| 
                 
                    Closing price on 5/20/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    44.20 | 
                 
                
                    | High | 
                    46.00 | 
                 
                
                    | Low | 
                    42.70 | 
                     
                
                    | Volume | 
                    5,590 | 
                                 
                
                    | Split-adjusted Price | 
                    41.41 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SCD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/20/2016
             | 
            
                +0.20 / +0.44%
             |             
            
                44.20
             |           
            
                46.00
             |               
            
                42.70
             |                           
            
                46.00
             | 
            
                42.93
             |                     
            
                41.41
             |                                 
            
                5,590
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2016
             | 
            
                +1.30 / +2.92%
             |             
            
                44.50
             |           
            
                45.80
             |               
            
                44.50
             |                           
            
                45.80
             | 
            
                45.15
             |                     
            
                41.23
             |                                 
            
                1,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2016
             | 
            
                0.00 / 0.00%
             |             
            
                44.50
             |           
            
                45.70
             |               
            
                44.50
             |                           
            
                44.50
             | 
            
                44.87
             |                     
            
                40.06
             |                                 
            
                780
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2016
             | 
            
                -2.00 / -4.30%
             |             
            
                45.00
             |           
            
                46.50
             |               
            
                44.50
             |                           
            
                44.50
             | 
            
                45.13
             |                     
            
                40.06
             |                                 
            
                1,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2016
             | 
            
                0.00 / 0.00%
             |             
            
                46.60
             |           
            
                46.60
             |               
            
                46.50
             |                           
            
                46.50
             | 
            
                46.55
             |                     
            
                41.86
             |                                 
            
                60
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2016
             | 
            
                +2.50 / +5.68%
             |             
            
                46.00
             |           
            
                47.00
             |               
            
                45.90
             |                           
            
                46.50
             | 
            
                46.81
             |                     
            
                41.86
             |                                 
            
                7,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2016
             | 
            
                0.00 / 0.00%
             |             
            
                44.00
             |           
            
                46.00
             |               
            
                44.00
             |                           
            
                44.00
             | 
            
                44.50
             |                     
            
                39.61
             |                                 
            
                4,710
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2016
             | 
            
                -0.90 / -2.00%
             |             
            
                46.80
             |           
            
                46.80
             |               
            
                44.00
             |                           
            
                44.00
             | 
            
                44.44
             |                     
            
                39.61
             |                                 
            
                360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2016
             | 
            
                0.00 / 0.00%
             |             
            
                45.00
             |           
            
                45.00
             |               
            
                44.00
             |                           
            
                44.90
             | 
            
                44.73
             |                     
            
                40.42
             |                                 
            
                410
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2016
             | 
            
                -1.00 / -2.18%
             |             
            
                45.00
             |           
            
                45.50
             |               
            
                43.20
             |                           
            
                44.90
             | 
            
                43.93
             |                     
            
                40.42
             |                                 
            
                3,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2016
             | 
            
                +0.70 / +1.55%
             |             
            
                47.00
             |           
            
                47.00
             |               
            
                43.00
             |                           
            
                45.90
             | 
            
                45.73
             |                     
            
                41.32
             |                                 
            
                60
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2016
             | 
            
                +2.00 / +4.63%
             |             
            
                45.00
             |           
            
                46.20
             |               
            
                43.60
             |                           
            
                45.20
             | 
            
                45.16
             |                     
            
                40.69
             |                                 
            
                141,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2016
             | 
            
                -3.00 / -6.49%
             |             
            
                47.40
             |           
            
                47.40
             |               
            
                43.20
             |                           
            
                43.20
             | 
            
                47.06
             |                     
            
                38.89
             |                                 
            
                170
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2016
             | 
            
                -2.20 / -4.55%
             |             
            
                46.10
             |           
            
                46.90
             |               
            
                46.00
             |                           
            
                46.20
             | 
            
                46.03
             |                     
            
                41.59
             |                                 
            
                2,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2016
             | 
            
                -0.60 / -1.22%
             |             
            
                47.70
             |           
            
                48.40
             |               
            
                47.70
             |                           
            
                48.40
             | 
            
                48.05
             |                     
            
                43.57
             |                                 
            
                70
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2016
             | 
            
                +1.70 / +3.59%
             |             
            
                44.60
             |           
            
                50.50
             |               
            
                44.50
             |                           
            
                49.00
             | 
            
                46.79
             |                     
            
                44.11
             |                                 
            
                18,210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2016
             | 
            
                -0.50 / -1.05%
             |             
            
                48.90
             |           
            
                48.90
             |               
            
                44.50
             |                           
            
                47.30
             | 
            
                44.71
             |                     
            
                42.58
             |                                 
            
                8,880
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2016
             | 
            
                -0.70 / -1.44%
             |             
            
                48.20
             |           
            
                48.20
             |               
            
                45.20
             |                           
            
                47.80
             | 
            
                45.56
             |                     
            
                43.03
             |                                 
            
                2,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2016
             | 
            
                -0.50 / -1.02%
             |             
            
                48.50
             |           
            
                48.50
             |               
            
                46.00
             |                           
            
                48.50
             | 
            
                46.39
             |                     
            
                43.66
             |                                 
            
                2,630
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2016
             | 
            
                +1.50 / +3.16%
             |             
            
                48.50
             |           
            
                49.80
             |               
            
                48.50
             |                           
            
                49.00
             | 
            
                48.95
             |                     
            
                44.11
             |                                 
            
                170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2016
             | 
            
                0.00 / 0.00%
             |             
            
                48.40
             |           
            
                48.40
             |               
            
                47.00
             |                           
            
                47.50
             | 
            
                47.83
             |                     
            
                42.76
             |                                 
            
                1,280
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2016
             | 
            
                0.00 / 0.00%
             |             
            
                47.50
             |           
            
                50.50
             |               
            
                45.00
             |                           
            
                47.50
             | 
            
                47.68
             |                     
            
                42.76
             |                                 
            
                2,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2016
             | 
            
                +2.50 / +5.56%
             |             
            
                46.90
             |           
            
                48.10
             |               
            
                46.90
             |                           
            
                47.50
             | 
            
                47.27
             |                     
            
                42.76
             |                                 
            
                550
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2016
             | 
            
                -2.10 / -4.46%
             |             
            
                47.80
             |           
            
                48.80
             |               
            
                45.00
             |                           
            
                45.00
             | 
            
                46.08
             |                     
            
                40.51
             |                                 
            
                3,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2016
             | 
            
                +0.20 / +0.43%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                47.10
             |                           
            
                47.10
             | 
            
                47.88
             |                     
            
                42.40
             |                                 
            
                1,650
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2016
             | 
            
                -2.10 / -4.29%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                46.90
             |                           
            
                46.90
             | 
            
                48.08
             |                     
            
                42.22
             |                                 
            
                520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2016
             | 
            
                -1.00 / -2.00%
             |             
            
                49.00
             |           
            
                49.00
             |               
            
                47.00
             |                           
            
                49.00
             | 
            
                47.59
             |                     
            
                44.11
             |                                 
            
                3,530
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2016
             | 
            
                +2.00 / +4.17%
             |             
            
                46.90
             |           
            
                50.00
             |               
            
                46.90
             |                           
            
                50.00
             | 
            
                47.92
             |                     
            
                45.01
             |                                 
            
                4,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2016
             | 
            
                0.00 / 0.00%
             |             
            
                50.50
             |           
            
                50.50
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.65
             |                     
            
                43.21
             |                                 
            
                1,850
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2016
             | 
            
                +1.00 / +2.13%
             |             
            
                47.00
             |           
            
                49.00
             |               
            
                47.00
             |                           
            
                48.00
             | 
            
                47.86
             |                     
            
                43.21
             |                                 
            
                3,510
             |  
            
                 
             |                                                              
             
    
         
    
    
 |