| 
                 
                    Closing price on 8/21/2017
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.00 | 
                 
                
                    | High | 
                    4.20 | 
                 
                
                    | Low | 
                    4.00 | 
                     
                
                    | Volume | 
                    442,430 | 
                                 
                
                    | Split-adjusted Price | 
                    4.20 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CMI Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/21/2017
             | 
            
                +0.30 / +7.69%
             |             
            
                4.00
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.20
             | 
            
                4.19
             |                     
            
                4.20
             |                                 
            
                442,430
             |            
            
                 
             |                                       
         
    
        
            | 
                8/18/2017
             | 
            
                -0.20 / -4.88%
             |             
            
                4.10
             |           
            
                4.10
             |               
            
                3.80
             |                           
            
                3.90
             | 
            
                3.90
             |                     
            
                3.90
             |                                 
            
                206,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/17/2017
             | 
            
                -0.40 / -8.89%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.17
             |                     
            
                4.10
             |                                 
            
                304,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/16/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.50
             |           
            
                4.70
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.53
             |                     
            
                4.50
             |                                 
            
                487,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/15/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.60
             |               
            
                4.10
             |                           
            
                4.50
             | 
            
                4.26
             |                     
            
                4.50
             |                                 
            
                557,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/14/2017
             | 
            
                -0.40 / -8.16%
             |             
            
                4.80
             |           
            
                4.80
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.51
             |                     
            
                4.50
             |                                 
            
                605,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/11/2017
             | 
            
                -0.10 / -2.00%
             |             
            
                5.10
             |           
            
                5.10
             |               
            
                4.90
             |                           
            
                4.90
             | 
            
                4.96
             |                     
            
                4.90
             |                                 
            
                172,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/10/2017
             | 
            
                -0.20 / -3.85%
             |             
            
                5.10
             |           
            
                5.40
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.15
             |                     
            
                5.00
             |                                 
            
                169,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/9/2017
             | 
            
                -0.50 / -8.77%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.20
             |                           
            
                5.20
             | 
            
                5.24
             |                     
            
                5.20
             |                                 
            
                701,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/8/2017
             | 
            
                -0.60 / -9.52%
             |             
            
                6.30
             |           
            
                6.50
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.88
             |                     
            
                5.70
             |                                 
            
                443,623
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/7/2017
             | 
            
                0.00 / 0.00%
             |             
            
                6.30
             |           
            
                6.50
             |               
            
                6.10
             |                           
            
                6.30
             | 
            
                6.22
             |                     
            
                6.30
             |                                 
            
                219,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2017
             | 
            
                0.00 / 0.00%
             |             
            
                6.30
             |           
            
                6.50
             |               
            
                6.10
             |                           
            
                6.30
             | 
            
                6.32
             |                     
            
                6.30
             |                                 
            
                393,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/3/2017
             | 
            
                -0.30 / -4.55%
             |             
            
                6.50
             |           
            
                6.70
             |               
            
                6.20
             |                           
            
                6.30
             | 
            
                6.43
             |                     
            
                6.30
             |                                 
            
                432,631
             |            
            
                 
             |                                       
         
    
        
            | 
                8/2/2017
             | 
            
                +0.60 / +10.00%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.40
             |                           
            
                6.60
             | 
            
                6.56
             |                     
            
                6.60
             |                                 
            
                784,723
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/1/2017
             | 
            
                +0.50 / +9.09%
             |             
            
                6.00
             |           
            
                6.00
             |               
            
                5.70
             |                           
            
                6.00
             | 
            
                5.95
             |                     
            
                6.00
             |                                 
            
                271,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/31/2017
             | 
            
                +0.50 / +10.00%
             |             
            
                5.00
             |           
            
                5.50
             |               
            
                5.00
             |                           
            
                5.50
             | 
            
                5.47
             |                     
            
                5.50
             |                                 
            
                586,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/28/2017
             | 
            
                -0.10 / -1.96%
             |             
            
                5.00
             |           
            
                5.50
             |               
            
                4.90
             |                           
            
                5.00
             | 
            
                5.12
             |                     
            
                5.00
             |                                 
            
                230,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/27/2017
             | 
            
                -0.50 / -8.93%
             |             
            
                5.60
             |           
            
                5.60
             |               
            
                5.10
             |                           
            
                5.10
             | 
            
                5.24
             |                     
            
                5.10
             |                                 
            
                470,531
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/26/2017
             | 
            
                +0.50 / +9.80%
             |             
            
                5.40
             |           
            
                5.60
             |               
            
                5.20
             |                           
            
                5.60
             | 
            
                5.58
             |                     
            
                5.60
             |                                 
            
                531,507
             |            
            
                 
             |                                       
         
    
        
            | 
                7/25/2017
             | 
            
                +0.40 / +8.51%
             |             
            
                4.80
             |           
            
                5.10
             |               
            
                4.80
             |                           
            
                5.10
             | 
            
                5.07
             |                     
            
                5.10
             |                                 
            
                480,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/24/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.50
             |                           
            
                4.70
             | 
            
                4.65
             |                     
            
                4.70
             |                                 
            
                348,400
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2017
             | 
            
                +0.30 / +6.82%
             |             
            
                4.50
             |           
            
                4.80
             |               
            
                4.50
             |                           
            
                4.70
             | 
            
                4.72
             |                     
            
                4.70
             |                                 
            
                167,531
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/20/2017
             | 
            
                +0.30 / +7.32%
             |             
            
                4.10
             |           
            
                4.50
             |               
            
                4.00
             |                           
            
                4.40
             | 
            
                4.19
             |                     
            
                4.40
             |                                 
            
                106,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/19/2017
             | 
            
                -0.10 / -2.38%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.11
             |                     
            
                4.10
             |                                 
            
                61,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/18/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.12
             |                     
            
                4.20
             |                                 
            
                16,400
             |            
            
                 
             |                                       
         
    
        
            | 
                7/17/2017
             | 
            
                -0.10 / -2.33%
             |             
            
                4.10
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.17
             |                     
            
                4.20
             |                                 
            
                36,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/14/2017
             | 
            
                +0.10 / +2.38%
             |             
            
                4.20
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.20
             |                     
            
                4.30
             |                                 
            
                28,923
             |            
            
                 
             |                                       
         
    
        
            | 
                7/13/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                4.20
             |                                 
            
                9,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/12/2017
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.50
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.27
             |                     
            
                4.20
             |                                 
            
                28,910
             |            
            
                 
             |                                       
         
    
        
            | 
                7/11/2017
             | 
            
                -0.10 / -2.33%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.23
             |                     
            
                4.20
             |                                 
            
                49,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |