| 
                 
                    Closing price on 3/9/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    5.10 | 
                 
                
                    | High | 
                    5.10 | 
                 
                
                    | Low | 
                    5.00 | 
                     
                
                    | Volume | 
                    98,000 | 
                                 
                
                    | Split-adjusted Price | 
                    3.14 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
HTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/9/2012
             | 
            
                +0.30 / +6.25%
             |             
            
                5.10
             |           
            
                5.10
             |               
            
                5.00
             |                           
            
                5.10
             | 
            
                5.10
             |                     
            
                3.14
             |                                 
            
                98,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2012
             | 
            
                +0.20 / +4.35%
             |             
            
                4.60
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.80
             | 
            
                4.80
             |                     
            
                2.95
             |                                 
            
                38,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2012
             | 
            
                +0.10 / +2.22%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                2.83
             |                                 
            
                4,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2012
             | 
            
                -0.10 / -2.17%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                2.77
             |                                 
            
                19,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2012
             | 
            
                +0.30 / +6.98%
             |             
            
                4.40
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                2.83
             |                                 
            
                25,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                2.64
             |                                 
            
                8,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2012
             | 
            
                -0.10 / -2.27%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                2.64
             |                                 
            
                1,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/29/2012
             | 
            
                +0.10 / +2.33%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                2.71
             |                                 
            
                8,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                2.64
             |                                 
            
                6,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2012
             | 
            
                +0.10 / +2.38%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                2.64
             |                                 
            
                19,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                2.58
             |                                 
            
                27,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2012
             | 
            
                +0.10 / +2.44%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                2.58
             |                                 
            
                18,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2012
             | 
            
                +0.10 / +2.50%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                13,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2012
             | 
            
                -0.20 / -4.76%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                2.46
             |                                 
            
                9,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/20/2012
             | 
            
                +0.10 / +2.44%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                2.58
             |                                 
            
                16,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/17/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                13,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/16/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                5,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/15/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                5,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/14/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                5,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2012
             | 
            
                +0.10 / +2.50%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/10/2012
             | 
            
                -0.10 / -2.44%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                2.46
             |                                 
            
                4,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2012
             | 
            
                +0.10 / +2.50%
             |             
            
                4.00
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                14,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2012
             | 
            
                -0.10 / -2.44%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                2.46
             |                                 
            
                17,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                3,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.00
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                3,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2012
             | 
            
                +0.10 / +2.50%
             |             
            
                4.00
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                2.52
             |                                 
            
                6,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                2.46
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2012
             | 
            
                +0.10 / +2.56%
             |             
            
                4.00
             |           
            
                4.10
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                2.46
             |                                 
            
                2,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2012
             | 
            
                -0.10 / -2.50%
             |             
            
                3.90
             |           
            
                4.00
             |               
            
                3.90
             |                           
            
                3.90
             | 
            
                3.90
             |                     
            
                2.40
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |