| 
                 
                    Closing price on 12/8/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.80 | 
                 
                
                    | High | 
                    7.80 | 
                 
                
                    | Low | 
                    7.70 | 
                     
                
                    | Volume | 
                    150,600 | 
                                 
                
                    | Split-adjusted Price | 
                    7.80 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
WSS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/8/2015
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.71
             |                     
            
                7.80
             |                                 
            
                150,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2015
             | 
            
                -0.10 / -1.27%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.79
             |                     
            
                7.80
             |                                 
            
                259,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/4/2015
             | 
            
                -0.10 / -1.25%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.82
             |                     
            
                7.90
             |                                 
            
                376,400
             |            
            
                 
             |                                       
         
    
        
            | 
                12/3/2015
             | 
            
                +0.20 / +2.56%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                8.00
             | 
            
                7.81
             |                     
            
                8.00
             |                                 
            
                447,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2015
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.60
             |                           
            
                7.80
             | 
            
                7.71
             |                     
            
                7.80
             |                                 
            
                371,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2015
             | 
            
                -0.10 / -1.27%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.84
             |                     
            
                7.80
             |                                 
            
                764,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2015
             | 
            
                +0.20 / +2.60%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.85
             |                     
            
                7.90
             |                                 
            
                202,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/27/2015
             | 
            
                -0.10 / -1.28%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.80
             |                     
            
                7.70
             |                                 
            
                219,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/26/2015
             | 
            
                -0.10 / -1.27%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                7.80
             |                                 
            
                172,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2015
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.80
             |                     
            
                7.90
             |                                 
            
                230,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2015
             | 
            
                -0.10 / -1.25%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.82
             |                     
            
                7.90
             |                                 
            
                606,700
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2015
             | 
            
                +0.10 / +1.27%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                7.84
             |                     
            
                8.00
             |                                 
            
                553,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/20/2015
             | 
            
                -0.10 / -1.25%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.83
             |                     
            
                7.90
             |                                 
            
                2,431,900
             |            
            
                 
             |                                       
         
    
        
            | 
                11/19/2015
             | 
            
                +0.10 / +1.27%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                7.89
             |                     
            
                8.00
             |                                 
            
                879,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/18/2015
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.85
             |                     
            
                7.90
             |                                 
            
                970,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2015
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.77
             |                     
            
                7.90
             |                                 
            
                732,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2015
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.79
             |                     
            
                7.90
             |                                 
            
                857,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/13/2015
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.82
             |                     
            
                7.90
             |                                 
            
                627,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/12/2015
             | 
            
                -0.10 / -1.25%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.88
             |                     
            
                7.90
             |                                 
            
                758,600
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2015
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                8.00
             | 
            
                7.82
             |                     
            
                8.00
             |                                 
            
                736,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/10/2015
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                7.90
             |                     
            
                8.00
             |                                 
            
                624,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/9/2015
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                7.90
             |                     
            
                8.00
             |                                 
            
                626,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/6/2015
             | 
            
                -0.10 / -1.23%
             |             
            
                8.00
             |           
            
                8.10
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                7.92
             |                     
            
                8.00
             |                                 
            
                575,300
             |            
            
                 
             |                                       
         
    
        
            | 
                11/5/2015
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.10
             |               
            
                7.80
             |                           
            
                8.10
             | 
            
                7.93
             |                     
            
                8.10
             |                                 
            
                630,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/4/2015
             | 
            
                0.00 / 0.00%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                7.80
             |                           
            
                8.10
             | 
            
                7.93
             |                     
            
                8.10
             |                                 
            
                671,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/3/2015
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.10
             |               
            
                7.80
             |                           
            
                8.10
             | 
            
                7.91
             |                     
            
                8.10
             |                                 
            
                647,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/2/2015
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.10
             |               
            
                7.90
             |                           
            
                8.10
             | 
            
                7.97
             |                     
            
                8.10
             |                                 
            
                400,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/30/2015
             | 
            
                -0.10 / -1.22%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                7.90
             |                           
            
                8.10
             | 
            
                8.00
             |                     
            
                8.10
             |                                 
            
                196,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/29/2015
             | 
            
                0.00 / 0.00%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                7.90
             |                           
            
                8.20
             | 
            
                8.06
             |                     
            
                8.20
             |                                 
            
                241,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/28/2015
             | 
            
                0.00 / 0.00%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                7.90
             |                           
            
                8.20
             | 
            
                8.02
             |                     
            
                8.20
             |                                 
            
                250,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |