34.12 | 1,000 |   |  
            | 9/21/2018 | 0.00 / 0.00% | 38.60 | 39.00 | 38.60 | 39.00 | 38.99 | 34.12 | 3,600 |   |  			
            | 9/20/2018 | +0.20 / +0.52% | 39.50 | 39.50 | 39.00 | 39.00 | 39.06 | 34.12 | 800 |   |  
            | 9/19/2018 | 0.00 / 0.00% | 35.00 | 39.00 | 35.00 | 38.80 | 38.77 | 33.95 | 2,500 |   |  			
            | 9/18/2018 | +0.20 / +0.52% | 38.50 | 38.80 | 38.00 | 38.80 | 38.62 | 33.95 | 4,000 |   |  
            | 9/17/2018 | 0.00 / 0.00% | 38.60 | 38.60 | 38.60 | 38.60 | 38.60 | 33.77 | 0 |   |  			
            | 9/14/2018 | 0.00 / 0.00% | 38.60 | 38.60 | 38.50 | 38.60 | 38.59 | 33.77 | 5,400 |   |  
            | 9/13/2018 | 0.00 / 0.00% | 38.60 | 38.60 | 38.60 | 38.60 | 38.60 | 33.77 | 0 |   |  			
            | 9/12/2018 | 0.00 / 0.00% | 38.60 | 38.60 | 38.60 | 38.60 | 38.60 | 33.77 | 700 |   |  
            | 9/11/2018 | 0.00 / 0.00% | 38.60 | 38.60 | 38.50 | 38.60 | 38.57 | 33.77 | 2,900 |   |  			
            | 9/10/2018 | 0.00 / 0.00% | 38.60 | 38.60 | 38.60 | 38.60 | 38.60 | 33.77 | 0 |   |  
            | 9/7/2018 | +0.30 / +0.79% | 38.90 | 38.90 | 38.30 | 38.50 | 38.62 | 33.68 | 3,800 |   |  			
            | 9/6/2018 | -0.30 / -0.78% | 38.30 | 38.30 | 38.20 | 38.20 | 38.25 | 33.42 | 200 |   |  
            | 9/5/2018 | 0.00 / 0.00% | 38.50 | 38.50 | 38.50 | 38.50 | 38.50 | 33.68 | 1,400 |   |  			
            | 9/4/2018 | 0.00 / 0.00% | 38.50 | 38.50 | 38.50 | 38.50 | 38.50 | 33.68 | 0 |   |  
            | 8/31/2018 | 0.00 / 0.00% | 38.50 | 38.50 | 38.50 | 38.50 | 38.50 | 33.68 | 1,700 |   |  			
            | 8/30/2018 | 0.00 / 0.00% | 38.50 | 38.50 | 38.50 | 38.50 | 38.50 | 33.68 | 1,000 |   |  
            | 8/29/2018 | -0.50 / -1.28% | 38.50 | 38.50 | 38.50 | 38.50 | 38.50 | 33.68 | 500 |   |  			
            | 8/28/2018 | 0.00 / 0.00% | 39.00 | 39.50 | 39.00 | 39.00 | 39.03 | 34.12 | 3,200 |   |  
            | 8/27/2018 | +1.40 / +3.72% | 41.80 | 41.90 | 39.00 | 39.00 | 41.47 | 34.12 | 2,700 |   |  			
            | 8/24/2018 | +0.40 / +1.06% | 37.50 | 38.00 | 37.50 | 38.00 | 37.62 | 33.25 | 4,000 |   |  
            | 8/23/2018 | +0.50 / +1.35% | 37.50 | 37.60 | 37.50 | 37.60 | 37.52 | 32.90 | 2,900 |   |  			
            | 8/22/2018 | +0.10 / +0.27% | 37.00 | 37.10 | 37.00 | 37.10 | 37.01 | 32.46 | 3,400 |   |  
            | 8/21/2018 | +0.20 / +0.54% | 36.60 | 37.00 | 36.60 | 37.00 | 36.80 | 32.37 | 5,500 |   |  			
            | 8/20/2018 | -0.20 / -0.54% | 36.60 | 36.80 | 36.50 | 36.80 | 36.51 | 32.20 | 6,900 |   |  
            | 8/17/2018 | +0.30 / +0.82% | 37.00 | 37.00 | 37.00 | 37.00 | 37.00 | 32.37 | 100 |   |  |