| 
                 
                    Closing price on 2/16/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    25.30 | 
                 
                
                    | High | 
                    25.30 | 
                 
                
                    | Low | 
                    22.90 | 
                     
                
                    | Volume | 
                    1,153,100 | 
                                 
                
                    | Split-adjusted Price | 
                    22.90 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/16/2017
             | 
            
                -2.50 / -9.84%
             |             
            
                25.30
             |           
            
                25.30
             |               
            
                22.90
             |                           
            
                22.90
             | 
            
                22.90
             |                     
            
                22.90
             |                                 
            
                1,153,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/15/2017
             | 
            
                +2.30 / +9.96%
             |             
            
                22.90
             |           
            
                25.40
             |               
            
                20.80
             |                           
            
                25.40
             | 
            
                25.14
             |                     
            
                25.40
             |                                 
            
                2,322,919
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/14/2017
             | 
            
                +2.10 / +10.00%
             |             
            
                22.00
             |           
            
                23.10
             |               
            
                21.00
             |                           
            
                23.10
             | 
            
                23.09
             |                     
            
                23.10
             |                                 
            
                1,500,412
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2017
             | 
            
                -1.90 / -8.30%
             |             
            
                22.50
             |           
            
                23.40
             |               
            
                21.00
             |                           
            
                21.00
             | 
            
                22.90
             |                     
            
                21.00
             |                                 
            
                12,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/10/2017
             | 
            
                -0.40 / -1.72%
             |             
            
                24.90
             |           
            
                24.90
             |               
            
                22.90
             |                           
            
                22.90
             | 
            
                23.22
             |                     
            
                22.90
             |                                 
            
                13,712
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2017
             | 
            
                -0.80 / -3.32%
             |             
            
                24.50
             |           
            
                24.50
             |               
            
                22.10
             |                           
            
                23.30
             | 
            
                23.25
             |                     
            
                23.30
             |                                 
            
                19,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2017
             | 
            
                0.00 / 0.00%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                24.10
             |                           
            
                24.10
             | 
            
                24.57
             |                     
            
                24.10
             |                                 
            
                33,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2017
             | 
            
                +1.00 / +4.33%
             |             
            
                23.10
             |           
            
                24.80
             |               
            
                23.10
             |                           
            
                24.10
             | 
            
                24.12
             |                     
            
                24.10
             |                                 
            
                12,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2017
             | 
            
                -0.90 / -3.75%
             |             
            
                24.20
             |           
            
                24.20
             |               
            
                23.10
             |                           
            
                23.10
             | 
            
                23.21
             |                     
            
                23.10
             |                                 
            
                10,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2017
             | 
            
                -0.50 / -2.04%
             |             
            
                24.50
             |           
            
                25.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.21
             |                     
            
                24.00
             |                                 
            
                14,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2017
             | 
            
                +0.60 / +2.51%
             |             
            
                25.50
             |           
            
                25.50
             |               
            
                24.50
             |                           
            
                24.50
             | 
            
                24.51
             |                     
            
                24.50
             |                                 
            
                10,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2017
             | 
            
                -1.90 / -7.36%
             |             
            
                26.00
             |           
            
                28.30
             |               
            
                23.90
             |                           
            
                23.90
             | 
            
                27.44
             |                     
            
                23.90
             |                                 
            
                49,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2017
             | 
            
                +1.20 / +4.88%
             |             
            
                23.80
             |           
            
                25.80
             |               
            
                23.80
             |                           
            
                25.80
             | 
            
                25.78
             |                     
            
                25.80
             |                                 
            
                11,430
             |            
            
                 
             |                                       
         
    
        
            | 
                1/23/2017
             | 
            
                +1.40 / +6.03%
             |             
            
                23.00
             |           
            
                24.60
             |               
            
                22.00
             |                           
            
                24.60
             | 
            
                22.83
             |                     
            
                24.60
             |                                 
            
                37,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2017
             | 
            
                +0.90 / +4.04%
             |             
            
                23.00
             |           
            
                23.20
             |               
            
                21.70
             |                           
            
                23.20
             | 
            
                21.98
             |                     
            
                23.20
             |                                 
            
                13,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2017
             | 
            
                -2.40 / -9.72%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                22.30
             |                           
            
                22.30
             | 
            
                22.98
             |                     
            
                22.30
             |                                 
            
                21,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2017
             | 
            
                -0.50 / -1.98%
             |             
            
                25.20
             |           
            
                25.20
             |               
            
                22.70
             |                           
            
                24.70
             | 
            
                25.16
             |                     
            
                24.70
             |                                 
            
                24,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2017
             | 
            
                -2.40 / -8.70%
             |             
            
                27.40
             |           
            
                29.00
             |               
            
                25.20
             |                           
            
                25.20
             | 
            
                25.34
             |                     
            
                25.20
             |                                 
            
                20,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/16/2017
             | 
            
                -2.50 / -8.31%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                27.40
             |                           
            
                27.60
             | 
            
                27.94
             |                     
            
                27.60
             |                                 
            
                32,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2017
             | 
            
                -2.90 / -8.79%
             |             
            
                33.00
             |           
            
                33.60
             |               
            
                30.10
             |                           
            
                30.10
             | 
            
                33.00
             |                     
            
                30.10
             |                                 
            
                29,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |