| 
                 
                    Closing price on 11/15/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    55.70 | 
                 
                
                    | High | 
                    57.50 | 
                 
                
                    | Low | 
                    55.60 | 
                     
                
                    | Volume | 
                    445,550 | 
                                 
                
                    | Split-adjusted Price | 
                    41.72 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PLX Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/15/2017
             | 
            
                +1.60 / +2.89%
             |             
            
                55.70
             |           
            
                57.50
             |               
            
                55.60
             |                           
            
                56.90
             | 
            
                56.76
             |                     
            
                41.72
             |                                 
            
                445,550
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2017
             | 
            
                -0.10 / -0.18%
             |             
            
                55.00
             |           
            
                56.00
             |               
            
                54.10
             |                           
            
                55.30
             | 
            
                54.96
             |                     
            
                40.55
             |                                 
            
                462,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2017
             | 
            
                -2.60 / -4.48%
             |             
            
                57.50
             |           
            
                57.50
             |               
            
                54.00
             |                           
            
                55.40
             | 
            
                55.37
             |                     
            
                40.62
             |                                 
            
                580,360
             |            
            
                 
             |                                       
         
    
        
            | 
                11/10/2017
             | 
            
                -0.20 / -0.34%
             |             
            
                58.00
             |           
            
                58.20
             |               
            
                57.10
             |                           
            
                58.00
             | 
            
                57.82
             |                     
            
                42.53
             |                                 
            
                189,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2017
             | 
            
                +1.30 / +2.28%
             |             
            
                56.90
             |           
            
                58.40
             |               
            
                56.40
             |                           
            
                58.20
             | 
            
                57.78
             |                     
            
                42.67
             |                                 
            
                441,480
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2017
             | 
            
                +0.90 / +1.61%
             |             
            
                55.90
             |           
            
                56.90
             |               
            
                55.90
             |                           
            
                56.90
             | 
            
                56.41
             |                     
            
                41.72
             |                                 
            
                239,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2017
             | 
            
                +1.20 / +2.19%
             |             
            
                53.60
             |           
            
                56.90
             |               
            
                53.60
             |                           
            
                56.00
             | 
            
                56.16
             |                     
            
                41.06
             |                                 
            
                417,220
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2017
             | 
            
                -2.40 / -4.20%
             |             
            
                57.10
             |           
            
                57.30
             |               
            
                53.50
             |                           
            
                54.80
             | 
            
                55.19
             |                     
            
                40.18
             |                                 
            
                590,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/3/2017
             | 
            
                +0.40 / +0.70%
             |             
            
                56.80
             |           
            
                58.00
             |               
            
                56.70
             |                           
            
                57.20
             | 
            
                57.19
             |                     
            
                41.94
             |                                 
            
                401,150
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2017
             | 
            
                -4.00 / -6.58%
             |             
            
                60.10
             |           
            
                60.80
             |               
            
                56.80
             |                           
            
                56.80
             | 
            
                58.27
             |                     
            
                41.65
             |                                 
            
                753,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2017
             | 
            
                -0.40 / -0.65%
             |             
            
                61.50
             |           
            
                61.50
             |               
            
                60.00
             |                           
            
                60.80
             | 
            
                60.83
             |                     
            
                44.58
             |                                 
            
                386,030
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2017
             | 
            
                -0.80 / -1.29%
             |             
            
                62.00
             |           
            
                62.00
             |               
            
                61.00
             |                           
            
                61.20
             | 
            
                61.25
             |                     
            
                44.87
             |                                 
            
                205,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2017
             | 
            
                -0.60 / -0.96%
             |             
            
                63.00
             |           
            
                63.20
             |               
            
                62.00
             |                           
            
                62.00
             | 
            
                62.75
             |                     
            
                45.46
             |                                 
            
                475,770
             |            
            
                 
             |                                       
         
    
        
            | 
                10/27/2017
             | 
            
                +0.60 / +0.97%
             |             
            
                62.00
             |           
            
                62.60
             |               
            
                61.70
             |                           
            
                62.60
             | 
            
                62.29
             |                     
            
                45.90
             |                                 
            
                265,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2017
             | 
            
                -0.20 / -0.32%
             |             
            
                62.30
             |           
            
                62.30
             |               
            
                60.80
             |                           
            
                62.00
             | 
            
                61.24
             |                     
            
                45.46
             |                                 
            
                150,610
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2017
             | 
            
                0.00 / 0.00%
             |             
            
                62.20
             |           
            
                62.30
             |               
            
                60.50
             |                           
            
                62.20
             | 
            
                62.02
             |                     
            
                45.61
             |                                 
            
                101,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2017
             | 
            
                -0.20 / -0.32%
             |             
            
                62.10
             |           
            
                62.90
             |               
            
                60.80
             |                           
            
                62.20
             | 
            
                61.59
             |                     
            
                45.61
             |                                 
            
                298,110
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2017
             | 
            
                -0.90 / -1.42%
             |             
            
                62.80
             |           
            
                63.00
             |               
            
                62.00
             |                           
            
                62.40
             | 
            
                62.45
             |                     
            
                45.75
             |                                 
            
                278,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/20/2017
             | 
            
                0.00 / 0.00%
             |             
            
                63.30
             |           
            
                64.00
             |               
            
                63.00
             |                           
            
                63.30
             | 
            
                63.57
             |                     
            
                46.41
             |                                 
            
                376,490
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2017
             | 
            
                +0.50 / +0.80%
             |             
            
                62.80
             |           
            
                63.50
             |               
            
                62.50
             |                           
            
                63.30
             | 
            
                63.17
             |                     
            
                46.41
             |                                 
            
                466,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2017
             | 
            
                +0.80 / +1.29%
             |             
            
                62.00
             |           
            
                63.30
             |               
            
                61.60
             |                           
            
                62.80
             | 
            
                62.60
             |                     
            
                46.05
             |                                 
            
                566,960
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2017
             | 
            
                +1.10 / +1.81%
             |             
            
                60.60
             |           
            
                62.00
             |               
            
                60.60
             |                           
            
                62.00
             | 
            
                61.67
             |                     
            
                45.46
             |                                 
            
                448,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2017
             | 
            
                0.00 / 0.00%
             |             
            
                60.60
             |           
            
                61.20
             |               
            
                60.30
             |                           
            
                60.90
             | 
            
                60.77
             |                     
            
                44.65
             |                                 
            
                308,220
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2017
             | 
            
                0.00 / 0.00%
             |             
            
                60.60
             |           
            
                60.90
             |               
            
                60.40
             |                           
            
                60.90
             | 
            
                60.70
             |                     
            
                44.65
             |                                 
            
                410,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2017
             | 
            
                -0.90 / -1.46%
             |             
            
                61.80
             |           
            
                61.80
             |               
            
                60.70
             |                           
            
                60.90
             | 
            
                61.01
             |                     
            
                44.65
             |                                 
            
                326,780
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2017
             | 
            
                0.00 / 0.00%
             |             
            
                62.00
             |           
            
                62.00
             |               
            
                61.70
             |                           
            
                61.80
             | 
            
                61.84
             |                     
            
                45.31
             |                                 
            
                276,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2017
             | 
            
                +0.60 / +0.98%
             |             
            
                61.00
             |           
            
                61.80
             |               
            
                60.60
             |                           
            
                61.80
             | 
            
                61.39
             |                     
            
                45.31
             |                                 
            
                263,840
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2017
             | 
            
                -0.50 / -0.81%
             |             
            
                61.50
             |           
            
                61.50
             |               
            
                60.50
             |                           
            
                61.20
             | 
            
                61.08
             |                     
            
                44.87
             |                                 
            
                224,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2017
             | 
            
                +0.30 / +0.49%
             |             
            
                61.40
             |           
            
                62.30
             |               
            
                61.30
             |                           
            
                61.70
             | 
            
                61.53
             |                     
            
                45.24
             |                                 
            
                179,560
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2017
             | 
            
                +1.00 / +1.66%
             |             
            
                60.40
             |           
            
                62.40
             |               
            
                60.40
             |                           
            
                61.40
             | 
            
                61.62
             |                     
            
                45.02
             |                                 
            
                304,450
             |  
            
                 
             |                                                              
             
    
         
    
    
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