| 
                 
                    Closing price on 5/25/2021
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    19.30 | 
                 
                
                    | High | 
                    19.90 | 
                 
                
                    | Low | 
                    19.20 | 
                     
                
                    | Volume | 
                    340,400 | 
                                 
                
                    | Split-adjusted Price | 
                    17.78 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NRC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/25/2021
             | 
            
                +0.50 / +2.62%
             |             
            
                19.30
             |           
            
                19.90
             |               
            
                19.20
             |                           
            
                19.60
             | 
            
                19.59
             |                     
            
                17.78
             |                                 
            
                340,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2021
             | 
            
                0.00 / 0.00%
             |             
            
                19.10
             |           
            
                19.50
             |               
            
                18.80
             |                           
            
                19.10
             | 
            
                19.16
             |                     
            
                17.32
             |                                 
            
                270,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2021
             | 
            
                +0.90 / +4.95%
             |             
            
                18.00
             |           
            
                19.10
             |               
            
                17.60
             |                           
            
                19.10
             | 
            
                18.21
             |                     
            
                17.32
             |                                 
            
                336,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2021
             | 
            
                -1.10 / -5.70%
             |             
            
                19.00
             |           
            
                19.00
             |               
            
                17.50
             |                           
            
                18.20
             | 
            
                18.59
             |                     
            
                16.51
             |                                 
            
                346,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/19/2021
             | 
            
                -0.30 / -1.53%
             |             
            
                19.30
             |           
            
                19.40
             |               
            
                19.00
             |                           
            
                19.30
             | 
            
                19.17
             |                     
            
                17.50
             |                                 
            
                253,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2021
             | 
            
                -0.30 / -1.51%
             |             
            
                19.80
             |           
            
                19.90
             |               
            
                19.30
             |                           
            
                19.60
             | 
            
                19.62
             |                     
            
                17.78
             |                                 
            
                252,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2021
             | 
            
                -0.50 / -2.45%
             |             
            
                20.60
             |           
            
                21.00
             |               
            
                19.60
             |                           
            
                19.90
             | 
            
                19.77
             |                     
            
                18.05
             |                                 
            
                295,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2021
             | 
            
                +1.20 / +6.25%
             |             
            
                19.50
             |           
            
                21.00
             |               
            
                19.20
             |                           
            
                20.40
             | 
            
                19.55
             |                     
            
                18.50
             |                                 
            
                364,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2021
             | 
            
                -0.10 / -0.52%
             |             
            
                19.10
             |           
            
                19.40
             |               
            
                19.00
             |                           
            
                19.20
             | 
            
                19.28
             |                     
            
                17.41
             |                                 
            
                302,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2021
             | 
            
                -0.60 / -3.02%
             |             
            
                19.70
             |           
            
                19.70
             |               
            
                18.80
             |                           
            
                19.30
             | 
            
                19.08
             |                     
            
                17.50
             |                                 
            
                390,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2021
             | 
            
                -0.30 / -1.49%
             |             
            
                20.20
             |           
            
                20.40
             |               
            
                19.60
             |                           
            
                19.90
             | 
            
                20.08
             |                     
            
                18.05
             |                                 
            
                293,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2021
             | 
            
                -0.60 / -2.88%
             |             
            
                20.70
             |           
            
                20.70
             |               
            
                19.80
             |                           
            
                20.20
             | 
            
                20.19
             |                     
            
                18.32
             |                                 
            
                283,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2021
             | 
            
                -0.70 / -3.26%
             |             
            
                21.20
             |           
            
                21.30
             |               
            
                20.60
             |                           
            
                20.80
             | 
            
                20.74
             |                     
            
                18.86
             |                                 
            
                334,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2021
             | 
            
                +0.60 / +2.87%
             |             
            
                20.90
             |           
            
                21.80
             |               
            
                20.70
             |                           
            
                21.50
             | 
            
                21.23
             |                     
            
                19.50
             |                                 
            
                274,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2021
             | 
            
                +0.40 / +1.95%
             |             
            
                20.60
             |           
            
                21.00
             |               
            
                20.30
             |                           
            
                20.90
             | 
            
                20.65
             |                     
            
                18.95
             |                                 
            
                268,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2021
             | 
            
                -1.40 / -6.39%
             |             
            
                21.80
             |           
            
                21.80
             |               
            
                20.40
             |                           
            
                20.50
             | 
            
                21.25
             |                     
            
                18.59
             |                                 
            
                276,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/29/2021
             | 
            
                -0.10 / -0.45%
             |             
            
                22.10
             |           
            
                22.10
             |               
            
                21.80
             |                           
            
                21.90
             | 
            
                21.93
             |                     
            
                19.86
             |                                 
            
                245,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2021
             | 
            
                +0.10 / +0.46%
             |             
            
                21.80
             |           
            
                22.10
             |               
            
                21.60
             |                           
            
                22.00
             | 
            
                21.89
             |                     
            
                19.95
             |                                 
            
                218,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2021
             | 
            
                -0.10 / -0.45%
             |             
            
                22.20
             |           
            
                22.30
             |               
            
                21.80
             |                           
            
                21.90
             | 
            
                22.00
             |                     
            
                19.86
             |                                 
            
                252,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2021
             | 
            
                -0.40 / -1.79%
             |             
            
                22.40
             |           
            
                23.50
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.79
             |                     
            
                19.95
             |                                 
            
                344,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2021
             | 
            
                +0.40 / +1.82%
             |             
            
                22.00
             |           
            
                22.40
             |               
            
                21.50
             |                           
            
                22.40
             | 
            
                22.01
             |                     
            
                20.31
             |                                 
            
                179,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2021
             | 
            
                -0.50 / -2.22%
             |             
            
                22.30
             |           
            
                22.90
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.51
             |                     
            
                19.95
             |                                 
            
                304,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2021
             | 
            
                +0.20 / +0.90%
             |             
            
                22.20
             |           
            
                23.40
             |               
            
                22.20
             |                           
            
                22.50
             | 
            
                23.10
             |                     
            
                20.41
             |                                 
            
                289,901
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2021
             | 
            
                +0.20 / +0.90%
             |             
            
                22.10
             |           
            
                22.50
             |               
            
                20.50
             |                           
            
                22.30
             | 
            
                21.45
             |                     
            
                20.22
             |                                 
            
                226,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2021
             | 
            
                -1.00 / -4.33%
             |             
            
                23.00
             |           
            
                23.00
             |               
            
                21.90
             |                           
            
                22.10
             | 
            
                22.46
             |                     
            
                20.04
             |                                 
            
                381,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2021
             | 
            
                -0.80 / -3.35%
             |             
            
                24.20
             |           
            
                24.30
             |               
            
                22.70
             |                           
            
                23.10
             | 
            
                23.57
             |                     
            
                20.95
             |                                 
            
                388,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2021
             | 
            
                -0.10 / -0.42%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                23.50
             |                           
            
                23.90
             | 
            
                23.68
             |                     
            
                21.67
             |                                 
            
                294,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2021
             | 
            
                -0.60 / -2.44%
             |             
            
                24.50
             |           
            
                24.80
             |               
            
                23.80
             |                           
            
                24.00
             | 
            
                24.12
             |                     
            
                21.77
             |                                 
            
                301,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2021
             | 
            
                -0.20 / -0.81%
             |             
            
                24.80
             |           
            
                25.50
             |               
            
                24.20
             |                           
            
                24.60
             | 
            
                24.82
             |                     
            
                22.31
             |                                 
            
                297,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2021
             | 
            
                0.00 / 0.00%
             |             
            
                23.00
             |           
            
                26.40
             |               
            
                23.00
             |                           
            
                24.80
             | 
            
                24.69
             |                     
            
                22.49
             |                                 
            
                255,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |