| 
                 
                    Closing price on 9/8/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.70 | 
                 
                
                    | High | 
                    4.80 | 
                 
                
                    | Low | 
                    4.70 | 
                     
                
                    | Volume | 
                    30,200 | 
                                 
                
                    | Split-adjusted Price | 
                    2.95 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
HTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/8/2011
             | 
            
                +0.20 / +4.35%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.80
             |                     
            
                2.95
             |                                 
            
                30,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2011
             | 
            
                +0.30 / +6.98%
             |             
            
                4.40
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                2.83
             |                                 
            
                17,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2011
             | 
            
                -0.20 / -4.44%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                2.64
             |                                 
            
                2,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2011
             | 
            
                +0.10 / +2.27%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                2.77
             |                                 
            
                11,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/1/2011
             | 
            
                +0.20 / +4.76%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                2.71
             |                                 
            
                52,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2011
             | 
            
                -0.10 / -2.33%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                2.58
             |                                 
            
                10,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2011
             | 
            
                +0.10 / +2.38%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                2.64
             |                                 
            
                15,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2011
             | 
            
                +0.10 / +2.44%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                2.58
             |                                 
            
                8,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2011
             | 
            
                0.00 / 0.00%
             |             
            
                4.00
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                3,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2011
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                13,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2011
             | 
            
                +0.10 / +2.50%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                11,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2011
             | 
            
                -0.20 / -4.76%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                2.46
             |                                 
            
                11,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2011
             | 
            
                +0.20 / +5.00%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                2.58
             |                                 
            
                27,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2011
             | 
            
                -0.10 / -2.44%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                2.46
             |                                 
            
                11,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2011
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                1,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2011
             | 
            
                +0.20 / +5.13%
             |             
            
                4.00
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                12,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2011
             | 
            
                -0.10 / -2.50%
             |             
            
                3.90
             |           
            
                3.90
             |               
            
                3.90
             |                           
            
                3.90
             | 
            
                3.90
             |                     
            
                2.40
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2011
             | 
            
                0.00 / 0.00%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                2.46
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/12/2011
             | 
            
                0.00 / 0.00%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                3.90
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                2.46
             |                                 
            
                2,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/11/2011
             | 
            
                0.00 / 0.00%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                2.46
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/10/2011
             | 
            
                +0.10 / +2.56%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                2.46
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2011
             | 
            
                -0.20 / -4.88%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                3.90
             |                           
            
                3.90
             | 
            
                3.90
             |                     
            
                2.40
             |                                 
            
                7,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2011
             | 
            
                -0.10 / -2.38%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                3,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/5/2011
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                2.58
             |                                 
            
                4,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/4/2011
             | 
            
                +0.10 / +2.44%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                2.58
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/3/2011
             | 
            
                +0.10 / +2.50%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                1,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/2/2011
             | 
            
                -0.10 / -2.44%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                2.46
             |                                 
            
                6,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/1/2011
             | 
            
                -0.10 / -2.38%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                4,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2011
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                2.58
             |                                 
            
                6,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/28/2011
             | 
            
                +0.10 / +2.44%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                2.58
             |                                 
            
                1,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |