| 
                 
                    Closing price on 2/12/2018
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    29.05 | 
                 
                
                    | High | 
                    29.05 | 
                 
                
                    | Low | 
                    27.20 | 
                     
                
                    | Volume | 
                    1,330 | 
                                 
                
                    | Split-adjusted Price | 
                    27.24 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SCD Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/12/2018
             | 
            
                +1.05 / +3.87%
             |             
            
                29.05
             |           
            
                29.05
             |               
            
                27.20
             |                           
            
                28.20
             | 
            
                27.82
             |                     
            
                27.24
             |                                 
            
                1,330
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2018
             | 
            
                +1.75 / +6.89%
             |             
            
                25.40
             |           
            
                27.15
             |               
            
                25.40
             |                           
            
                27.15
             | 
            
                26.36
             |                     
            
                26.23
             |                                 
            
                12,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2018
             | 
            
                +0.60 / +2.42%
             |             
            
                24.80
             |           
            
                25.50
             |               
            
                24.80
             |                           
            
                25.40
             | 
            
                25.00
             |                     
            
                24.54
             |                                 
            
                3,040
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2018
             | 
            
                +0.70 / +2.90%
             |             
            
                25.45
             |           
            
                25.45
             |               
            
                24.00
             |                           
            
                24.80
             | 
            
                24.44
             |                     
            
                23.96
             |                                 
            
                83,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2018
             | 
            
                -0.75 / -3.02%
             |             
            
                23.15
             |           
            
                24.10
             |               
            
                23.15
             |                           
            
                24.10
             | 
            
                23.17
             |                     
            
                23.28
             |                                 
            
                251,810
             |            
            
                 
             |                                       
         
    
        
            | 
                2/5/2018
             | 
            
                -1.85 / -6.93%
             |             
            
                26.50
             |           
            
                26.70
             |               
            
                24.85
             |                           
            
                24.85
             | 
            
                24.92
             |                     
            
                24.00
             |                                 
            
                26,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2018
             | 
            
                -2.00 / -6.97%
             |             
            
                26.70
             |           
            
                27.95
             |               
            
                26.70
             |                           
            
                26.70
             | 
            
                27.01
             |                     
            
                25.79
             |                                 
            
                9,180
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2018
             | 
            
                +1.20 / +4.36%
             |             
            
                27.60
             |           
            
                28.95
             |               
            
                25.60
             |                           
            
                28.70
             | 
            
                25.81
             |                     
            
                27.72
             |                                 
            
                106,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2018
             | 
            
                +0.05 / +0.18%
             |             
            
                27.00
             |           
            
                27.90
             |               
            
                26.00
             |                           
            
                27.50
             | 
            
                27.06
             |                     
            
                26.56
             |                                 
            
                8,020
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2018
             | 
            
                -2.05 / -6.95%
             |             
            
                27.50
             |           
            
                28.60
             |               
            
                27.45
             |                           
            
                27.45
             | 
            
                27.47
             |                     
            
                26.52
             |                                 
            
                30,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/29/2018
             | 
            
                +0.75 / +2.61%
             |             
            
                29.75
             |           
            
                29.75
             |               
            
                27.80
             |                           
            
                29.50
             | 
            
                29.18
             |                     
            
                28.50
             |                                 
            
                8,260
             |            
            
                 
             |                                       
         
    
        
            | 
                1/26/2018
             | 
            
                -2.15 / -6.96%
             |             
            
                30.00
             |           
            
                30.00
             |               
            
                28.75
             |                           
            
                28.75
             | 
            
                28.85
             |                     
            
                27.77
             |                                 
            
                25,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/25/2018
             | 
            
                +0.85 / +2.83%
             |             
            
                27.95
             |           
            
                30.90
             |               
            
                27.95
             |                           
            
                30.90
             | 
            
                28.50
             |                     
            
                29.85
             |                                 
            
                15,440
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2018
             | 
            
                -2.25 / -6.97%
             |             
            
                30.05
             |           
            
                30.05
             |               
            
                30.05
             |                           
            
                30.05
             | 
            
                30.05
             |                     
            
                29.03
             |                                 
            
                12,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/19/2018
             | 
            
                -0.50 / -1.52%
             |             
            
                32.80
             |           
            
                32.80
             |               
            
                30.55
             |                           
            
                32.30
             | 
            
                30.60
             |                     
            
                31.20
             |                                 
            
                25,590
             |            
            
                 
             |                                       
         
    
        
            | 
                1/18/2018
             | 
            
                +0.05 / +0.15%
             |             
            
                33.50
             |           
            
                33.50
             |               
            
                32.80
             |                           
            
                32.80
             | 
            
                33.33
             |                     
            
                31.68
             |                                 
            
                60
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2018
             | 
            
                +0.30 / +0.92%
             |             
            
                32.45
             |           
            
                33.00
             |               
            
                31.00
             |                           
            
                32.75
             | 
            
                31.86
             |                     
            
                31.64
             |                                 
            
                2,950
             |            
            
                 
             |                                       
         
    
        
            | 
                1/16/2018
             | 
            
                -0.50 / -1.52%
             |             
            
                31.30
             |           
            
                33.20
             |               
            
                30.65
             |                           
            
                32.45
             | 
            
                30.93
             |                     
            
                31.35
             |                                 
            
                8,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2018
             | 
            
                -2.45 / -6.92%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                32.95
             |                           
            
                32.95
             | 
            
                33.01
             |                     
            
                31.83
             |                                 
            
                11,390
             |            
            
                 
             |                                       
         
    
        
            | 
                1/12/2018
             | 
            
                +1.55 / +4.58%
             |             
            
                33.90
             |           
            
                36.15
             |               
            
                33.85
             |                           
            
                35.40
             | 
            
                34.45
             |                     
            
                34.19
             |                                 
            
                2,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/11/2018
             | 
            
                -0.95 / -2.73%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                32.40
             |                           
            
                33.85
             | 
            
                32.50
             |                     
            
                32.70
             |                                 
            
                15,290
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2018
             | 
            
                -1.20 / -3.33%
             |             
            
                33.50
             |           
            
                34.90
             |               
            
                33.50
             |                           
            
                34.80
             | 
            
                33.53
             |                     
            
                33.62
             |                                 
            
                25,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/9/2018
             | 
            
                -1.00 / -2.70%
             |             
            
                37.00
             |           
            
                37.10
             |               
            
                34.45
             |                           
            
                36.00
             | 
            
                34.95
             |                     
            
                34.77
             |                                 
            
                24,260
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2018
             | 
            
                -0.90 / -2.37%
             |             
            
                37.90
             |           
            
                37.90
             |               
            
                37.00
             |                           
            
                37.00
             | 
            
                37.16
             |                     
            
                35.74
             |                                 
            
                1,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/5/2018
             | 
            
                +0.85 / +2.29%
             |             
            
                38.75
             |           
            
                38.75
             |               
            
                37.00
             |                           
            
                37.90
             | 
            
                37.07
             |                     
            
                36.61
             |                                 
            
                5,880
             |            
            
                 
             |                                       
         
    
        
            | 
                1/4/2018
             | 
            
                0.00 / 0.00%
             |             
            
                39.40
             |           
            
                39.40
             |               
            
                37.05
             |                           
            
                37.05
             | 
            
                37.07
             |                     
            
                35.79
             |                                 
            
                6,690
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/3/2018
             | 
            
                -2.75 / -6.91%
             |             
            
                39.80
             |           
            
                39.80
             |               
            
                37.05
             |                           
            
                37.05
             | 
            
                37.72
             |                     
            
                35.79
             |                                 
            
                10,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/2/2018
             | 
            
                -0.05 / -0.13%
             |             
            
                40.40
             |           
            
                40.40
             |               
            
                38.20
             |                           
            
                39.80
             | 
            
                39.77
             |                     
            
                38.45
             |                                 
            
                880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/29/2017
             | 
            
                +0.45 / +1.14%
             |             
            
                38.80
             |           
            
                40.45
             |               
            
                38.80
             |                           
            
                39.85
             | 
            
                39.47
             |                     
            
                38.49
             |                                 
            
                5,650
             |            
            
                 
             |                                       
         
    
        
            | 
                12/28/2017
             | 
            
                -0.30 / -0.76%
             |             
            
                38.00
             |           
            
                39.50
             |               
            
                38.00
             |                           
            
                39.40
             | 
            
                38.11
             |                     
            
                38.06
             |                                 
            
                3,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |