| 
                 
                    Closing price on 5/6/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.20 | 
                 
                
                    | High | 
                    8.40 | 
                 
                
                    | Low | 
                    8.00 | 
                     
                
                    | Volume | 
                    27,000 | 
                                 
                
                    | Split-adjusted Price | 
                    7.74 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CMI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/6/2011
             | 
            
                -0.20 / -2.38%
             |             
            
                8.20
             |           
            
                8.40
             |               
            
                8.00
             |                           
            
                8.20
             | 
            
                8.16
             |                     
            
                7.74
             |                                 
            
                27,000
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2011
             | 
            
                -0.30 / -3.45%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                8.10
             |                           
            
                8.40
             | 
            
                8.20
             |                     
            
                7.93
             |                                 
            
                63,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2011
             | 
            
                +0.10 / +1.16%
             |             
            
                8.70
             |           
            
                8.90
             |               
            
                8.30
             |                           
            
                8.70
             | 
            
                8.69
             |                     
            
                8.21
             |                                 
            
                20,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2011
             | 
            
                -0.10 / -1.15%
             |             
            
                8.60
             |           
            
                8.70
             |               
            
                8.30
             |                           
            
                8.60
             | 
            
                8.53
             |                     
            
                8.12
             |                                 
            
                26,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2011
             | 
            
                +0.10 / +1.16%
             |             
            
                8.30
             |           
            
                8.70
             |               
            
                8.30
             |                           
            
                8.70
             | 
            
                8.61
             |                     
            
                8.21
             |                                 
            
                32,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2011
             | 
            
                +0.10 / +1.18%
             |             
            
                8.40
             |           
            
                8.60
             |               
            
                8.20
             |                           
            
                8.60
             | 
            
                8.41
             |                     
            
                8.12
             |                                 
            
                36,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2011
             | 
            
                +0.50 / +6.25%
             |             
            
                8.40
             |           
            
                8.50
             |               
            
                8.20
             |                           
            
                8.50
             | 
            
                8.39
             |                     
            
                8.03
             |                                 
            
                85,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2011
             | 
            
                +0.30 / +3.90%
             |             
            
                7.50
             |           
            
                8.00
             |               
            
                7.50
             |                           
            
                8.00
             | 
            
                7.99
             |                     
            
                7.55
             |                                 
            
                79,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2011
             | 
            
                -0.10 / -1.28%
             |             
            
                7.60
             |           
            
                7.80
             |               
            
                7.20
             |                           
            
                7.70
             | 
            
                7.53
             |                     
            
                7.27
             |                                 
            
                54,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2011
             | 
            
                -0.30 / -3.70%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.60
             |                           
            
                7.80
             | 
            
                7.69
             |                     
            
                7.36
             |                                 
            
                44,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2011
             | 
            
                -0.40 / -4.71%
             |             
            
                8.70
             |           
            
                8.70
             |               
            
                8.00
             |                           
            
                8.10
             | 
            
                8.05
             |                     
            
                7.65
             |                                 
            
                66,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2011
             | 
            
                -0.40 / -4.49%
             |             
            
                8.90
             |           
            
                9.00
             |               
            
                8.40
             |                           
            
                8.50
             | 
            
                8.54
             |                     
            
                8.03
             |                                 
            
                46,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2011
             | 
            
                -0.30 / -3.26%
             |             
            
                9.00
             |           
            
                9.10
             |               
            
                8.80
             |                           
            
                8.90
             | 
            
                8.86
             |                     
            
                8.40
             |                                 
            
                38,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2011
             | 
            
                -0.40 / -4.17%
             |             
            
                9.40
             |           
            
                9.70
             |               
            
                9.20
             |                           
            
                9.20
             | 
            
                9.42
             |                     
            
                8.69
             |                                 
            
                13,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2011
             | 
            
                -0.50 / -4.95%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.40
             |                           
            
                9.60
             | 
            
                9.66
             |                     
            
                9.06
             |                                 
            
                20,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2011
             | 
            
                -0.10 / -0.98%
             |             
            
                10.60
             |           
            
                10.70
             |               
            
                10.00
             |                           
            
                10.10
             | 
            
                10.09
             |                     
            
                9.54
             |                                 
            
                17,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2011
             | 
            
                -0.20 / -1.92%
             |             
            
                10.50
             |           
            
                10.50
             |               
            
                10.00
             |                           
            
                10.20
             | 
            
                10.15
             |                     
            
                9.63
             |                                 
            
                14,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2011
             | 
            
                -0.30 / -2.80%
             |             
            
                10.80
             |           
            
                10.80
             |               
            
                10.40
             |                           
            
                10.40
             | 
            
                10.62
             |                     
            
                9.82
             |                                 
            
                6,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2011
             | 
            
                +0.50 / +4.90%
             |             
            
                10.20
             |           
            
                10.80
             |               
            
                10.20
             |                           
            
                10.70
             | 
            
                10.48
             |                     
            
                10.10
             |                                 
            
                17,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2011
             | 
            
                -0.20 / -1.92%
             |             
            
                10.30
             |           
            
                10.40
             |               
            
                10.10
             |                           
            
                10.20
             | 
            
                10.17
             |                     
            
                9.63
             |                                 
            
                29,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2011
             | 
            
                -0.60 / -5.45%
             |             
            
                10.90
             |           
            
                10.90
             |               
            
                10.30
             |                           
            
                10.40
             | 
            
                10.54
             |                     
            
                9.82
             |                                 
            
                25,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2011
             | 
            
                +0.10 / +0.92%
             |             
            
                11.00
             |           
            
                11.00
             |               
            
                10.80
             |                           
            
                11.00
             | 
            
                10.91
             |                     
            
                10.39
             |                                 
            
                7,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2011
             | 
            
                +0.10 / +0.93%
             |             
            
                11.20
             |           
            
                11.40
             |               
            
                10.70
             |                           
            
                10.90
             | 
            
                10.93
             |                     
            
                10.29
             |                                 
            
                7,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2011
             | 
            
                -0.30 / -2.70%
             |             
            
                10.90
             |           
            
                11.10
             |               
            
                10.80
             |                           
            
                10.80
             | 
            
                10.86
             |                     
            
                10.20
             |                                 
            
                21,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2011
             | 
            
                -0.50 / -4.31%
             |             
            
                11.70
             |           
            
                11.70
             |               
            
                11.10
             |                           
            
                11.10
             | 
            
                11.35
             |                     
            
                10.48
             |                                 
            
                15,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2011
             | 
            
                -0.30 / -2.52%
             |             
            
                11.70
             |           
            
                11.90
             |               
            
                11.50
             |                           
            
                11.60
             | 
            
                11.65
             |                     
            
                10.95
             |                                 
            
                16,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2011
             | 
            
                -0.90 / -7.03%
             |             
            
                12.20
             |           
            
                12.20
             |               
            
                11.70
             |                           
            
                11.90
             | 
            
                11.90
             |                     
            
                11.24
             |                                 
            
                50,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/24/2011
             | 
            
                +0.50 / +4.07%
             |             
            
                12.20
             |           
            
                12.90
             |               
            
                12.20
             |                           
            
                12.80
             | 
            
                12.87
             |                     
            
                11.15
             |                                 
            
                92,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2011
             | 
            
                0.00 / 0.00%
             |             
            
                12.20
             |           
            
                12.30
             |               
            
                11.80
             |                           
            
                12.30
             | 
            
                12.06
             |                     
            
                10.71
             |                                 
            
                34,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2011
             | 
            
                -0.30 / -2.38%
             |             
            
                12.60
             |           
            
                12.70
             |               
            
                12.00
             |                           
            
                12.30
             | 
            
                12.22
             |                     
            
                10.71
             |                                 
            
                54,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |