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                    Closing price on 5/28/2020
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                    | Open | 20.10 |  
                    | High | 20.10 |  
                    | Low | 20.00 |  
                    | Volume | 3,400 |  
                    | Split-adjusted Price | 18.64 |  
                
             | 
 |  NCS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/28/2020 | -0.10 / -0.50% | 20.10 | 20.10 | 20.00 | 20.00 | 20.07 | 18.64 | 3,400 |   |  
            | 5/27/2020 | 0.00 / 0.00% | 20.10 | 20.10 | 20.00 | 20.10 | 20.04 | 18.73 | 3,100 |   |  			
            | 5/26/2020 | -0.30 / -1.47% | 20.10 | 20.10 | 20.00 | 20.10 | 20.06 | 18.73 | 3,700 |   |  
            | 5/25/2020 | +0.40 / +2.00% | 20.00 | 20.40 | 20.00 | 20.40 | 20.11 | 19.01 | 11,200 |   |  			
            | 5/22/2020 | +0.50 / +2.50% | 20.00 | 20.50 | 20.00 | 20.50 | 20.04 | 19.10 | 2,900 |   |  
            | 5/21/2020 | 0.00 / 0.00% | 20.00 | 20.00 | 20.00 | 20.00 | 20.00 | 18.64 | 4,100 |   |  			
            | 5/20/2020 | 0.00 / 0.00% | 20.00 | 20.50 | 20.00 | 20.00 | 20.26 | 18.64 | 9,400 |   |  
            | 5/19/2020 | +0.30 / +1.52% | 20.60 | 20.60 | 20.00 | 20.00 | 20.04 | 18.64 | 1,700 |   |  			
            | 5/18/2020 | -0.30 / -1.50% | 20.60 | 20.60 | 19.60 | 19.70 | 19.77 | 18.36 | 1,000 |   |  
            | 5/15/2020 | -0.20 / -1.00% | 20.10 | 20.10 | 19.90 | 19.90 | 19.98 | 18.54 | 2,400 |   |  			
            | 5/14/2020 | +0.10 / +0.50% | 20.10 | 20.10 | 20.00 | 20.10 | 20.03 | 18.73 | 900 |   |  
            | 5/13/2020 | 0.00 / 0.00% | 20.00 | 20.00 | 19.90 | 20.00 | 19.95 | 18.64 | 6,000 |   |  			
            | 5/12/2020 | -0.10 / -0.50% | 20.10 | 20.10 | 19.90 | 20.00 | 20.00 | 18.64 | 3,700 |   |  
            | 5/11/2020 | -0.80 / -3.83% | 20.70 | 20.70 | 19.70 | 20.10 | 19.98 | 18.73 | 3,800 |   |  			
            | 5/8/2020 | +1.50 / +7.69% | 19.90 | 21.00 | 19.90 | 21.00 | 20.94 | 19.57 | 9,500 |   |  
            | 5/7/2020 | -0.50 / -2.50% | 20.00 | 20.00 | 19.50 | 19.50 | 19.87 | 18.17 | 2,000 |   |  			
            | 5/6/2020 | 0.00 / 0.00% | 20.10 | 20.10 | 20.00 | 20.00 | 20.02 | 18.64 | 1,100 |   |  
            | 5/5/2020 | -0.40 / -1.96% | 20.40 | 20.40 | 20.00 | 20.00 | 20.10 | 18.64 | 400 |   |  			
            | 5/4/2020 | 0.00 / 0.00% | 20.40 | 20.40 | 20.40 | 20.40 | 20.40 | 19.01 | 6,500 |   |  
            | 4/29/2020 | +0.30 / +1.50% | 20.50 | 20.80 | 20.30 | 20.30 | 20.42 | 18.92 | 5,000 |   |  			
            | 4/28/2020 | +0.60 / +3.09% | 19.60 | 20.20 | 19.60 | 20.00 | 20.00 | 18.64 | 10,400 |   |  
            | 4/27/2020 | +0.30 / +1.57% | 19.40 | 19.40 | 19.40 | 19.40 | 19.40 | 18.08 | 100 |   |  			
            | 4/24/2020 | -1.40 / -6.83% | 19.10 | 19.10 | 19.10 | 19.10 | 19.10 | 17.80 | 700 |   |  
            | 4/23/2020 | 0.00 / 0.00% | 20.50 | 20.60 | 20.50 | 20.50 | 20.54 | 19.10 | 24,500 |   |  			
            | 4/22/2020 | 0.00 / 0.00% | 20.50 | 20.50 | 20.50 | 20.50 | 20.50 | 19.10 | 1,500 |   |  
            | 4/21/2020 | -0.50 / -2.38% | 21.00 | 21.30 | 20.50 | 20.50 | 20.96 | 19.10 | 21,700 |   |  			
            | 4/20/2020 | +1.80 / +9.38% | 20.20 | 21.50 | 20.20 | 21.00 | 20.89 | 19.57 | 28,800 |   |  
            | 4/17/2020 | +0.10 / +0.52% | 19.00 | 19.50 | 19.00 | 19.20 | 19.19 | 17.89 | 6,400 |   |  			
            | 4/16/2020 | 0.00 / 0.00% | 19.00 | 19.10 | 19.00 | 19.10 | 19.06 | 17.80 | 10,100 |   |  
            | 4/15/2020 | +0.10 / +0.53% | 19.10 | 19.20 | 19.10 | 19.10 | 19.14 | 17.80 | 8,200 |   |  |