| 
                 
                    Closing price on 10/17/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.90 | 
                 
                
                    | High | 
                    4.90 | 
                 
                
                    | Low | 
                    4.90 | 
                     
                
                    | Volume | 
                    48,800 | 
                                 
                
                    | Split-adjusted Price | 
                    4.90 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
WSS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/17/2016
             | 
            
                -0.10 / -2.00%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.90
             |                           
            
                4.90
             | 
            
                4.90
             |                     
            
                4.90
             |                                 
            
                48,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/14/2016
             | 
            
                +0.10 / +2.04%
             |             
            
                4.90
             |           
            
                5.20
             |               
            
                4.70
             |                           
            
                5.00
             | 
            
                4.97
             |                     
            
                5.00
             |                                 
            
                2,574,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/13/2016
             | 
            
                +0.10 / +2.08%
             |             
            
                4.80
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.90
             | 
            
                4.76
             |                     
            
                4.90
             |                                 
            
                145,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2016
             | 
            
                +0.20 / +4.35%
             |             
            
                4.70
             |           
            
                4.90
             |               
            
                4.60
             |                           
            
                4.80
             | 
            
                4.66
             |                     
            
                4.80
             |                                 
            
                190,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2016
             | 
            
                -0.10 / -2.13%
             |             
            
                4.80
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.70
             |                     
            
                4.60
             |                                 
            
                261,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2016
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.61
             |                     
            
                4.70
             |                                 
            
                11,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/7/2016
             | 
            
                +0.10 / +2.17%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.67
             |                     
            
                4.70
             |                                 
            
                98,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2016
             | 
            
                0.00 / 0.00%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.59
             |                     
            
                4.60
             |                                 
            
                98,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2016
             | 
            
                +0.10 / +2.22%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.51
             |                     
            
                4.60
             |                                 
            
                104,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2016
             | 
            
                -0.20 / -4.26%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.52
             |                     
            
                4.50
             |                                 
            
                425,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2016
             | 
            
                0.00 / 0.00%
             |             
            
                4.80
             |           
            
                4.80
             |               
            
                4.50
             |                           
            
                4.70
             | 
            
                4.67
             |                     
            
                4.70
             |                                 
            
                52,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/30/2016
             | 
            
                -0.10 / -2.08%
             |             
            
                4.80
             |           
            
                4.90
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.75
             |                     
            
                4.70
             |                                 
            
                33,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/29/2016
             | 
            
                +0.20 / +4.35%
             |             
            
                4.80
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.72
             |                     
            
                4.80
             |                                 
            
                34,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2016
             | 
            
                -0.30 / -6.12%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.71
             |                     
            
                4.60
             |                                 
            
                31,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2016
             | 
            
                +0.30 / +6.52%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.80
             |                           
            
                4.90
             | 
            
                4.85
             |                     
            
                4.90
             |                                 
            
                30,500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2016
             | 
            
                -0.40 / -8.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.90
             |                     
            
                4.60
             |                                 
            
                30,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2016
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.90
             |                           
            
                5.00
             | 
            
                5.00
             |                     
            
                5.00
             |                                 
            
                23,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2016
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.10
             |               
            
                4.90
             |                           
            
                5.00
             | 
            
                5.09
             |                     
            
                5.00
             |                                 
            
                1,010,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2016
             | 
            
                0.00 / 0.00%
             |             
            
                5.20
             |           
            
                5.50
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.27
             |                     
            
                5.00
             |                                 
            
                87,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2016
             | 
            
                +0.20 / +4.17%
             |             
            
                5.10
             |           
            
                5.10
             |               
            
                4.90
             |                           
            
                5.00
             | 
            
                4.99
             |                     
            
                5.00
             |                                 
            
                74,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2016
             | 
            
                +0.10 / +2.13%
             |             
            
                4.70
             |           
            
                5.00
             |               
            
                4.50
             |                           
            
                4.80
             | 
            
                4.78
             |                     
            
                4.80
             |                                 
            
                60,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2016
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.70
             | 
            
                4.63
             |                     
            
                4.70
             |                                 
            
                34,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2016
             | 
            
                +0.10 / +2.17%
             |             
            
                4.50
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.70
             | 
            
                4.53
             |                     
            
                4.70
             |                                 
            
                80,100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2016
             | 
            
                +0.10 / +2.22%
             |             
            
                4.40
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.60
             | 
            
                4.40
             |                     
            
                4.60
             |                                 
            
                116,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2016
             | 
            
                +0.20 / +4.65%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.41
             |                     
            
                4.50
             |                                 
            
                29,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2016
             | 
            
                -0.40 / -8.51%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.40
             |                     
            
                4.30
             |                                 
            
                100,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2016
             | 
            
                +0.20 / +4.44%
             |             
            
                4.40
             |           
            
                4.70
             |               
            
                4.40
             |                           
            
                4.70
             | 
            
                4.47
             |                     
            
                4.70
             |                                 
            
                10,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2016
             | 
            
                +0.10 / +2.27%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.41
             |                     
            
                4.50
             |                                 
            
                1,431,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2016
             | 
            
                0.00 / 0.00%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                4.40
             |                                 
            
                8,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2016
             | 
            
                +0.20 / +4.76%
             |             
            
                4.20
             |           
            
                4.60
             |               
            
                4.20
             |                           
            
                4.40
             | 
            
                4.47
             |                     
            
                4.40
             |                                 
            
                83,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |