| 
                 
                    Closing price on 3/9/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.90 | 
                 
                
                    | High | 
                    9.50 | 
                 
                
                    | Low | 
                    8.80 | 
                     
                
                    | Volume | 
                    536,400 | 
                                 
                
                    | Split-adjusted Price | 
                    4.41 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
HUT Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/9/2012
             | 
            
                +0.20 / +2.22%
             |             
            
                8.90
             |           
            
                9.50
             |               
            
                8.80
             |                           
            
                9.20
             | 
            
                9.08
             |                     
            
                4.41
             |                                 
            
                536,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2012
             | 
            
                -0.40 / -4.26%
             |             
            
                9.00
             |           
            
                9.60
             |               
            
                8.80
             |                           
            
                9.00
             | 
            
                9.10
             |                     
            
                4.31
             |                                 
            
                1,100,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2012
             | 
            
                +0.10 / +1.08%
             |             
            
                9.50
             |           
            
                9.60
             |               
            
                9.00
             |                           
            
                9.40
             | 
            
                9.25
             |                     
            
                4.51
             |                                 
            
                1,034,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2012
             | 
            
                -0.20 / -2.11%
             |             
            
                10.10
             |           
            
                10.10
             |               
            
                9.00
             |                           
            
                9.30
             | 
            
                9.56
             |                     
            
                4.46
             |                                 
            
                1,632,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2012
             | 
            
                +0.50 / +5.56%
             |             
            
                9.40
             |           
            
                9.50
             |               
            
                9.30
             |                           
            
                9.50
             | 
            
                9.47
             |                     
            
                4.55
             |                                 
            
                239,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2012
             | 
            
                +0.40 / +4.65%
             |             
            
                8.60
             |           
            
                9.00
             |               
            
                8.60
             |                           
            
                9.00
             | 
            
                8.86
             |                     
            
                4.31
             |                                 
            
                1,139,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2012
             | 
            
                0.00 / 0.00%
             |             
            
                8.60
             |           
            
                8.70
             |               
            
                8.40
             |                           
            
                8.60
             | 
            
                8.53
             |                     
            
                4.12
             |                                 
            
                662,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/29/2012
             | 
            
                +0.20 / +2.38%
             |             
            
                8.30
             |           
            
                8.70
             |               
            
                8.10
             |                           
            
                8.60
             | 
            
                8.43
             |                     
            
                4.12
             |                                 
            
                966,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2012
             | 
            
                -0.80 / -8.70%
             |             
            
                9.00
             |           
            
                9.30
             |               
            
                8.40
             |                           
            
                8.40
             | 
            
                8.60
             |                     
            
                4.03
             |                                 
            
                1,288,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2012
             | 
            
                +0.70 / +8.24%
             |             
            
                8.20
             |           
            
                9.20
             |               
            
                8.20
             |                           
            
                9.20
             | 
            
                9.03
             |                     
            
                4.41
             |                                 
            
                961,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2012
             | 
            
                +0.30 / +3.66%
             |             
            
                8.60
             |           
            
                8.70
             |               
            
                8.40
             |                           
            
                8.50
             | 
            
                8.64
             |                     
            
                4.07
             |                                 
            
                1,411,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2012
             | 
            
                +0.30 / +3.80%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.00
             |                           
            
                8.20
             | 
            
                8.17
             |                     
            
                3.93
             |                                 
            
                918,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2012
             | 
            
                +0.70 / +9.72%
             |             
            
                7.20
             |           
            
                7.90
             |               
            
                7.10
             |                           
            
                7.90
             | 
            
                7.66
             |                     
            
                3.79
             |                                 
            
                1,249,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2012
             | 
            
                -0.10 / -1.37%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.43
             |                     
            
                3.45
             |                                 
            
                1,018,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/20/2012
             | 
            
                +0.30 / +4.29%
             |             
            
                7.20
             |           
            
                7.30
             |               
            
                7.20
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                3.50
             |                                 
            
                336,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/17/2012
             | 
            
                +0.30 / +4.48%
             |             
            
                6.80
             |           
            
                7.00
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                6.95
             |                     
            
                3.36
             |                                 
            
                475,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/16/2012
             | 
            
                +0.20 / +3.08%
             |             
            
                6.50
             |           
            
                6.80
             |               
            
                6.40
             |                           
            
                6.70
             | 
            
                6.65
             |                     
            
                3.21
             |                                 
            
                314,800
             |            
            
                 
             |                                       
         
    
        
            | 
                2/15/2012
             | 
            
                -0.40 / -5.80%
             |             
            
                6.80
             |           
            
                6.90
             |               
            
                6.40
             |                           
            
                6.50
             | 
            
                6.50
             |                     
            
                3.12
             |                                 
            
                578,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/14/2012
             | 
            
                +0.20 / +2.99%
             |             
            
                6.30
             |           
            
                7.00
             |               
            
                6.30
             |                           
            
                6.90
             | 
            
                6.79
             |                     
            
                3.31
             |                                 
            
                502,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2012
             | 
            
                -0.30 / -4.29%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.72
             |                     
            
                3.21
             |                                 
            
                449,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/10/2012
             | 
            
                -0.40 / -5.41%
             |             
            
                7.20
             |           
            
                7.40
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.13
             |                     
            
                3.36
             |                                 
            
                437,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2012
             | 
            
                -0.40 / -5.13%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.30
             |                           
            
                7.40
             | 
            
                7.47
             |                     
            
                3.55
             |                                 
            
                520,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2012
             | 
            
                +0.40 / +5.41%
             |             
            
                7.60
             |           
            
                7.80
             |               
            
                7.50
             |                           
            
                7.80
             | 
            
                7.67
             |                     
            
                3.74
             |                                 
            
                803,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2012
             | 
            
                +0.30 / +4.23%
             |             
            
                7.20
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.40
             | 
            
                7.32
             |                     
            
                3.55
             |                                 
            
                962,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2012
             | 
            
                +0.10 / +1.43%
             |             
            
                7.00
             |           
            
                7.20
             |               
            
                6.80
             |                           
            
                7.10
             | 
            
                7.03
             |                     
            
                3.40
             |                                 
            
                441,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2012
             | 
            
                +0.20 / +2.94%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.15
             |                     
            
                3.36
             |                                 
            
                866,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/2/2012
             | 
            
                +0.20 / +3.03%
             |             
            
                6.60
             |           
            
                6.80
             |               
            
                6.60
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                3.26
             |                                 
            
                532,300
             |            
            
                 
             |                                       
         
    
        
            | 
                2/1/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.50
             |           
            
                6.60
             |               
            
                6.30
             |                           
            
                6.60
             | 
            
                6.43
             |                     
            
                3.16
             |                                 
            
                208,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/31/2012
             | 
            
                +0.10 / +1.54%
             |             
            
                6.40
             |           
            
                6.70
             |               
            
                6.40
             |                           
            
                6.60
             | 
            
                6.64
             |                     
            
                3.16
             |                                 
            
                390,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/30/2012
             | 
            
                +0.10 / +1.56%
             |             
            
                6.40
             |           
            
                6.50
             |               
            
                6.10
             |                           
            
                6.50
             | 
            
                6.30
             |                     
            
                3.12
             |                                 
            
                128,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |