| 
                 
                    Closing price on 2/5/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.50 | 
                 
                
                    | High | 
                    7.70 | 
                 
                
                    | Low | 
                    7.50 | 
                     
                
                    | Volume | 
                    15,000 | 
                                 
                
                    | Split-adjusted Price | 
                    7.70 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
WSS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/5/2016
             | 
            
                +0.10 / +1.32%
             |             
            
                7.50
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.70
             | 
            
                7.50
             |                     
            
                7.70
             |                                 
            
                15,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/4/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.60
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                7.60
             |                                 
            
                18,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/3/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.60
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.50
             |                     
            
                7.60
             |                                 
            
                47,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/2/2016
             | 
            
                -0.10 / -1.30%
             |             
            
                7.60
             |           
            
                7.90
             |               
            
                7.40
             |                           
            
                7.60
             | 
            
                7.70
             |                     
            
                7.60
             |                                 
            
                968,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2016
             | 
            
                +0.30 / +4.05%
             |             
            
                7.40
             |           
            
                7.70
             |               
            
                7.30
             |                           
            
                7.70
             | 
            
                7.30
             |                     
            
                7.70
             |                                 
            
                107,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.40
             | 
            
                7.23
             |                     
            
                7.40
             |                                 
            
                8,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                7.40
             |                                 
            
                14,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/27/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                7.40
             |                                 
            
                2,516,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/26/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.40
             | 
            
                7.37
             |                     
            
                7.40
             |                                 
            
                13,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.39
             |                     
            
                7.40
             |                                 
            
                994,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.30
             |                     
            
                7.40
             |                                 
            
                11,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.40
             | 
            
                7.23
             |                     
            
                7.40
             |                                 
            
                21,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                7.40
             |                                 
            
                19,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2016
             | 
            
                +0.10 / +1.37%
             |             
            
                7.20
             |           
            
                7.40
             |               
            
                7.00
             |                           
            
                7.40
             | 
            
                7.16
             |                     
            
                7.40
             |                                 
            
                39,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                6.90
             |                           
            
                7.30
             | 
            
                7.15
             |                     
            
                7.30
             |                                 
            
                21,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2016
             | 
            
                +0.10 / +1.39%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                7.17
             |                     
            
                7.30
             |                                 
            
                21,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2016
             | 
            
                -0.20 / -2.70%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                6.80
             |                           
            
                7.20
             | 
            
                7.00
             |                     
            
                7.20
             |                                 
            
                161,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2016
             | 
            
                +0.10 / +1.37%
             |             
            
                7.20
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.40
             | 
            
                7.36
             |                     
            
                7.40
             |                                 
            
                57,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/12/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.10
             |                           
            
                7.30
             | 
            
                7.20
             |                     
            
                7.30
             |                                 
            
                42,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                7.30
             |                                 
            
                34,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/8/2016
             | 
            
                -0.10 / -1.35%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.00
             |                           
            
                7.30
             | 
            
                7.40
             |                     
            
                7.30
             |                                 
            
                80,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.30
             |                     
            
                7.40
             |                                 
            
                28,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2016
             | 
            
                -0.10 / -1.33%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.43
             |                     
            
                7.40
             |                                 
            
                410,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/5/2016
             | 
            
                -0.10 / -1.32%
             |             
            
                7.40
             |           
            
                7.50
             |               
            
                7.40
             |                           
            
                7.50
             | 
            
                7.45
             |                     
            
                7.50
             |                                 
            
                53,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.52
             |                     
            
                7.60
             |                                 
            
                20,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/31/2015
             | 
            
                +0.10 / +1.33%
             |             
            
                7.40
             |           
            
                7.60
             |               
            
                7.40
             |                           
            
                7.60
             | 
            
                7.42
             |                     
            
                7.60
             |                                 
            
                46,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/30/2015
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.60
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                7.50
             |                                 
            
                192,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/29/2015
             | 
            
                -0.10 / -1.32%
             |             
            
                7.50
             |           
            
                7.60
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.51
             |                     
            
                7.50
             |                                 
            
                254,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/28/2015
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.40
             |                           
            
                7.60
             | 
            
                7.51
             |                     
            
                7.60
             |                                 
            
                3,259,150
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2015
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.62
             |                     
            
                7.60
             |                                 
            
                2,068,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |