| 
                 
                    Closing price on 6/2/2010
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    20.50 | 
                 
                
                    | High | 
                    21.00 | 
                 
                
                    | Low | 
                    19.90 | 
                     
                
                    | Volume | 
                    38,000 | 
                                 
                
                    | Split-adjusted Price | 
                    8.30 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
HTP Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/2/2010
             | 
            
                -0.80 / -3.76%
             |             
            
                20.50
             |           
            
                21.00
             |               
            
                19.90
             |                           
            
                20.50
             | 
            
                20.50
             |                     
            
                8.30
             |                                 
            
                38,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2010
             | 
            
                -1.30 / -5.75%
             |             
            
                21.30
             |           
            
                22.00
             |               
            
                21.30
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                8.62
             |                                 
            
                27,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2010
             | 
            
                -2.20 / -8.87%
             |             
            
                24.10
             |           
            
                24.10
             |               
            
                22.60
             |                           
            
                22.60
             | 
            
                22.60
             |                     
            
                9.15
             |                                 
            
                14,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2010
             | 
            
                +1.40 / +5.98%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                23.40
             |                           
            
                24.80
             | 
            
                24.80
             |                     
            
                10.04
             |                                 
            
                59,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2010
             | 
            
                +0.40 / +1.74%
             |             
            
                23.40
             |           
            
                23.40
             |               
            
                23.40
             |                           
            
                23.40
             | 
            
                23.40
             |                     
            
                9.47
             |                                 
            
                39,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/26/2010
             | 
            
                0.00 / 0.00%
             |             
            
                22.90
             |           
            
                24.00
             |               
            
                21.40
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                9.31
             |                                 
            
                190,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2010
             | 
            
                -2.00 / -8.00%
             |             
            
                23.00
             |           
            
                23.10
             |               
            
                23.00
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                9.31
             |                                 
            
                42,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2010
             | 
            
                +0.60 / +2.46%
             |             
            
                25.80
             |           
            
                25.90
             |               
            
                24.10
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                10.12
             |                                 
            
                8,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2010
             | 
            
                -1.70 / -6.51%
             |             
            
                24.40
             |           
            
                26.90
             |               
            
                24.40
             |                           
            
                24.40
             | 
            
                24.40
             |                     
            
                9.88
             |                                 
            
                54,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2010
             | 
            
                -0.50 / -1.88%
             |             
            
                24.20
             |           
            
                27.50
             |               
            
                24.10
             |                           
            
                26.10
             | 
            
                26.10
             |                     
            
                10.56
             |                                 
            
                32,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/19/2010
             | 
            
                +1.70 / +6.83%
             |             
            
                26.00
             |           
            
                26.60
             |               
            
                23.20
             |                           
            
                26.60
             | 
            
                26.60
             |                     
            
                10.77
             |                                 
            
                95,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2010
             | 
            
                +1.60 / +6.87%
             |             
            
                24.90
             |           
            
                24.90
             |               
            
                24.90
             |                           
            
                24.90
             | 
            
                24.90
             |                     
            
                10.08
             |                                 
            
                61,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2010
             | 
            
                +1.70 / +7.87%
             |             
            
                23.20
             |           
            
                23.30
             |               
            
                23.10
             |                           
            
                23.30
             | 
            
                23.30
             |                     
            
                9.43
             |                                 
            
                31,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2010
             | 
            
                -0.50 / -2.26%
             |             
            
                21.60
             |           
            
                23.00
             |               
            
                21.60
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                8.74
             |                                 
            
                59,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2010
             | 
            
                -1.80 / -7.53%
             |             
            
                25.30
             |           
            
                25.30
             |               
            
                22.10
             |                           
            
                22.10
             | 
            
                22.10
             |                     
            
                8.94
             |                                 
            
                105,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2010
             | 
            
                +1.50 / +6.70%
             |             
            
                23.90
             |           
            
                23.90
             |               
            
                22.40
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                9.67
             |                                 
            
                211,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/11/2010
             | 
            
                +1.40 / +6.67%
             |             
            
                22.40
             |           
            
                22.40
             |               
            
                22.40
             |                           
            
                22.40
             | 
            
                22.40
             |                     
            
                9.07
             |                                 
            
                5,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2010
             | 
            
                +1.30 / +6.60%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                21.00
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                8.50
             |                                 
            
                9,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2010
             | 
            
                +1.20 / +6.49%
             |             
            
                19.70
             |           
            
                19.70
             |               
            
                18.80
             |                           
            
                19.70
             | 
            
                19.70
             |                     
            
                7.97
             |                                 
            
                202,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2010
             | 
            
                +1.20 / +6.94%
             |             
            
                18.50
             |           
            
                18.50
             |               
            
                18.50
             |                           
            
                18.50
             | 
            
                18.50
             |                     
            
                7.49
             |                                 
            
                7,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2010
             | 
            
                +1.10 / +6.79%
             |             
            
                17.30
             |           
            
                17.30
             |               
            
                17.30
             |                           
            
                17.30
             | 
            
                17.30
             |                     
            
                7.00
             |                                 
            
                7,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2010
             | 
            
                +0.70 / +4.52%
             |             
            
                16.20
             |           
            
                16.20
             |               
            
                16.20
             |                           
            
                16.20
             | 
            
                16.20
             |                     
            
                6.56
             |                                 
            
                2,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/29/2010
             | 
            
                +0.60 / +4.03%
             |             
            
                14.70
             |           
            
                15.50
             |               
            
                14.20
             |                           
            
                15.50
             | 
            
                15.50
             |                     
            
                6.27
             |                                 
            
                36,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2010
             | 
            
                +0.70 / +4.93%
             |             
            
                14.50
             |           
            
                14.90
             |               
            
                14.30
             |                           
            
                14.90
             | 
            
                14.90
             |                     
            
                6.03
             |                                 
            
                15,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2010
             | 
            
                -0.40 / -2.74%
             |             
            
                15.00
             |           
            
                15.70
             |               
            
                14.20
             |                           
            
                14.20
             | 
            
                14.20
             |                     
            
                5.75
             |                                 
            
                25,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2010
             | 
            
                +0.10 / +0.69%
             |             
            
                15.50
             |           
            
                15.50
             |               
            
                14.60
             |                           
            
                14.60
             | 
            
                14.60
             |                     
            
                5.91
             |                                 
            
                17,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2010
             | 
            
                -0.50 / -3.33%
             |             
            
                16.00
             |           
            
                16.00
             |               
            
                14.50
             |                           
            
                14.50
             | 
            
                14.50
             |                     
            
                5.87
             |                                 
            
                72,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2010
             | 
            
                +0.90 / +6.38%
             |             
            
                15.00
             |           
            
                15.00
             |               
            
                14.50
             |                           
            
                15.00
             | 
            
                15.00
             |                     
            
                6.07
             |                                 
            
                89,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2010
             | 
            
                +0.80 / +6.02%
             |             
            
                14.00
             |           
            
                14.10
             |               
            
                14.00
             |                           
            
                14.10
             | 
            
                14.10
             |                     
            
                5.71
             |                                 
            
                11,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2010
             | 
            
                +0.80 / +6.40%
             |             
            
                12.50
             |           
            
                13.30
             |               
            
                12.50
             |                           
            
                13.30
             | 
            
                13.30
             |                     
            
                5.38
             |                                 
            
                35,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |