| 
                 
                    Closing price on 3/3/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    30.70 | 
                 
                
                    | High | 
                    30.70 | 
                 
                
                    | Low | 
                    29.50 | 
                     
                
                    | Volume | 
                    688,700 | 
                                 
                
                    | Split-adjusted Price | 
                    19.29 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/3/2016
             | 
            
                -0.70 / -2.28%
             |             
            
                30.70
             |           
            
                30.70
             |               
            
                29.50
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                19.29
             |                                 
            
                688,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2016
             | 
            
                -0.40 / -1.29%
             |             
            
                30.90
             |           
            
                31.70
             |               
            
                30.60
             |                           
            
                30.70
             | 
            
                31.14
             |                     
            
                19.74
             |                                 
            
                913,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2016
             | 
            
                +2.40 / +8.36%
             |             
            
                28.70
             |           
            
                31.50
             |               
            
                28.70
             |                           
            
                31.10
             | 
            
                30.16
             |                     
            
                20.00
             |                                 
            
                1,564,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/29/2016
             | 
            
                +2.20 / +8.30%
             |             
            
                26.30
             |           
            
                28.70
             |               
            
                26.00
             |                           
            
                28.70
             | 
            
                27.72
             |                     
            
                18.46
             |                                 
            
                1,399,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2016
             | 
            
                +1.00 / +3.92%
             |             
            
                25.90
             |           
            
                26.60
             |               
            
                25.40
             |                           
            
                26.50
             | 
            
                26.05
             |                     
            
                17.04
             |                                 
            
                891,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2016
             | 
            
                -0.50 / -1.92%
             |             
            
                23.40
             |           
            
                26.20
             |               
            
                23.40
             |                           
            
                25.50
             | 
            
                26.00
             |                     
            
                16.40
             |                                 
            
                578,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2016
             | 
            
                -0.30 / -1.14%
             |             
            
                26.60
             |           
            
                26.80
             |               
            
                25.90
             |                           
            
                26.00
             | 
            
                26.13
             |                     
            
                16.72
             |                                 
            
                448,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2016
             | 
            
                0.00 / 0.00%
             |             
            
                26.10
             |           
            
                26.40
             |               
            
                25.80
             |                           
            
                26.30
             | 
            
                26.37
             |                     
            
                16.91
             |                                 
            
                344,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2016
             | 
            
                +0.10 / +0.38%
             |             
            
                26.00
             |           
            
                26.40
             |               
            
                25.70
             |                           
            
                26.30
             | 
            
                26.36
             |                     
            
                16.91
             |                                 
            
                494,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/19/2016
             | 
            
                +0.20 / +0.77%
             |             
            
                25.70
             |           
            
                26.40
             |               
            
                25.50
             |                           
            
                26.20
             | 
            
                26.20
             |                     
            
                16.85
             |                                 
            
                643,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/18/2016
             | 
            
                0.00 / 0.00%
             |             
            
                26.00
             |           
            
                26.30
             |               
            
                25.70
             |                           
            
                26.00
             | 
            
                26.04
             |                     
            
                16.72
             |                                 
            
                644,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/17/2016
             | 
            
                -0.30 / -1.14%
             |             
            
                26.30
             |           
            
                26.30
             |               
            
                26.00
             |                           
            
                26.00
             | 
            
                26.12
             |                     
            
                16.72
             |                                 
            
                223,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/16/2016
             | 
            
                0.00 / 0.00%
             |             
            
                26.30
             |           
            
                26.50
             |               
            
                25.70
             |                           
            
                26.30
             | 
            
                26.34
             |                     
            
                16.91
             |                                 
            
                207,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/15/2016
             | 
            
                +0.20 / +0.77%
             |             
            
                25.80
             |           
            
                26.40
             |               
            
                25.80
             |                           
            
                26.30
             | 
            
                26.31
             |                     
            
                16.91
             |                                 
            
                179,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/5/2016
             | 
            
                -0.10 / -0.38%
             |             
            
                26.40
             |           
            
                26.40
             |               
            
                25.90
             |                           
            
                26.10
             | 
            
                26.03
             |                     
            
                16.78
             |                                 
            
                174,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/4/2016
             | 
            
                0.00 / 0.00%
             |             
            
                26.00
             |           
            
                26.30
             |               
            
                25.50
             |                           
            
                26.20
             | 
            
                26.20
             |                     
            
                16.85
             |                                 
            
                156,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |