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            | 
                    Closing price on 1/23/2019
                 |  |  
    
        |           
                
                    | Open | 34.30 |  
                    | High | 34.40 |  
                    | Low | 34.20 |  
                    | Volume | 6,200 |  
                    | Split-adjusted Price | 29.92 |  
                
             | 
 |  NCS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/23/2019 | 0.00 / 0.00% | 34.30 | 34.40 | 34.20 | 34.20 | 34.29 | 29.92 | 6,200 |   |  
            | 1/22/2019 | -0.80 / -2.29% | 34.60 | 34.60 | 34.20 | 34.20 | 34.43 | 29.92 | 1,500 |   |  			
            | 1/21/2019 | +1.20 / +3.55% | 35.00 | 35.00 | 35.00 | 35.00 | 35.00 | 30.62 | 100 |   |  
            | 1/18/2019 | -0.90 / -2.61% | 34.50 | 34.50 | 33.60 | 33.60 | 33.78 | 29.40 | 600 |   |  			
            | 1/17/2019 | -0.50 / -1.43% | 35.10 | 35.10 | 34.50 | 34.50 | 34.77 | 30.18 | 3,400 |   |  
            | 1/16/2019 | 0.00 / 0.00% | 35.30 | 35.50 | 35.00 | 35.00 | 35.15 | 30.62 | 3,600 |   |  			
            | 1/15/2019 | 0.00 / 0.00% | 35.00 | 35.00 | 35.00 | 35.00 | 35.00 | 30.62 | 500 |   |  
            | 1/14/2019 | +0.30 / +0.86% | 35.00 | 35.00 | 35.00 | 35.00 | 35.00 | 30.62 | 200 |   |  			
            | 1/11/2019 | -0.10 / -0.29% | 35.00 | 35.60 | 34.40 | 34.40 | 34.67 | 30.10 | 5,400 |   |  
            | 1/10/2019 | -0.50 / -1.43% | 35.00 | 35.00 | 34.00 | 34.50 | 34.41 | 30.18 | 2,700 |   |  			
            | 1/9/2019 | -0.40 / -1.13% | 35.00 | 35.00 | 35.00 | 35.00 | 35.00 | 30.62 | 700 |   |  
            | 1/8/2019 | +1.00 / +2.91% | 35.00 | 35.40 | 34.00 | 35.40 | 34.42 | 30.97 | 3,300 |   |  			
            | 1/7/2019 | 0.00 / 0.00% | 34.40 | 34.40 | 34.40 | 34.40 | 34.40 | 30.10 | 0 |   |  
            | 1/4/2019 | -0.80 / -2.30% | 34.90 | 34.90 | 34.00 | 34.00 | 34.36 | 29.75 | 1,000 |   |  			
            | 1/3/2019 | -2.10 / -5.69% | 34.80 | 34.80 | 34.80 | 34.80 | 34.80 | 30.45 | 100 |   |  
            | 1/2/2019 | -0.30 / -0.81% | 37.00 | 37.00 | 36.90 | 36.90 | 36.98 | 32.28 | 1,200 |   |  			
            | 12/28/2018 | 0.00 / 0.00% | 37.20 | 37.20 | 37.20 | 37.20 | 37.20 | 32.55 | 0 |   |  
            | 12/27/2018 | +2.20 / +6.29% | 37.20 | 37.20 | 37.20 | 37.20 | 37.20 | 32.55 | 500 |   |  			
            | 12/26/2018 | 0.00 / 0.00% | 35.00 | 35.00 | 35.00 | 35.00 | 35.00 | 30.62 | 100 |   |  
            | 12/25/2018 | -2.40 / -6.42% | 35.00 | 35.00 | 35.00 | 35.00 | 35.00 | 30.62 | 500 |   |  			
            | 12/24/2018 | +1.80 / +5.06% | 37.40 | 37.40 | 37.40 | 37.40 | 37.40 | 32.72 | 2,100 |   |  
            | 12/21/2018 | +0.20 / +0.57% | 36.00 | 36.00 | 35.20 | 35.20 | 35.60 | 30.80 | 1,500 |   |  			
            | 12/20/2018 | -1.50 / -4.11% | 35.50 | 35.50 | 35.00 | 35.00 | 35.17 | 30.62 | 1,300 |   |  
            | 12/19/2018 | 0.00 / 0.00% | 36.50 | 36.50 | 36.50 | 36.50 | 36.50 | 31.93 | 0 |   |  			
            | 12/18/2018 | +2.00 / +5.80% | 36.50 | 36.50 | 36.50 | 36.50 | 36.50 | 31.93 | 0 |   |  
            | 12/17/2018 | +0.40 / +1.17% | 38.40 | 38.40 | 34.50 | 34.50 | 36.45 | 30.18 | 200 |   |  			
            | 12/14/2018 | -2.50 / -6.67% | 36.10 | 36.10 | 33.10 | 35.00 | 34.06 | 30.62 | 9,000 |   |  
            | 12/13/2018 | +0.10 / +0.27% | 37.50 | 37.50 | 37.50 | 37.50 | 37.50 | 32.81 | 0 |   |  			
            | 12/12/2018 | +1.40 / +3.89% | 37.00 | 38.00 | 37.00 | 37.40 | 37.53 | 32.72 | 2,500 |   |  
            | 12/11/2018 | 0.00 / 0.00% | 36.00 | 36.00 | 36.00 | 36.00 | 36.00 | 31.50 | 200 |   |  |