| 
                 
                    Closing price on 3/15/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    11.60 | 
                 
                
                    | High | 
                    12.30 | 
                 
                
                    | Low | 
                    11.30 | 
                     
                
                    | Volume | 
                    1,295,960 | 
                                 
                
                    | Split-adjusted Price | 
                    1.36 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
HSG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/15/2012
             | 
            
                +0.50 / +4.24%
             |             
            
                11.60
             |           
            
                12.30
             |               
            
                11.30
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                1.36
             |                                 
            
                1,295,960
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2012
             | 
            
                0.00 / 0.00%
             |             
            
                11.70
             |           
            
                11.90
             |               
            
                11.60
             |                           
            
                11.80
             | 
            
                11.80
             |                     
            
                1.31
             |                                 
            
                376,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2012
             | 
            
                +0.40 / +3.51%
             |             
            
                11.60
             |           
            
                11.80
             |               
            
                11.40
             |                           
            
                11.80
             | 
            
                11.80
             |                     
            
                1.31
             |                                 
            
                579,810
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2012
             | 
            
                -0.60 / -5.00%
             |             
            
                11.90
             |           
            
                11.90
             |               
            
                11.40
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                1.26
             |                                 
            
                765,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2012
             | 
            
                +0.10 / +0.84%
             |             
            
                11.80
             |           
            
                12.30
             |               
            
                11.80
             |                           
            
                12.00
             | 
            
                12.00
             |                     
            
                1.33
             |                                 
            
                563,350
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2012
             | 
            
                -0.60 / -4.80%
             |             
            
                12.00
             |           
            
                12.50
             |               
            
                11.90
             |                           
            
                11.90
             | 
            
                11.90
             |                     
            
                1.32
             |                                 
            
                792,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2012
             | 
            
                +0.20 / +1.63%
             |             
            
                12.30
             |           
            
                12.50
             |               
            
                11.80
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                1.38
             |                                 
            
                911,850
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2012
             | 
            
                -0.50 / -3.91%
             |             
            
                13.40
             |           
            
                13.40
             |               
            
                12.20
             |                           
            
                12.30
             | 
            
                12.30
             |                     
            
                1.36
             |                                 
            
                1,539,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2012
             | 
            
                +0.60 / +4.92%
             |             
            
                12.40
             |           
            
                12.80
             |               
            
                12.40
             |                           
            
                12.80
             | 
            
                12.80
             |                     
            
                1.42
             |                                 
            
                603,960
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2012
             | 
            
                +0.40 / +3.39%
             |             
            
                11.60
             |           
            
                12.20
             |               
            
                11.60
             |                           
            
                12.20
             | 
            
                12.20
             |                     
            
                1.35
             |                                 
            
                737,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2012
             | 
            
                +0.50 / +4.42%
             |             
            
                11.50
             |           
            
                11.80
             |               
            
                11.20
             |                           
            
                11.80
             | 
            
                11.80
             |                     
            
                1.31
             |                                 
            
                807,750
             |            
            
                 
             |                                       
         
    
        
            | 
                2/29/2012
             | 
            
                -0.10 / -0.88%
             |             
            
                11.40
             |           
            
                11.40
             |               
            
                11.00
             |                           
            
                11.30
             | 
            
                11.30
             |                     
            
                1.25
             |                                 
            
                466,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2012
             | 
            
                -0.50 / -4.20%
             |             
            
                11.90
             |           
            
                11.90
             |               
            
                11.40
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                1.26
             |                                 
            
                951,160
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2012
             | 
            
                +0.50 / +4.39%
             |             
            
                11.40
             |           
            
                11.90
             |               
            
                11.30
             |                           
            
                11.90
             | 
            
                11.90
             |                     
            
                1.32
             |                                 
            
                810,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2012
             | 
            
                -0.40 / -3.39%
             |             
            
                12.00
             |           
            
                12.00
             |               
            
                11.40
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                1.26
             |                                 
            
                1,238,220
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2012
             | 
            
                +0.50 / +4.42%
             |             
            
                11.80
             |           
            
                11.80
             |               
            
                11.50
             |                           
            
                11.80
             | 
            
                11.80
             |                     
            
                1.31
             |                                 
            
                690,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2012
             | 
            
                +0.50 / +4.63%
             |             
            
                10.70
             |           
            
                11.30
             |               
            
                10.70
             |                           
            
                11.30
             | 
            
                11.30
             |                     
            
                1.25
             |                                 
            
                659,000
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2012
             | 
            
                +0.50 / +4.85%
             |             
            
                10.70
             |           
            
                10.80
             |               
            
                10.20
             |                           
            
                10.80
             | 
            
                10.80
             |                     
            
                1.20
             |                                 
            
                752,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/20/2012
             | 
            
                +0.40 / +4.04%
             |             
            
                10.10
             |           
            
                10.30
             |               
            
                10.10
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                1.14
             |                                 
            
                518,480
             |            
            
                 
             |                                       
         
    
        
            | 
                2/17/2012
             | 
            
                +0.20 / +2.06%
             |             
            
                9.80
             |           
            
                9.90
             |               
            
                9.70
             |                           
            
                9.90
             | 
            
                9.90
             |                     
            
                1.10
             |                                 
            
                240,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/16/2012
             | 
            
                +0.10 / +1.04%
             |             
            
                9.60
             |           
            
                9.80
             |               
            
                9.50
             |                           
            
                9.70
             | 
            
                9.70
             |                     
            
                1.07
             |                                 
            
                128,540
             |            
            
                 
             |                                       
         
    
        
            | 
                2/15/2012
             | 
            
                -0.10 / -1.03%
             |             
            
                9.70
             |           
            
                9.80
             |               
            
                9.50
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                1.06
             |                                 
            
                189,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/14/2012
             | 
            
                +0.20 / +2.11%
             |             
            
                9.40
             |           
            
                9.70
             |               
            
                9.40
             |                           
            
                9.70
             | 
            
                9.70
             |                     
            
                1.07
             |                                 
            
                168,180
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.20
             |           
            
                9.50
             |               
            
                9.20
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                1.05
             |                                 
            
                181,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/10/2012
             | 
            
                -0.20 / -2.06%
             |             
            
                9.70
             |           
            
                9.70
             |               
            
                9.40
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                1.05
             |                                 
            
                308,130
             |            
            
                 
             |                                       
         
    
        
            | 
                2/9/2012
             | 
            
                -0.30 / -3.00%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                9.70
             |                           
            
                9.70
             | 
            
                9.70
             |                     
            
                1.07
             |                                 
            
                163,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/8/2012
             | 
            
                +0.40 / +4.17%
             |             
            
                9.70
             |           
            
                10.00
             |               
            
                9.60
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                1.11
             |                                 
            
                229,680
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.70
             |           
            
                9.80
             |               
            
                9.50
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                1.06
             |                                 
            
                262,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2012
             | 
            
                +0.10 / +1.05%
             |             
            
                9.30
             |           
            
                9.60
             |               
            
                9.20
             |                           
            
                9.60
             | 
            
                9.60
             |                     
            
                1.06
             |                                 
            
                82,540
             |            
            
                 
             |                                       
         
    
        
            | 
                2/3/2012
             | 
            
                -0.40 / -4.04%
             |             
            
                10.20
             |           
            
                10.30
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                1.05
             |                                 
            
                476,740
             |  
            
                 
             |                                                              
             
    
         
    
    
 |