| 
                 
                    Closing price on 8/23/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    5.50 | 
                 
                
                    | High | 
                    5.60 | 
                 
                
                    | Low | 
                    5.40 | 
                     
                
                    | Volume | 
                    1,787,100 | 
                                 
                
                    | Split-adjusted Price | 
                    1.04 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
SHS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/23/2013
             | 
            
                -0.10 / -1.79%
             |             
            
                5.50
             |           
            
                5.60
             |               
            
                5.40
             |                           
            
                5.50
             | 
            
                5.51
             |                     
            
                1.04
             |                                 
            
                1,787,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2013
             | 
            
                -0.20 / -3.45%
             |             
            
                5.80
             |           
            
                5.80
             |               
            
                5.50
             |                           
            
                5.60
             | 
            
                5.65
             |                     
            
                1.06
             |                                 
            
                737,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/21/2013
             | 
            
                -0.10 / -1.69%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.70
             |                           
            
                5.80
             | 
            
                5.78
             |                     
            
                1.10
             |                                 
            
                818,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/20/2013
             | 
            
                -0.10 / -1.67%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                5.80
             |                           
            
                5.90
             | 
            
                5.94
             |                     
            
                1.11
             |                                 
            
                864,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2013
             | 
            
                +0.40 / +7.14%
             |             
            
                5.50
             |           
            
                6.10
             |               
            
                5.50
             |                           
            
                6.00
             | 
            
                5.85
             |                     
            
                1.13
             |                                 
            
                1,690,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2013
             | 
            
                0.00 / 0.00%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.50
             |                           
            
                5.60
             | 
            
                5.59
             |                     
            
                1.06
             |                                 
            
                411,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2013
             | 
            
                +0.10 / +1.82%
             |             
            
                5.50
             |           
            
                5.60
             |               
            
                5.40
             |                           
            
                5.60
             | 
            
                5.55
             |                     
            
                1.06
             |                                 
            
                519,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2013
             | 
            
                +0.20 / +3.77%
             |             
            
                5.20
             |           
            
                5.50
             |               
            
                5.20
             |                           
            
                5.50
             | 
            
                5.37
             |                     
            
                1.04
             |                                 
            
                547,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/13/2013
             | 
            
                -0.20 / -3.64%
             |             
            
                5.50
             |           
            
                5.50
             |               
            
                5.30
             |                           
            
                5.30
             | 
            
                5.36
             |                     
            
                1.00
             |                                 
            
                456,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2013
             | 
            
                0.00 / 0.00%
             |             
            
                5.50
             |           
            
                5.60
             |               
            
                5.40
             |                           
            
                5.50
             | 
            
                5.47
             |                     
            
                1.04
             |                                 
            
                393,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2013
             | 
            
                -0.20 / -3.51%
             |             
            
                5.60
             |           
            
                5.70
             |               
            
                5.50
             |                           
            
                5.50
             | 
            
                5.56
             |                     
            
                1.04
             |                                 
            
                327,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                5.70
             |           
            
                5.80
             |               
            
                5.50
             |                           
            
                5.70
             | 
            
                5.62
             |                     
            
                1.08
             |                                 
            
                272,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/7/2013
             | 
            
                -0.10 / -1.72%
             |             
            
                5.70
             |           
            
                5.80
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.71
             |                     
            
                1.08
             |                                 
            
                449,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2013
             | 
            
                +0.10 / +1.75%
             |             
            
                5.60
             |           
            
                5.80
             |               
            
                5.50
             |                           
            
                5.80
             | 
            
                5.67
             |                     
            
                1.10
             |                                 
            
                333,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2013
             | 
            
                -0.10 / -1.72%
             |             
            
                5.70
             |           
            
                5.80
             |               
            
                5.60
             |                           
            
                5.70
             | 
            
                5.70
             |                     
            
                1.08
             |                                 
            
                155,392
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2013
             | 
            
                +0.10 / +1.75%
             |             
            
                5.80
             |           
            
                5.80
             |               
            
                5.60
             |                           
            
                5.80
             | 
            
                5.74
             |                     
            
                1.10
             |                                 
            
                288,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/1/2013
             | 
            
                +0.20 / +3.64%
             |             
            
                5.50
             |           
            
                5.80
             |               
            
                5.40
             |                           
            
                5.70
             | 
            
                5.65
             |                     
            
                1.08
             |                                 
            
                535,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/31/2013
             | 
            
                -0.10 / -1.79%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.40
             |                           
            
                5.50
             | 
            
                5.51
             |                     
            
                1.04
             |                                 
            
                347,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2013
             | 
            
                0.00 / 0.00%
             |             
            
                5.70
             |           
            
                5.70
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.67
             |                     
            
                1.06
             |                                 
            
                279,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/29/2013
             | 
            
                -0.40 / -6.67%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.70
             |                     
            
                1.06
             |                                 
            
                458,204
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2013
             | 
            
                +0.10 / +1.69%
             |             
            
                5.90
             |           
            
                6.00
             |               
            
                5.80
             |                           
            
                6.00
             | 
            
                5.90
             |                     
            
                1.13
             |                                 
            
                421,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/25/2013
             | 
            
                -0.10 / -1.67%
             |             
            
                6.00
             |           
            
                6.10
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.98
             |                     
            
                1.11
             |                                 
            
                319,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/24/2013
             | 
            
                -0.20 / -3.23%
             |             
            
                6.20
             |           
            
                6.20
             |               
            
                6.00
             |                           
            
                6.00
             | 
            
                6.05
             |                     
            
                1.13
             |                                 
            
                866,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.10
             |                           
            
                6.20
             | 
            
                6.22
             |                     
            
                1.17
             |                                 
            
                644,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/22/2013
             | 
            
                -0.10 / -1.59%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.10
             |                           
            
                6.20
             | 
            
                6.20
             |                     
            
                1.17
             |                                 
            
                673,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/19/2013
             | 
            
                0.00 / 0.00%
             |             
            
                6.30
             |           
            
                6.40
             |               
            
                6.20
             |                           
            
                6.30
             | 
            
                6.32
             |                     
            
                1.19
             |                                 
            
                400,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/18/2013
             | 
            
                -0.10 / -1.56%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                1.19
             |                                 
            
                395,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/17/2013
             | 
            
                -0.10 / -1.54%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.40
             | 
            
                6.39
             |                     
            
                1.21
             |                                 
            
                655,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/16/2013
             | 
            
                +0.10 / +1.56%
             |             
            
                6.40
             |           
            
                6.50
             |               
            
                6.40
             |                           
            
                6.50
             | 
            
                6.40
             |                     
            
                1.23
             |                                 
            
                330,484
             |            
            
                 
             |                                       
         
    
        
            | 
                7/15/2013
             | 
            
                -0.10 / -1.54%
             |             
            
                6.50
             |           
            
                6.60
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.41
             |                     
            
                1.21
             |                                 
            
                463,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |