| 
                 
                    Closing price on 4/1/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    40.30 | 
                 
                
                    | High | 
                    40.40 | 
                 
                
                    | Low | 
                    38.90 | 
                     
                
                    | Volume | 
                    341,030 | 
                                 
                
                    | Split-adjusted Price | 
                    15.77 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CSM Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/1/2015
             | 
            
                -1.30 / -3.23%
             |             
            
                40.30
             |           
            
                40.40
             |               
            
                38.90
             |                           
            
                39.00
             | 
            
                39.60
             |                     
            
                15.77
             |                                 
            
                341,030
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2015
             | 
            
                -0.10 / -0.25%
             |             
            
                40.40
             |           
            
                40.50
             |               
            
                40.20
             |                           
            
                40.30
             | 
            
                40.31
             |                     
            
                16.30
             |                                 
            
                144,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2015
             | 
            
                +0.10 / +0.25%
             |             
            
                40.30
             |           
            
                40.80
             |               
            
                40.10
             |                           
            
                40.40
             | 
            
                40.44
             |                     
            
                16.34
             |                                 
            
                293,350
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2015
             | 
            
                +0.10 / +0.25%
             |             
            
                40.40
             |           
            
                41.00
             |               
            
                40.20
             |                           
            
                40.30
             | 
            
                40.41
             |                     
            
                16.30
             |                                 
            
                226,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2015
             | 
            
                0.00 / 0.00%
             |             
            
                40.30
             |           
            
                40.40
             |               
            
                40.10
             |                           
            
                40.20
             | 
            
                40.19
             |                     
            
                16.26
             |                                 
            
                273,060
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2015
             | 
            
                -0.20 / -0.50%
             |             
            
                40.40
             |           
            
                40.60
             |               
            
                40.10
             |                           
            
                40.20
             | 
            
                40.30
             |                     
            
                16.26
             |                                 
            
                868,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2015
             | 
            
                -0.20 / -0.49%
             |             
            
                40.30
             |           
            
                40.60
             |               
            
                40.30
             |                           
            
                40.40
             | 
            
                40.44
             |                     
            
                16.34
             |                                 
            
                210,590
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2015
             | 
            
                +0.50 / +1.25%
             |             
            
                40.10
             |           
            
                41.20
             |               
            
                40.10
             |                           
            
                40.60
             | 
            
                40.89
             |                     
            
                16.42
             |                                 
            
                193,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2015
             | 
            
                -0.70 / -1.72%
             |             
            
                40.80
             |           
            
                40.80
             |               
            
                40.10
             |                           
            
                40.10
             | 
            
                40.19
             |                     
            
                16.22
             |                                 
            
                2,533,480
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2015
             | 
            
                +0.10 / +0.25%
             |             
            
                40.50
             |           
            
                40.90
             |               
            
                40.50
             |                           
            
                40.80
             | 
            
                40.80
             |                     
            
                16.50
             |                                 
            
                155,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2015
             | 
            
                -0.10 / -0.25%
             |             
            
                40.50
             |           
            
                41.00
             |               
            
                40.50
             |                           
            
                40.70
             | 
            
                40.70
             |                     
            
                16.46
             |                                 
            
                41,730
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2015
             | 
            
                +0.60 / +1.49%
             |             
            
                40.70
             |           
            
                41.20
             |               
            
                40.40
             |                           
            
                40.80
             | 
            
                40.80
             |                     
            
                16.50
             |                                 
            
                166,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2015
             | 
            
                -0.10 / -0.25%
             |             
            
                40.30
             |           
            
                40.50
             |               
            
                40.20
             |                           
            
                40.20
             | 
            
                40.20
             |                     
            
                16.26
             |                                 
            
                165,660
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2015
             | 
            
                -0.20 / -0.49%
             |             
            
                40.50
             |           
            
                40.70
             |               
            
                40.20
             |                           
            
                40.30
             | 
            
                40.30
             |                     
            
                16.30
             |                                 
            
                35,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2015
             | 
            
                +0.10 / +0.25%
             |             
            
                40.70
             |           
            
                40.70
             |               
            
                40.20
             |                           
            
                40.50
             | 
            
                40.50
             |                     
            
                16.38
             |                                 
            
                178,570
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2015
             | 
            
                -0.20 / -0.49%
             |             
            
                40.90
             |           
            
                40.90
             |               
            
                40.40
             |                           
            
                40.40
             | 
            
                40.40
             |                     
            
                16.34
             |                                 
            
                83,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/10/2015
             | 
            
                +0.40 / +1.00%
             |             
            
                40.10
             |           
            
                40.80
             |               
            
                40.10
             |                           
            
                40.60
             | 
            
                40.60
             |                     
            
                16.42
             |                                 
            
                193,410
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2015
             | 
            
                -0.50 / -1.23%
             |             
            
                40.30
             |           
            
                40.50
             |               
            
                40.20
             |                           
            
                40.20
             | 
            
                40.20
             |                     
            
                16.26
             |                                 
            
                158,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2015
             | 
            
                -0.30 / -0.73%
             |             
            
                41.10
             |           
            
                41.10
             |               
            
                40.50
             |                           
            
                40.70
             | 
            
                40.70
             |                     
            
                16.46
             |                                 
            
                131,450
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2015
             | 
            
                -0.30 / -0.73%
             |             
            
                41.50
             |           
            
                41.50
             |               
            
                40.80
             |                           
            
                41.00
             | 
            
                41.00
             |                     
            
                16.58
             |                                 
            
                155,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2015
             | 
            
                0.00 / 0.00%
             |             
            
                41.40
             |           
            
                41.50
             |               
            
                40.90
             |                           
            
                41.30
             | 
            
                41.30
             |                     
            
                16.70
             |                                 
            
                161,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/3/2015
             | 
            
                +1.10 / +2.74%
             |             
            
                40.70
             |           
            
                41.30
             |               
            
                40.50
             |                           
            
                41.30
             | 
            
                41.30
             |                     
            
                16.70
             |                                 
            
                306,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2015
             | 
            
                +0.30 / +0.75%
             |             
            
                41.00
             |           
            
                41.00
             |               
            
                39.90
             |                           
            
                40.20
             | 
            
                40.20
             |                     
            
                16.26
             |                                 
            
                161,410
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2015
             | 
            
                0.00 / 0.00%
             |             
            
                40.00
             |           
            
                40.30
             |               
            
                39.90
             |                           
            
                39.90
             | 
            
                39.90
             |                     
            
                16.14
             |                                 
            
                244,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2015
             | 
            
                -0.30 / -0.75%
             |             
            
                40.20
             |           
            
                40.20
             |               
            
                39.90
             |                           
            
                39.90
             | 
            
                39.90
             |                     
            
                16.14
             |                                 
            
                291,040
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2015
             | 
            
                -0.40 / -0.99%
             |             
            
                40.60
             |           
            
                40.80
             |               
            
                38.20
             |                           
            
                40.20
             | 
            
                40.20
             |                     
            
                16.26
             |                                 
            
                238,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2015
             | 
            
                0.00 / 0.00%
             |             
            
                40.60
             |           
            
                41.00
             |               
            
                40.50
             |                           
            
                40.60
             | 
            
                40.60
             |                     
            
                16.42
             |                                 
            
                82,560
             |            
            
                 
             |                                       
         
    
        
            | 
                2/13/2015
             | 
            
                +0.10 / +0.25%
             |             
            
                40.50
             |           
            
                40.60
             |               
            
                40.20
             |                           
            
                40.60
             | 
            
                40.60
             |                     
            
                16.42
             |                                 
            
                94,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/12/2015
             | 
            
                +0.50 / +1.25%
             |             
            
                40.00
             |           
            
                40.90
             |               
            
                39.90
             |                           
            
                40.50
             | 
            
                40.50
             |                     
            
                16.38
             |                                 
            
                124,890
             |            
            
                 
             |                                       
         
    
        
            | 
                2/11/2015
             | 
            
                +0.30 / +0.76%
             |             
            
                39.70
             |           
            
                40.00
             |               
            
                39.70
             |                           
            
                40.00
             | 
            
                40.00
             |                     
            
                16.18
             |                                 
            
                50,070
             |  
            
                 
             |                                                              
             
    
         
    
    
 |