| 
                 
                    Closing price on 12/3/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    20.70 | 
                 
                
                    | High | 
                    20.70 | 
                 
                
                    | Low | 
                    20.20 | 
                     
                
                    | Volume | 
                    99,620 | 
                                 
                
                    | Split-adjusted Price | 
                    6.49 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CSM Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/3/2012
             | 
            
                -0.10 / -0.49%
             |             
            
                20.70
             |           
            
                20.70
             |               
            
                20.20
             |                           
            
                20.30
             | 
            
                20.30
             |                     
            
                6.49
             |                                 
            
                99,620
             |            
            
                 
             |                                       
         
    
        
            | 
                11/30/2012
             | 
            
                -0.20 / -0.97%
             |             
            
                20.70
             |           
            
                20.90
             |               
            
                20.40
             |                           
            
                20.40
             | 
            
                20.40
             |                     
            
                6.52
             |                                 
            
                81,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/29/2012
             | 
            
                0.00 / 0.00%
             |             
            
                20.60
             |           
            
                20.90
             |               
            
                20.60
             |                           
            
                20.60
             | 
            
                20.60
             |                     
            
                6.59
             |                                 
            
                67,360
             |            
            
                 
             |                                       
         
    
        
            | 
                11/28/2012
             | 
            
                -0.40 / -1.90%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                20.60
             |                           
            
                20.60
             | 
            
                20.60
             |                     
            
                6.59
             |                                 
            
                209,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/27/2012
             | 
            
                -0.10 / -0.47%
             |             
            
                21.10
             |           
            
                21.20
             |               
            
                21.00
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                6.72
             |                                 
            
                81,810
             |            
            
                 
             |                                       
         
    
        
            | 
                11/26/2012
             | 
            
                -0.20 / -0.94%
             |             
            
                21.30
             |           
            
                21.30
             |               
            
                21.00
             |                           
            
                21.10
             | 
            
                21.10
             |                     
            
                6.75
             |                                 
            
                121,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/23/2012
             | 
            
                0.00 / 0.00%
             |             
            
                21.30
             |           
            
                21.50
             |               
            
                21.30
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                6.81
             |                                 
            
                170,610
             |            
            
                 
             |                                       
         
    
        
            | 
                11/22/2012
             | 
            
                0.00 / 0.00%
             |             
            
                21.30
             |           
            
                21.40
             |               
            
                21.30
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                6.81
             |                                 
            
                58,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/21/2012
             | 
            
                -0.20 / -0.93%
             |             
            
                21.50
             |           
            
                21.50
             |               
            
                21.30
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                6.81
             |                                 
            
                62,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/20/2012
             | 
            
                +0.20 / +0.94%
             |             
            
                21.30
             |           
            
                21.50
             |               
            
                21.30
             |                           
            
                21.50
             | 
            
                21.50
             |                     
            
                6.88
             |                                 
            
                88,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/19/2012
             | 
            
                -0.20 / -0.93%
             |             
            
                21.50
             |           
            
                21.60
             |               
            
                21.30
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                6.81
             |                                 
            
                83,690
             |            
            
                 
             |                                       
         
    
        
            | 
                11/16/2012
             | 
            
                +0.10 / +0.47%
             |             
            
                21.40
             |           
            
                21.60
             |               
            
                21.30
             |                           
            
                21.50
             | 
            
                21.50
             |                     
            
                6.88
             |                                 
            
                109,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2012
             | 
            
                -0.50 / -2.28%
             |             
            
                21.90
             |           
            
                21.90
             |               
            
                21.40
             |                           
            
                21.40
             | 
            
                21.40
             |                     
            
                6.84
             |                                 
            
                423,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2012
             | 
            
                +0.10 / +0.46%
             |             
            
                21.80
             |           
            
                22.00
             |               
            
                21.80
             |                           
            
                21.90
             | 
            
                21.90
             |                     
            
                7.00
             |                                 
            
                84,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2012
             | 
            
                -0.40 / -1.80%
             |             
            
                22.20
             |           
            
                22.20
             |               
            
                21.80
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                6.97
             |                                 
            
                197,090
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2012
             | 
            
                +0.50 / +2.30%
             |             
            
                21.90
             |           
            
                22.30
             |               
            
                21.60
             |                           
            
                22.20
             | 
            
                22.20
             |                     
            
                7.10
             |                                 
            
                249,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/9/2012
             | 
            
                +0.10 / +0.46%
             |             
            
                21.40
             |           
            
                21.70
             |               
            
                21.40
             |                           
            
                21.70
             | 
            
                21.70
             |                     
            
                6.94
             |                                 
            
                107,450
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2012
             | 
            
                -0.20 / -0.92%
             |             
            
                21.80
             |           
            
                21.80
             |               
            
                21.30
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                6.91
             |                                 
            
                161,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2012
             | 
            
                +0.40 / +1.87%
             |             
            
                21.40
             |           
            
                22.00
             |               
            
                21.40
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                6.97
             |                                 
            
                173,250
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2012
             | 
            
                +0.10 / +0.47%
             |             
            
                21.40
             |           
            
                21.50
             |               
            
                21.20
             |                           
            
                21.40
             | 
            
                21.40
             |                     
            
                6.84
             |                                 
            
                213,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2012
             | 
            
                0.00 / 0.00%
             |             
            
                21.00
             |           
            
                21.70
             |               
            
                21.00
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                6.81
             |                                 
            
                314,130
             |            
            
                 
             |                                       
         
    
        
            | 
                11/2/2012
             | 
            
                -1.10 / -4.91%
             |             
            
                21.70
             |           
            
                22.00
             |               
            
                21.30
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                6.81
             |                                 
            
                789,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2012
             | 
            
                0.00 / 0.00%
             |             
            
                22.40
             |           
            
                22.60
             |               
            
                22.40
             |                           
            
                22.40
             | 
            
                22.40
             |                     
            
                7.16
             |                                 
            
                102,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2012
             | 
            
                0.00 / 0.00%
             |             
            
                22.40
             |           
            
                22.50
             |               
            
                22.20
             |                           
            
                22.40
             | 
            
                22.40
             |                     
            
                7.16
             |                                 
            
                353,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2012
             | 
            
                -0.10 / -0.44%
             |             
            
                22.50
             |           
            
                22.60
             |               
            
                22.40
             |                           
            
                22.40
             | 
            
                22.40
             |                     
            
                7.16
             |                                 
            
                217,640
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2012
             | 
            
                -0.10 / -0.44%
             |             
            
                22.60
             |           
            
                22.70
             |               
            
                22.50
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                7.20
             |                                 
            
                166,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/26/2012
             | 
            
                -0.10 / -0.44%
             |             
            
                22.70
             |           
            
                22.90
             |               
            
                22.60
             |                           
            
                22.60
             | 
            
                22.60
             |                     
            
                7.23
             |                                 
            
                239,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2012
             | 
            
                0.00 / 0.00%
             |             
            
                22.70
             |           
            
                22.70
             |               
            
                22.50
             |                           
            
                22.70
             | 
            
                22.70
             |                     
            
                7.26
             |                                 
            
                409,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2012
             | 
            
                -0.10 / -0.44%
             |             
            
                22.70
             |           
            
                22.90
             |               
            
                22.50
             |                           
            
                22.70
             | 
            
                22.70
             |                     
            
                7.26
             |                                 
            
                414,590
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2012
             | 
            
                +0.10 / +0.44%
             |             
            
                22.80
             |           
            
                23.00
             |               
            
                22.70
             |                           
            
                22.80
             | 
            
                22.80
             |                     
            
                7.29
             |                                 
            
                246,720
             |  
            
                 
             |                                                              
             
    
         
    
    
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