| 
                 
                    Closing price on 1/12/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    35.50 | 
                 
                
                    | High | 
                    36.00 | 
                 
                
                    | Low | 
                    33.00 | 
                     
                
                    | Volume | 
                    48,300 | 
                                 
                
                    | Split-adjusted Price | 
                    33.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                1/12/2017
             | 
            
                -3.00 / -8.33%
             |             
            
                35.50
             |           
            
                36.00
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.75
             |                     
            
                33.00
             |                                 
            
                48,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2017
             | 
            
                +1.00 / +2.86%
             |             
            
                34.80
             |           
            
                36.00
             |               
            
                33.00
             |                           
            
                36.00
             | 
            
                35.50
             |                     
            
                36.00
             |                                 
            
                432,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/10/2017
             | 
            
                +2.00 / +6.06%
             |             
            
                31.00
             |           
            
                35.00
             |               
            
                31.00
             |                           
            
                35.00
             | 
            
                33.82
             |                     
            
                35.00
             |                                 
            
                2,393,560
             |            
            
                 
             |                                       
         
    
        
            | 
                1/9/2017
             | 
            
                +2.70 / +8.91%
             |             
            
                31.00
             |           
            
                33.00
             |               
            
                31.00
             |                           
            
                33.00
             | 
            
                32.00
             |                     
            
                33.00
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2017
             | 
            
                0.00 / 0.00%
             |             
            
                31.80
             |           
            
                32.80
             |               
            
                27.30
             |                           
            
                30.30
             | 
            
                28.88
             |                     
            
                30.30
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2017
             | 
            
                -3.20 / -9.55%
             |             
            
                32.70
             |           
            
                34.20
             |               
            
                30.30
             |                           
            
                30.30
             | 
            
                32.40
             |                     
            
                30.30
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2017
             | 
            
                +1.60 / +5.02%
             |             
            
                33.50
             |           
            
                33.50
             |               
            
                33.50
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                33.50
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/3/2017
             | 
            
                -3.00 / -8.60%
             |             
            
                35.00
             |           
            
                36.00
             |               
            
                31.90
             |                           
            
                31.90
             | 
            
                34.16
             |                     
            
                31.90
             |                                 
            
                16,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/30/2016
             | 
            
                -0.10 / -0.29%
             |             
            
                35.20
             |           
            
                35.20
             |               
            
                34.90
             |                           
            
                34.90
             | 
            
                35.02
             |                     
            
                34.90
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2016
             | 
            
                +0.60 / +1.74%
             |             
            
                34.40
             |           
            
                35.00
             |               
            
                34.40
             |                           
            
                35.00
             | 
            
                34.70
             |                     
            
                35.00
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2016
             | 
            
                +0.40 / +1.18%
             |             
            
                33.30
             |           
            
                34.40
             |               
            
                31.90
             |                           
            
                34.40
             | 
            
                32.57
             |                     
            
                34.40
             |                                 
            
                862,010
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2016
             | 
            
                +1.00 / +3.03%
             |             
            
                33.40
             |           
            
                34.00
             |               
            
                29.70
             |                           
            
                34.00
             | 
            
                31.00
             |                     
            
                34.00
             |                                 
            
                1,183,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2016
             | 
            
                -0.70 / -2.08%
             |             
            
                33.70
             |           
            
                34.50
             |               
            
                30.40
             |                           
            
                33.00
             | 
            
                32.10
             |                     
            
                33.00
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                12/23/2016
             | 
            
                -0.50 / -1.46%
             |             
            
                33.30
             |           
            
                35.00
             |               
            
                33.30
             |                           
            
                33.70
             | 
            
                33.99
             |                     
            
                33.70
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/22/2016
             | 
            
                +2.20 / +6.88%
             |             
            
                32.50
             |           
            
                34.70
             |               
            
                31.00
             |                           
            
                34.20
             | 
            
                34.51
             |                     
            
                34.20
             |                                 
            
                13,170
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2016
             | 
            
                -2.90 / -8.31%
             |             
            
                34.10
             |           
            
                34.10
             |               
            
                31.50
             |                           
            
                32.00
             | 
            
                33.81
             |                     
            
                32.00
             |                                 
            
                13,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2016
             | 
            
                -2.30 / -6.18%
             |             
            
                36.50
             |           
            
                37.10
             |               
            
                33.50
             |                           
            
                34.90
             | 
            
                35.03
             |                     
            
                34.90
             |                                 
            
                27,610
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2016
             | 
            
                -1.20 / -3.13%
             |             
            
                39.10
             |           
            
                40.00
             |               
            
                37.10
             |                           
            
                37.20
             | 
            
                37.20
             |                     
            
                37.20
             |                                 
            
                10,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/16/2016
             | 
            
                +3.40 / +9.71%
             |             
            
                34.70
             |           
            
                38.40
             |               
            
                33.90
             |                           
            
                38.40
             | 
            
                34.78
             |                     
            
                38.40
             |                                 
            
                700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/15/2016
             | 
            
                +0.70 / +2.04%
             |             
            
                34.20
             |           
            
                35.10
             |               
            
                32.90
             |                           
            
                35.00
             | 
            
                34.57
             |                     
            
                35.00
             |                                 
            
                1,570,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2016
             | 
            
                0.00 / 0.00%
             |             
            
                34.30
             |           
            
                37.70
             |               
            
                34.10
             |                           
            
                34.30
             | 
            
                34.56
             |                     
            
                34.30
             |                                 
            
                1,166,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2016
             | 
            
                0.00 / 0.00%
             |             
            
                35.50
             |           
            
                35.50
             |               
            
                31.90
             |                           
            
                34.30
             | 
            
                34.23
             |                     
            
                34.30
             |                                 
            
                62,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2016
             | 
            
                +3.10 / +9.94%
             |             
            
                34.30
             |           
            
                34.30
             |               
            
                34.30
             |                           
            
                34.30
             | 
            
                34.30
             |                     
            
                34.30
             |                                 
            
                61,520
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2016
             | 
            
                +2.80 / +9.86%
             |             
            
                31.20
             |           
            
                31.20
             |               
            
                31.20
             |                           
            
                31.20
             | 
            
                31.20
             |                     
            
                31.20
             |                                 
            
                170,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2016
             | 
            
                +2.50 / +9.65%
             |             
            
                28.40
             |           
            
                28.40
             |               
            
                28.40
             |                           
            
                28.40
             | 
            
                28.40
             |                     
            
                28.40
             |                                 
            
                581,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2016
             | 
            
                -10.80 / -29.43%
             |             
            
                25.90
             |           
            
                25.90
             |               
            
                25.90
             |                           
            
                25.90
             | 
            
                25.90
             |                     
            
                25.90
             |                                 
            
                80,477
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2016
             | 
            
                +3.30 / +9.88%
             |             
            
                33.40
             |           
            
                36.70
             |               
            
                30.10
             |                           
            
                36.70
             | 
            
                33.21
             |                     
            
                23.60
             |                                 
            
                249,300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2016
             | 
            
                -0.20 / -0.60%
             |             
            
                33.60
             |           
            
                36.80
             |               
            
                33.40
             |                           
            
                33.40
             | 
            
                34.03
             |                     
            
                21.48
             |                                 
            
                1,846,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2016
             | 
            
                +3.00 / +9.80%
             |             
            
                33.50
             |           
            
                33.60
             |               
            
                33.50
             |                           
            
                33.60
             | 
            
                33.51
             |                     
            
                21.61
             |                                 
            
                141,120
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2016
             | 
            
                +2.70 / +9.68%
             |             
            
                30.60
             |           
            
                30.60
             |               
            
                30.50
             |                           
            
                30.60
             | 
            
                30.50
             |                     
            
                19.68
             |                                 
            
                116,810
             |  
            
                 
             |                                                              
             
    
         
    
    
 |