| 
                 
                    Closing price on 2/22/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    3.10 | 
                 
                
                    | High | 
                    3.10 | 
                 
                
                    | Low | 
                    2.90 | 
                     
                
                    | Volume | 
                    68,900 | 
                                 
                
                    | Split-adjusted Price | 
                    3.00 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
V15 Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                13,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/7/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.20
             |           
            
                3.20
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                29,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/6/2013
             | 
            
                +0.10 / +3.33%
             |             
            
                3.00
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                39,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/5/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                38,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.20
             |           
            
                3.20
             |               
            
                2.90
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                3,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2013
             | 
            
                +0.10 / +3.45%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                2.80
             |                           
            
                3.00
             | 
            
                2.90
             |                     
            
                3.00
             |                                 
            
                24,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/31/2013
             | 
            
                -0.10 / -3.33%
             |             
            
                2.90
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                12,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/30/2013
             | 
            
                +0.10 / +3.45%
             |             
            
                3.00
             |           
            
                3.00
             |               
            
                2.90
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                54,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2013
             | 
            
                -0.10 / -3.33%
             |             
            
                2.80
             |           
            
                3.10
             |               
            
                2.80
             |                           
            
                2.90
             | 
            
                2.90
             |                     
            
                2.90
             |                                 
            
                65,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2013
             | 
            
                -0.20 / -6.25%
             |             
            
                3.20
             |           
            
                3.20
             |               
            
                3.00
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                100,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2013
             | 
            
                +0.10 / +3.23%
             |             
            
                3.20
             |           
            
                3.20
             |               
            
                3.00
             |                           
            
                3.20
             | 
            
                3.10
             |                     
            
                3.20
             |                                 
            
                34,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2013
             | 
            
                +0.10 / +3.33%
             |             
            
                2.90
             |           
            
                3.10
             |               
            
                2.80
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                35,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/23/2013
             | 
            
                -0.10 / -3.23%
             |             
            
                3.20
             |           
            
                3.20
             |               
            
                2.80
             |                           
            
                3.00
             | 
            
                3.00
             |                     
            
                3.00
             |                                 
            
                73,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2013
             | 
            
                -0.10 / -3.13%
             |             
            
                3.20
             |           
            
                3.30
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                52,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2013
             | 
            
                -0.10 / -3.03%
             |             
            
                3.30
             |           
            
                3.30
             |               
            
                3.20
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.20
             |                                 
            
                37,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2013
             | 
            
                -0.10 / -2.94%
             |             
            
                3.40
             |           
            
                3.40
             |               
            
                3.20
             |                           
            
                3.30
             | 
            
                3.40
             |                     
            
                3.30
             |                                 
            
                65,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2013
             | 
            
                -0.20 / -5.56%
             |             
            
                3.50
             |           
            
                3.60
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.40
             |                                 
            
                186,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/16/2013
             | 
            
                +0.10 / +2.86%
             |             
            
                3.60
             |           
            
                3.80
             |               
            
                3.60
             |                           
            
                3.60
             | 
            
                3.60
             |                     
            
                3.60
             |                                 
            
                130,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2013
             | 
            
                +0.20 / +6.06%
             |             
            
                3.30
             |           
            
                3.50
             |               
            
                3.20
             |                           
            
                3.50
             | 
            
                3.50
             |                     
            
                3.50
             |                                 
            
                229,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2013
             | 
            
                +0.10 / +3.13%
             |             
            
                3.10
             |           
            
                3.30
             |               
            
                3.10
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.30
             |                                 
            
                113,600
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2013
             | 
            
                0.00 / 0.00%
             |             
            
                3.20
             |           
            
                3.40
             |               
            
                3.10
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.20
             |                                 
            
                31,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/10/2013
             | 
            
                +0.10 / +3.23%
             |             
            
                3.10
             |           
            
                3.20
             |               
            
                3.00
             |                           
            
                3.20
             | 
            
                3.20
             |                     
            
                3.20
             |                                 
            
                46,650
             |            
            
                 
             |                                       
         
    
        
            | 
                1/9/2013
             | 
            
                -0.30 / -8.82%
             |             
            
                3.30
             |           
            
                3.40
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.10
             |                     
            
                3.10
             |                                 
            
                363,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/8/2013
             | 
            
                +0.10 / +3.03%
             |             
            
                3.30
             |           
            
                3.40
             |               
            
                3.10
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.40
             |                                 
            
                104,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2013
             | 
            
                -0.20 / -5.71%
             |             
            
                3.50
             |           
            
                3.50
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                3.30
             |                                 
            
                215,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |