| 
                 
                    Closing price on 5/29/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    42.50 | 
                 
                
                    | High | 
                    42.50 | 
                 
                
                    | Low | 
                    42.00 | 
                     
                
                    | Volume | 
                    3,560 | 
                                 
                
                    | Split-adjusted Price | 
                    40.09 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SCD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/29/2017
             | 
            
                +0.60 / +1.43%
             |             
            
                42.50
             |           
            
                42.50
             |               
            
                42.00
             |                           
            
                42.50
             | 
            
                42.13
             |                     
            
                40.09
             |                                 
            
                3,560
             |            
            
                 
             |                                       
         
    
        
            | 
                5/26/2017
             | 
            
                -1.10 / -2.56%
             |             
            
                42.70
             |           
            
                42.80
             |               
            
                41.80
             |                           
            
                41.90
             | 
            
                42.30
             |                     
            
                39.52
             |                                 
            
                4,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2017
             | 
            
                -1.00 / -2.27%
             |             
            
                43.00
             |           
            
                43.50
             |               
            
                43.00
             |                           
            
                43.00
             | 
            
                43.08
             |                     
            
                40.56
             |                                 
            
                2,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2017
             | 
            
                -1.00 / -2.22%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                43.00
             |                           
            
                44.00
             | 
            
                43.34
             |                     
            
                41.50
             |                                 
            
                4,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2017
             | 
            
                0.00 / 0.00%
             |             
            
                46.10
             |           
            
                46.10
             |               
            
                43.30
             |                           
            
                45.00
             | 
            
                44.65
             |                     
            
                42.45
             |                                 
            
                3,740
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2017
             | 
            
                +0.15 / +0.33%
             |             
            
                44.85
             |           
            
                45.00
             |               
            
                42.90
             |                           
            
                45.00
             | 
            
                44.60
             |                     
            
                42.45
             |                                 
            
                6,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/19/2017
             | 
            
                +0.65 / +1.47%
             |             
            
                43.00
             |           
            
                45.00
             |               
            
                42.80
             |                           
            
                44.85
             | 
            
                43.47
             |                     
            
                42.30
             |                                 
            
                3,980
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2017
             | 
            
                +0.25 / +0.57%
             |             
            
                43.95
             |           
            
                45.80
             |               
            
                42.80
             |                           
            
                44.20
             | 
            
                44.44
             |                     
            
                41.69
             |                                 
            
                4,590
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2017
             | 
            
                +2.15 / +5.14%
             |             
            
                41.80
             |           
            
                44.60
             |               
            
                41.80
             |                           
            
                43.95
             | 
            
                42.80
             |                     
            
                41.45
             |                                 
            
                15,980
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2017
             | 
            
                -1.20 / -2.79%
             |             
            
                41.95
             |           
            
                41.95
             |               
            
                41.60
             |                           
            
                41.80
             | 
            
                41.94
             |                     
            
                39.43
             |                                 
            
                1,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2017
             | 
            
                +1.20 / +2.87%
             |             
            
                41.20
             |           
            
                43.00
             |               
            
                41.20
             |                           
            
                43.00
             | 
            
                41.80
             |                     
            
                40.56
             |                                 
            
                590
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2017
             | 
            
                -0.10 / -0.24%
             |             
            
                41.50
             |           
            
                41.90
             |               
            
                41.50
             |                           
            
                41.80
             | 
            
                41.65
             |                     
            
                39.43
             |                                 
            
                980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2017
             | 
            
                +0.40 / +0.96%
             |             
            
                42.00
             |           
            
                42.00
             |               
            
                41.90
             |                           
            
                41.90
             | 
            
                41.94
             |                     
            
                39.52
             |                                 
            
                160
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2017
             | 
            
                0.00 / 0.00%
             |             
            
                41.50
             |           
            
                41.50
             |               
            
                41.40
             |                           
            
                41.50
             | 
            
                41.45
             |                     
            
                39.14
             |                                 
            
                650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2017
             | 
            
                0.00 / 0.00%
             |             
            
                41.70
             |           
            
                41.70
             |               
            
                41.50
             |                           
            
                41.50
             | 
            
                41.52
             |                     
            
                39.14
             |                                 
            
                1,070
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2017
             | 
            
                -0.20 / -0.48%
             |             
            
                41.70
             |           
            
                41.70
             |               
            
                41.45
             |                           
            
                41.50
             | 
            
                41.53
             |                     
            
                39.14
             |                                 
            
                3,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2017
             | 
            
                -0.30 / -0.71%
             |             
            
                42.75
             |           
            
                42.75
             |               
            
                41.60
             |                           
            
                41.70
             | 
            
                41.78
             |                     
            
                39.33
             |                                 
            
                510
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2017
             | 
            
                -0.70 / -1.64%
             |             
            
                42.95
             |           
            
                42.95
             |               
            
                41.15
             |                           
            
                42.00
             | 
            
                42.02
             |                     
            
                39.62
             |                                 
            
                540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2017
             | 
            
                +0.30 / +0.71%
             |             
            
                42.50
             |           
            
                43.70
             |               
            
                42.50
             |                           
            
                42.70
             | 
            
                42.70
             |                     
            
                40.28
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2017
             | 
            
                -0.10 / -0.24%
             |             
            
                42.50
             |           
            
                43.00
             |               
            
                41.70
             |                           
            
                42.40
             | 
            
                42.26
             |                     
            
                39.99
             |                                 
            
                14,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2017
             | 
            
                +1.00 / +2.41%
             |             
            
                41.60
             |           
            
                42.50
             |               
            
                41.00
             |                           
            
                42.50
             | 
            
                41.73
             |                     
            
                40.09
             |                                 
            
                9,680
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2017
             | 
            
                -0.50 / -1.19%
             |             
            
                42.00
             |           
            
                42.40
             |               
            
                41.50
             |                           
            
                41.50
             | 
            
                41.60
             |                     
            
                39.14
             |                                 
            
                3,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2017
             | 
            
                +0.40 / +0.96%
             |             
            
                41.50
             |           
            
                42.40
             |               
            
                41.50
             |                           
            
                42.00
             | 
            
                41.83
             |                     
            
                39.62
             |                                 
            
                1,140
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2017
             | 
            
                -0.80 / -1.89%
             |             
            
                41.80
             |           
            
                42.00
             |               
            
                41.50
             |                           
            
                41.60
             | 
            
                41.70
             |                     
            
                39.24
             |                                 
            
                5,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2017
             | 
            
                0.00 / 0.00%
             |             
            
                42.00
             |           
            
                42.40
             |               
            
                41.60
             |                           
            
                42.40
             | 
            
                42.22
             |                     
            
                39.99
             |                                 
            
                2,250
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2017
             | 
            
                -0.60 / -1.40%
             |             
            
                43.00
             |           
            
                43.00
             |               
            
                42.30
             |                           
            
                42.40
             | 
            
                42.59
             |                     
            
                39.99
             |                                 
            
                3,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2017
             | 
            
                0.00 / 0.00%
             |             
            
                42.10
             |           
            
                43.00
             |               
            
                42.10
             |                           
            
                43.00
             | 
            
                42.31
             |                     
            
                40.56
             |                                 
            
                1,040
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2017
             | 
            
                0.00 / 0.00%
             |             
            
                42.60
             |           
            
                43.40
             |               
            
                42.50
             |                           
            
                43.00
             | 
            
                42.76
             |                     
            
                40.56
             |                                 
            
                3,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2017
             | 
            
                0.00 / 0.00%
             |             
            
                43.80
             |           
            
                43.80
             |               
            
                43.00
             |                           
            
                43.00
             | 
            
                43.55
             |                     
            
                40.56
             |                                 
            
                1,860
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2017
             | 
            
                -0.20 / -0.46%
             |             
            
                42.50
             |           
            
                44.80
             |               
            
                42.50
             |                           
            
                43.00
             | 
            
                43.20
             |                     
            
                40.56
             |                                 
            
                1,460
             |  
            
                 
             |                                                              
             
    
         
    
    
 |