| 
                 
                    Closing price on 1/16/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    84.40 | 
                 
                
                    | High | 
                    87.00 | 
                 
                
                    | Low | 
                    84.40 | 
                     
                
                    | Volume | 
                    31,032 | 
                                 
                
                    | Split-adjusted Price | 
                    23.96 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
L14 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                1/16/2018
             | 
            
                +2.10 / +2.49%
             |             
            
                84.40
             |           
            
                87.00
             |               
            
                84.40
             |                           
            
                86.50
             | 
            
                85.52
             |                     
            
                23.96
             |                                 
            
                31,032
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2018
             | 
            
                +3.00 / +3.69%
             |             
            
                82.00
             |           
            
                84.50
             |               
            
                82.00
             |                           
            
                84.40
             | 
            
                83.82
             |                     
            
                23.38
             |                                 
            
                46,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2018
             | 
            
                +1.00 / +1.24%
             |             
            
                80.50
             |           
            
                82.00
             |               
            
                79.80
             |                           
            
                81.40
             | 
            
                80.60
             |                     
            
                22.55
             |                                 
            
                35,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2018
             | 
            
                +0.50 / +0.63%
             |             
            
                82.00
             |           
            
                82.00
             |               
            
                72.00
             |                           
            
                80.40
             | 
            
                80.10
             |                     
            
                22.27
             |                                 
            
                20,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/10/2018
             | 
            
                -0.60 / -0.75%
             |             
            
                81.50
             |           
            
                81.50
             |               
            
                78.00
             |                           
            
                79.90
             | 
            
                79.42
             |                     
            
                22.13
             |                                 
            
                14,690
             |            
            
                 
             |                                       
         
    
        
            | 
                1/9/2018
             | 
            
                +2.50 / +3.21%
             |             
            
                79.00
             |           
            
                81.90
             |               
            
                77.00
             |                           
            
                80.50
             | 
            
                78.97
             |                     
            
                22.30
             |                                 
            
                30,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/8/2018
             | 
            
                0.00 / 0.00%
             |             
            
                79.40
             |           
            
                79.40
             |               
            
                77.00
             |                           
            
                78.00
             | 
            
                77.84
             |                     
            
                21.61
             |                                 
            
                10,140
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2018
             | 
            
                +0.80 / +1.04%
             |             
            
                77.50
             |           
            
                79.00
             |               
            
                76.10
             |                           
            
                78.00
             | 
            
                77.20
             |                     
            
                21.61
             |                                 
            
                5,112
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2018
             | 
            
                -2.60 / -3.26%
             |             
            
                78.50
             |           
            
                79.50
             |               
            
                77.20
             |                           
            
                77.20
             | 
            
                78.01
             |                     
            
                21.38
             |                                 
            
                28,830
             |            
            
                 
             |                                       
         
    
        
            | 
                1/3/2018
             | 
            
                -0.20 / -0.25%
             |             
            
                79.80
             |           
            
                79.90
             |               
            
                78.00
             |                           
            
                79.80
             | 
            
                78.61
             |                     
            
                22.10
             |                                 
            
                9,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/2/2018
             | 
            
                +1.80 / +2.30%
             |             
            
                79.00
             |           
            
                81.80
             |               
            
                79.00
             |                           
            
                80.00
             | 
            
                79.79
             |                     
            
                22.16
             |                                 
            
                2,030
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2017
             | 
            
                -1.80 / -2.25%
             |             
            
                78.70
             |           
            
                79.80
             |               
            
                78.20
             |                           
            
                78.20
             | 
            
                78.77
             |                     
            
                21.66
             |                                 
            
                6,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |