| 
                 
                    Closing price on 3/29/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    2.20 | 
                 
                
                    | High | 
                    2.30 | 
                 
                
                    | Low | 
                    2.20 | 
                     
                
                    | Volume | 
                    17,400 | 
                                 
                
                    | Split-adjusted Price | 
                    2.30 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
V15 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/29/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.20
             |           
            
                2.30
             |               
            
                2.20
             |                           
            
                2.30
             | 
            
                2.30
             |                     
            
                2.30
             |                                 
            
                17,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.20
             |           
            
                2.40
             |               
            
                2.20
             |                           
            
                2.30
             | 
            
                2.30
             |                     
            
                2.30
             |                                 
            
                23,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2013
             | 
            
                -0.10 / -4.17%
             |             
            
                2.20
             |           
            
                2.30
             |               
            
                2.20
             |                           
            
                2.30
             | 
            
                2.30
             |                     
            
                2.30
             |                                 
            
                77,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2013
             | 
            
                -0.20 / -7.69%
             |             
            
                2.40
             |           
            
                2.50
             |               
            
                2.40
             |                           
            
                2.40
             | 
            
                2.40
             |                     
            
                2.40
             |                                 
            
                60,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2013
             | 
            
                -0.20 / -7.14%
             |             
            
                2.70
             |           
            
                2.70
             |               
            
                2.60
             |                           
            
                2.60
             | 
            
                2.60
             |                     
            
                2.60
             |                                 
            
                57,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                10,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2013
             | 
            
                +0.10 / +3.70%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.60
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                24,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2013
             | 
            
                -0.10 / -3.57%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                2.70
             |                                 
            
                53,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2013
             | 
            
                -0.10 / -3.45%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2013
             | 
            
                +0.10 / +3.57%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.80
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                12,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2013
             | 
            
                +0.10 / +3.70%
             |             
            
                2.70
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.80
             | 
            
                2.70
             |                     
            
                2.80
             |                                 
            
                66,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2013
             | 
            
                -0.10 / -3.57%
             |             
            
                2.80
             |           
            
                2.80
             |               
            
                2.70
             |                           
            
                2.70
             | 
            
                2.70
             |                     
            
                2.70
             |                                 
            
                11,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2013
             | 
            
                -0.20 / -6.67%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.80
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                37,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2013
             | 
            
                +0.10 / +3.45%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                59,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.80
             |           
            
                3.00
             |               
            
                2.70
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                150,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                21,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2013
             | 
            
                0.00 / 0.00%
             |             
            
                2.90
             |           
            
                2.90
             |               
            
                2.80
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                35,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2013
             | 
            
                +0.10 / +3.57%
             |             
            
                2.80
             |           
            
                2.90
             |               
            
                2.80
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                75,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2013
             | 
            
                -0.10 / -3.45%
             |             
            
                2.80
             |           
            
                2.90
             |               
            
                2.70
             |                           
            
                2.80
             | 
            
                2.80
             |                     
            
                2.80
             |                                 
            
                83,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2013
             | 
            
                -0.10 / -3.33%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                2.80
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                78,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2013
             | 
            
                -0.10 / -3.23%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                2.80
             |                           
            
                3.00
             | 
            
                3.10
             |                     
            
                3.00
             |                                 
            
                104,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2013
             | 
            
                -0.30 / -8.82%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                91,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2013
             | 
            
                -0.10 / -2.86%
             |             
            
                3.20
             |           
            
                3.40
             |               
            
                3.20
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.40
             |                                 
            
                33,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2013
             | 
            
                +0.20 / +6.06%
             |             
            
                3.60
             |           
            
                3.60
             |               
            
                3.30
             |                           
            
                3.50
             | 
            
                3.50
             |                     
            
                3.50
             |                                 
            
                612,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2013
             | 
            
                +0.30 / +10.00%
             |             
            
                3.10
             |           
            
                3.30
             |               
            
                3.00
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.30
             |                                 
            
                285,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/22/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                2.90
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                68,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2013
             | 
            
                -0.30 / -9.09%
             |             
            
                3.10
             |           
            
                3.30
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                128,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/20/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.20
             |           
            
                3.30
             |               
            
                3.10
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.30
             |                                 
            
                55,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2013
             | 
            
                +0.10 / +3.13%
             |             
            
                3.10
             |           
            
                3.30
             |               
            
                3.10
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.30
             |                                 
            
                114,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2013
             | 
            
                +0.10 / +3.23%
             |             
            
                3.10
             |           
            
                3.30
             |               
            
                3.00
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.20
             |                                 
            
                78,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |