| 
                 
                    Closing price on 4/6/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    36.00 | 
                 
                
                    | High | 
                    39.00 | 
                 
                
                    | Low | 
                    36.00 | 
                     
                
                    | Volume | 
                    1,035,200 | 
                                 
                
                    | Split-adjusted Price | 
                    25.08 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/6/2016
             | 
            
                +2.40 / +6.56%
             |             
            
                36.00
             |           
            
                39.00
             |               
            
                36.00
             |                           
            
                39.00
             | 
            
                37.76
             |                     
            
                25.08
             |                                 
            
                1,035,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2016
             | 
            
                +2.60 / +7.65%
             |             
            
                34.00
             |           
            
                36.70
             |               
            
                33.60
             |                           
            
                36.60
             | 
            
                34.00
             |                     
            
                23.54
             |                                 
            
                1,086,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2016
             | 
            
                +2.30 / +7.26%
             |             
            
                31.00
             |           
            
                34.00
             |               
            
                30.70
             |                           
            
                34.00
             | 
            
                32.87
             |                     
            
                21.86
             |                                 
            
                1,194,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2016
             | 
            
                -0.10 / -0.31%
             |             
            
                31.80
             |           
            
                32.40
             |               
            
                31.60
             |                           
            
                31.70
             | 
            
                31.76
             |                     
            
                20.38
             |                                 
            
                295,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2016
             | 
            
                -0.10 / -0.31%
             |             
            
                28.80
             |           
            
                32.00
             |               
            
                28.80
             |                           
            
                31.80
             | 
            
                30.86
             |                     
            
                20.45
             |                                 
            
                348,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2016
             | 
            
                0.00 / 0.00%
             |             
            
                31.20
             |           
            
                32.00
             |               
            
                31.20
             |                           
            
                31.90
             | 
            
                31.91
             |                     
            
                20.51
             |                                 
            
                529,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2016
             | 
            
                -0.20 / -0.62%
             |             
            
                32.10
             |           
            
                32.10
             |               
            
                31.50
             |                           
            
                31.90
             | 
            
                31.92
             |                     
            
                20.51
             |                                 
            
                1,178,784
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2016
             | 
            
                +0.20 / +0.63%
             |             
            
                31.80
             |           
            
                32.50
             |               
            
                31.50
             |                           
            
                32.10
             | 
            
                32.12
             |                     
            
                20.64
             |                                 
            
                1,060,925
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2016
             | 
            
                +0.20 / +0.63%
             |             
            
                31.70
             |           
            
                32.20
             |               
            
                31.70
             |                           
            
                31.90
             | 
            
                31.88
             |                     
            
                20.51
             |                                 
            
                362,377
             |            
            
                 
             |                                       
         
    
        
            | 
                3/24/2016
             | 
            
                +0.10 / +0.32%
             |             
            
                31.60
             |           
            
                31.80
             |               
            
                31.20
             |                           
            
                31.70
             | 
            
                31.65
             |                     
            
                20.38
             |                                 
            
                779,327
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2016
             | 
            
                -0.20 / -0.63%
             |             
            
                32.00
             |           
            
                32.50
             |               
            
                31.10
             |                           
            
                31.60
             | 
            
                31.68
             |                     
            
                20.32
             |                                 
            
                446,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2016
             | 
            
                0.00 / 0.00%
             |             
            
                31.80
             |           
            
                32.40
             |               
            
                31.30
             |                           
            
                31.80
             | 
            
                31.65
             |                     
            
                20.45
             |                                 
            
                507,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2016
             | 
            
                +0.20 / +0.63%
             |             
            
                31.10
             |           
            
                31.80
             |               
            
                30.70
             |                           
            
                31.80
             | 
            
                31.73
             |                     
            
                20.45
             |                                 
            
                233,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2016
             | 
            
                -0.40 / -1.25%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                31.50
             |                           
            
                31.60
             | 
            
                31.73
             |                     
            
                20.32
             |                                 
            
                403,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/17/2016
             | 
            
                -1.00 / -3.03%
             |             
            
                32.70
             |           
            
                32.70
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.43
             |                     
            
                20.58
             |                                 
            
                329,412
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2016
             | 
            
                -0.20 / -0.60%
             |             
            
                35.50
             |           
            
                36.50
             |               
            
                33.00
             |                           
            
                33.00
             | 
            
                33.83
             |                     
            
                21.22
             |                                 
            
                604,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2016
             | 
            
                +2.00 / +6.41%
             |             
            
                31.20
             |           
            
                33.30
             |               
            
                31.20
             |                           
            
                33.20
             | 
            
                32.27
             |                     
            
                21.35
             |                                 
            
                1,084,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2016
             | 
            
                +2.80 / +9.86%
             |             
            
                28.40
             |           
            
                31.20
             |               
            
                28.00
             |                           
            
                31.20
             | 
            
                29.82
             |                     
            
                20.06
             |                                 
            
                1,344,377
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2016
             | 
            
                0.00 / 0.00%
             |             
            
                25.60
             |           
            
                28.60
             |               
            
                25.60
             |                           
            
                28.40
             | 
            
                27.56
             |                     
            
                18.26
             |                                 
            
                551,577
             |            
            
                 
             |                                       
         
    
        
            | 
                3/10/2016
             | 
            
                +0.10 / +0.35%
             |             
            
                28.30
             |           
            
                28.80
             |               
            
                27.60
             |                           
            
                28.40
             | 
            
                28.30
             |                     
            
                18.26
             |                                 
            
                531,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2016
             | 
            
                +0.10 / +0.35%
             |             
            
                27.90
             |           
            
                28.50
             |               
            
                27.90
             |                           
            
                28.30
             | 
            
                28.20
             |                     
            
                18.20
             |                                 
            
                472,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2016
             | 
            
                -0.50 / -1.74%
             |             
            
                28.70
             |           
            
                28.80
             |               
            
                28.00
             |                           
            
                28.20
             | 
            
                28.42
             |                     
            
                18.13
             |                                 
            
                629,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2016
             | 
            
                -0.80 / -2.71%
             |             
            
                29.50
             |           
            
                30.10
             |               
            
                28.70
             |                           
            
                28.70
             | 
            
                29.16
             |                     
            
                18.46
             |                                 
            
                567,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2016
             | 
            
                -0.50 / -1.67%
             |             
            
                29.70
             |           
            
                30.50
             |               
            
                29.40
             |                           
            
                29.50
             | 
            
                29.65
             |                     
            
                18.97
             |                                 
            
                644,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2016
             | 
            
                -0.70 / -2.28%
             |             
            
                30.70
             |           
            
                30.70
             |               
            
                29.50
             |                           
            
                30.00
             | 
            
                30.00
             |                     
            
                19.29
             |                                 
            
                688,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2016
             | 
            
                -0.40 / -1.29%
             |             
            
                30.90
             |           
            
                31.70
             |               
            
                30.60
             |                           
            
                30.70
             | 
            
                31.14
             |                     
            
                19.74
             |                                 
            
                913,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2016
             | 
            
                +2.40 / +8.36%
             |             
            
                28.70
             |           
            
                31.50
             |               
            
                28.70
             |                           
            
                31.10
             | 
            
                30.16
             |                     
            
                20.00
             |                                 
            
                1,564,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/29/2016
             | 
            
                +2.20 / +8.30%
             |             
            
                26.30
             |           
            
                28.70
             |               
            
                26.00
             |                           
            
                28.70
             | 
            
                27.72
             |                     
            
                18.46
             |                                 
            
                1,399,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2016
             | 
            
                +1.00 / +3.92%
             |             
            
                25.90
             |           
            
                26.60
             |               
            
                25.40
             |                           
            
                26.50
             | 
            
                26.05
             |                     
            
                17.04
             |                                 
            
                891,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2016
             | 
            
                -0.50 / -1.92%
             |             
            
                23.40
             |           
            
                26.20
             |               
            
                23.40
             |                           
            
                25.50
             | 
            
                26.00
             |                     
            
                16.40
             |                                 
            
                578,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |