| 
                 
                    Closing price on 6/14/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    27.80 | 
                 
                
                    | High | 
                    28.30 | 
                 
                
                    | Low | 
                    27.60 | 
                     
                
                    | Volume | 
                    317,600 | 
                                 
                
                    | Split-adjusted Price | 
                    28.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/14/2017
             | 
            
                +0.10 / +0.36%
             |             
            
                27.80
             |           
            
                28.30
             |               
            
                27.60
             |                           
            
                28.00
             | 
            
                27.89
             |                     
            
                28.00
             |                                 
            
                317,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2017
             | 
            
                -0.20 / -0.71%
             |             
            
                27.80
             |           
            
                28.10
             |               
            
                27.80
             |                           
            
                27.90
             | 
            
                27.97
             |                     
            
                27.90
             |                                 
            
                308,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2017
             | 
            
                -0.20 / -0.71%
             |             
            
                28.00
             |           
            
                28.30
             |               
            
                27.60
             |                           
            
                28.10
             | 
            
                28.07
             |                     
            
                28.10
             |                                 
            
                380,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/9/2017
             | 
            
                -0.60 / -2.08%
             |             
            
                29.00
             |           
            
                29.20
             |               
            
                28.20
             |                           
            
                28.30
             | 
            
                28.46
             |                     
            
                28.30
             |                                 
            
                294,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/8/2017
             | 
            
                -0.40 / -1.37%
             |             
            
                29.50
             |           
            
                29.70
             |               
            
                28.80
             |                           
            
                28.90
             | 
            
                29.23
             |                     
            
                28.90
             |                                 
            
                346,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2017
             | 
            
                +1.40 / +5.02%
             |             
            
                27.80
             |           
            
                29.30
             |               
            
                27.60
             |                           
            
                29.30
             | 
            
                28.56
             |                     
            
                29.30
             |                                 
            
                999,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2017
             | 
            
                -0.10 / -0.36%
             |             
            
                28.20
             |           
            
                28.20
             |               
            
                27.70
             |                           
            
                27.90
             | 
            
                27.84
             |                     
            
                27.90
             |                                 
            
                245,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2017
             | 
            
                +0.10 / +0.36%
             |             
            
                27.70
             |           
            
                28.00
             |               
            
                27.50
             |                           
            
                28.00
             | 
            
                27.82
             |                     
            
                28.00
             |                                 
            
                343,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/2/2017
             | 
            
                -0.10 / -0.36%
             |             
            
                27.50
             |           
            
                28.00
             |               
            
                27.50
             |                           
            
                27.90
             | 
            
                27.81
             |                     
            
                27.90
             |                                 
            
                401,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2017
             | 
            
                0.00 / 0.00%
             |             
            
                27.80
             |           
            
                28.00
             |               
            
                27.40
             |                           
            
                28.00
             | 
            
                27.88
             |                     
            
                28.00
             |                                 
            
                372,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2017
             | 
            
                +0.10 / +0.36%
             |             
            
                27.80
             |           
            
                28.20
             |               
            
                27.50
             |                           
            
                28.00
             | 
            
                27.92
             |                     
            
                28.00
             |                                 
            
                435,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2017
             | 
            
                -0.10 / -0.36%
             |             
            
                27.60
             |           
            
                28.50
             |               
            
                27.50
             |                           
            
                27.90
             | 
            
                27.89
             |                     
            
                27.90
             |                                 
            
                494,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2017
             | 
            
                0.00 / 0.00%
             |             
            
                27.70
             |           
            
                28.10
             |               
            
                27.50
             |                           
            
                28.00
             | 
            
                27.97
             |                     
            
                28.00
             |                                 
            
                384,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/26/2017
             | 
            
                0.00 / 0.00%
             |             
            
                27.80
             |           
            
                28.10
             |               
            
                27.80
             |                           
            
                28.00
             | 
            
                27.97
             |                     
            
                28.00
             |                                 
            
                393,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2017
             | 
            
                +0.10 / +0.36%
             |             
            
                27.70
             |           
            
                28.20
             |               
            
                27.60
             |                           
            
                28.00
             | 
            
                27.82
             |                     
            
                28.00
             |                                 
            
                463,906
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2017
             | 
            
                +0.10 / +0.36%
             |             
            
                27.50
             |           
            
                28.20
             |               
            
                27.50
             |                           
            
                27.90
             | 
            
                27.94
             |                     
            
                27.90
             |                                 
            
                501,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2017
             | 
            
                -0.10 / -0.36%
             |             
            
                27.70
             |           
            
                28.10
             |               
            
                27.50
             |                           
            
                27.80
             | 
            
                27.90
             |                     
            
                27.80
             |                                 
            
                442,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2017
             | 
            
                -0.10 / -0.36%
             |             
            
                28.30
             |           
            
                28.50
             |               
            
                27.40
             |                           
            
                27.90
             | 
            
                27.98
             |                     
            
                27.90
             |                                 
            
                500,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/19/2017
             | 
            
                +0.10 / +0.36%
             |             
            
                27.40
             |           
            
                28.30
             |               
            
                27.40
             |                           
            
                28.00
             | 
            
                27.90
             |                     
            
                28.00
             |                                 
            
                333,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2017
             | 
            
                -0.20 / -0.71%
             |             
            
                27.80
             |           
            
                28.40
             |               
            
                27.40
             |                           
            
                27.90
             | 
            
                27.89
             |                     
            
                27.90
             |                                 
            
                413,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2017
             | 
            
                -0.20 / -0.71%
             |             
            
                28.00
             |           
            
                28.40
             |               
            
                27.40
             |                           
            
                28.10
             | 
            
                28.08
             |                     
            
                28.10
             |                                 
            
                378,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2017
             | 
            
                -1.10 / -3.74%
             |             
            
                29.50
             |           
            
                29.80
             |               
            
                28.00
             |                           
            
                28.30
             | 
            
                28.36
             |                     
            
                28.30
             |                                 
            
                503,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2017
             | 
            
                -1.30 / -4.23%
             |             
            
                30.80
             |           
            
                31.00
             |               
            
                27.70
             |                           
            
                29.40
             | 
            
                29.54
             |                     
            
                29.40
             |                                 
            
                592,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2017
             | 
            
                +1.80 / +6.23%
             |             
            
                29.00
             |           
            
                30.70
             |               
            
                28.30
             |                           
            
                30.70
             | 
            
                29.63
             |                     
            
                30.70
             |                                 
            
                996,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2017
             | 
            
                +1.80 / +6.64%
             |             
            
                27.20
             |           
            
                29.10
             |               
            
                27.00
             |                           
            
                28.90
             | 
            
                28.10
             |                     
            
                28.90
             |                                 
            
                1,191,088
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2017
             | 
            
                0.00 / 0.00%
             |             
            
                27.00
             |           
            
                27.20
             |               
            
                25.00
             |                           
            
                27.10
             | 
            
                26.37
             |                     
            
                27.10
             |                                 
            
                329,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2017
             | 
            
                +0.10 / +0.37%
             |             
            
                26.90
             |           
            
                27.50
             |               
            
                26.60
             |                           
            
                27.10
             | 
            
                26.89
             |                     
            
                27.10
             |                                 
            
                308,820
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2017
             | 
            
                +0.10 / +0.37%
             |             
            
                26.80
             |           
            
                27.20
             |               
            
                26.40
             |                           
            
                27.00
             | 
            
                26.95
             |                     
            
                27.00
             |                                 
            
                580,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2017
             | 
            
                -0.10 / -0.37%
             |             
            
                26.90
             |           
            
                27.00
             |               
            
                26.50
             |                           
            
                26.90
             | 
            
                26.80
             |                     
            
                26.90
             |                                 
            
                405,812
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2017
             | 
            
                -0.10 / -0.37%
             |             
            
                27.20
             |           
            
                27.60
             |               
            
                26.50
             |                           
            
                27.00
             | 
            
                27.07
             |                     
            
                27.00
             |                                 
            
                571,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |