| 
                 
                    Closing price on 12/29/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    56.00 | 
                 
                
                    | High | 
                    56.10 | 
                 
                
                    | Low | 
                    55.50 | 
                     
                
                    | Volume | 
                    9,320 | 
                                 
                
                    | Split-adjusted Price | 
                    12.61 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
IMP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/29/2016
             | 
            
                0.00 / 0.00%
             |             
            
                56.00
             |           
            
                56.10
             |               
            
                55.50
             |                           
            
                56.00
             | 
            
                55.90
             |                     
            
                12.61
             |                                 
            
                9,320
             |            
            
                 
             |                                       
         
    
        
            | 
                12/28/2016
             | 
            
                0.00 / 0.00%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                56.00
             |                           
            
                56.00
             | 
            
                56.00
             |                     
            
                12.61
             |                                 
            
                26,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/27/2016
             | 
            
                -0.30 / -0.53%
             |             
            
                56.10
             |           
            
                56.30
             |               
            
                55.60
             |                           
            
                56.00
             | 
            
                56.20
             |                     
            
                12.61
             |                                 
            
                24,360
             |            
            
                 
             |                                       
         
    
        
            | 
                12/26/2016
             | 
            
                +0.80 / +1.44%
             |             
            
                56.50
             |           
            
                56.50
             |               
            
                55.00
             |                           
            
                56.30
             | 
            
                55.74
             |                     
            
                12.67
             |                                 
            
                19,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/23/2016
             | 
            
                -0.80 / -1.42%
             |             
            
                56.30
             |           
            
                56.30
             |               
            
                55.00
             |                           
            
                55.50
             | 
            
                55.95
             |                     
            
                12.49
             |                                 
            
                202,520
             |            
            
                 
             |                                       
         
    
        
            | 
                12/22/2016
             | 
            
                +0.30 / +0.54%
             |             
            
                56.20
             |           
            
                56.30
             |               
            
                56.00
             |                           
            
                56.30
             | 
            
                56.20
             |                     
            
                12.67
             |                                 
            
                1,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/21/2016
             | 
            
                -0.20 / -0.36%
             |             
            
                55.40
             |           
            
                56.30
             |               
            
                55.40
             |                           
            
                56.00
             | 
            
                56.09
             |                     
            
                12.61
             |                                 
            
                10,180
             |            
            
                 
             |                                       
         
    
        
            | 
                12/20/2016
             | 
            
                +0.80 / +1.44%
             |             
            
                56.20
             |           
            
                56.50
             |               
            
                56.00
             |                           
            
                56.20
             | 
            
                56.35
             |                     
            
                12.65
             |                                 
            
                35,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/19/2016
             | 
            
                +0.90 / +1.65%
             |             
            
                54.50
             |           
            
                56.00
             |               
            
                54.50
             |                           
            
                55.40
             | 
            
                55.31
             |                     
            
                12.47
             |                                 
            
                24,220
             |            
            
                 
             |                                       
         
    
        
            | 
                12/16/2016
             | 
            
                -1.90 / -3.37%
             |             
            
                56.00
             |           
            
                56.00
             |               
            
                54.40
             |                           
            
                54.50
             | 
            
                54.90
             |                     
            
                12.27
             |                                 
            
                6,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/15/2016
             | 
            
                -0.60 / -1.05%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                56.30
             |                           
            
                56.40
             | 
            
                56.66
             |                     
            
                12.11
             |                                 
            
                18,780
             |            
            
                 
             |                                       
         
    
        
            | 
                12/14/2016
             | 
            
                +0.20 / +0.35%
             |             
            
                57.00
             |           
            
                57.40
             |               
            
                56.50
             |                           
            
                57.00
             | 
            
                56.91
             |                     
            
                12.23
             |                                 
            
                50,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/13/2016
             | 
            
                -0.20 / -0.35%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                56.30
             |                           
            
                56.80
             | 
            
                56.83
             |                     
            
                12.19
             |                                 
            
                5,930
             |            
            
                 
             |                                       
         
    
        
            | 
                12/12/2016
             | 
            
                -0.50 / -0.87%
             |             
            
                57.50
             |           
            
                57.50
             |               
            
                56.50
             |                           
            
                57.00
             | 
            
                56.84
             |                     
            
                12.23
             |                                 
            
                5,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/9/2016
             | 
            
                +0.50 / +0.88%
             |             
            
                57.20
             |           
            
                57.50
             |               
            
                56.90
             |                           
            
                57.50
             | 
            
                57.01
             |                     
            
                12.34
             |                                 
            
                43,430
             |            
            
                 
             |                                       
         
    
        
            | 
                12/8/2016
             | 
            
                0.00 / 0.00%
             |             
            
                57.50
             |           
            
                57.50
             |               
            
                57.00
             |                           
            
                57.00
             | 
            
                57.01
             |                     
            
                12.23
             |                                 
            
                38,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/7/2016
             | 
            
                -0.20 / -0.35%
             |             
            
                57.90
             |           
            
                57.90
             |               
            
                57.00
             |                           
            
                57.00
             | 
            
                57.60
             |                     
            
                12.23
             |                                 
            
                10,730
             |            
            
                 
             |                                       
         
    
        
            | 
                12/6/2016
             | 
            
                +0.20 / +0.35%
             |             
            
                57.80
             |           
            
                57.80
             |               
            
                57.00
             |                           
            
                57.20
             | 
            
                57.45
             |                     
            
                12.28
             |                                 
            
                16,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/5/2016
             | 
            
                0.00 / 0.00%
             |             
            
                57.50
             |           
            
                57.50
             |               
            
                57.00
             |                           
            
                57.00
             | 
            
                57.05
             |                     
            
                12.23
             |                                 
            
                16,160
             |            
            
                 
             |                                       
         
    
        
            | 
                12/2/2016
             | 
            
                0.00 / 0.00%
             |             
            
                57.20
             |           
            
                57.80
             |               
            
                57.00
             |                           
            
                57.00
             | 
            
                57.28
             |                     
            
                12.23
             |                                 
            
                20,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/1/2016
             | 
            
                0.00 / 0.00%
             |             
            
                57.00
             |           
            
                57.70
             |               
            
                57.00
             |                           
            
                57.00
             | 
            
                57.12
             |                     
            
                12.23
             |                                 
            
                15,860
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2016
             | 
            
                -0.80 / -1.38%
             |             
            
                57.00
             |           
            
                57.90
             |               
            
                57.00
             |                           
            
                57.00
             | 
            
                57.14
             |                     
            
                12.23
             |                                 
            
                15,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2016
             | 
            
                +0.70 / +1.23%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                57.00
             |                           
            
                57.80
             | 
            
                57.33
             |                     
            
                12.41
             |                                 
            
                15,280
             |            
            
                 
             |                                       
         
    
        
            | 
                11/28/2016
             | 
            
                +0.10 / +0.18%
             |             
            
                58.20
             |           
            
                58.20
             |               
            
                57.00
             |                           
            
                57.10
             | 
            
                57.13
             |                     
            
                12.26
             |                                 
            
                12,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/25/2016
             | 
            
                -1.60 / -2.73%
             |             
            
                58.90
             |           
            
                58.90
             |               
            
                57.00
             |                           
            
                57.00
             | 
            
                57.78
             |                     
            
                12.23
             |                                 
            
                14,850
             |            
            
                 
             |                                       
         
    
        
            | 
                11/24/2016
             | 
            
                +2.60 / +4.64%
             |             
            
                55.70
             |           
            
                59.90
             |               
            
                55.70
             |                           
            
                58.60
             | 
            
                58.16
             |                     
            
                12.58
             |                                 
            
                62,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2016
             | 
            
                +0.10 / +0.18%
             |             
            
                55.90
             |           
            
                56.00
             |               
            
                55.00
             |                           
            
                56.00
             | 
            
                55.67
             |                     
            
                12.02
             |                                 
            
                20,800
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2016
             | 
            
                +0.90 / +1.64%
             |             
            
                55.00
             |           
            
                56.00
             |               
            
                55.00
             |                           
            
                55.90
             | 
            
                55.56
             |                     
            
                12.00
             |                                 
            
                24,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2016
             | 
            
                -2.00 / -3.51%
             |             
            
                57.00
             |           
            
                57.00
             |               
            
                55.00
             |                           
            
                55.00
             | 
            
                55.27
             |                     
            
                11.80
             |                                 
            
                25,690
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2016
             | 
            
                -1.00 / -1.72%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                56.60
             |                           
            
                57.00
             | 
            
                57.20
             |                     
            
                12.23
             |                                 
            
                19,930
             |  
            
                 
             |                                                              
             
    
         
    
    
 |