| 
                 
                    Closing price on 7/4/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.70 | 
                 
                
                    | High | 
                    5.00 | 
                 
                
                    | Low | 
                    4.50 | 
                     
                
                    | Volume | 
                    26,900 | 
                                 
                
                    | Split-adjusted Price | 
                    2.73 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
DST Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/4/2013
             | 
            
                +0.10 / +2.04%
             |             
            
                4.70
             |           
            
                5.00
             |               
            
                4.50
             |                           
            
                5.00
             | 
            
                5.00
             |                     
            
                2.73
             |                                 
            
                26,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/3/2013
             | 
            
                -0.50 / -9.26%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.90
             |                           
            
                4.90
             | 
            
                4.90
             |                     
            
                2.67
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/2/2013
             | 
            
                0.00 / 0.00%
             |             
            
                4.90
             |           
            
                5.40
             |               
            
                4.90
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                2.95
             |                                 
            
                7,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/1/2013
             | 
            
                +0.10 / +1.89%
             |             
            
                5.40
             |           
            
                5.40
             |               
            
                5.40
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                2.95
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/28/2013
             | 
            
                -0.10 / -1.85%
             |             
            
                5.20
             |           
            
                5.30
             |               
            
                4.90
             |                           
            
                5.30
             | 
            
                5.30
             |                     
            
                2.89
             |                                 
            
                4,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/27/2013
             | 
            
                -0.60 / -10.00%
             |             
            
                5.40
             |           
            
                5.40
             |               
            
                5.40
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                2.95
             |                                 
            
                7,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/26/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                3.27
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/25/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                3.27
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/24/2013
             | 
            
                +0.30 / +5.26%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                3.27
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/21/2013
             | 
            
                +0.30 / +5.56%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                4.90
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                3.11
             |                                 
            
                12,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/20/2013
             | 
            
                -0.50 / -8.47%
             |             
            
                5.40
             |           
            
                5.40
             |               
            
                5.40
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                2.95
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2013
             | 
            
                -0.10 / -1.67%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                3.22
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                3.27
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/17/2013
             | 
            
                +0.20 / +3.45%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.00
             |                     
            
                3.27
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2013
             | 
            
                0.00 / 0.00%
             |             
            
                5.80
             |           
            
                5.80
             |               
            
                5.80
             |                           
            
                5.80
             | 
            
                5.80
             |                     
            
                3.17
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2013
             | 
            
                +0.20 / +3.57%
             |             
            
                5.80
             |           
            
                5.80
             |               
            
                5.80
             |                           
            
                5.80
             | 
            
                5.80
             |                     
            
                3.17
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2013
             | 
            
                0.00 / 0.00%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                3.06
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2013
             | 
            
                -0.10 / -1.75%
             |             
            
                5.80
             |           
            
                5.80
             |               
            
                5.20
             |                           
            
                5.60
             | 
            
                5.60
             |                     
            
                3.06
             |                                 
            
                7,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/10/2013
             | 
            
                +0.30 / +5.56%
             |             
            
                5.80
             |           
            
                5.80
             |               
            
                4.90
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                3.11
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2013
             | 
            
                -0.50 / -8.47%
             |             
            
                5.40
             |           
            
                5.40
             |               
            
                5.40
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                2.95
             |                                 
            
                40,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2013
             | 
            
                +0.50 / +9.26%
             |             
            
                5.40
             |           
            
                5.90
             |               
            
                5.40
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                3.22
             |                                 
            
                16,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2013
             | 
            
                -0.50 / -8.47%
             |             
            
                5.40
             |           
            
                5.40
             |               
            
                5.40
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                2.95
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                3.22
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2013
             | 
            
                +0.10 / +1.72%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                3.22
             |                                 
            
                6,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2013
             | 
            
                +0.50 / +9.43%
             |             
            
                4.80
             |           
            
                5.80
             |               
            
                4.80
             |                           
            
                5.80
             | 
            
                5.80
             |                     
            
                3.17
             |                                 
            
                17,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2013
             | 
            
                0.00 / 0.00%
             |             
            
                5.30
             |           
            
                5.30
             |               
            
                5.30
             |                           
            
                5.30
             | 
            
                5.30
             |                     
            
                2.89
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2013
             | 
            
                -0.10 / -1.85%
             |             
            
                5.30
             |           
            
                5.30
             |               
            
                5.30
             |                           
            
                5.30
             | 
            
                5.30
             |                     
            
                2.89
             |                                 
            
                3,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2013
             | 
            
                +0.30 / +5.88%
             |             
            
                5.00
             |           
            
                5.40
             |               
            
                4.60
             |                           
            
                5.40
             | 
            
                5.40
             |                     
            
                2.95
             |                                 
            
                7,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2013
             | 
            
                +0.20 / +4.08%
             |             
            
                4.50
             |           
            
                5.10
             |               
            
                4.50
             |                           
            
                5.10
             | 
            
                5.10
             |                     
            
                2.78
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2013
             | 
            
                +0.20 / +4.26%
             |             
            
                4.70
             |           
            
                4.90
             |               
            
                4.50
             |                           
            
                4.90
             | 
            
                4.90
             |                     
            
                2.67
             |                                 
            
                10,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |