| 
                 
                    Closing price on 8/10/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    29.50 | 
                 
                
                    | High | 
                    30.50 | 
                 
                
                    | Low | 
                    29.30 | 
                     
                
                    | Volume | 
                    781,848 | 
                                 
                
                    | Split-adjusted Price | 
                    30.50 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/10/2017
             | 
            
                +1.00 / +3.39%
             |             
            
                29.50
             |           
            
                30.50
             |               
            
                29.30
             |                           
            
                30.50
             | 
            
                30.08
             |                     
            
                30.50
             |                                 
            
                781,848
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2017
             | 
            
                -0.10 / -0.34%
             |             
            
                29.50
             |           
            
                29.60
             |               
            
                29.20
             |                           
            
                29.50
             | 
            
                29.45
             |                     
            
                29.50
             |                                 
            
                246,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2017
             | 
            
                -0.40 / -1.33%
             |             
            
                30.10
             |           
            
                30.20
             |               
            
                29.50
             |                           
            
                29.60
             | 
            
                29.63
             |                     
            
                29.60
             |                                 
            
                301,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2017
             | 
            
                +0.80 / +2.74%
             |             
            
                28.90
             |           
            
                30.00
             |               
            
                28.90
             |                           
            
                30.00
             | 
            
                29.65
             |                     
            
                30.00
             |                                 
            
                753,714
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/4/2017
             | 
            
                +0.10 / +0.34%
             |             
            
                29.10
             |           
            
                29.30
             |               
            
                28.70
             |                           
            
                29.20
             | 
            
                28.99
             |                     
            
                29.20
             |                                 
            
                506,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/3/2017
             | 
            
                -0.10 / -0.34%
             |             
            
                29.20
             |           
            
                29.30
             |               
            
                28.90
             |                           
            
                29.10
             | 
            
                29.07
             |                     
            
                29.10
             |                                 
            
                287,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/2/2017
             | 
            
                +0.20 / +0.69%
             |             
            
                29.10
             |           
            
                29.20
             |               
            
                28.60
             |                           
            
                29.20
             | 
            
                28.92
             |                     
            
                29.20
             |                                 
            
                464,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/1/2017
             | 
            
                +0.80 / +2.84%
             |             
            
                27.00
             |           
            
                29.00
             |               
            
                25.40
             |                           
            
                29.00
             | 
            
                28.22
             |                     
            
                29.00
             |                                 
            
                870,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/31/2017
             | 
            
                -0.30 / -1.05%
             |             
            
                28.60
             |           
            
                28.60
             |               
            
                28.10
             |                           
            
                28.20
             | 
            
                28.23
             |                     
            
                28.20
             |                                 
            
                248,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/28/2017
             | 
            
                +0.20 / +0.71%
             |             
            
                28.00
             |           
            
                28.70
             |               
            
                28.00
             |                           
            
                28.50
             | 
            
                28.44
             |                     
            
                28.50
             |                                 
            
                933,304
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2017
             | 
            
                +0.10 / +0.35%
             |             
            
                28.20
             |           
            
                28.40
             |               
            
                27.90
             |                           
            
                28.30
             | 
            
                28.30
             |                     
            
                28.30
             |                                 
            
                213,850
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2017
             | 
            
                -0.10 / -0.35%
             |             
            
                28.20
             |           
            
                28.30
             |               
            
                27.90
             |                           
            
                28.20
             | 
            
                28.20
             |                     
            
                28.20
             |                                 
            
                195,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2017
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                28.70
             |               
            
                28.20
             |                           
            
                28.30
             | 
            
                28.44
             |                     
            
                28.30
             |                                 
            
                413,134
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2017
             | 
            
                +0.10 / +0.35%
             |             
            
                28.20
             |           
            
                28.30
             |               
            
                27.90
             |                           
            
                28.30
             | 
            
                28.23
             |                     
            
                28.30
             |                                 
            
                290,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/21/2017
             | 
            
                -0.40 / -1.40%
             |             
            
                28.40
             |           
            
                28.40
             |               
            
                28.00
             |                           
            
                28.20
             | 
            
                28.20
             |                     
            
                28.20
             |                                 
            
                423,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2017
             | 
            
                -0.10 / -0.35%
             |             
            
                28.30
             |           
            
                28.70
             |               
            
                28.30
             |                           
            
                28.60
             | 
            
                28.51
             |                     
            
                28.60
             |                                 
            
                499,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2017
             | 
            
                +0.10 / +0.35%
             |             
            
                28.30
             |           
            
                28.70
             |               
            
                28.00
             |                           
            
                28.70
             | 
            
                28.48
             |                     
            
                28.70
             |                                 
            
                674,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2017
             | 
            
                -0.40 / -1.38%
             |             
            
                29.10
             |           
            
                29.10
             |               
            
                28.50
             |                           
            
                28.60
             | 
            
                28.61
             |                     
            
                28.60
             |                                 
            
                446,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/17/2017
             | 
            
                -0.70 / -2.36%
             |             
            
                26.80
             |           
            
                29.20
             |               
            
                26.80
             |                           
            
                29.00
             | 
            
                27.91
             |                     
            
                29.00
             |                                 
            
                2,243,084
             |            
            
                 
             |                                       
         
    
        
            | 
                7/14/2017
             | 
            
                -3.30 / -10.00%
             |             
            
                29.70
             |           
            
                31.70
             |               
            
                29.70
             |                           
            
                29.70
             | 
            
                30.34
             |                     
            
                29.70
             |                                 
            
                86,990
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2017
             | 
            
                -0.90 / -2.65%
             |             
            
                34.60
             |           
            
                35.10
             |               
            
                32.00
             |                           
            
                33.00
             | 
            
                33.80
             |                     
            
                33.00
             |                                 
            
                3,310,671
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2017
             | 
            
                +3.00 / +9.71%
             |             
            
                31.50
             |           
            
                33.90
             |               
            
                31.50
             |                           
            
                33.90
             | 
            
                33.11
             |                     
            
                33.90
             |                                 
            
                4,983,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2017
             | 
            
                +2.80 / +9.96%
             |             
            
                28.40
             |           
            
                30.90
             |               
            
                28.00
             |                           
            
                30.90
             | 
            
                29.94
             |                     
            
                30.90
             |                                 
            
                4,099,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/10/2017
             | 
            
                +0.10 / +0.36%
             |             
            
                27.80
             |           
            
                28.10
             |               
            
                27.50
             |                           
            
                28.10
             | 
            
                27.90
             |                     
            
                28.10
             |                                 
            
                488,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/7/2017
             | 
            
                0.00 / 0.00%
             |             
            
                27.70
             |           
            
                28.00
             |               
            
                27.70
             |                           
            
                28.00
             | 
            
                27.91
             |                     
            
                28.00
             |                                 
            
                317,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2017
             | 
            
                -0.10 / -0.36%
             |             
            
                27.80
             |           
            
                28.00
             |               
            
                27.50
             |                           
            
                28.00
             | 
            
                27.87
             |                     
            
                28.00
             |                                 
            
                384,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2017
             | 
            
                +0.10 / +0.36%
             |             
            
                27.80
             |           
            
                28.40
             |               
            
                27.80
             |                           
            
                28.10
             | 
            
                27.95
             |                     
            
                28.10
             |                                 
            
                272,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2017
             | 
            
                0.00 / 0.00%
             |             
            
                27.90
             |           
            
                28.40
             |               
            
                27.50
             |                           
            
                28.00
             | 
            
                27.84
             |                     
            
                28.00
             |                                 
            
                246,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/3/2017
             | 
            
                -0.10 / -0.36%
             |             
            
                28.20
             |           
            
                28.40
             |               
            
                27.60
             |                           
            
                28.00
             | 
            
                27.94
             |                     
            
                28.00
             |                                 
            
                199,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/30/2017
             | 
            
                +0.10 / +0.36%
             |             
            
                27.50
             |           
            
                28.40
             |               
            
                27.50
             |                           
            
                28.10
             | 
            
                27.95
             |                     
            
                28.10
             |                                 
            
                343,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |