| 
                 
                    Closing price on 4/5/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    43.30 | 
                 
                
                    | High | 
                    43.50 | 
                 
                
                    | Low | 
                    42.00 | 
                     
                
                    | Volume | 
                    4,030 | 
                                 
                
                    | Split-adjusted Price | 
                    40.94 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SCD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/5/2017
             | 
            
                +0.10 / +0.23%
             |             
            
                43.30
             |           
            
                43.50
             |               
            
                42.00
             |                           
            
                43.40
             | 
            
                42.68
             |                     
            
                40.94
             |                                 
            
                4,030
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2017
             | 
            
                -0.10 / -0.23%
             |             
            
                40.85
             |           
            
                43.30
             |               
            
                40.85
             |                           
            
                43.30
             | 
            
                42.08
             |                     
            
                40.84
             |                                 
            
                1,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2017
             | 
            
                +0.40 / +0.93%
             |             
            
                43.30
             |           
            
                43.60
             |               
            
                42.70
             |                           
            
                43.40
             | 
            
                43.11
             |                     
            
                40.94
             |                                 
            
                3,410
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2017
             | 
            
                +0.50 / +1.18%
             |             
            
                40.70
             |           
            
                43.00
             |               
            
                39.70
             |                           
            
                43.00
             | 
            
                41.44
             |                     
            
                40.56
             |                                 
            
                12,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2017
             | 
            
                +1.30 / +3.16%
             |             
            
                42.00
             |           
            
                42.50
             |               
            
                42.00
             |                           
            
                42.50
             | 
            
                42.25
             |                     
            
                40.09
             |                                 
            
                1,030
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2017
             | 
            
                -0.80 / -1.90%
             |             
            
                42.00
             |           
            
                42.00
             |               
            
                41.20
             |                           
            
                41.20
             | 
            
                41.88
             |                     
            
                38.86
             |                                 
            
                4,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2017
             | 
            
                -0.25 / -0.59%
             |             
            
                42.00
             |           
            
                43.70
             |               
            
                41.00
             |                           
            
                42.00
             | 
            
                41.87
             |                     
            
                39.62
             |                                 
            
                10,270
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2017
             | 
            
                -2.45 / -5.48%
             |             
            
                44.40
             |           
            
                44.40
             |               
            
                42.25
             |                           
            
                42.25
             | 
            
                42.88
             |                     
            
                39.85
             |                                 
            
                5,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2017
             | 
            
                +0.70 / +1.59%
             |             
            
                43.00
             |           
            
                45.00
             |               
            
                41.60
             |                           
            
                44.70
             | 
            
                44.16
             |                     
            
                42.16
             |                                 
            
                7,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2017
             | 
            
                -1.50 / -3.30%
             |             
            
                44.00
             |           
            
                44.00
             |               
            
                44.00
             |                           
            
                44.00
             | 
            
                44.00
             |                     
            
                41.50
             |                                 
            
                20
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2017
             | 
            
                -0.50 / -1.09%
             |             
            
                45.00
             |           
            
                45.60
             |               
            
                43.70
             |                           
            
                45.50
             | 
            
                44.20
             |                     
            
                41.50
             |                                 
            
                15,090
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2017
             | 
            
                0.00 / 0.00%
             |             
            
                46.00
             |           
            
                47.00
             |               
            
                46.00
             |                           
            
                46.00
             | 
            
                46.30
             |                     
            
                41.96
             |                                 
            
                9,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2017
             | 
            
                +0.60 / +1.32%
             |             
            
                45.30
             |           
            
                46.10
             |               
            
                45.30
             |                           
            
                46.00
             | 
            
                45.70
             |                     
            
                41.96
             |                                 
            
                2,910
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2017
             | 
            
                +1.40 / +3.18%
             |             
            
                44.00
             |           
            
                46.50
             |               
            
                43.40
             |                           
            
                45.40
             | 
            
                44.79
             |                     
            
                41.41
             |                                 
            
                12,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2017
             | 
            
                +0.70 / +1.62%
             |             
            
                43.30
             |           
            
                44.00
             |               
            
                43.00
             |                           
            
                44.00
             | 
            
                43.44
             |                     
            
                40.13
             |                                 
            
                21,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2017
             | 
            
                +0.70 / +1.64%
             |             
            
                43.20
             |           
            
                43.30
             |               
            
                42.50
             |                           
            
                43.30
             | 
            
                42.62
             |                     
            
                39.50
             |                                 
            
                4,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2017
             | 
            
                -0.70 / -1.62%
             |             
            
                42.60
             |           
            
                43.30
             |               
            
                42.60
             |                           
            
                42.60
             | 
            
                43.17
             |                     
            
                38.86
             |                                 
            
                4,170
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2017
             | 
            
                +0.30 / +0.70%
             |             
            
                44.00
             |           
            
                44.00
             |               
            
                42.20
             |                           
            
                43.30
             | 
            
                42.49
             |                     
            
                39.50
             |                                 
            
                4,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/10/2017
             | 
            
                -1.00 / -2.27%
             |             
            
                44.00
             |           
            
                44.00
             |               
            
                42.10
             |                           
            
                43.00
             | 
            
                42.99
             |                     
            
                39.22
             |                                 
            
                9,490
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2017
             | 
            
                -0.80 / -1.79%
             |             
            
                44.65
             |           
            
                44.65
             |               
            
                43.00
             |                           
            
                44.00
             | 
            
                44.02
             |                     
            
                40.13
             |                                 
            
                3,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2017
             | 
            
                +1.00 / +2.28%
             |             
            
                42.60
             |           
            
                44.80
             |               
            
                42.40
             |                           
            
                44.80
             | 
            
                43.12
             |                     
            
                40.86
             |                                 
            
                13,380
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2017
             | 
            
                0.00 / 0.00%
             |             
            
                42.70
             |           
            
                43.80
             |               
            
                42.70
             |                           
            
                43.80
             | 
            
                43.25
             |                     
            
                39.95
             |                                 
            
                110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2017
             | 
            
                +0.10 / +0.23%
             |             
            
                43.70
             |           
            
                44.50
             |               
            
                43.70
             |                           
            
                43.80
             | 
            
                43.76
             |                     
            
                39.95
             |                                 
            
                5,530
             |            
            
                 
             |                                       
         
    
        
            | 
                3/3/2017
             | 
            
                +0.30 / +0.69%
             |             
            
                43.00
             |           
            
                44.35
             |               
            
                41.10
             |                           
            
                43.70
             | 
            
                42.42
             |                     
            
                39.86
             |                                 
            
                4,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2017
             | 
            
                +0.40 / +0.93%
             |             
            
                42.70
             |           
            
                44.00
             |               
            
                42.50
             |                           
            
                43.40
             | 
            
                42.54
             |                     
            
                39.59
             |                                 
            
                3,620
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2017
             | 
            
                -1.00 / -2.27%
             |             
            
                44.95
             |           
            
                46.00
             |               
            
                43.00
             |                           
            
                43.00
             | 
            
                43.23
             |                     
            
                39.22
             |                                 
            
                2,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2017
             | 
            
                0.00 / 0.00%
             |             
            
                44.00
             |           
            
                44.80
             |               
            
                43.10
             |                           
            
                44.00
             | 
            
                43.21
             |                     
            
                40.13
             |                                 
            
                2,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2017
             | 
            
                +0.90 / +2.09%
             |             
            
                43.10
             |           
            
                44.00
             |               
            
                43.10
             |                           
            
                44.00
             | 
            
                43.19
             |                     
            
                40.13
             |                                 
            
                5,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2017
             | 
            
                -1.90 / -4.22%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                43.00
             |                           
            
                43.10
             | 
            
                43.76
             |                     
            
                39.31
             |                                 
            
                9,690
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2017
             | 
            
                -0.80 / -1.75%
             |             
            
                45.90
             |           
            
                45.90
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                45.07
             |                     
            
                41.05
             |                                 
            
                8,830
             |  
            
                 
             |                                                              
             
    
         
    
    
 |