| 
                 
                    Closing price on 12/25/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    55.40 | 
                 
                
                    | High | 
                    56.40 | 
                 
                
                    | Low | 
                    55.20 | 
                     
                
                    | Volume | 
                    37,680 | 
                                 
                
                    | Split-adjusted Price | 
                    22.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
IMP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/25/2020
             | 
            
                +0.80 / +1.44%
             |             
            
                55.40
             |           
            
                56.40
             |               
            
                55.20
             |                           
            
                56.20
             | 
            
                55.80
             |                     
            
                22.50
             |                                 
            
                37,680
             |            
            
                 
             |                                       
         
    
        
            | 
                12/24/2020
             | 
            
                -0.60 / -1.07%
             |             
            
                56.80
             |           
            
                56.80
             |               
            
                54.60
             |                           
            
                55.40
             | 
            
                55.60
             |                     
            
                22.18
             |                                 
            
                34,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/23/2020
             | 
            
                +0.40 / +0.72%
             |             
            
                55.90
             |           
            
                56.90
             |               
            
                55.30
             |                           
            
                56.00
             | 
            
                56.15
             |                     
            
                22.42
             |                                 
            
                81,010
             |            
            
                 
             |                                       
         
    
        
            | 
                12/22/2020
             | 
            
                0.00 / 0.00%
             |             
            
                55.90
             |           
            
                55.90
             |               
            
                55.20
             |                           
            
                55.60
             | 
            
                55.49
             |                     
            
                22.26
             |                                 
            
                96,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/21/2020
             | 
            
                -0.20 / -0.36%
             |             
            
                55.80
             |           
            
                56.30
             |               
            
                55.50
             |                           
            
                55.60
             | 
            
                55.69
             |                     
            
                22.26
             |                                 
            
                77,590
             |            
            
                 
             |                                       
         
    
        
            | 
                12/18/2020
             | 
            
                -0.10 / -0.18%
             |             
            
                55.60
             |           
            
                56.00
             |               
            
                55.60
             |                           
            
                55.80
             | 
            
                55.78
             |                     
            
                22.34
             |                                 
            
                53,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/17/2020
             | 
            
                -0.50 / -0.89%
             |             
            
                56.40
             |           
            
                56.90
             |               
            
                55.40
             |                           
            
                55.90
             | 
            
                55.93
             |                     
            
                22.38
             |                                 
            
                60,580
             |            
            
                 
             |                                       
         
    
        
            | 
                12/16/2020
             | 
            
                +0.20 / +0.36%
             |             
            
                56.20
             |           
            
                57.00
             |               
            
                56.20
             |                           
            
                56.40
             | 
            
                56.45
             |                     
            
                22.58
             |                                 
            
                61,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/15/2020
             | 
            
                -0.60 / -1.06%
             |             
            
                56.90
             |           
            
                57.10
             |               
            
                56.20
             |                           
            
                56.20
             | 
            
                56.64
             |                     
            
                22.50
             |                                 
            
                60,810
             |            
            
                 
             |                                       
         
    
        
            | 
                12/14/2020
             | 
            
                +0.90 / +1.61%
             |             
            
                56.50
             |           
            
                57.20
             |               
            
                55.60
             |                           
            
                56.80
             | 
            
                56.65
             |                     
            
                22.74
             |                                 
            
                163,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/11/2020
             | 
            
                +1.10 / +2.01%
             |             
            
                54.80
             |           
            
                55.90
             |               
            
                54.30
             |                           
            
                55.90
             | 
            
                55.09
             |                     
            
                22.38
             |                                 
            
                121,050
             |            
            
                 
             |                                       
         
    
        
            | 
                12/10/2020
             | 
            
                -0.20 / -0.36%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                54.20
             |                           
            
                54.80
             | 
            
                54.56
             |                     
            
                21.94
             |                                 
            
                77,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/9/2020
             | 
            
                0.00 / 0.00%
             |             
            
                55.00
             |           
            
                55.40
             |               
            
                54.60
             |                           
            
                55.00
             | 
            
                54.97
             |                     
            
                22.02
             |                                 
            
                87,110
             |            
            
                 
             |                                       
         
    
        
            | 
                12/8/2020
             | 
            
                -0.50 / -0.90%
             |             
            
                55.50
             |           
            
                55.50
             |               
            
                54.50
             |                           
            
                55.00
             | 
            
                55.03
             |                     
            
                22.02
             |                                 
            
                65,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2020
             | 
            
                +0.10 / +0.18%
             |             
            
                55.20
             |           
            
                55.80
             |               
            
                55.20
             |                           
            
                55.50
             | 
            
                55.54
             |                     
            
                22.22
             |                                 
            
                50,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/4/2020
             | 
            
                -0.10 / -0.18%
             |             
            
                55.50
             |           
            
                55.90
             |               
            
                55.00
             |                           
            
                55.40
             | 
            
                55.28
             |                     
            
                22.18
             |                                 
            
                63,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/3/2020
             | 
            
                -0.60 / -1.07%
             |             
            
                56.20
             |           
            
                56.50
             |               
            
                55.00
             |                           
            
                55.50
             | 
            
                55.79
             |                     
            
                22.22
             |                                 
            
                74,800
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2020
             | 
            
                +2.30 / +4.28%
             |             
            
                55.30
             |           
            
                56.70
             |               
            
                54.10
             |                           
            
                56.10
             | 
            
                56.01
             |                     
            
                22.46
             |                                 
            
                163,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/1/2020
             | 
            
                0.00 / 0.00%
             |             
            
                52.30
             |           
            
                54.00
             |               
            
                52.30
             |                           
            
                53.80
             | 
            
                53.06
             |                     
            
                21.54
             |                                 
            
                91,130
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2020
             | 
            
                -1.40 / -2.54%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                53.80
             |                           
            
                53.80
             | 
            
                54.22
             |                     
            
                21.54
             |                                 
            
                65,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2020
             | 
            
                +0.40 / +0.73%
             |             
            
                55.50
             |           
            
                55.90
             |               
            
                54.90
             |                           
            
                55.20
             | 
            
                55.48
             |                     
            
                22.10
             |                                 
            
                53,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2020
             | 
            
                -0.10 / -0.18%
             |             
            
                55.50
             |           
            
                56.00
             |               
            
                54.10
             |                           
            
                54.80
             | 
            
                55.32
             |                     
            
                21.94
             |                                 
            
                70,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2020
             | 
            
                +3.50 / +6.81%
             |             
            
                52.00
             |           
            
                54.90
             |               
            
                51.50
             |                           
            
                54.90
             | 
            
                54.20
             |                     
            
                21.98
             |                                 
            
                366,280
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2020
             | 
            
                -0.40 / -0.77%
             |             
            
                52.20
             |           
            
                52.20
             |               
            
                51.40
             |                           
            
                51.40
             | 
            
                51.85
             |                     
            
                20.58
             |                                 
            
                64,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2020
             | 
            
                -0.20 / -0.38%
             |             
            
                52.00
             |           
            
                52.40
             |               
            
                51.50
             |                           
            
                51.80
             | 
            
                51.87
             |                     
            
                20.74
             |                                 
            
                41,310
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2020
             | 
            
                0.00 / 0.00%
             |             
            
                52.30
             |           
            
                52.30
             |               
            
                51.50
             |                           
            
                52.00
             | 
            
                51.71
             |                     
            
                20.82
             |                                 
            
                83,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2020
             | 
            
                +0.30 / +0.58%
             |             
            
                51.90
             |           
            
                52.00
             |               
            
                51.20
             |                           
            
                52.00
             | 
            
                51.86
             |                     
            
                20.82
             |                                 
            
                27,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2020
             | 
            
                +0.10 / +0.19%
             |             
            
                52.30
             |           
            
                52.30
             |               
            
                50.80
             |                           
            
                51.70
             | 
            
                51.05
             |                     
            
                20.70
             |                                 
            
                134,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/17/2020
             | 
            
                +1.00 / +1.98%
             |             
            
                50.80
             |           
            
                51.60
             |               
            
                50.80
             |                           
            
                51.60
             | 
            
                51.00
             |                     
            
                20.66
             |                                 
            
                47,130
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2020
             | 
            
                -1.90 / -3.62%
             |             
            
                52.40
             |           
            
                52.50
             |               
            
                50.10
             |                           
            
                50.60
             | 
            
                51.41
             |                     
            
                20.26
             |                                 
            
                157,440
             |  
            
                 
             |                                                              
             
    
         
    
    
 |