| 
                 
                    Closing price on 5/24/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    34.70 | 
                 
                
                    | High | 
                    35.80 | 
                 
                
                    | Low | 
                    34.60 | 
                     
                
                    | Volume | 
                    389,100 | 
                                 
                
                    | Split-adjusted Price | 
                    22.64 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2016
             | 
            
                +0.10 / +0.29%
             |             
            
                31.70
             |           
            
                35.10
             |               
            
                31.70
             |                           
            
                35.10
             | 
            
                34.59
             |                     
            
                22.57
             |                                 
            
                603,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2016
             | 
            
                -0.50 / -1.41%
             |             
            
                34.90
             |           
            
                36.20
             |               
            
                34.60
             |                           
            
                35.00
             | 
            
                35.20
             |                     
            
                22.51
             |                                 
            
                512,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2016
             | 
            
                -2.60 / -6.82%
             |             
            
                34.30
             |           
            
                35.50
             |               
            
                34.30
             |                           
            
                35.50
             | 
            
                34.49
             |                     
            
                22.83
             |                                 
            
                1,620,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2016
             | 
            
                -4.20 / -9.93%
             |             
            
                38.10
             |           
            
                38.10
             |               
            
                38.10
             |                           
            
                38.10
             | 
            
                38.10
             |                     
            
                24.50
             |                                 
            
                262,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2016
             | 
            
                -4.70 / -10.00%
             |             
            
                46.50
             |           
            
                47.00
             |               
            
                42.30
             |                           
            
                42.30
             | 
            
                42.32
             |                     
            
                27.20
             |                                 
            
                381,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2016
             | 
            
                -0.20 / -0.42%
             |             
            
                47.20
             |           
            
                48.50
             |               
            
                46.00
             |                           
            
                47.00
             | 
            
                47.71
             |                     
            
                30.22
             |                                 
            
                1,521,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2016
             | 
            
                +3.10 / +7.03%
             |             
            
                44.50
             |           
            
                47.20
             |               
            
                44.00
             |                           
            
                47.20
             | 
            
                45.60
             |                     
            
                30.35
             |                                 
            
                1,832,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2016
             | 
            
                +3.40 / +8.35%
             |             
            
                40.30
             |           
            
                44.10
             |               
            
                40.30
             |                           
            
                44.10
             | 
            
                42.46
             |                     
            
                28.36
             |                                 
            
                1,972,593
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2016
             | 
            
                +0.30 / +0.74%
             |             
            
                40.30
             |           
            
                40.70
             |               
            
                39.50
             |                           
            
                40.70
             | 
            
                40.50
             |                     
            
                26.17
             |                                 
            
                321,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2016
             | 
            
                +0.20 / +0.50%
             |             
            
                40.90
             |           
            
                40.90
             |               
            
                39.20
             |                           
            
                40.40
             | 
            
                40.34
             |                     
            
                25.98
             |                                 
            
                296,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2016
             | 
            
                +0.10 / +0.25%
             |             
            
                40.10
             |           
            
                40.80
             |               
            
                39.50
             |                           
            
                40.20
             | 
            
                40.17
             |                     
            
                25.85
             |                                 
            
                255,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2016
             | 
            
                0.00 / 0.00%
             |             
            
                39.60
             |           
            
                40.30
             |               
            
                39.00
             |                           
            
                40.10
             | 
            
                40.16
             |                     
            
                25.79
             |                                 
            
                371,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2016
             | 
            
                -1.60 / -3.84%
             |             
            
                41.50
             |           
            
                42.00
             |               
            
                40.00
             |                           
            
                40.10
             | 
            
                40.31
             |                     
            
                25.79
             |                                 
            
                487,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2016
             | 
            
                -1.00 / -2.34%
             |             
            
                42.70
             |           
            
                42.70
             |               
            
                41.00
             |                           
            
                41.70
             | 
            
                41.94
             |                     
            
                26.82
             |                                 
            
                383,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2016
             | 
            
                -0.90 / -2.06%
             |             
            
                47.90
             |           
            
                47.90
             |               
            
                42.70
             |                           
            
                42.70
             | 
            
                43.84
             |                     
            
                27.46
             |                                 
            
                646,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2016
             | 
            
                +3.10 / +7.65%
             |             
            
                40.20
             |           
            
                43.60
             |               
            
                40.00
             |                           
            
                43.60
             | 
            
                42.12
             |                     
            
                28.04
             |                                 
            
                1,167,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2016
             | 
            
                +2.40 / +6.30%
             |             
            
                38.10
             |           
            
                40.50
             |               
            
                37.10
             |                           
            
                40.50
             | 
            
                39.40
             |                     
            
                26.04
             |                                 
            
                934,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2016
             | 
            
                -0.30 / -0.78%
             |             
            
                38.60
             |           
            
                38.60
             |               
            
                36.90
             |                           
            
                38.10
             | 
            
                38.23
             |                     
            
                24.50
             |                                 
            
                366,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |