| 
                 
                    Closing price on 9/26/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    5.00 | 
                 
                
                    | High | 
                    5.20 | 
                 
                
                    | Low | 
                    5.00 | 
                     
                
                    | Volume | 
                    423,000 | 
                                 
                
                    | Split-adjusted Price | 
                    0.96 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SHS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/26/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.20
             |               
            
                5.00
             |                           
            
                5.10
             | 
            
                5.13
             |                     
            
                0.96
             |                                 
            
                423,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/25/2012
             | 
            
                +0.10 / +2.00%
             |             
            
                4.90
             |           
            
                5.10
             |               
            
                4.90
             |                           
            
                5.10
             | 
            
                5.02
             |                     
            
                0.96
             |                                 
            
                593,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/24/2012
             | 
            
                -0.20 / -3.85%
             |             
            
                5.20
             |           
            
                5.20
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.05
             |                     
            
                0.94
             |                                 
            
                621,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.10
             |           
            
                5.30
             |               
            
                5.10
             |                           
            
                5.20
             | 
            
                5.18
             |                     
            
                0.98
             |                                 
            
                548,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2012
             | 
            
                -0.10 / -1.89%
             |             
            
                5.10
             |           
            
                5.30
             |               
            
                5.00
             |                           
            
                5.20
             | 
            
                5.09
             |                     
            
                0.98
             |                                 
            
                718,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2012
             | 
            
                +0.20 / +3.92%
             |             
            
                5.00
             |           
            
                5.30
             |               
            
                4.90
             |                           
            
                5.30
             | 
            
                5.08
             |                     
            
                1.00
             |                                 
            
                982,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/18/2012
             | 
            
                -0.40 / -7.27%
             |             
            
                5.40
             |           
            
                5.50
             |               
            
                5.10
             |                           
            
                5.10
             | 
            
                5.19
             |                     
            
                0.96
             |                                 
            
                1,748,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2012
             | 
            
                -0.20 / -3.51%
             |             
            
                5.70
             |           
            
                5.70
             |               
            
                5.40
             |                           
            
                5.50
             | 
            
                5.55
             |                     
            
                1.04
             |                                 
            
                746,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/14/2012
             | 
            
                +0.20 / +3.64%
             |             
            
                5.60
             |           
            
                5.70
             |               
            
                5.50
             |                           
            
                5.70
             | 
            
                5.62
             |                     
            
                1.08
             |                                 
            
                1,439,400
             |            
            
                 
             |                                       
         
    
        
            | 
                9/13/2012
             | 
            
                +0.30 / +5.77%
             |             
            
                5.20
             |           
            
                5.50
             |               
            
                5.10
             |                           
            
                5.50
             | 
            
                5.26
             |                     
            
                1.04
             |                                 
            
                1,272,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/12/2012
             | 
            
                -0.10 / -1.89%
             |             
            
                5.30
             |           
            
                5.50
             |               
            
                5.20
             |                           
            
                5.20
             | 
            
                5.32
             |                     
            
                0.98
             |                                 
            
                809,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/11/2012
             | 
            
                -0.10 / -1.85%
             |             
            
                5.20
             |           
            
                5.40
             |               
            
                5.20
             |                           
            
                5.30
             | 
            
                5.29
             |                     
            
                1.00
             |                                 
            
                1,144,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/10/2012
             | 
            
                -0.30 / -5.26%
             |             
            
                5.70
             |           
            
                5.70
             |               
            
                5.40
             |                           
            
                5.40
             | 
            
                5.42
             |                     
            
                1.02
             |                                 
            
                1,748,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/7/2012
             | 
            
                +0.10 / +1.79%
             |             
            
                5.60
             |           
            
                5.80
             |               
            
                5.40
             |                           
            
                5.70
             | 
            
                5.56
             |                     
            
                1.08
             |                                 
            
                1,372,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/6/2012
             | 
            
                -0.10 / -1.75%
             |             
            
                5.60
             |           
            
                5.80
             |               
            
                5.50
             |                           
            
                5.60
             | 
            
                5.61
             |                     
            
                1.06
             |                                 
            
                888,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/5/2012
             | 
            
                -0.20 / -3.39%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.60
             |                           
            
                5.70
             | 
            
                5.73
             |                     
            
                1.08
             |                                 
            
                1,498,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/4/2012
             | 
            
                +0.10 / +1.72%
             |             
            
                5.90
             |           
            
                6.00
             |               
            
                5.80
             |                           
            
                5.90
             | 
            
                5.92
             |                     
            
                1.11
             |                                 
            
                930,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2012
             | 
            
                -0.20 / -3.33%
             |             
            
                5.90
             |           
            
                6.00
             |               
            
                5.70
             |                           
            
                5.80
             | 
            
                5.87
             |                     
            
                1.10
             |                                 
            
                1,424,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/30/2012
             | 
            
                +0.20 / +3.45%
             |             
            
                5.80
             |           
            
                6.10
             |               
            
                5.80
             |                           
            
                6.00
             | 
            
                5.91
             |                     
            
                1.13
             |                                 
            
                1,577,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2012
             | 
            
                +0.30 / +5.45%
             |             
            
                5.60
             |           
            
                5.80
             |               
            
                5.60
             |                           
            
                5.80
             | 
            
                5.74
             |                     
            
                1.10
             |                                 
            
                2,059,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/28/2012
             | 
            
                +0.10 / +1.85%
             |             
            
                5.10
             |           
            
                5.60
             |               
            
                5.10
             |                           
            
                5.50
             | 
            
                5.41
             |                     
            
                1.04
             |                                 
            
                1,198,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2012
             | 
            
                -0.50 / -8.47%
             |             
            
                5.80
             |           
            
                5.80
             |               
            
                5.40
             |                           
            
                5.40
             | 
            
                5.47
             |                     
            
                1.02
             |                                 
            
                1,042,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2012
             | 
            
                +0.20 / +3.51%
             |             
            
                5.50
             |           
            
                6.00
             |               
            
                5.40
             |                           
            
                5.90
             | 
            
                5.64
             |                     
            
                1.11
             |                                 
            
                4,300,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2012
             | 
            
                -0.40 / -6.56%
             |             
            
                5.90
             |           
            
                6.00
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.74
             |                     
            
                1.08
             |                                 
            
                759,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2012
             | 
            
                -0.40 / -6.15%
             |             
            
                6.10
             |           
            
                6.40
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.19
             |                     
            
                1.15
             |                                 
            
                3,674,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2012
             | 
            
                -0.40 / -5.80%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.59
             |                     
            
                1.23
             |                                 
            
                2,402,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2012
             | 
            
                +0.10 / +1.47%
             |             
            
                7.00
             |           
            
                7.10
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                7.00
             |                     
            
                1.30
             |                                 
            
                1,788,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2012
             | 
            
                -0.10 / -1.45%
             |             
            
                6.80
             |           
            
                6.90
             |               
            
                6.70
             |                           
            
                6.80
             | 
            
                6.82
             |                     
            
                1.28
             |                                 
            
                1,043,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2012
             | 
            
                -0.10 / -1.43%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                1.30
             |                                 
            
                489,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.80
             |                           
            
                7.00
             | 
            
                6.89
             |                     
            
                1.32
             |                                 
            
                1,236,200
             |  
            
                 
             |                                                              
             
    
         
    
    
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