| 
                 
                    Closing price on 6/10/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    24.00 | 
                 
                
                    | High | 
                    24.00 | 
                 
                
                    | Low | 
                    24.00 | 
                     
                
                    | Volume | 
                    200 | 
                                 
                
                    | Split-adjusted Price | 
                    8.46 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
WSB Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/10/2013
             | 
            
                +0.50 / +2.13%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                8.46
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2013
             | 
            
                +1.00 / +4.44%
             |             
            
                23.50
             |           
            
                23.50
             |               
            
                23.50
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                8.28
             |                                 
            
                2,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2013
             | 
            
                +0.40 / +1.81%
             |             
            
                22.50
             |           
            
                22.50
             |               
            
                22.50
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                7.93
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2013
             | 
            
                0.00 / 0.00%
             |             
            
                22.10
             |           
            
                22.10
             |               
            
                22.10
             |                           
            
                22.10
             | 
            
                22.10
             |                     
            
                7.79
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                22.10
             |           
            
                22.10
             |               
            
                22.10
             |                           
            
                22.10
             | 
            
                22.10
             |                     
            
                7.79
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2013
             | 
            
                0.00 / 0.00%
             |             
            
                22.10
             |           
            
                22.10
             |               
            
                22.10
             |                           
            
                22.10
             | 
            
                22.10
             |                     
            
                7.79
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2013
             | 
            
                0.00 / 0.00%
             |             
            
                22.10
             |           
            
                22.10
             |               
            
                22.10
             |                           
            
                22.10
             | 
            
                22.10
             |                     
            
                7.79
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2013
             | 
            
                -0.30 / -1.34%
             |             
            
                22.10
             |           
            
                22.10
             |               
            
                22.10
             |                           
            
                22.10
             | 
            
                22.10
             |                     
            
                7.79
             |                                 
            
                5,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2013
             | 
            
                -1.60 / -6.67%
             |             
            
                22.00
             |           
            
                22.40
             |               
            
                22.00
             |                           
            
                22.40
             | 
            
                22.10
             |                     
            
                7.90
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2013
             | 
            
                0.00 / 0.00%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                8.46
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2013
             | 
            
                +2.00 / +9.09%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                8.46
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2013
             | 
            
                0.00 / 0.00%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                7.75
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2013
             | 
            
                0.00 / 0.00%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                7.75
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2013
             | 
            
                0.00 / 0.00%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                7.75
             |                                 
            
                3,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2013
             | 
            
                0.00 / 0.00%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                7.75
             |                                 
            
                12,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2013
             | 
            
                +0.40 / +1.85%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                7.75
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2013
             | 
            
                0.00 / 0.00%
             |             
            
                21.60
             |           
            
                21.60
             |               
            
                21.60
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                7.61
             |                                 
            
                4,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2013
             | 
            
                0.00 / 0.00%
             |             
            
                21.60
             |           
            
                21.60
             |               
            
                21.60
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                7.61
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                21.70
             |           
            
                21.70
             |               
            
                21.60
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                7.61
             |                                 
            
                3,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2013
             | 
            
                -0.70 / -3.14%
             |             
            
                21.60
             |           
            
                21.60
             |               
            
                21.60
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                7.61
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2013
             | 
            
                0.00 / 0.00%
             |             
            
                22.30
             |           
            
                22.30
             |               
            
                22.30
             |                           
            
                22.30
             | 
            
                22.30
             |                     
            
                7.86
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2013
             | 
            
                -0.70 / -3.04%
             |             
            
                22.30
             |           
            
                22.30
             |               
            
                22.30
             |                           
            
                22.30
             | 
            
                22.30
             |                     
            
                7.86
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2013
             | 
            
                +0.50 / +2.22%
             |             
            
                20.50
             |           
            
                23.00
             |               
            
                20.50
             |                           
            
                23.00
             | 
            
                21.30
             |                     
            
                8.11
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                22.50
             |           
            
                22.50
             |               
            
                22.50
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                7.93
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2013
             | 
            
                +0.20 / +0.90%
             |             
            
                22.50
             |           
            
                22.50
             |               
            
                22.50
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                7.93
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2013
             | 
            
                +0.20 / +0.90%
             |             
            
                22.30
             |           
            
                22.30
             |               
            
                22.30
             |                           
            
                22.30
             | 
            
                22.30
             |                     
            
                7.86
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2013
             | 
            
                -2.10 / -8.68%
             |             
            
                22.10
             |           
            
                22.10
             |               
            
                22.10
             |                           
            
                22.10
             | 
            
                22.10
             |                     
            
                7.79
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2013
             | 
            
                0.00 / 0.00%
             |             
            
                24.20
             |           
            
                24.20
             |               
            
                24.20
             |                           
            
                24.20
             | 
            
                24.20
             |                     
            
                8.53
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2013
             | 
            
                0.00 / 0.00%
             |             
            
                24.20
             |           
            
                24.20
             |               
            
                24.20
             |                           
            
                24.20
             | 
            
                24.20
             |                     
            
                8.53
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2013
             | 
            
                0.00 / 0.00%
             |             
            
                24.20
             |           
            
                24.20
             |               
            
                24.20
             |                           
            
                24.20
             | 
            
                24.20
             |                     
            
                8.53
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |