| 
                 
                    Closing price on 12/28/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    78.50 | 
                 
                
                    | High | 
                    81.30 | 
                 
                
                    | Low | 
                    78.00 | 
                     
                
                    | Volume | 
                    24,920 | 
                                 
                
                    | Split-adjusted Price | 
                    22.16 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
L14 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/28/2017
             | 
            
                -1.00 / -1.23%
             |             
            
                78.50
             |           
            
                81.30
             |               
            
                78.00
             |                           
            
                80.00
             | 
            
                79.13
             |                     
            
                22.16
             |                                 
            
                24,920
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2017
             | 
            
                -0.20 / -0.25%
             |             
            
                80.90
             |           
            
                81.50
             |               
            
                78.00
             |                           
            
                81.00
             | 
            
                79.34
             |                     
            
                22.44
             |                                 
            
                27,905
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2017
             | 
            
                -2.00 / -2.40%
             |             
            
                81.10
             |           
            
                82.90
             |               
            
                80.50
             |                           
            
                81.20
             | 
            
                81.42
             |                     
            
                22.49
             |                                 
            
                15,773
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2017
             | 
            
                +0.20 / +0.24%
             |             
            
                81.10
             |           
            
                83.50
             |               
            
                81.10
             |                           
            
                83.20
             | 
            
                82.33
             |                     
            
                23.05
             |                                 
            
                14,612
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/22/2017
             | 
            
                +0.20 / +0.24%
             |             
            
                82.10
             |           
            
                84.00
             |               
            
                81.00
             |                           
            
                83.00
             | 
            
                82.56
             |                     
            
                22.99
             |                                 
            
                30,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2017
             | 
            
                +2.80 / +3.50%
             |             
            
                80.00
             |           
            
                82.80
             |               
            
                78.00
             |                           
            
                82.80
             | 
            
                79.85
             |                     
            
                22.94
             |                                 
            
                45,373
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2017
             | 
            
                -0.20 / -0.25%
             |             
            
                79.80
             |           
            
                80.50
             |               
            
                78.50
             |                           
            
                80.00
             | 
            
                79.62
             |                     
            
                22.16
             |                                 
            
                19,031
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2017
             | 
            
                +0.20 / +0.25%
             |             
            
                80.00
             |           
            
                80.20
             |               
            
                78.00
             |                           
            
                80.20
             | 
            
                79.38
             |                     
            
                22.22
             |                                 
            
                14,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/18/2017
             | 
            
                +1.00 / +1.27%
             |             
            
                78.00
             |           
            
                80.00
             |               
            
                76.00
             |                           
            
                80.00
             | 
            
                77.87
             |                     
            
                22.16
             |                                 
            
                23,432
             |            
            
                 
             |                                       
         
    
        
            | 
                12/15/2017
             | 
            
                +0.20 / +0.25%
             |             
            
                78.50
             |           
            
                79.40
             |               
            
                77.00
             |                           
            
                79.00
             | 
            
                78.18
             |                     
            
                21.88
             |                                 
            
                20,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2017
             | 
            
                +0.30 / +0.38%
             |             
            
                78.10
             |           
            
                79.00
             |               
            
                78.00
             |                           
            
                78.80
             | 
            
                78.46
             |                     
            
                21.83
             |                                 
            
                4,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2017
             | 
            
                -0.80 / -1.01%
             |             
            
                78.10
             |           
            
                80.50
             |               
            
                77.50
             |                           
            
                78.50
             | 
            
                77.99
             |                     
            
                21.74
             |                                 
            
                10,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2017
             | 
            
                +0.30 / +0.38%
             |             
            
                78.10
             |           
            
                79.50
             |               
            
                77.50
             |                           
            
                79.30
             | 
            
                78.46
             |                     
            
                21.97
             |                                 
            
                18,041
             |            
            
                 
             |                                       
         
    
        
            | 
                12/11/2017
             | 
            
                +0.50 / +0.64%
             |             
            
                78.50
             |           
            
                79.00
             |               
            
                77.50
             |                           
            
                79.00
             | 
            
                78.33
             |                     
            
                21.88
             |                                 
            
                19,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2017
             | 
            
                -1.00 / -1.26%
             |             
            
                78.50
             |           
            
                80.80
             |               
            
                78.50
             |                           
            
                78.50
             | 
            
                79.04
             |                     
            
                21.74
             |                                 
            
                10,940
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2017
             | 
            
                -3.30 / -3.99%
             |             
            
                83.50
             |           
            
                83.50
             |               
            
                79.50
             |                           
            
                79.50
             | 
            
                81.42
             |                     
            
                22.02
             |                                 
            
                18,809
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2017
             | 
            
                -1.10 / -1.31%
             |             
            
                83.90
             |           
            
                84.80
             |               
            
                80.00
             |                           
            
                82.80
             | 
            
                82.52
             |                     
            
                22.94
             |                                 
            
                51,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2017
             | 
            
                +0.60 / +0.72%
             |             
            
                82.60
             |           
            
                84.50
             |               
            
                82.00
             |                           
            
                83.90
             | 
            
                83.50
             |                     
            
                23.24
             |                                 
            
                38,744
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2017
             | 
            
                +0.40 / +0.48%
             |             
            
                81.10
             |           
            
                84.50
             |               
            
                81.10
             |                           
            
                83.30
             | 
            
                83.02
             |                     
            
                23.07
             |                                 
            
                25,128
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2017
             | 
            
                -0.10 / -0.12%
             |             
            
                82.10
             |           
            
                84.50
             |               
            
                78.00
             |                           
            
                82.90
             | 
            
                81.96
             |                     
            
                22.96
             |                                 
            
                45,173
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2017
             | 
            
                +1.60 / +1.97%
             |             
            
                84.00
             |           
            
                84.50
             |               
            
                81.50
             |                           
            
                83.00
             | 
            
                83.30
             |                     
            
                22.99
             |                                 
            
                29,316
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2017
             | 
            
                +2.40 / +3.04%
             |             
            
                78.10
             |           
            
                81.50
             |               
            
                78.00
             |                           
            
                81.40
             | 
            
                80.51
             |                     
            
                22.55
             |                                 
            
                28,889
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2017
             | 
            
                +3.10 / +4.08%
             |             
            
                75.90
             |           
            
                81.00
             |               
            
                75.90
             |                           
            
                79.00
             | 
            
                78.41
             |                     
            
                21.88
             |                                 
            
                35,789
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2017
             | 
            
                +0.10 / +0.13%
             |             
            
                75.20
             |           
            
                76.00
             |               
            
                73.00
             |                           
            
                75.90
             | 
            
                74.74
             |                     
            
                21.02
             |                                 
            
                41,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2017
             | 
            
                +1.50 / +2.02%
             |             
            
                73.10
             |           
            
                76.00
             |               
            
                73.10
             |                           
            
                75.80
             | 
            
                74.97
             |                     
            
                21.00
             |                                 
            
                20,996
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2017
             | 
            
                +0.60 / +0.81%
             |             
            
                72.60
             |           
            
                76.00
             |               
            
                72.60
             |                           
            
                74.30
             | 
            
                73.71
             |                     
            
                20.58
             |                                 
            
                43,648
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2017
             | 
            
                0.00 / 0.00%
             |             
            
                73.10
             |           
            
                73.80
             |               
            
                72.00
             |                           
            
                73.70
             | 
            
                73.03
             |                     
            
                20.41
             |                                 
            
                31,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2017
             | 
            
                +1.70 / +2.36%
             |             
            
                72.00
             |           
            
                74.00
             |               
            
                72.00
             |                           
            
                73.70
             | 
            
                72.85
             |                     
            
                20.41
             |                                 
            
                16,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2017
             | 
            
                +0.80 / +1.12%
             |             
            
                70.80
             |           
            
                73.00
             |               
            
                70.80
             |                           
            
                72.00
             | 
            
                71.61
             |                     
            
                19.94
             |                                 
            
                18,091
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2017
             | 
            
                +0.70 / +0.99%
             |             
            
                70.50
             |           
            
                72.50
             |               
            
                70.50
             |                           
            
                71.20
             | 
            
                71.33
             |                     
            
                19.72
             |                                 
            
                12,514
             |  
            
                 
             |                                                              
             
    
         
    
    
 |