| 
                 
                    Closing price on 12/4/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    42.90 | 
                 
                
                    | High | 
                    42.90 | 
                 
                
                    | Low | 
                    42.50 | 
                     
                
                    | Volume | 
                    8,140 | 
                                 
                
                    | Split-adjusted Price | 
                    41.05 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SCD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/4/2017
             | 
            
                0.00 / 0.00%
             |             
            
                42.90
             |           
            
                42.90
             |               
            
                42.50
             |                           
            
                42.50
             | 
            
                42.51
             |                     
            
                41.05
             |                                 
            
                8,140
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2017
             | 
            
                -0.50 / -1.16%
             |             
            
                42.00
             |           
            
                43.40
             |               
            
                41.65
             |                           
            
                42.50
             | 
            
                42.01
             |                     
            
                41.05
             |                                 
            
                3,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2017
             | 
            
                0.00 / 0.00%
             |             
            
                43.90
             |           
            
                43.90
             |               
            
                41.30
             |                           
            
                43.00
             | 
            
                41.88
             |                     
            
                41.54
             |                                 
            
                4,490
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2017
             | 
            
                +1.00 / +2.38%
             |             
            
                42.00
             |           
            
                43.00
             |               
            
                42.00
             |                           
            
                43.00
             | 
            
                42.61
             |                     
            
                41.54
             |                                 
            
                3,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2017
             | 
            
                0.00 / 0.00%
             |             
            
                41.90
             |           
            
                42.00
             |               
            
                41.90
             |                           
            
                42.00
             | 
            
                42.00
             |                     
            
                40.57
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2017
             | 
            
                -0.80 / -1.87%
             |             
            
                42.00
             |           
            
                42.00
             |               
            
                40.00
             |                           
            
                42.00
             | 
            
                41.14
             |                     
            
                40.57
             |                                 
            
                3,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2017
             | 
            
                -0.20 / -0.47%
             |             
            
                42.80
             |           
            
                43.00
             |               
            
                42.50
             |                           
            
                42.80
             | 
            
                42.86
             |                     
            
                41.34
             |                                 
            
                21,620
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2017
             | 
            
                0.00 / 0.00%
             |             
            
                42.20
             |           
            
                45.00
             |               
            
                42.00
             |                           
            
                43.00
             | 
            
                42.92
             |                     
            
                41.54
             |                                 
            
                9,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2017
             | 
            
                -1.70 / -3.80%
             |             
            
                42.20
             |           
            
                44.70
             |               
            
                42.00
             |                           
            
                43.00
             | 
            
                42.98
             |                     
            
                41.54
             |                                 
            
                15,690
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2017
             | 
            
                +0.30 / +0.68%
             |             
            
                44.30
             |           
            
                44.70
             |               
            
                42.50
             |                           
            
                44.70
             | 
            
                42.86
             |                     
            
                43.18
             |                                 
            
                4,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2017
             | 
            
                -0.10 / -0.22%
             |             
            
                44.50
             |           
            
                44.50
             |               
            
                42.50
             |                           
            
                44.40
             | 
            
                43.79
             |                     
            
                42.89
             |                                 
            
                3,380
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2017
             | 
            
                +0.60 / +1.37%
             |             
            
                44.40
             |           
            
                45.00
             |               
            
                43.50
             |                           
            
                44.50
             | 
            
                44.42
             |                     
            
                42.99
             |                                 
            
                5,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2017
             | 
            
                +1.10 / +2.57%
             |             
            
                42.90
             |           
            
                45.00
             |               
            
                42.80
             |                           
            
                43.90
             | 
            
                43.40
             |                     
            
                42.41
             |                                 
            
                9,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2017
             | 
            
                +0.40 / +0.94%
             |             
            
                42.90
             |           
            
                42.90
             |               
            
                41.30
             |                           
            
                42.80
             | 
            
                42.61
             |                     
            
                41.34
             |                                 
            
                1,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2017
             | 
            
                -0.40 / -0.93%
             |             
            
                41.20
             |           
            
                42.40
             |               
            
                41.20
             |                           
            
                42.40
             | 
            
                41.80
             |                     
            
                40.96
             |                                 
            
                1,880
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2017
             | 
            
                +0.80 / +1.90%
             |             
            
                42.00
             |           
            
                42.80
             |               
            
                42.00
             |                           
            
                42.80
             | 
            
                42.38
             |                     
            
                41.34
             |                                 
            
                2,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2017
             | 
            
                0.00 / 0.00%
             |             
            
                42.90
             |           
            
                42.90
             |               
            
                40.80
             |                           
            
                42.00
             | 
            
                40.87
             |                     
            
                40.57
             |                                 
            
                3,890
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2017
             | 
            
                +0.50 / +1.20%
             |             
            
                41.95
             |           
            
                42.50
             |               
            
                40.20
             |                           
            
                42.00
             | 
            
                42.04
             |                     
            
                40.57
             |                                 
            
                5,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/8/2017
             | 
            
                +1.20 / +2.98%
             |             
            
                40.30
             |           
            
                42.40
             |               
            
                40.10
             |                           
            
                41.50
             | 
            
                40.60
             |                     
            
                40.09
             |                                 
            
                3,670
             |            
            
                 
             |                                       
         
    
        
            | 
                11/7/2017
             | 
            
                -2.30 / -5.40%
             |             
            
                40.80
             |           
            
                42.60
             |               
            
                40.10
             |                           
            
                40.30
             | 
            
                40.35
             |                     
            
                38.93
             |                                 
            
                570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2017
             | 
            
                +0.40 / +0.95%
             |             
            
                40.60
             |           
            
                43.90
             |               
            
                40.20
             |                           
            
                42.60
             | 
            
                40.34
             |                     
            
                41.15
             |                                 
            
                1,190
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2017
             | 
            
                0.00 / 0.00%
             |             
            
                40.00
             |           
            
                42.20
             |               
            
                40.00
             |                           
            
                42.20
             | 
            
                41.18
             |                     
            
                40.76
             |                                 
            
                1,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2017
             | 
            
                +0.20 / +0.48%
             |             
            
                41.20
             |           
            
                42.20
             |               
            
                41.10
             |                           
            
                42.20
             | 
            
                41.22
             |                     
            
                40.76
             |                                 
            
                4,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/1/2017
             | 
            
                +1.00 / +2.44%
             |             
            
                41.90
             |           
            
                43.80
             |               
            
                40.00
             |                           
            
                42.00
             | 
            
                42.22
             |                     
            
                40.57
             |                                 
            
                8,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/31/2017
             | 
            
                -1.60 / -3.76%
             |             
            
                42.50
             |           
            
                42.50
             |               
            
                41.00
             |                           
            
                41.00
             | 
            
                41.04
             |                     
            
                39.60
             |                                 
            
                9,650
             |            
            
                 
             |                                       
         
    
        
            | 
                10/30/2017
             | 
            
                -0.20 / -0.47%
             |             
            
                41.00
             |           
            
                42.90
             |               
            
                41.00
             |                           
            
                42.60
             | 
            
                41.18
             |                     
            
                41.15
             |                                 
            
                2,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/27/2017
             | 
            
                +0.80 / +1.90%
             |             
            
                42.70
             |           
            
                43.00
             |               
            
                41.10
             |                           
            
                42.80
             | 
            
                42.49
             |                     
            
                41.34
             |                                 
            
                13,650
             |            
            
                 
             |                                       
         
    
        
            | 
                10/26/2017
             | 
            
                -0.50 / -1.18%
             |             
            
                42.00
             |           
            
                42.50
             |               
            
                42.00
             |                           
            
                42.00
             | 
            
                42.04
             |                     
            
                40.57
             |                                 
            
                10,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/25/2017
             | 
            
                0.00 / 0.00%
             |             
            
                41.20
             |           
            
                42.60
             |               
            
                41.20
             |                           
            
                42.50
             | 
            
                42.11
             |                     
            
                41.05
             |                                 
            
                5,770
             |            
            
                 
             |                                       
         
    
        
            | 
                10/24/2017
             | 
            
                +0.10 / +0.24%
             |             
            
                41.10
             |           
            
                43.00
             |               
            
                41.10
             |                           
            
                42.50
             | 
            
                42.39
             |                     
            
                41.05
             |                                 
            
                2,760
             |  
            
                 
             |                                                              
             
    
         
    
    
 |