| 
                 
                    Closing price on 6/25/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    62.80 | 
                 
                
                    | High | 
                    62.80 | 
                 
                
                    | Low | 
                    61.50 | 
                     
                
                    | Volume | 
                    383,240 | 
                                 
                
                    | Split-adjusted Price | 
                    47.41 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PLX Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/25/2018
             | 
            
                +1.20 / +1.99%
             |             
            
                62.80
             |           
            
                62.80
             |               
            
                61.50
             |                           
            
                61.60
             | 
            
                61.94
             |                     
            
                47.41
             |                                 
            
                383,240
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2018
             | 
            
                +0.80 / +1.28%
             |             
            
                62.50
             |           
            
                63.40
             |               
            
                61.90
             |                           
            
                63.40
             | 
            
                62.81
             |                     
            
                46.49
             |                                 
            
                308,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2018
             | 
            
                -1.30 / -2.03%
             |             
            
                63.80
             |           
            
                63.80
             |               
            
                62.50
             |                           
            
                62.60
             | 
            
                62.98
             |                     
            
                45.90
             |                                 
            
                259,740
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2018
             | 
            
                +1.40 / +2.24%
             |             
            
                62.90
             |           
            
                63.90
             |               
            
                61.50
             |                           
            
                63.90
             | 
            
                62.96
             |                     
            
                46.85
             |                                 
            
                305,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/19/2018
             | 
            
                -2.00 / -3.10%
             |             
            
                63.50
             |           
            
                64.00
             |               
            
                60.00
             |                           
            
                62.50
             | 
            
                61.30
             |                     
            
                45.83
             |                                 
            
                1,282,720
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2018
             | 
            
                -2.80 / -4.16%
             |             
            
                66.80
             |           
            
                67.20
             |               
            
                64.50
             |                           
            
                64.50
             | 
            
                65.61
             |                     
            
                47.29
             |                                 
            
                517,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2018
             | 
            
                +0.60 / +0.90%
             |             
            
                66.40
             |           
            
                67.30
             |               
            
                65.70
             |                           
            
                67.30
             | 
            
                66.83
             |                     
            
                49.34
             |                                 
            
                476,310
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2018
             | 
            
                -0.30 / -0.45%
             |             
            
                67.00
             |           
            
                68.30
             |               
            
                66.70
             |                           
            
                66.70
             | 
            
                67.41
             |                     
            
                48.90
             |                                 
            
                594,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/13/2018
             | 
            
                +2.20 / +3.40%
             |             
            
                64.90
             |           
            
                67.00
             |               
            
                64.50
             |                           
            
                67.00
             | 
            
                65.89
             |                     
            
                49.12
             |                                 
            
                496,570
             |            
            
                 
             |                                       
         
    
        
            | 
                6/12/2018
             | 
            
                -1.50 / -2.26%
             |             
            
                65.00
             |           
            
                66.00
             |               
            
                62.20
             |                           
            
                64.80
             | 
            
                63.89
             |                     
            
                47.51
             |                                 
            
                927,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2018
             | 
            
                -1.90 / -2.79%
             |             
            
                66.50
             |           
            
                68.40
             |               
            
                66.20
             |                           
            
                66.30
             | 
            
                67.19
             |                     
            
                48.61
             |                                 
            
                584,970
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2018
             | 
            
                +1.30 / +1.94%
             |             
            
                66.80
             |           
            
                68.50
             |               
            
                65.80
             |                           
            
                68.20
             | 
            
                67.05
             |                     
            
                50.00
             |                                 
            
                781,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2018
             | 
            
                -0.30 / -0.45%
             |             
            
                67.00
             |           
            
                67.40
             |               
            
                66.00
             |                           
            
                66.90
             | 
            
                66.75
             |                     
            
                49.05
             |                                 
            
                637,220
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2018
             | 
            
                +1.60 / +2.44%
             |             
            
                66.00
             |           
            
                67.50
             |               
            
                64.80
             |                           
            
                67.20
             | 
            
                66.51
             |                     
            
                49.27
             |                                 
            
                547,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2018
             | 
            
                +2.80 / +4.46%
             |             
            
                62.80
             |           
            
                66.50
             |               
            
                62.80
             |                           
            
                65.60
             | 
            
                64.59
             |                     
            
                48.10
             |                                 
            
                765,440
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2018
             | 
            
                +0.30 / +0.48%
             |             
            
                62.50
             |           
            
                63.50
             |               
            
                61.60
             |                           
            
                62.80
             | 
            
                62.67
             |                     
            
                46.05
             |                                 
            
                386,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2018
             | 
            
                +0.50 / +0.81%
             |             
            
                62.90
             |           
            
                63.00
             |               
            
                60.90
             |                           
            
                62.50
             | 
            
                62.04
             |                     
            
                45.83
             |                                 
            
                686,660
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2018
             | 
            
                +3.50 / +5.98%
             |             
            
                58.00
             |           
            
                62.50
             |               
            
                58.00
             |                           
            
                62.00
             | 
            
                61.43
             |                     
            
                45.46
             |                                 
            
                849,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2018
             | 
            
                -1.40 / -2.34%
             |             
            
                59.50
             |           
            
                60.50
             |               
            
                58.50
             |                           
            
                58.50
             | 
            
                59.31
             |                     
            
                42.89
             |                                 
            
                490,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2018
             | 
            
                +3.90 / +6.96%
             |             
            
                57.00
             |           
            
                59.90
             |               
            
                56.40
             |                           
            
                59.90
             | 
            
                58.73
             |                     
            
                43.92
             |                                 
            
                678,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2018
             | 
            
                -3.50 / -5.88%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                56.00
             |                           
            
                56.00
             | 
            
                57.45
             |                     
            
                41.06
             |                                 
            
                976,740
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2018
             | 
            
                -3.50 / -5.56%
             |             
            
                63.00
             |           
            
                63.50
             |               
            
                59.50
             |                           
            
                59.50
             | 
            
                61.31
             |                     
            
                43.63
             |                                 
            
                618,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2018
             | 
            
                -0.30 / -0.47%
             |             
            
                63.60
             |           
            
                64.50
             |               
            
                62.00
             |                           
            
                63.00
             | 
            
                63.20
             |                     
            
                46.19
             |                                 
            
                382,870
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2018
             | 
            
                +1.30 / +2.10%
             |             
            
                61.00
             |           
            
                63.30
             |               
            
                60.20
             |                           
            
                63.30
             | 
            
                61.87
             |                     
            
                46.41
             |                                 
            
                614,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2018
             | 
            
                -4.00 / -6.06%
             |             
            
                64.50
             |           
            
                66.00
             |               
            
                61.40
             |                           
            
                62.00
             | 
            
                62.99
             |                     
            
                45.46
             |                                 
            
                955,310
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2018
             | 
            
                -3.00 / -4.35%
             |             
            
                69.10
             |           
            
                69.10
             |               
            
                66.00
             |                           
            
                66.00
             | 
            
                67.31
             |                     
            
                48.39
             |                                 
            
                542,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2018
             | 
            
                +1.00 / +1.47%
             |             
            
                67.20
             |           
            
                69.00
             |               
            
                65.00
             |                           
            
                69.00
             | 
            
                67.47
             |                     
            
                50.59
             |                                 
            
                825,630
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2018
             | 
            
                -1.00 / -1.45%
             |             
            
                68.60
             |           
            
                69.30
             |               
            
                68.00
             |                           
            
                68.00
             | 
            
                68.65
             |                     
            
                49.86
             |                                 
            
                852,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2018
             | 
            
                -1.60 / -2.27%
             |             
            
                71.00
             |           
            
                71.00
             |               
            
                68.50
             |                           
            
                69.00
             | 
            
                69.45
             |                     
            
                50.59
             |                                 
            
                728,550
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2018
             | 
            
                +4.60 / +6.97%
             |             
            
                66.00
             |           
            
                70.60
             |               
            
                66.00
             |                           
            
                70.60
             | 
            
                69.45
             |                     
            
                51.76
             |                                 
            
                1,275,590
             |  
            
                 
             |                                                              
             
    
         
    
    
 |