| 
                 
                    Closing price on 2/3/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    25.80 | 
                 
                
                    | High | 
                    26.20 | 
                 
                
                    | Low | 
                    25.80 | 
                     
                
                    | Volume | 
                    226,400 | 
                                 
                
                    | Split-adjusted Price | 
                    16.85 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/3/2016
             | 
            
                +0.20 / +0.77%
             |             
            
                25.80
             |           
            
                26.20
             |               
            
                25.80
             |                           
            
                26.20
             | 
            
                25.96
             |                     
            
                16.85
             |                                 
            
                226,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/2/2016
             | 
            
                -0.10 / -0.38%
             |             
            
                25.90
             |           
            
                26.50
             |               
            
                25.90
             |                           
            
                26.00
             | 
            
                26.06
             |                     
            
                16.72
             |                                 
            
                215,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2016
             | 
            
                -0.10 / -0.38%
             |             
            
                26.60
             |           
            
                26.80
             |               
            
                25.80
             |                           
            
                26.10
             | 
            
                26.19
             |                     
            
                16.78
             |                                 
            
                252,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2016
             | 
            
                0.00 / 0.00%
             |             
            
                26.20
             |           
            
                26.60
             |               
            
                25.70
             |                           
            
                26.20
             | 
            
                26.22
             |                     
            
                16.85
             |                                 
            
                195,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2016
             | 
            
                +0.20 / +0.77%
             |             
            
                25.80
             |           
            
                26.30
             |               
            
                25.40
             |                           
            
                26.20
             | 
            
                26.00
             |                     
            
                16.85
             |                                 
            
                207,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/27/2016
             | 
            
                -0.30 / -1.14%
             |             
            
                26.30
             |           
            
                26.50
             |               
            
                26.00
             |                           
            
                26.00
             | 
            
                26.30
             |                     
            
                16.72
             |                                 
            
                221,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/26/2016
             | 
            
                -0.10 / -0.38%
             |             
            
                26.20
             |           
            
                26.40
             |               
            
                25.70
             |                           
            
                26.30
             | 
            
                26.29
             |                     
            
                16.91
             |                                 
            
                248,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2016
             | 
            
                +0.50 / +1.93%
             |             
            
                25.90
             |           
            
                26.40
             |               
            
                25.50
             |                           
            
                26.40
             | 
            
                26.10
             |                     
            
                16.98
             |                                 
            
                364,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2016
             | 
            
                -0.20 / -0.77%
             |             
            
                26.30
             |           
            
                26.60
             |               
            
                25.50
             |                           
            
                25.90
             | 
            
                26.03
             |                     
            
                16.66
             |                                 
            
                228,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2016
             | 
            
                -0.10 / -0.38%
             |             
            
                26.50
             |           
            
                26.50
             |               
            
                25.70
             |                           
            
                26.10
             | 
            
                26.12
             |                     
            
                16.78
             |                                 
            
                218,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2016
             | 
            
                +0.20 / +0.77%
             |             
            
                25.80
             |           
            
                26.20
             |               
            
                25.60
             |                           
            
                26.20
             | 
            
                26.00
             |                     
            
                16.85
             |                                 
            
                242,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2016
             | 
            
                0.00 / 0.00%
             |             
            
                26.00
             |           
            
                26.10
             |               
            
                25.50
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                16.72
             |                                 
            
                212,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2016
             | 
            
                0.00 / 0.00%
             |             
            
                25.90
             |           
            
                26.10
             |               
            
                25.80
             |                           
            
                26.00
             | 
            
                25.97
             |                     
            
                16.72
             |                                 
            
                258,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2016
             | 
            
                -0.10 / -0.38%
             |             
            
                26.10
             |           
            
                26.10
             |               
            
                25.60
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                16.72
             |                                 
            
                370,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2016
             | 
            
                +0.30 / +1.16%
             |             
            
                25.80
             |           
            
                26.20
             |               
            
                25.80
             |                           
            
                26.10
             | 
            
                25.92
             |                     
            
                16.78
             |                                 
            
                268,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2016
             | 
            
                -0.10 / -0.39%
             |             
            
                26.00
             |           
            
                26.00
             |               
            
                25.50
             |                           
            
                25.80
             | 
            
                25.71
             |                     
            
                16.59
             |                                 
            
                316,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2016
             | 
            
                +0.10 / +0.39%
             |             
            
                25.60
             |           
            
                25.90
             |               
            
                25.10
             |                           
            
                25.90
             | 
            
                25.70
             |                     
            
                16.66
             |                                 
            
                389,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2016
             | 
            
                +0.30 / +1.18%
             |             
            
                25.40
             |           
            
                25.90
             |               
            
                24.90
             |                           
            
                25.80
             | 
            
                25.57
             |                     
            
                16.59
             |                                 
            
                390,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/8/2016
             | 
            
                +0.20 / +0.79%
             |             
            
                25.30
             |           
            
                25.50
             |               
            
                25.00
             |                           
            
                25.50
             | 
            
                25.30
             |                     
            
                16.40
             |                                 
            
                453,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2016
             | 
            
                +0.10 / +0.40%
             |             
            
                25.30
             |           
            
                25.30
             |               
            
                24.90
             |                           
            
                25.30
             | 
            
                25.10
             |                     
            
                16.27
             |                                 
            
                412,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2016
             | 
            
                0.00 / 0.00%
             |             
            
                25.60
             |           
            
                25.80
             |               
            
                24.90
             |                           
            
                25.20
             | 
            
                25.11
             |                     
            
                16.20
             |                                 
            
                393,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2016
             | 
            
                +0.20 / +0.80%
             |             
            
                25.00
             |           
            
                25.30
             |               
            
                24.80
             |                           
            
                25.20
             | 
            
                25.00
             |                     
            
                16.20
             |                                 
            
                554,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2016
             | 
            
                -0.20 / -0.79%
             |             
            
                25.20
             |           
            
                25.20
             |               
            
                24.70
             |                           
            
                25.00
             | 
            
                25.05
             |                     
            
                16.08
             |                                 
            
                828,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/31/2015
             | 
            
                0.00 / 0.00%
             |             
            
                25.20
             |           
            
                25.50
             |               
            
                24.90
             |                           
            
                25.20
             | 
            
                25.20
             |                     
            
                16.20
             |                                 
            
                508,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/30/2015
             | 
            
                +0.40 / +1.61%
             |             
            
                24.80
             |           
            
                25.50
             |               
            
                24.40
             |                           
            
                25.20
             | 
            
                25.08
             |                     
            
                16.20
             |                                 
            
                817,177
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2015
             | 
            
                +0.10 / +0.40%
             |             
            
                24.70
             |           
            
                24.80
             |               
            
                24.00
             |                           
            
                24.80
             | 
            
                24.77
             |                     
            
                15.95
             |                                 
            
                402,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2015
             | 
            
                -0.80 / -3.14%
             |             
            
                25.50
             |           
            
                25.70
             |               
            
                24.70
             |                           
            
                24.70
             | 
            
                25.12
             |                     
            
                15.88
             |                                 
            
                481,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2015
             | 
            
                -0.40 / -1.54%
             |             
            
                25.90
             |           
            
                28.40
             |               
            
                25.20
             |                           
            
                25.50
             | 
            
                26.76
             |                     
            
                16.40
             |                                 
            
                528,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/24/2015
             | 
            
                +0.60 / +2.37%
             |             
            
                25.30
             |           
            
                26.10
             |               
            
                24.90
             |                           
            
                25.90
             | 
            
                25.74
             |                     
            
                16.66
             |                                 
            
                449,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/23/2015
             | 
            
                +0.60 / +2.43%
             |             
            
                24.60
             |           
            
                25.30
             |               
            
                24.60
             |                           
            
                25.30
             | 
            
                25.10
             |                     
            
                16.27
             |                                 
            
                478,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |