| 
                 
                    Closing price on 4/17/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    37.80 | 
                 
                
                    | High | 
                    37.80 | 
                 
                
                    | Low | 
                    36.50 | 
                     
                
                    | Volume | 
                    205,680 | 
                                 
                
                    | Split-adjusted Price | 
                    4.53 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
HSG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/17/2013
             | 
            
                -0.50 / -1.35%
             |             
            
                37.80
             |           
            
                37.80
             |               
            
                36.50
             |                           
            
                36.50
             | 
            
                36.50
             |                     
            
                4.53
             |                                 
            
                205,680
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2013
             | 
            
                0.00 / 0.00%
             |             
            
                36.50
             |           
            
                37.50
             |               
            
                35.30
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                4.59
             |                                 
            
                583,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2013
             | 
            
                -2.00 / -5.13%
             |             
            
                39.40
             |           
            
                39.40
             |               
            
                36.50
             |                           
            
                37.00
             | 
            
                37.00
             |                     
            
                4.59
             |                                 
            
                691,820
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2013
             | 
            
                -2.00 / -4.88%
             |             
            
                40.50
             |           
            
                41.30
             |               
            
                38.80
             |                           
            
                39.00
             | 
            
                39.00
             |                     
            
                4.84
             |                                 
            
                353,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2013
             | 
            
                +1.00 / +2.50%
             |             
            
                40.50
             |           
            
                41.00
             |               
            
                39.80
             |                           
            
                41.00
             | 
            
                41.00
             |                     
            
                5.09
             |                                 
            
                305,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2013
             | 
            
                -0.50 / -1.23%
             |             
            
                40.50
             |           
            
                42.50
             |               
            
                40.00
             |                           
            
                40.00
             | 
            
                40.00
             |                     
            
                4.96
             |                                 
            
                882,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2013
             | 
            
                -1.00 / -2.41%
             |             
            
                41.40
             |           
            
                41.60
             |               
            
                40.30
             |                           
            
                40.50
             | 
            
                40.50
             |                     
            
                5.02
             |                                 
            
                648,540
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                41.90
             |           
            
                43.00
             |               
            
                41.50
             |                           
            
                41.50
             | 
            
                41.50
             |                     
            
                5.15
             |                                 
            
                590,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2013
             | 
            
                +1.30 / +3.23%
             |             
            
                40.00
             |           
            
                41.60
             |               
            
                39.40
             |                           
            
                41.50
             | 
            
                41.50
             |                     
            
                5.15
             |                                 
            
                643,380
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2013
             | 
            
                +0.20 / +0.50%
             |             
            
                40.00
             |           
            
                40.90
             |               
            
                39.80
             |                           
            
                40.20
             | 
            
                40.20
             |                     
            
                4.99
             |                                 
            
                519,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2013
             | 
            
                +1.30 / +3.36%
             |             
            
                39.00
             |           
            
                41.40
             |               
            
                39.00
             |                           
            
                40.00
             | 
            
                40.00
             |                     
            
                4.96
             |                                 
            
                886,330
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2013
             | 
            
                +2.50 / +6.91%
             |             
            
                38.60
             |           
            
                38.70
             |               
            
                38.30
             |                           
            
                38.70
             | 
            
                38.70
             |                     
            
                4.80
             |                                 
            
                1,532,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2013
             | 
            
                +1.20 / +3.43%
             |             
            
                35.20
             |           
            
                36.80
             |               
            
                34.90
             |                           
            
                36.20
             | 
            
                36.20
             |                     
            
                4.49
             |                                 
            
                340,680
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2013
             | 
            
                +0.30 / +0.86%
             |             
            
                34.30
             |           
            
                35.00
             |               
            
                33.90
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                4.34
             |                                 
            
                227,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2013
             | 
            
                -0.50 / -1.42%
             |             
            
                35.30
             |           
            
                35.50
             |               
            
                34.70
             |                           
            
                34.70
             | 
            
                34.70
             |                     
            
                4.30
             |                                 
            
                208,680
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2013
             | 
            
                0.00 / 0.00%
             |             
            
                35.20
             |           
            
                35.70
             |               
            
                34.50
             |                           
            
                35.20
             | 
            
                35.20
             |                     
            
                4.37
             |                                 
            
                186,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2013
             | 
            
                -0.10 / -0.28%
             |             
            
                35.70
             |           
            
                35.80
             |               
            
                35.20
             |                           
            
                35.20
             | 
            
                35.20
             |                     
            
                4.37
             |                                 
            
                225,430
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2013
             | 
            
                +0.60 / +1.73%
             |             
            
                34.40
             |           
            
                35.70
             |               
            
                34.30
             |                           
            
                35.30
             | 
            
                35.30
             |                     
            
                4.38
             |                                 
            
                369,560
             |  
            
                 
             |                                                              
             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |