| 
                 
                    Closing price on 12/22/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    3.60 | 
                 
                
                    | High | 
                    3.80 | 
                 
                
                    | Low | 
                    3.60 | 
                     
                
                    | Volume | 
                    26,600 | 
                                 
                
                    | Split-adjusted Price | 
                    3.49 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CMI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                12/22/2011
             | 
            
                -0.10 / -2.63%
             |             
            
                3.60
             |           
            
                3.80
             |               
            
                3.60
             |                           
            
                3.70
             | 
            
                3.66
             |                     
            
                3.49
             |                                 
            
                26,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/21/2011
             | 
            
                0.00 / 0.00%
             |             
            
                3.80
             |           
            
                3.80
             |               
            
                3.80
             |                           
            
                3.80
             | 
            
                3.80
             |                     
            
                3.59
             |                                 
            
                17,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/20/2011
             | 
            
                -0.10 / -2.56%
             |             
            
                3.60
             |           
            
                3.80
             |               
            
                3.60
             |                           
            
                3.80
             | 
            
                3.75
             |                     
            
                3.59
             |                                 
            
                3,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/19/2011
             | 
            
                +0.10 / +2.63%
             |             
            
                3.70
             |           
            
                3.90
             |               
            
                3.70
             |                           
            
                3.90
             | 
            
                3.82
             |                     
            
                3.68
             |                                 
            
                3,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/16/2011
             | 
            
                +0.20 / +5.56%
             |             
            
                3.50
             |           
            
                3.80
             |               
            
                3.50
             |                           
            
                3.80
             | 
            
                3.76
             |                     
            
                3.59
             |                                 
            
                26,700
             |            
            
                 
             |                                       
         
    
        
            | 
                12/15/2011
             | 
            
                -0.20 / -5.26%
             |             
            
                3.60
             |           
            
                3.70
             |               
            
                3.50
             |                           
            
                3.60
             | 
            
                3.57
             |                     
            
                3.40
             |                                 
            
                16,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/14/2011
             | 
            
                -0.10 / -2.56%
             |             
            
                3.70
             |           
            
                3.80
             |               
            
                3.70
             |                           
            
                3.80
             | 
            
                3.72
             |                     
            
                3.59
             |                                 
            
                21,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/13/2011
             | 
            
                -0.10 / -2.50%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                3.90
             |                           
            
                3.90
             | 
            
                3.92
             |                     
            
                3.68
             |                                 
            
                7,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/12/2011
             | 
            
                -0.10 / -2.44%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                3.90
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                3.78
             |                                 
            
                22,300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/9/2011
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.09
             |                     
            
                3.87
             |                                 
            
                38,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/8/2011
             | 
            
                -0.20 / -4.65%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.07
             |                     
            
                3.87
             |                                 
            
                48,500
             |            
            
                 
             |                                       
         
    
        
            | 
                12/7/2011
             | 
            
                -0.20 / -4.44%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                4.06
             |                                 
            
                47,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/6/2011
             | 
            
                -0.30 / -6.25%
             |             
            
                4.60
             |           
            
                5.00
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.57
             |                     
            
                4.25
             |                                 
            
                126,300
             |            
            
                 
             |                                       
         
    
        
            | 
                12/5/2011
             | 
            
                +0.30 / +6.67%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.75
             |                     
            
                4.53
             |                                 
            
                13,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/2/2011
             | 
            
                -0.10 / -2.17%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.46
             |                     
            
                4.25
             |                                 
            
                11,100
             |            
            
                 
             |                                       
         
    
        
            | 
                12/1/2011
             | 
            
                +0.10 / +2.22%
             |             
            
                4.30
             |           
            
                4.60
             |               
            
                4.30
             |                           
            
                4.60
             | 
            
                4.51
             |                     
            
                4.34
             |                                 
            
                46,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/30/2011
             | 
            
                -0.10 / -2.17%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                4.25
             |                                 
            
                17,100
             |            
            
                 
             |                                       
         
    
        
            | 
                11/29/2011
             | 
            
                0.00 / 0.00%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.30
             |                           
            
                4.60
             | 
            
                4.50
             |                     
            
                4.34
             |                                 
            
                99,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/28/2011
             | 
            
                +0.20 / +4.55%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.60
             | 
            
                4.51
             |                     
            
                4.34
             |                                 
            
                44,000
             |            
            
                 
             |                                       
         
    
        
            | 
                11/25/2011
             | 
            
                -0.10 / -2.22%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.20
             |                           
            
                4.40
             | 
            
                4.36
             |                     
            
                4.15
             |                                 
            
                37,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/24/2011
             | 
            
                +0.10 / +2.27%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.43
             |                     
            
                4.25
             |                                 
            
                37,400
             |            
            
                 
             |                                       
         
    
        
            | 
                11/23/2011
             | 
            
                +0.10 / +2.33%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.39
             |                     
            
                4.15
             |                                 
            
                37,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/22/2011
             | 
            
                +0.10 / +2.38%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.10
             |                           
            
                4.30
             | 
            
                4.21
             |                     
            
                4.06
             |                                 
            
                41,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/21/2011
             | 
            
                +0.10 / +2.44%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.19
             |                     
            
                3.97
             |                                 
            
                30,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/18/2011
             | 
            
                +0.10 / +2.50%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.08
             |                     
            
                3.87
             |                                 
            
                36,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/17/2011
             | 
            
                -0.30 / -6.98%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.17
             |                     
            
                3.78
             |                                 
            
                198,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/16/2011
             | 
            
                +0.20 / +4.88%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.27
             |                     
            
                4.06
             |                                 
            
                11,200
             |            
            
                 
             |                                       
         
    
        
            | 
                11/15/2011
             | 
            
                -0.10 / -2.38%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.07
             |                     
            
                3.87
             |                                 
            
                66,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/14/2011
             | 
            
                -0.30 / -6.67%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.24
             |                     
            
                3.97
             |                                 
            
                24,500
             |            
            
                 
             |                                       
         
    
        
            | 
                11/11/2011
             | 
            
                +0.10 / +2.27%
             |             
            
                4.10
             |           
            
                4.60
             |               
            
                4.10
             |                           
            
                4.50
             | 
            
                4.46
             |                     
            
                4.25
             |                                 
            
                27,900
             |  
            
                 
             |                                                              
             
    
         
    
    
 |