| 
                 
                    Closing price on 11/26/2020
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    55.50 | 
                 
                
                    | High | 
                    56.00 | 
                 
                
                    | Low | 
                    54.10 | 
                     
                
                    | Volume | 
                    70,380 | 
                                 
                
                    | Split-adjusted Price | 
                    21.94 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
IMP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2020
             | 
            
                +0.30 / +0.57%
             |             
            
                52.20
             |           
            
                53.30
             |               
            
                51.80
             |                           
            
                52.50
             | 
            
                52.47
             |                     
            
                21.02
             |                                 
            
                91,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/12/2020
             | 
            
                -1.10 / -2.06%
             |             
            
                53.60
             |           
            
                53.60
             |               
            
                51.70
             |                           
            
                52.20
             | 
            
                52.64
             |                     
            
                20.90
             |                                 
            
                298,410
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2020
             | 
            
                +0.30 / +0.57%
             |             
            
                52.90
             |           
            
                54.00
             |               
            
                52.60
             |                           
            
                53.30
             | 
            
                53.38
             |                     
            
                21.34
             |                                 
            
                239,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2020
             | 
            
                +0.50 / +0.95%
             |             
            
                52.90
             |           
            
                53.30
             |               
            
                52.70
             |                           
            
                53.00
             | 
            
                52.96
             |                     
            
                21.22
             |                                 
            
                143,050
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2020
             | 
            
                +2.00 / +3.96%
             |             
            
                50.80
             |           
            
                52.80
             |               
            
                50.50
             |                           
            
                52.50
             | 
            
                51.87
             |                     
            
                21.02
             |                                 
            
                289,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2020
             | 
            
                +1.45 / +2.96%
             |             
            
                49.05
             |           
            
                50.80
             |               
            
                49.05
             |                           
            
                50.50
             | 
            
                49.80
             |                     
            
                20.22
             |                                 
            
                209,690
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2020
             | 
            
                -0.40 / -0.81%
             |             
            
                49.50
             |           
            
                49.50
             |               
            
                48.95
             |                           
            
                49.05
             | 
            
                49.23
             |                     
            
                19.64
             |                                 
            
                97,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/4/2020
             | 
            
                -0.05 / -0.10%
             |             
            
                49.10
             |           
            
                49.60
             |               
            
                49.00
             |                           
            
                49.45
             | 
            
                49.33
             |                     
            
                19.80
             |                                 
            
                168,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2020
             | 
            
                -0.05 / -0.10%
             |             
            
                49.50
             |           
            
                49.75
             |               
            
                49.30
             |                           
            
                49.50
             | 
            
                49.54
             |                     
            
                19.82
             |                                 
            
                125,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2020
             | 
            
                +0.45 / +0.92%
             |             
            
                49.10
             |           
            
                49.80
             |               
            
                49.10
             |                           
            
                49.55
             | 
            
                49.46
             |                     
            
                19.84
             |                                 
            
                206,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/30/2020
             | 
            
                +0.10 / +0.20%
             |             
            
                49.90
             |           
            
                49.90
             |               
            
                48.00
             |                           
            
                49.10
             | 
            
                48.91
             |                     
            
                19.66
             |                                 
            
                150,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/29/2020
             | 
            
                +2.70 / +5.83%
             |             
            
                46.85
             |           
            
                49.50
             |               
            
                46.10
             |                           
            
                49.00
             | 
            
                48.64
             |                     
            
                19.62
             |                                 
            
                448,010
             |            
            
                 
             |                                       
         
    
        
            | 
                10/28/2020
             | 
            
                -0.35 / -0.75%
             |             
            
                46.60
             |           
            
                47.40
             |               
            
                46.30
             |                           
            
                46.30
             | 
            
                46.66
             |                     
            
                18.54
             |                                 
            
                46,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/27/2020
             | 
            
                0.00 / 0.00%
             |             
            
                46.60
             |           
            
                46.70
             |               
            
                46.20
             |                           
            
                46.65
             | 
            
                46.47
             |                     
            
                18.68
             |                                 
            
                32,450
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2020
             | 
            
                +0.05 / +0.11%
             |             
            
                47.00
             |           
            
                47.00
             |               
            
                46.20
             |                           
            
                46.65
             | 
            
                46.43
             |                     
            
                18.68
             |                                 
            
                34,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/23/2020
             | 
            
                +0.20 / +0.43%
             |             
            
                46.60
             |           
            
                46.70
             |               
            
                46.10
             |                           
            
                46.60
             | 
            
                46.33
             |                     
            
                18.66
             |                                 
            
                48,410
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2020
             | 
            
                -0.35 / -0.75%
             |             
            
                46.75
             |           
            
                46.75
             |               
            
                46.30
             |                           
            
                46.40
             | 
            
                46.40
             |                     
            
                18.58
             |                                 
            
                21,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/21/2020
             | 
            
                +0.05 / +0.11%
             |             
            
                46.75
             |           
            
                47.25
             |               
            
                46.50
             |                           
            
                46.75
             | 
            
                46.88
             |                     
            
                18.72
             |                                 
            
                41,250
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2020
             | 
            
                -0.40 / -0.85%
             |             
            
                47.10
             |           
            
                47.20
             |               
            
                46.40
             |                           
            
                46.70
             | 
            
                46.82
             |                     
            
                18.70
             |                                 
            
                74,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2020
             | 
            
                -0.20 / -0.42%
             |             
            
                47.00
             |           
            
                47.50
             |               
            
                47.00
             |                           
            
                47.10
             | 
            
                47.23
             |                     
            
                18.86
             |                                 
            
                49,190
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2020
             | 
            
                -0.20 / -0.42%
             |             
            
                47.70
             |           
            
                47.70
             |               
            
                46.70
             |                           
            
                47.30
             | 
            
                47.03
             |                     
            
                18.94
             |                                 
            
                101,730
             |  
            
                 
             |                                                              
             
    
         
    
    
 |