| 
                 
                    Closing price on 8/13/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    26.90 | 
                 
                
                    | High | 
                    26.90 | 
                 
                
                    | Low | 
                    26.30 | 
                     
                
                    | Volume | 
                    380,140 | 
                                 
                
                    | Split-adjusted Price | 
                    7.62 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CSM Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/13/2012
             | 
            
                -0.20 / -0.74%
             |             
            
                26.90
             |           
            
                26.90
             |               
            
                26.30
             |                           
            
                26.70
             | 
            
                26.70
             |                     
            
                7.62
             |                                 
            
                380,140
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2012
             | 
            
                -0.20 / -0.74%
             |             
            
                27.00
             |           
            
                27.30
             |               
            
                26.80
             |                           
            
                26.90
             | 
            
                26.90
             |                     
            
                7.68
             |                                 
            
                609,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2012
             | 
            
                +0.10 / +0.37%
             |             
            
                27.20
             |           
            
                28.00
             |               
            
                27.10
             |                           
            
                27.10
             | 
            
                27.10
             |                     
            
                7.74
             |                                 
            
                344,860
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2012
             | 
            
                0.00 / 0.00%
             |             
            
                27.20
             |           
            
                27.30
             |               
            
                26.90
             |                           
            
                27.00
             | 
            
                27.00
             |                     
            
                7.71
             |                                 
            
                264,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/7/2012
             | 
            
                -0.30 / -1.10%
             |             
            
                27.50
             |           
            
                27.50
             |               
            
                26.90
             |                           
            
                27.00
             | 
            
                27.00
             |                     
            
                7.71
             |                                 
            
                632,670
             |            
            
                 
             |                                       
         
    
        
            | 
                8/6/2012
             | 
            
                +1.30 / +5.00%
             |             
            
                26.30
             |           
            
                27.30
             |               
            
                26.30
             |                           
            
                27.30
             | 
            
                27.30
             |                     
            
                7.80
             |                                 
            
                964,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2012
             | 
            
                +0.10 / +0.39%
             |             
            
                25.70
             |           
            
                26.20
             |               
            
                25.70
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                7.42
             |                                 
            
                332,480
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2012
             | 
            
                0.00 / 0.00%
             |             
            
                26.00
             |           
            
                26.20
             |               
            
                25.90
             |                           
            
                25.90
             | 
            
                25.90
             |                     
            
                7.40
             |                                 
            
                256,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/1/2012
             | 
            
                -0.10 / -0.38%
             |             
            
                26.00
             |           
            
                26.00
             |               
            
                25.40
             |                           
            
                25.90
             | 
            
                25.90
             |                     
            
                7.40
             |                                 
            
                430,420
             |            
            
                 
             |                                       
         
    
        
            | 
                7/31/2012
             | 
            
                +0.40 / +1.56%
             |             
            
                25.80
             |           
            
                26.10
             |               
            
                25.60
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                7.42
             |                                 
            
                378,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2012
             | 
            
                -0.10 / -0.39%
             |             
            
                25.50
             |           
            
                26.10
             |               
            
                25.40
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                7.31
             |                                 
            
                628,450
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2012
             | 
            
                -0.80 / -3.02%
             |             
            
                26.60
             |           
            
                26.90
             |               
            
                25.50
             |                           
            
                25.70
             | 
            
                25.70
             |                     
            
                7.34
             |                                 
            
                782,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2012
             | 
            
                +0.50 / +1.92%
             |             
            
                26.40
             |           
            
                26.90
             |               
            
                26.10
             |                           
            
                26.50
             | 
            
                26.50
             |                     
            
                7.57
             |                                 
            
                426,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/25/2012
             | 
            
                +0.20 / +0.78%
             |             
            
                25.50
             |           
            
                26.40
             |               
            
                25.40
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                7.42
             |                                 
            
                651,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/24/2012
             | 
            
                -1.10 / -4.09%
             |             
            
                26.60
             |           
            
                27.00
             |               
            
                25.70
             |                           
            
                25.80
             | 
            
                25.80
             |                     
            
                7.37
             |                                 
            
                917,080
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2012
             | 
            
                -0.50 / -1.82%
             |             
            
                27.20
             |           
            
                27.70
             |               
            
                26.90
             |                           
            
                26.90
             | 
            
                26.90
             |                     
            
                7.68
             |                                 
            
                714,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/20/2012
             | 
            
                -0.30 / -1.08%
             |             
            
                28.00
             |           
            
                28.70
             |               
            
                27.40
             |                           
            
                27.40
             | 
            
                27.40
             |                     
            
                7.82
             |                                 
            
                1,025,360
             |            
            
                 
             |                                       
         
    
        
            | 
                7/19/2012
             | 
            
                +1.30 / +4.92%
             |             
            
                26.50
             |           
            
                27.70
             |               
            
                26.40
             |                           
            
                27.70
             | 
            
                27.70
             |                     
            
                7.91
             |                                 
            
                1,137,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/18/2012
             | 
            
                +1.10 / +4.35%
             |             
            
                25.00
             |           
            
                26.40
             |               
            
                24.50
             |                           
            
                26.40
             | 
            
                26.40
             |                     
            
                7.54
             |                                 
            
                1,125,310
             |            
            
                 
             |                                       
         
    
        
            | 
                7/17/2012
             | 
            
                +0.50 / +2.02%
             |             
            
                24.60
             |           
            
                25.80
             |               
            
                24.50
             |                           
            
                25.30
             | 
            
                25.30
             |                     
            
                7.22
             |                                 
            
                605,340
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/16/2012
             | 
            
                -0.70 / -2.75%
             |             
            
                25.50
             |           
            
                26.50
             |               
            
                24.50
             |                           
            
                24.80
             | 
            
                24.80
             |                     
            
                7.08
             |                                 
            
                707,380
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2012
             | 
            
                +1.20 / +4.94%
             |             
            
                24.10
             |           
            
                25.50
             |               
            
                24.10
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                7.28
             |                                 
            
                918,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/12/2012
             | 
            
                +0.20 / +0.83%
             |             
            
                24.10
             |           
            
                24.50
             |               
            
                23.90
             |                           
            
                24.30
             | 
            
                24.30
             |                     
            
                6.94
             |                                 
            
                228,720
             |            
            
                 
             |                                       
         
    
        
            | 
                7/11/2012
             | 
            
                -0.10 / -0.41%
             |             
            
                23.80
             |           
            
                24.40
             |               
            
                23.60
             |                           
            
                24.10
             | 
            
                24.10
             |                     
            
                6.88
             |                                 
            
                390,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/10/2012
             | 
            
                -0.10 / -0.41%
             |             
            
                24.00
             |           
            
                24.50
             |               
            
                23.50
             |                           
            
                24.20
             | 
            
                24.20
             |                     
            
                6.91
             |                                 
            
                541,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/9/2012
             | 
            
                -1.20 / -4.71%
             |             
            
                24.60
             |           
            
                25.00
             |               
            
                24.30
             |                           
            
                24.30
             | 
            
                24.30
             |                     
            
                6.94
             |                                 
            
                493,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/6/2012
             | 
            
                +1.20 / +4.94%
             |             
            
                24.30
             |           
            
                25.50
             |               
            
                24.30
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                7.28
             |                                 
            
                720,110
             |            
            
                 
             |                                       
         
    
        
            | 
                7/5/2012
             | 
            
                +1.10 / +4.74%
             |             
            
                23.60
             |           
            
                24.30
             |               
            
                22.80
             |                           
            
                24.30
             | 
            
                24.30
             |                     
            
                6.94
             |                                 
            
                477,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/4/2012
             | 
            
                -0.60 / -2.52%
             |             
            
                24.00
             |           
            
                24.50
             |               
            
                23.20
             |                           
            
                23.20
             | 
            
                23.20
             |                     
            
                6.63
             |                                 
            
                417,510
             |            
            
                 
             |                                       
         
    
        
            | 
                7/3/2012
             | 
            
                -0.30 / -1.24%
             |             
            
                24.10
             |           
            
                24.10
             |               
            
                23.00
             |                           
            
                23.80
             | 
            
                23.80
             |                     
            
                6.80
             |                                 
            
                477,330
             |  
            
                 
             |                                                              
             
    
         
    
    
 |