| 
                 
                    Closing price on 6/17/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    29.50 | 
                 
                
                    | High | 
                    32.30 | 
                 
                
                    | Low | 
                    29.00 | 
                     
                
                    | Volume | 
                    2,108,000 | 
                                 
                
                    | Split-adjusted Price | 
                    20.77 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/17/2016
             | 
            
                +2.80 / +9.49%
             |             
            
                29.50
             |           
            
                32.30
             |               
            
                29.00
             |                           
            
                32.30
             | 
            
                30.93
             |                     
            
                20.77
             |                                 
            
                2,108,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/16/2016
             | 
            
                -0.90 / -2.96%
             |             
            
                27.40
             |           
            
                29.60
             |               
            
                27.40
             |                           
            
                29.50
             | 
            
                27.54
             |                     
            
                18.97
             |                                 
            
                2,205,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2016
             | 
            
                -3.30 / -9.79%
             |             
            
                30.40
             |           
            
                32.80
             |               
            
                30.40
             |                           
            
                30.40
             | 
            
                30.40
             |                     
            
                19.55
             |                                 
            
                491,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2016
             | 
            
                -3.70 / -9.89%
             |             
            
                33.70
             |           
            
                33.70
             |               
            
                33.70
             |                           
            
                33.70
             | 
            
                33.70
             |                     
            
                21.67
             |                                 
            
                641,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/13/2016
             | 
            
                -4.10 / -9.88%
             |             
            
                41.30
             |           
            
                41.30
             |               
            
                37.40
             |                           
            
                37.40
             | 
            
                37.41
             |                     
            
                24.05
             |                                 
            
                402,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2016
             | 
            
                0.00 / 0.00%
             |             
            
                41.50
             |           
            
                43.50
             |               
            
                37.40
             |                           
            
                41.50
             | 
            
                41.18
             |                     
            
                26.69
             |                                 
            
                1,736,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/9/2016
             | 
            
                +3.70 / +9.79%
             |             
            
                37.90
             |           
            
                41.50
             |               
            
                37.70
             |                           
            
                41.50
             | 
            
                39.91
             |                     
            
                26.69
             |                                 
            
                2,550,900
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2016
             | 
            
                +2.40 / +6.78%
             |             
            
                35.10
             |           
            
                37.80
             |               
            
                34.30
             |                           
            
                37.80
             | 
            
                36.51
             |                     
            
                24.31
             |                                 
            
                1,699,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2016
             | 
            
                +0.10 / +0.28%
             |             
            
                35.40
             |           
            
                35.90
             |               
            
                35.30
             |                           
            
                35.40
             | 
            
                35.50
             |                     
            
                22.76
             |                                 
            
                480,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2016
             | 
            
                -0.10 / -0.28%
             |             
            
                34.60
             |           
            
                35.90
             |               
            
                34.00
             |                           
            
                35.30
             | 
            
                35.50
             |                     
            
                22.70
             |                                 
            
                549,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2016
             | 
            
                -0.10 / -0.28%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                33.80
             |                           
            
                35.40
             | 
            
                35.49
             |                     
            
                22.76
             |                                 
            
                393,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2016
             | 
            
                +0.20 / +0.57%
             |             
            
                35.00
             |           
            
                36.00
             |               
            
                35.00
             |                           
            
                35.50
             | 
            
                35.44
             |                     
            
                22.83
             |                                 
            
                543,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2016
             | 
            
                -0.20 / -0.56%
             |             
            
                35.00
             |           
            
                36.00
             |               
            
                34.50
             |                           
            
                35.30
             | 
            
                35.65
             |                     
            
                22.70
             |                                 
            
                635,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2016
             | 
            
                +0.10 / +0.28%
             |             
            
                35.30
             |           
            
                36.30
             |               
            
                34.50
             |                           
            
                35.50
             | 
            
                35.73
             |                     
            
                22.83
             |                                 
            
                653,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2016
             | 
            
                0.00 / 0.00%
             |             
            
                36.10
             |           
            
                36.30
             |               
            
                34.20
             |                           
            
                35.40
             | 
            
                35.65
             |                     
            
                22.76
             |                                 
            
                509,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2016
             | 
            
                +0.20 / +0.57%
             |             
            
                34.60
             |           
            
                36.40
             |               
            
                33.60
             |                           
            
                35.40
             | 
            
                35.35
             |                     
            
                22.76
             |                                 
            
                364,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2016
             | 
            
                0.00 / 0.00%
             |             
            
                35.10
             |           
            
                35.40
             |               
            
                34.60
             |                           
            
                35.20
             | 
            
                35.28
             |                     
            
                22.64
             |                                 
            
                506,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2016
             | 
            
                0.00 / 0.00%
             |             
            
                35.80
             |           
            
                36.40
             |               
            
                33.80
             |                           
            
                35.20
             | 
            
                35.34
             |                     
            
                22.64
             |                                 
            
                449,977
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2016
             | 
            
                -0.20 / -0.56%
             |             
            
                34.70
             |           
            
                35.80
             |               
            
                34.60
             |                           
            
                35.20
             | 
            
                35.45
             |                     
            
                22.64
             |                                 
            
                389,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2016
             | 
            
                0.00 / 0.00%
             |             
            
                35.40
             |           
            
                35.90
             |               
            
                34.50
             |                           
            
                35.40
             | 
            
                35.65
             |                     
            
                22.76
             |                                 
            
                648,773
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2016
             | 
            
                0.00 / 0.00%
             |             
            
                36.00
             |           
            
                36.60
             |               
            
                34.60
             |                           
            
                35.40
             | 
            
                35.54
             |                     
            
                22.76
             |                                 
            
                561,018
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2016
             | 
            
                -0.20 / -0.56%
             |             
            
                35.10
             |           
            
                36.10
             |               
            
                34.30
             |                           
            
                35.40
             | 
            
                35.60
             |                     
            
                22.76
             |                                 
            
                487,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2016
             | 
            
                +0.10 / +0.28%
             |             
            
                34.40
             |           
            
                36.00
             |               
            
                34.10
             |                           
            
                35.60
             | 
            
                35.79
             |                     
            
                22.89
             |                                 
            
                434,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2016
             | 
            
                +0.50 / +1.43%
             |             
            
                34.80
             |           
            
                35.80
             |               
            
                34.60
             |                           
            
                35.50
             | 
            
                35.00
             |                     
            
                22.83
             |                                 
            
                595,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/16/2016
             | 
            
                -0.40 / -1.13%
             |             
            
                35.50
             |           
            
                35.90
             |               
            
                34.60
             |                           
            
                35.00
             | 
            
                35.67
             |                     
            
                22.51
             |                                 
            
                721,470
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2016
             | 
            
                +0.20 / +0.57%
             |             
            
                35.20
             |           
            
                35.80
             |               
            
                34.50
             |                           
            
                35.40
             | 
            
                35.33
             |                     
            
                22.76
             |                                 
            
                473,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2016
             | 
            
                +0.10 / +0.28%
             |             
            
                31.80
             |           
            
                36.00
             |               
            
                31.70
             |                           
            
                35.20
             | 
            
                35.10
             |                     
            
                22.64
             |                                 
            
                1,060,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2016
             | 
            
                +0.20 / +0.57%
             |             
            
                35.50
             |           
            
                36.00
             |               
            
                33.90
             |                           
            
                35.10
             | 
            
                35.37
             |                     
            
                22.57
             |                                 
            
                992,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/10/2016
             | 
            
                -0.20 / -0.57%
             |             
            
                31.70
             |           
            
                35.80
             |               
            
                31.70
             |                           
            
                34.90
             | 
            
                34.96
             |                     
            
                22.44
             |                                 
            
                654,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2016
             | 
            
                0.00 / 0.00%
             |             
            
                34.50
             |           
            
                36.60
             |               
            
                34.50
             |                           
            
                35.10
             | 
            
                35.87
             |                     
            
                22.57
             |                                 
            
                1,121,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |