| 
                 
                    Closing price on 9/5/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.70 | 
                 
                
                    | High | 
                    6.80 | 
                 
                
                    | Low | 
                    6.50 | 
                     
                
                    | Volume | 
                    28,900 | 
                                 
                
                    | Split-adjusted Price | 
                    6.23 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CMI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/5/2011
             | 
            
                -0.10 / -1.49%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.50
             |                           
            
                6.60
             | 
            
                6.63
             |                     
            
                6.23
             |                                 
            
                28,900
             |            
            
                 
             |                                       
         
    
        
            | 
                9/1/2011
             | 
            
                +0.20 / +3.08%
             |             
            
                6.60
             |           
            
                6.70
             |               
            
                6.50
             |                           
            
                6.70
             | 
            
                6.58
             |                     
            
                6.33
             |                                 
            
                50,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2011
             | 
            
                -0.20 / -2.99%
             |             
            
                6.50
             |           
            
                6.80
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.65
             |                     
            
                6.14
             |                                 
            
                32,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2011
             | 
            
                +0.10 / +1.52%
             |             
            
                6.60
             |           
            
                6.90
             |               
            
                6.60
             |                           
            
                6.70
             | 
            
                6.73
             |                     
            
                6.33
             |                                 
            
                41,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/29/2011
             | 
            
                +0.20 / +3.13%
             |             
            
                6.50
             |           
            
                6.70
             |               
            
                6.50
             |                           
            
                6.60
             | 
            
                6.58
             |                     
            
                6.23
             |                                 
            
                10,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/26/2011
             | 
            
                0.00 / 0.00%
             |             
            
                6.40
             |           
            
                6.60
             |               
            
                6.20
             |                           
            
                6.40
             | 
            
                6.48
             |                     
            
                6.04
             |                                 
            
                37,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/25/2011
             | 
            
                +0.20 / +3.23%
             |             
            
                6.40
             |           
            
                6.50
             |               
            
                6.40
             |                           
            
                6.40
             | 
            
                6.43
             |                     
            
                6.04
             |                                 
            
                20,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/24/2011
             | 
            
                -0.30 / -4.62%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.25
             |                     
            
                5.85
             |                                 
            
                11,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/23/2011
             | 
            
                -0.10 / -1.52%
             |             
            
                6.50
             |           
            
                6.60
             |               
            
                6.30
             |                           
            
                6.50
             | 
            
                6.48
             |                     
            
                6.14
             |                                 
            
                35,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/22/2011
             | 
            
                +0.40 / +6.45%
             |             
            
                6.40
             |           
            
                6.70
             |               
            
                6.40
             |                           
            
                6.60
             | 
            
                6.54
             |                     
            
                6.23
             |                                 
            
                30,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/19/2011
             | 
            
                -0.20 / -3.13%
             |             
            
                6.30
             |           
            
                6.40
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.32
             |                     
            
                5.85
             |                                 
            
                16,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2011
             | 
            
                +0.10 / +1.59%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.30
             |                           
            
                6.40
             | 
            
                6.40
             |                     
            
                6.04
             |                                 
            
                19,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2011
             | 
            
                0.00 / 0.00%
             |             
            
                6.30
             |           
            
                6.60
             |               
            
                6.10
             |                           
            
                6.30
             | 
            
                6.36
             |                     
            
                5.95
             |                                 
            
                15,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2011
             | 
            
                +0.10 / +1.61%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.00
             |                           
            
                6.30
             | 
            
                6.25
             |                     
            
                5.95
             |                                 
            
                15,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2011
             | 
            
                +0.30 / +5.08%
             |             
            
                6.00
             |           
            
                6.20
             |               
            
                6.00
             |                           
            
                6.20
             | 
            
                6.15
             |                     
            
                5.85
             |                                 
            
                16,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/12/2011
             | 
            
                0.00 / 0.00%
             |             
            
                5.80
             |           
            
                5.90
             |               
            
                5.80
             |                           
            
                5.90
             | 
            
                5.89
             |                     
            
                5.57
             |                                 
            
                11,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2011
             | 
            
                -0.10 / -1.67%
             |             
            
                5.60
             |           
            
                5.90
             |               
            
                5.60
             |                           
            
                5.90
             | 
            
                5.85
             |                     
            
                5.57
             |                                 
            
                25,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2011
             | 
            
                +0.20 / +3.45%
             |             
            
                5.80
             |           
            
                6.00
             |               
            
                5.80
             |                           
            
                6.00
             | 
            
                5.88
             |                     
            
                5.66
             |                                 
            
                35,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2011
             | 
            
                -0.10 / -1.69%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                5.50
             |                           
            
                5.80
             | 
            
                5.76
             |                     
            
                5.48
             |                                 
            
                34,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2011
             | 
            
                -0.20 / -3.28%
             |             
            
                5.90
             |           
            
                6.10
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.93
             |                     
            
                5.57
             |                                 
            
                18,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/5/2011
             | 
            
                -0.10 / -1.61%
             |             
            
                6.10
             |           
            
                6.10
             |               
            
                6.10
             |                           
            
                6.10
             | 
            
                6.10
             |                     
            
                5.76
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2011
             | 
            
                +0.30 / +5.08%
             |             
            
                6.20
             |           
            
                6.30
             |               
            
                5.90
             |                           
            
                6.20
             | 
            
                6.05
             |                     
            
                5.85
             |                                 
            
                38,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2011
             | 
            
                -0.40 / -6.35%
             |             
            
                5.90
             |           
            
                5.90
             |               
            
                5.90
             |                           
            
                5.90
             | 
            
                5.90
             |                     
            
                5.57
             |                                 
            
                24,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2011
             | 
            
                -0.40 / -5.97%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                5.95
             |                                 
            
                5,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/1/2011
             | 
            
                +0.10 / +1.52%
             |             
            
                6.70
             |           
            
                6.80
             |               
            
                6.60
             |                           
            
                6.70
             | 
            
                6.67
             |                     
            
                6.33
             |                                 
            
                25,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/29/2011
             | 
            
                -0.40 / -5.71%
             |             
            
                7.00
             |           
            
                7.20
             |               
            
                6.60
             |                           
            
                6.60
             | 
            
                6.81
             |                     
            
                6.23
             |                                 
            
                50,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/28/2011
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.30
             |               
            
                6.70
             |                           
            
                7.00
             | 
            
                7.04
             |                     
            
                6.61
             |                                 
            
                61,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2011
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.30
             |               
            
                6.70
             |                           
            
                7.00
             | 
            
                6.95
             |                     
            
                6.61
             |                                 
            
                49,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2011
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                6.61
             |                                 
            
                8,600
             |            
            
                 
             |                                       
         
    
        
            | 
                7/25/2011
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.30
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.24
             |                     
            
                6.61
             |                                 
            
                23,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |