| 
                 
                    Closing price on 6/27/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    25.00 | 
                 
                
                    | High | 
                    26.00 | 
                 
                
                    | Low | 
                    24.10 | 
                     
                
                    | Volume | 
                    726,580 | 
                                 
                
                    | Split-adjusted Price | 
                    6.88 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CSM Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/27/2012
             | 
            
                -1.20 / -4.74%
             |             
            
                25.00
             |           
            
                26.00
             |               
            
                24.10
             |                           
            
                24.10
             | 
            
                24.10
             |                     
            
                6.88
             |                                 
            
                726,580
             |            
            
                 
             |                                       
         
    
        
            | 
                6/26/2012
             | 
            
                -1.30 / -4.89%
             |             
            
                26.20
             |           
            
                26.20
             |               
            
                25.30
             |                           
            
                25.30
             | 
            
                25.30
             |                     
            
                7.22
             |                                 
            
                801,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2012
             | 
            
                -1.30 / -4.66%
             |             
            
                27.90
             |           
            
                27.90
             |               
            
                26.60
             |                           
            
                26.60
             | 
            
                26.60
             |                     
            
                7.60
             |                                 
            
                623,310
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2012
             | 
            
                -0.20 / -0.71%
             |             
            
                27.90
             |           
            
                27.90
             |               
            
                27.30
             |                           
            
                27.90
             | 
            
                27.90
             |                     
            
                7.97
             |                                 
            
                703,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                28.00
             |           
            
                28.60
             |               
            
                27.80
             |                           
            
                28.10
             | 
            
                28.10
             |                     
            
                8.02
             |                                 
            
                632,350
             |            
            
                 
             |                                       
         
    
        
            | 
                6/20/2012
             | 
            
                +0.60 / +2.18%
             |             
            
                27.80
             |           
            
                28.50
             |               
            
                27.40
             |                           
            
                28.10
             | 
            
                28.10
             |                     
            
                8.02
             |                                 
            
                800,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/19/2012
             | 
            
                -0.90 / -3.17%
             |             
            
                28.00
             |           
            
                28.40
             |               
            
                27.20
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                7.85
             |                                 
            
                658,010
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2012
             | 
            
                +1.30 / +4.80%
             |             
            
                28.30
             |           
            
                28.40
             |               
            
                27.60
             |                           
            
                28.40
             | 
            
                28.40
             |                     
            
                8.11
             |                                 
            
                707,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2012
             | 
            
                +1.20 / +4.63%
             |             
            
                26.40
             |           
            
                27.10
             |               
            
                26.10
             |                           
            
                27.10
             | 
            
                27.10
             |                     
            
                7.74
             |                                 
            
                833,160
             |            
            
                 
             |                                       
         
    
        
            | 
                6/14/2012
             | 
            
                -1.10 / -4.07%
             |             
            
                27.00
             |           
            
                27.00
             |               
            
                25.90
             |                           
            
                25.90
             | 
            
                25.90
             |                     
            
                7.40
             |                                 
            
                646,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/13/2012
             | 
            
                +0.40 / +1.50%
             |             
            
                26.90
             |           
            
                27.70
             |               
            
                26.00
             |                           
            
                27.00
             | 
            
                27.00
             |                     
            
                7.71
             |                                 
            
                541,480
             |            
            
                 
             |                                       
         
    
        
            | 
                6/12/2012
             | 
            
                -1.40 / -5.00%
             |             
            
                27.40
             |           
            
                28.00
             |               
            
                26.60
             |                           
            
                26.60
             | 
            
                26.60
             |                     
            
                7.60
             |                                 
            
                860,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2012
             | 
            
                +1.30 / +4.87%
             |             
            
                27.00
             |           
            
                28.00
             |               
            
                26.50
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                8.00
             |                                 
            
                976,690
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2012
             | 
            
                +0.90 / +3.49%
             |             
            
                27.00
             |           
            
                27.00
             |               
            
                26.60
             |                           
            
                26.70
             | 
            
                26.70
             |                     
            
                7.62
             |                                 
            
                1,366,460
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/7/2012
             | 
            
                +1.20 / +4.88%
             |             
            
                25.20
             |           
            
                25.80
             |               
            
                25.20
             |                           
            
                25.80
             | 
            
                25.80
             |                     
            
                7.37
             |                                 
            
                475,580
             |            
            
                 
             |                                       
         
    
        
            | 
                6/6/2012
             | 
            
                +1.10 / +4.68%
             |             
            
                23.20
             |           
            
                24.60
             |               
            
                23.20
             |                           
            
                24.60
             | 
            
                24.60
             |                     
            
                7.03
             |                                 
            
                632,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2012
             | 
            
                +0.80 / +3.52%
             |             
            
                22.80
             |           
            
                23.60
             |               
            
                22.00
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                6.71
             |                                 
            
                418,250
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2012
             | 
            
                -1.10 / -4.62%
             |             
            
                23.20
             |           
            
                23.60
             |               
            
                22.70
             |                           
            
                22.70
             | 
            
                22.70
             |                     
            
                6.48
             |                                 
            
                561,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2012
             | 
            
                -0.30 / -1.24%
             |             
            
                23.70
             |           
            
                24.50
             |               
            
                23.40
             |                           
            
                23.80
             | 
            
                23.80
             |                     
            
                6.80
             |                                 
            
                342,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/31/2012
             | 
            
                -1.20 / -4.74%
             |             
            
                24.40
             |           
            
                25.00
             |               
            
                24.10
             |                           
            
                24.10
             | 
            
                24.10
             |                     
            
                6.88
             |                                 
            
                829,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/30/2012
             | 
            
                +0.30 / +1.20%
             |             
            
                25.60
             |           
            
                26.10
             |               
            
                25.00
             |                           
            
                25.30
             | 
            
                25.30
             |                     
            
                7.22
             |                                 
            
                328,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2012
             | 
            
                +1.10 / +4.60%
             |             
            
                23.90
             |           
            
                25.00
             |               
            
                23.20
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                7.14
             |                                 
            
                1,025,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2012
             | 
            
                +1.10 / +4.82%
             |             
            
                23.90
             |           
            
                23.90
             |               
            
                23.70
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                6.83
             |                                 
            
                869,950
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2012
             | 
            
                +1.00 / +4.59%
             |             
            
                22.60
             |           
            
                22.80
             |               
            
                22.00
             |                           
            
                22.80
             | 
            
                22.80
             |                     
            
                6.51
             |                                 
            
                699,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/24/2012
             | 
            
                -1.10 / -4.80%
             |             
            
                21.90
             |           
            
                22.90
             |               
            
                21.80
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                6.23
             |                                 
            
                507,550
             |            
            
                 
             |                                       
         
    
        
            | 
                5/23/2012
             | 
            
                -1.20 / -4.98%
             |             
            
                23.00
             |           
            
                23.20
             |               
            
                22.90
             |                           
            
                22.90
             | 
            
                22.90
             |                     
            
                6.54
             |                                 
            
                824,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2012
             | 
            
                -1.20 / -4.74%
             |             
            
                25.30
             |           
            
                25.50
             |               
            
                24.10
             |                           
            
                24.10
             | 
            
                24.10
             |                     
            
                6.88
             |                                 
            
                668,150
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2012
             | 
            
                +1.20 / +4.98%
             |             
            
                22.90
             |           
            
                25.30
             |               
            
                22.90
             |                           
            
                25.30
             | 
            
                25.30
             |                     
            
                7.22
             |                                 
            
                1,424,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2012
             | 
            
                -1.20 / -4.74%
             |             
            
                24.10
             |           
            
                24.10
             |               
            
                24.10
             |                           
            
                24.10
             | 
            
                24.10
             |                     
            
                6.88
             |                                 
            
                30,060
             |            
            
                 
             |                                       
         
    
        
            | 
                5/17/2012
             | 
            
                -1.30 / -4.89%
             |             
            
                26.00
             |           
            
                26.90
             |               
            
                25.30
             |                           
            
                25.30
             | 
            
                25.30
             |                     
            
                7.22
             |                                 
            
                801,130
             |  
            
                 
             |                                                              
             
    
         
    
    
 |