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                    Closing price on 6/1/2018
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                    | Open | 36.50 |  
                    | High | 36.50 |  
                    | Low | 36.00 |  
                    | Volume | 38,600 |  
                    | Split-adjusted Price | 31.50 |  
                
             | 
 |  NCS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/1/2018 | -0.50 / -1.37% | 36.50 | 36.50 | 36.00 | 36.00 | 36.44 | 31.50 | 38,600 |   |  
            | 5/31/2018 | 0.00 / 0.00% | 36.10 | 37.00 | 36.00 | 36.50 | 36.53 | 31.93 | 4,000 |   |  			
            | 5/30/2018 | -0.60 / -1.62% | 37.30 | 37.30 | 36.50 | 36.50 | 37.21 | 31.93 | 3,000 |   |  
            | 5/29/2018 | -1.90 / -4.87% | 38.50 | 38.50 | 37.10 | 37.10 | 37.33 | 32.46 | 18,700 |   |  			
            | 5/28/2018 | -0.90 / -2.26% | 39.90 | 39.90 | 38.00 | 39.00 | 39.09 | 34.12 | 1,100 |   |  
            | 5/25/2018 | -1.50 / -3.66% | 40.00 | 40.00 | 39.50 | 39.50 | 39.85 | 34.56 | 10,500 |   |  			
            | 5/24/2018 | -0.20 / -0.49% | 41.20 | 41.20 | 41.00 | 41.00 | 41.12 | 35.87 | 500 |   |  
            | 5/23/2018 | -2.50 / -5.72% | 41.20 | 41.20 | 41.20 | 41.20 | 41.20 | 36.04 | 2,400 |   |  			
            | 5/22/2018 | -0.10 / -0.23% | 43.90 | 43.90 | 43.70 | 43.70 | 43.81 | 35.96 | 6,600 |   |  
            | 5/21/2018 | 0.00 / 0.00% | 44.00 | 44.00 | 43.80 | 43.80 | 43.90 | 36.04 | 9,300 |   |  			
            | 5/18/2018 | -1.00 / -2.22% | 44.00 | 44.00 | 43.50 | 44.00 | 43.84 | 36.21 | 9,300 |   |  
            | 5/17/2018 | 0.00 / 0.00% | 45.50 | 45.50 | 45.00 | 45.00 | 45.03 | 37.03 | 2,900 |   |  			
            | 5/16/2018 | -1.00 / -2.17% | 45.80 | 45.80 | 45.00 | 45.00 | 45.44 | 37.03 | 9,000 |   |  
            | 5/15/2018 | +1.00 / +2.22% | 45.00 | 46.00 | 45.00 | 46.00 | 45.75 | 37.86 | 400 |   |  			
            | 5/14/2018 | +0.90 / +2.04% | 45.00 | 45.00 | 45.00 | 45.00 | 45.00 | 37.03 | 200 |   |  
            | 5/11/2018 | +1.00 / +2.27% | 44.00 | 45.00 | 44.00 | 45.00 | 44.08 | 37.03 | 11,200 |   |  			
            | 5/10/2018 | +0.10 / +0.23% | 44.00 | 44.00 | 44.00 | 44.00 | 44.00 | 36.21 | 7,700 |   |  
            | 5/9/2018 | +0.40 / +0.92% | 43.80 | 44.00 | 43.80 | 43.90 | 43.98 | 36.13 | 9,100 |   |  			
            | 5/8/2018 | -0.50 / -1.14% | 44.00 | 44.50 | 43.50 | 43.50 | 44.01 | 35.80 | 42,700 |   |  
            | 5/7/2018 | +0.50 / +1.15% | 43.50 | 44.00 | 43.00 | 44.00 | 43.30 | 36.21 | 4,100 |   |  			
            | 5/4/2018 | +2.90 / +7.06% | 42.50 | 44.00 | 42.50 | 44.00 | 43.53 | 36.21 | 2,000 |   |  
            | 5/3/2018 | -2.90 / -6.59% | 44.00 | 44.00 | 41.00 | 41.10 | 42.18 | 33.82 | 3,200 |   |  			
            | 5/2/2018 | -1.00 / -2.22% | 44.00 | 44.00 | 44.00 | 44.00 | 44.00 | 36.21 | 100 |   |  
            | 4/27/2018 | 0.00 / 0.00% | 45.00 | 45.00 | 45.00 | 45.00 | 45.00 | 37.03 | 0 |   |  			
            | 4/26/2018 | 0.00 / 0.00% | 45.00 | 45.00 | 45.00 | 45.00 | 45.00 | 37.03 | 200 |   |  
            | 4/24/2018 | -0.10 / -0.22% | 45.00 | 45.00 | 44.90 | 44.90 | 44.95 | 36.95 | 200 |   |  			
            | 4/23/2018 | -2.00 / -4.26% | 45.00 | 45.00 | 45.00 | 45.00 | 45.00 | 37.03 | 6,100 |   |  
            | 4/20/2018 | 0.00 / 0.00% | 47.00 | 47.00 | 47.00 | 47.00 | 47.00 | 38.68 | 900 |   |  			
            | 4/19/2018 | 0.00 / 0.00% | 48.50 | 48.50 | 47.00 | 47.00 | 47.13 | 38.68 | 1,200 |   |  
            | 4/18/2018 | +1.90 / +4.21% | 47.00 | 47.50 | 47.00 | 47.00 | 47.30 | 38.68 | 7,150 |   |  |