| 
                 
                    Closing price on 3/22/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    35.90 | 
                 
                
                    | High | 
                    36.30 | 
                 
                
                    | Low | 
                    34.20 | 
                     
                
                    | Volume | 
                    584,910 | 
                                 
                
                    | Split-adjusted Price | 
                    4.30 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
HSG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/22/2013
             | 
            
                -1.60 / -4.41%
             |             
            
                35.90
             |           
            
                36.30
             |               
            
                34.20
             |                           
            
                34.70
             | 
            
                34.70
             |                     
            
                4.30
             |                                 
            
                584,910
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2013
             | 
            
                +0.30 / +0.83%
             |             
            
                36.00
             |           
            
                37.00
             |               
            
                35.20
             |                           
            
                36.30
             | 
            
                36.30
             |                     
            
                4.50
             |                                 
            
                324,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2013
             | 
            
                +1.00 / +2.86%
             |             
            
                35.00
             |           
            
                36.50
             |               
            
                35.00
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                4.47
             |                                 
            
                491,680
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2013
             | 
            
                +1.20 / +3.55%
             |             
            
                33.50
             |           
            
                35.50
             |               
            
                33.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                4.34
             |                                 
            
                586,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2013
             | 
            
                -0.80 / -2.31%
             |             
            
                34.00
             |           
            
                34.50
             |               
            
                33.80
             |                           
            
                33.80
             | 
            
                33.80
             |                     
            
                4.19
             |                                 
            
                419,570
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2013
             | 
            
                +0.10 / +0.29%
             |             
            
                34.50
             |           
            
                34.60
             |               
            
                33.90
             |                           
            
                34.60
             | 
            
                34.60
             |                     
            
                4.17
             |                                 
            
                914,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2013
             | 
            
                +0.20 / +0.58%
             |             
            
                34.50
             |           
            
                34.80
             |               
            
                34.00
             |                           
            
                34.50
             | 
            
                34.50
             |                     
            
                4.16
             |                                 
            
                304,130
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2013
             | 
            
                +1.10 / +3.31%
             |             
            
                33.50
             |           
            
                35.30
             |               
            
                33.50
             |                           
            
                34.30
             | 
            
                34.30
             |                     
            
                4.13
             |                                 
            
                851,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2013
             | 
            
                -1.10 / -3.21%
             |             
            
                34.10
             |           
            
                34.20
             |               
            
                32.60
             |                           
            
                33.20
             | 
            
                33.20
             |                     
            
                4.00
             |                                 
            
                764,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2013
             | 
            
                +1.60 / +4.89%
             |             
            
                34.50
             |           
            
                34.50
             |               
            
                33.00
             |                           
            
                34.30
             | 
            
                34.30
             |                     
            
                4.13
             |                                 
            
                382,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2013
             | 
            
                +0.70 / +2.19%
             |             
            
                32.30
             |           
            
                33.00
             |               
            
                32.00
             |                           
            
                32.70
             | 
            
                32.70
             |                     
            
                3.94
             |                                 
            
                171,190
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2013
             | 
            
                +1.40 / +4.58%
             |             
            
                32.00
             |           
            
                32.70
             |               
            
                31.60
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                3.85
             |                                 
            
                722,440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2013
             | 
            
                +2.00 / +6.99%
             |             
            
                29.20
             |           
            
                30.60
             |               
            
                29.00
             |                           
            
                30.60
             | 
            
                30.60
             |                     
            
                3.69
             |                                 
            
                180,510
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2013
             | 
            
                -2.00 / -6.54%
             |             
            
                29.40
             |           
            
                30.40
             |               
            
                28.50
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                3.44
             |                                 
            
                653,740
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2013
             | 
            
                -2.20 / -6.71%
             |             
            
                32.60
             |           
            
                32.60
             |               
            
                30.60
             |                           
            
                30.60
             | 
            
                30.60
             |                     
            
                3.69
             |                                 
            
                649,360
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2013
             | 
            
                0.00 / 0.00%
             |             
            
                32.80
             |           
            
                33.60
             |               
            
                32.30
             |                           
            
                32.80
             | 
            
                32.80
             |                     
            
                3.95
             |                                 
            
                338,010
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2013
             | 
            
                -0.60 / -1.80%
             |             
            
                33.80
             |           
            
                34.00
             |               
            
                32.80
             |                           
            
                32.80
             | 
            
                32.80
             |                     
            
                3.95
             |                                 
            
                403,640
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2013
             | 
            
                +0.40 / +1.21%
             |             
            
                33.00
             |           
            
                33.70
             |               
            
                31.80
             |                           
            
                33.40
             | 
            
                33.40
             |                     
            
                4.02
             |                                 
            
                449,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2013
             | 
            
                -1.40 / -4.07%
             |             
            
                34.40
             |           
            
                36.00
             |               
            
                32.50
             |                           
            
                33.00
             | 
            
                33.00
             |                     
            
                3.97
             |                                 
            
                834,570
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2013
             | 
            
                +2.20 / +6.83%
             |             
            
                34.00
             |           
            
                34.40
             |               
            
                33.40
             |                           
            
                34.40
             | 
            
                34.40
             |                     
            
                4.14
             |                                 
            
                491,080
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2013
             | 
            
                +2.10 / +6.98%
             |             
            
                31.40
             |           
            
                32.20
             |               
            
                31.40
             |                           
            
                32.20
             | 
            
                32.20
             |                     
            
                3.88
             |                                 
            
                1,358,910
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2013
             | 
            
                -1.30 / -4.14%
             |             
            
                31.40
             |           
            
                33.50
             |               
            
                30.10
             |                           
            
                30.10
             | 
            
                30.10
             |                     
            
                3.63
             |                                 
            
                1,316,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/20/2013
             | 
            
                +0.40 / +1.29%
             |             
            
                31.00
             |           
            
                32.40
             |               
            
                30.50
             |                           
            
                31.40
             | 
            
                31.40
             |                     
            
                3.78
             |                                 
            
                592,050
             |            
            
                 
             |                                       
         
    
        
            | 
                2/19/2013
             | 
            
                -0.70 / -2.21%
             |             
            
                31.50
             |           
            
                31.60
             |               
            
                30.50
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                3.73
             |                                 
            
                551,530
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/18/2013
             | 
            
                -0.30 / -0.94%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                31.40
             |                           
            
                31.70
             | 
            
                31.70
             |                     
            
                3.82
             |                                 
            
                205,710
             |            
            
                 
             |                                       
         
    
        
            | 
                2/8/2013
             | 
            
                +0.60 / +1.91%
             |             
            
                31.40
             |           
            
                32.90
             |               
            
                31.20
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                3.85
             |                                 
            
                143,410
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/7/2013
             | 
            
                -1.10 / -3.38%
             |             
            
                32.50
             |           
            
                33.00
             |               
            
                30.30
             |                           
            
                31.40
             | 
            
                31.40
             |                     
            
                3.78
             |                                 
            
                475,880
             |            
            
                 
             |                                       
         
    
        
            | 
                2/6/2013
             | 
            
                +2.00 / +6.56%
             |             
            
                31.50
             |           
            
                32.50
             |               
            
                31.00
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                3.91
             |                                 
            
                497,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/5/2013
             | 
            
                +1.10 / +3.74%
             |             
            
                29.40
             |           
            
                31.00
             |               
            
                28.20
             |                           
            
                30.50
             | 
            
                30.50
             |                     
            
                3.67
             |                                 
            
                386,160
             |            
            
                 
             |                                       
         
    
        
            | 
                2/4/2013
             | 
            
                +1.80 / +6.52%
             |             
            
                27.90
             |           
            
                29.40
             |               
            
                27.80
             |                           
            
                29.40
             | 
            
                29.40
             |                     
            
                3.54
             |                                 
            
                614,990
             |  
            
                 
             |                                                              
             
    
         
    
    
 |