| 
                 
                    Closing price on 11/25/2019
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    20.00 | 
                 
                
                    | High | 
                    20.00 | 
                 
                
                    | Low | 
                    19.50 | 
                     
                
                    | Volume | 
                    19,900 | 
                                 
                
                    | Split-adjusted Price | 
                    13.72 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NRC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/25/2019
             | 
            
                -0.40 / -2.00%
             |             
            
                20.00
             |           
            
                20.00
             |               
            
                19.50
             |                           
            
                19.60
             | 
            
                19.61
             |                     
            
                13.72
             |                                 
            
                19,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2019
             | 
            
                0.00 / 0.00%
             |             
            
                20.00
             |           
            
                20.50
             |               
            
                19.80
             |                           
            
                20.00
             | 
            
                20.00
             |                     
            
                14.00
             |                                 
            
                20,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2019
             | 
            
                -1.40 / -6.54%
             |             
            
                21.40
             |           
            
                21.40
             |               
            
                20.00
             |                           
            
                20.00
             | 
            
                21.02
             |                     
            
                14.00
             |                                 
            
                17,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2019
             | 
            
                -0.20 / -0.93%
             |             
            
                21.60
             |           
            
                21.60
             |               
            
                21.30
             |                           
            
                21.40
             | 
            
                21.40
             |                     
            
                14.98
             |                                 
            
                15,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2019
             | 
            
                +0.10 / +0.47%
             |             
            
                21.50
             |           
            
                21.60
             |               
            
                21.40
             |                           
            
                21.60
             | 
            
                21.44
             |                     
            
                15.12
             |                                 
            
                25,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2019
             | 
            
                -0.20 / -0.92%
             |             
            
                21.70
             |           
            
                21.70
             |               
            
                21.00
             |                           
            
                21.50
             | 
            
                21.55
             |                     
            
                15.05
             |                                 
            
                24,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2019
             | 
            
                +0.10 / +0.46%
             |             
            
                21.40
             |           
            
                21.70
             |               
            
                21.40
             |                           
            
                21.70
             | 
            
                21.42
             |                     
            
                15.19
             |                                 
            
                18,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2019
             | 
            
                -0.10 / -0.46%
             |             
            
                21.50
             |           
            
                21.70
             |               
            
                21.20
             |                           
            
                21.60
             | 
            
                21.50
             |                     
            
                15.12
             |                                 
            
                19,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2019
             | 
            
                -0.30 / -1.36%
             |             
            
                21.70
             |           
            
                21.70
             |               
            
                21.50
             |                           
            
                21.70
             | 
            
                21.63
             |                     
            
                15.19
             |                                 
            
                20,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2019
             | 
            
                +0.30 / +1.38%
             |             
            
                21.60
             |           
            
                22.00
             |               
            
                21.00
             |                           
            
                22.00
             | 
            
                21.42
             |                     
            
                15.40
             |                                 
            
                27,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2019
             | 
            
                -0.10 / -0.46%
             |             
            
                21.00
             |           
            
                21.70
             |               
            
                20.80
             |                           
            
                21.70
             | 
            
                21.34
             |                     
            
                15.19
             |                                 
            
                26,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2019
             | 
            
                -0.20 / -0.91%
             |             
            
                21.80
             |           
            
                21.90
             |               
            
                20.90
             |                           
            
                21.80
             | 
            
                21.65
             |                     
            
                15.26
             |                                 
            
                22,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2019
             | 
            
                +0.30 / +1.38%
             |             
            
                21.70
             |           
            
                22.00
             |               
            
                21.30
             |                           
            
                22.00
             | 
            
                21.75
             |                     
            
                15.40
             |                                 
            
                121,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2019
             | 
            
                +0.20 / +0.93%
             |             
            
                21.00
             |           
            
                21.70
             |               
            
                20.30
             |                           
            
                21.70
             | 
            
                21.41
             |                     
            
                15.19
             |                                 
            
                96,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2019
             | 
            
                -0.20 / -0.92%
             |             
            
                21.60
             |           
            
                21.60
             |               
            
                21.00
             |                           
            
                21.50
             | 
            
                21.49
             |                     
            
                15.05
             |                                 
            
                27,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2019
             | 
            
                -0.20 / -0.91%
             |             
            
                21.80
             |           
            
                21.80
             |               
            
                21.60
             |                           
            
                21.70
             | 
            
                21.68
             |                     
            
                15.19
             |                                 
            
                33,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2019
             | 
            
                0.00 / 0.00%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                21.50
             |                           
            
                21.90
             | 
            
                21.84
             |                     
            
                15.33
             |                                 
            
                27,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2019
             | 
            
                -0.10 / -0.45%
             |             
            
                21.50
             |           
            
                22.00
             |               
            
                21.20
             |                           
            
                21.90
             | 
            
                21.81
             |                     
            
                15.33
             |                                 
            
                27,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2019
             | 
            
                +0.10 / +0.46%
             |             
            
                21.90
             |           
            
                22.00
             |               
            
                21.90
             |                           
            
                22.00
             | 
            
                21.90
             |                     
            
                15.40
             |                                 
            
                41,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2019
             | 
            
                -0.10 / -0.45%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                21.90
             |                           
            
                21.90
             | 
            
                21.92
             |                     
            
                15.33
             |                                 
            
                40,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2019
             | 
            
                0.00 / 0.00%
             |             
            
                21.90
             |           
            
                22.00
             |               
            
                21.20
             |                           
            
                22.00
             | 
            
                21.84
             |                     
            
                15.40
             |                                 
            
                28,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2019
             | 
            
                -0.20 / -0.90%
             |             
            
                22.00
             |           
            
                22.10
             |               
            
                21.50
             |                           
            
                22.00
             | 
            
                21.96
             |                     
            
                15.40
             |                                 
            
                26,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2019
             | 
            
                -0.20 / -0.89%
             |             
            
                22.40
             |           
            
                22.40
             |               
            
                22.00
             |                           
            
                22.20
             | 
            
                22.15
             |                     
            
                15.54
             |                                 
            
                28,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2019
             | 
            
                -0.10 / -0.44%
             |             
            
                22.40
             |           
            
                22.40
             |               
            
                21.50
             |                           
            
                22.40
             | 
            
                22.24
             |                     
            
                15.68
             |                                 
            
                25,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/22/2019
             | 
            
                0.00 / 0.00%
             |             
            
                22.50
             |           
            
                22.60
             |               
            
                22.50
             |                           
            
                22.50
             | 
            
                22.51
             |                     
            
                15.75
             |                                 
            
                25,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2019
             | 
            
                +0.50 / +2.27%
             |             
            
                22.00
             |           
            
                22.50
             |               
            
                21.60
             |                           
            
                22.50
             | 
            
                22.12
             |                     
            
                15.75
             |                                 
            
                38,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2019
             | 
            
                0.00 / 0.00%
             |             
            
                22.10
             |           
            
                22.10
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.01
             |                     
            
                15.40
             |                                 
            
                27,900
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2019
             | 
            
                0.00 / 0.00%
             |             
            
                22.10
             |           
            
                22.10
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.01
             |                     
            
                15.40
             |                                 
            
                32,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2019
             | 
            
                0.00 / 0.00%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                21.70
             |                           
            
                22.00
             | 
            
                21.95
             |                     
            
                15.40
             |                                 
            
                20,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2019
             | 
            
                -0.10 / -0.45%
             |             
            
                22.10
             |           
            
                22.10
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.02
             |                     
            
                15.40
             |                                 
            
                20,500
             |  
            
                 
             |                                                              
             
    
         
    
    
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