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                    Closing price on 7/19/2018
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                    | Open | 35.00 |  
                    | High | 37.50 |  
                    | Low | 33.80 |  
                    | Volume | 13,900 |  
                    | Split-adjusted Price | 17.31 |  
                
             | 
 |  NRC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/19/2018 | +0.50 / +1.35% | 35.00 | 37.50 | 33.80 | 37.50 | 35.92 | 17.31 | 13,900 |   |  
            | 7/18/2018 | +2.00 / +5.71% | 34.40 | 37.00 | 32.50 | 37.00 | 35.48 | 17.07 | 7,700 |   |  			
            | 7/17/2018 | +2.00 / +6.06% | 33.00 | 35.00 | 31.30 | 35.00 | 33.48 | 16.15 | 8,500 |   |  
            | 7/16/2018 | +1.00 / +3.13% | 34.80 | 34.80 | 31.70 | 33.00 | 32.59 | 15.23 | 9,500 |   |  			
            | 7/13/2018 | -0.50 / -1.54% | 33.40 | 33.40 | 30.00 | 32.00 | 32.89 | 14.77 | 9,600 |   |  
            | 7/12/2018 | -0.50 / -1.52% | 34.00 | 34.00 | 32.40 | 32.50 | 33.30 | 15.00 | 10,000 |   |  			
            | 7/11/2018 | -1.00 / -2.94% | 34.50 | 34.50 | 32.50 | 33.00 | 33.89 | 15.23 | 10,300 |   |  
            | 7/10/2018 | -0.80 / -2.30% | 34.50 | 38.20 | 31.80 | 34.00 | 37.07 | 15.69 | 12,800 |   |  			
            | 7/9/2018 | +1.80 / +5.45% | 36.20 | 36.30 | 30.00 | 34.80 | 35.51 | 16.06 | 13,900 |   |  
            | 7/6/2018 | -3.50 / -9.59% | 32.90 | 37.00 | 32.90 | 33.00 | 34.22 | 15.23 | 14,100 |   |  			
            | 7/5/2018 | -4.00 / -9.88% | 40.40 | 40.40 | 36.50 | 36.50 | 37.76 | 16.84 | 8,600 |   |  
            | 7/4/2018 | -4.40 / -9.80% | 44.00 | 44.30 | 40.50 | 40.50 | 44.09 | 18.69 | 14,600 |   |  			
            | 7/3/2018 | 0.00 / 0.00% | 45.90 | 45.90 | 44.90 | 44.90 | 45.86 | 20.72 | 9,400 |   |  
            | 7/2/2018 | +1.40 / +3.22% | 44.90 | 44.90 | 44.90 | 44.90 | 44.90 | 20.72 | 6,800 |   |  			
            | 6/29/2018 | +0.60 / +1.40% | 42.40 | 43.50 | 38.70 | 43.50 | 41.02 | 20.07 | 24,300 |   |  
            | 6/28/2018 | -0.50 / -1.15% | 42.90 | 42.90 | 42.90 | 42.90 | 42.90 | 19.80 | 11,000 |   |  			
            | 6/27/2018 | -1.90 / -4.19% | 45.40 | 45.40 | 41.10 | 43.40 | 44.63 | 20.03 | 3,000 |   |  
            | 6/26/2018 | +0.10 / +0.22% | 45.00 | 45.40 | 45.00 | 45.30 | 45.28 | 20.90 | 5,900 |   |  			
            | 6/25/2018 | +0.20 / +0.44% | 45.40 | 45.40 | 45.20 | 45.20 | 45.31 | 20.86 | 4,200 |   |  
            | 6/22/2018 | -0.20 / -0.44% | 45.00 | 45.00 | 44.90 | 45.00 | 44.99 | 20.77 | 2,400 |   |  			
            | 6/21/2018 | -0.30 / -0.66% | 45.20 | 45.20 | 45.00 | 45.20 | 45.16 | 20.86 | 1,700 |   |  
            | 6/20/2018 | -0.40 / -0.87% | 46.40 | 46.40 | 42.90 | 45.50 | 43.16 | 21.00 | 57,700 |   |  			
            | 6/19/2018 | -0.70 / -1.50% | 47.00 | 47.00 | 45.70 | 45.90 | 46.55 | 21.18 | 6,400 |   |  
            | 6/18/2018 | -0.60 / -1.27% | 47.80 | 47.80 | 46.50 | 46.60 | 47.01 | 21.50 | 9,100 |   |  			
            | 6/15/2018 | -0.40 / -0.84% | 47.40 | 47.40 | 46.90 | 47.20 | 47.20 | 21.78 | 10,200 |   |  
            | 6/14/2018 | -0.20 / -0.42% | 48.00 | 48.00 | 47.00 | 47.60 | 47.41 | 21.97 | 10,900 |   |  			
            | 6/13/2018 | +0.30 / +0.63% | 47.50 | 48.30 | 47.00 | 47.80 | 47.48 | 22.06 | 25,100 |   |  
            | 6/12/2018 | -1.00 / -2.06% | 47.20 | 48.70 | 43.70 | 47.50 | 44.70 | 21.92 | 194,800 |   |  			
            | 6/11/2018 | -0.20 / -0.41% | 48.10 | 49.00 | 48.00 | 48.50 | 48.47 | 22.38 | 17,800 |   |  
            | 6/8/2018 | 0.00 / 0.00% | 48.30 | 48.80 | 48.30 | 48.70 | 48.55 | 22.47 | 16,600 |   |  |