| 
                 
                    Closing price on 8/17/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    41.60 | 
                 
                
                    | High | 
                    42.00 | 
                 
                
                    | Low | 
                    41.50 | 
                     
                
                    | Volume | 
                    4,010 | 
                                 
                
                    | Split-adjusted Price | 
                    40.09 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SCD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/17/2017
             | 
            
                -0.65 / -1.54%
             |             
            
                41.60
             |           
            
                42.00
             |               
            
                41.50
             |                           
            
                41.50
             | 
            
                41.65
             |                     
            
                40.09
             |                                 
            
                4,010
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2017
             | 
            
                +0.55 / +1.32%
             |             
            
                41.50
             |           
            
                42.15
             |               
            
                41.50
             |                           
            
                42.15
             | 
            
                41.83
             |                     
            
                40.72
             |                                 
            
                230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2017
             | 
            
                0.00 / 0.00%
             |             
            
                41.60
             |           
            
                41.60
             |               
            
                41.60
             |                           
            
                41.60
             | 
            
                41.60
             |                     
            
                40.18
             |                                 
            
                1,460
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2017
             | 
            
                -0.40 / -0.95%
             |             
            
                42.00
             |           
            
                42.35
             |               
            
                41.60
             |                           
            
                41.60
             | 
            
                41.89
             |                     
            
                40.18
             |                                 
            
                7,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2017
             | 
            
                +0.10 / +0.24%
             |             
            
                41.90
             |           
            
                42.50
             |               
            
                41.90
             |                           
            
                42.00
             | 
            
                41.98
             |                     
            
                40.57
             |                                 
            
                2,120
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2017
             | 
            
                +0.80 / +1.95%
             |             
            
                42.55
             |           
            
                42.75
             |               
            
                41.70
             |                           
            
                41.90
             | 
            
                42.30
             |                     
            
                40.47
             |                                 
            
                6,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2017
             | 
            
                -0.90 / -2.14%
             |             
            
                41.50
             |           
            
                42.40
             |               
            
                41.10
             |                           
            
                41.10
             | 
            
                41.86
             |                     
            
                39.70
             |                                 
            
                2,150
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2017
             | 
            
                0.00 / 0.00%
             |             
            
                42.00
             |           
            
                42.00
             |               
            
                41.00
             |                           
            
                42.00
             | 
            
                41.30
             |                     
            
                40.57
             |                                 
            
                5,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/7/2017
             | 
            
                +0.50 / +1.20%
             |             
            
                42.80
             |           
            
                42.80
             |               
            
                41.55
             |                           
            
                42.00
             | 
            
                41.90
             |                     
            
                40.57
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2017
             | 
            
                -1.45 / -3.38%
             |             
            
                42.80
             |           
            
                42.80
             |               
            
                41.25
             |                           
            
                41.50
             | 
            
                42.09
             |                     
            
                40.09
             |                                 
            
                2,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2017
             | 
            
                +1.80 / +4.37%
             |             
            
                41.15
             |           
            
                42.95
             |               
            
                41.15
             |                           
            
                42.95
             | 
            
                41.18
             |                     
            
                41.49
             |                                 
            
                2,380
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2017
             | 
            
                -1.30 / -3.06%
             |             
            
                42.40
             |           
            
                42.40
             |               
            
                41.05
             |                           
            
                41.15
             | 
            
                41.75
             |                     
            
                39.75
             |                                 
            
                660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/1/2017
             | 
            
                +0.75 / +1.80%
             |             
            
                41.70
             |           
            
                42.45
             |               
            
                41.65
             |                           
            
                42.45
             | 
            
                42.11
             |                     
            
                41.00
             |                                 
            
                2,090
             |            
            
                 
             |                                       
         
    
        
            | 
                7/31/2017
             | 
            
                -1.00 / -2.34%
             |             
            
                41.70
             |           
            
                42.35
             |               
            
                40.70
             |                           
            
                41.70
             | 
            
                41.18
             |                     
            
                40.28
             |                                 
            
                660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/28/2017
             | 
            
                +0.70 / +1.67%
             |             
            
                40.50
             |           
            
                42.70
             |               
            
                40.50
             |                           
            
                42.70
             | 
            
                41.57
             |                     
            
                41.25
             |                                 
            
                890
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2017
             | 
            
                0.00 / 0.00%
             |             
            
                41.50
             |           
            
                42.00
             |               
            
                40.10
             |                           
            
                42.00
             | 
            
                41.10
             |                     
            
                40.57
             |                                 
            
                2,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2017
             | 
            
                +0.50 / +1.20%
             |             
            
                41.20
             |           
            
                42.15
             |               
            
                41.00
             |                           
            
                42.00
             | 
            
                41.16
             |                     
            
                40.57
             |                                 
            
                2,940
             |            
            
                 
             |                                       
         
    
        
            | 
                7/25/2017
             | 
            
                -0.50 / -1.19%
             |             
            
                42.00
             |           
            
                42.00
             |               
            
                41.50
             |                           
            
                41.50
             | 
            
                41.67
             |                     
            
                40.09
             |                                 
            
                480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/24/2017
             | 
            
                -1.00 / -2.33%
             |             
            
                41.20
             |           
            
                42.50
             |               
            
                41.20
             |                           
            
                42.00
             | 
            
                41.46
             |                     
            
                40.57
             |                                 
            
                2,050
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2017
             | 
            
                -0.80 / -1.83%
             |             
            
                43.00
             |           
            
                43.30
             |               
            
                40.75
             |                           
            
                43.00
             | 
            
                40.81
             |                     
            
                41.54
             |                                 
            
                2,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/20/2017
             | 
            
                -0.20 / -0.45%
             |             
            
                41.15
             |           
            
                43.80
             |               
            
                41.00
             |                           
            
                43.80
             | 
            
                41.13
             |                     
            
                42.31
             |                                 
            
                1,410
             |            
            
                 
             |                                       
         
    
        
            | 
                7/19/2017
             | 
            
                -0.15 / -0.34%
             |             
            
                44.00
             |           
            
                44.15
             |               
            
                42.60
             |                           
            
                44.00
             | 
            
                43.33
             |                     
            
                42.50
             |                                 
            
                7,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/18/2017
             | 
            
                -0.40 / -0.90%
             |             
            
                44.50
             |           
            
                44.50
             |               
            
                43.00
             |                           
            
                44.15
             | 
            
                44.07
             |                     
            
                42.65
             |                                 
            
                7,080
             |            
            
                 
             |                                       
         
    
        
            | 
                7/17/2017
             | 
            
                +1.70 / +3.97%
             |             
            
                42.50
             |           
            
                44.75
             |               
            
                42.30
             |                           
            
                44.55
             | 
            
                43.29
             |                     
            
                43.03
             |                                 
            
                7,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/14/2017
             | 
            
                0.00 / 0.00%
             |             
            
                42.85
             |           
            
                42.85
             |               
            
                42.85
             |                           
            
                42.85
             | 
            
                42.85
             |                     
            
                41.39
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2017
             | 
            
                +0.85 / +2.02%
             |             
            
                42.90
             |           
            
                42.90
             |               
            
                42.20
             |                           
            
                42.85
             | 
            
                42.71
             |                     
            
                41.39
             |                                 
            
                30
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/12/2017
             | 
            
                +0.20 / +0.48%
             |             
            
                41.70
             |           
            
                42.00
             |               
            
                41.70
             |                           
            
                42.00
             | 
            
                41.85
             |                     
            
                40.57
             |                                 
            
                530
             |            
            
                 
             |                                       
         
    
        
            | 
                7/11/2017
             | 
            
                0.00 / 0.00%
             |             
            
                41.80
             |           
            
                42.00
             |               
            
                41.60
             |                           
            
                41.80
             | 
            
                41.78
             |                     
            
                40.38
             |                                 
            
                4,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/10/2017
             | 
            
                -0.60 / -1.42%
             |             
            
                42.40
             |           
            
                42.40
             |               
            
                41.80
             |                           
            
                41.80
             | 
            
                42.31
             |                     
            
                40.38
             |                                 
            
                3,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/7/2017
             | 
            
                +0.20 / +0.47%
             |             
            
                42.75
             |           
            
                42.75
             |               
            
                42.20
             |                           
            
                42.40
             | 
            
                42.59
             |                     
            
                40.96
             |                                 
            
                1,080
             |  
            
                 
             |                                                              
             
    
         
    
    
 |