| 
                 
                    Closing price on 4/19/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    9.50 | 
                 
                
                    | High | 
                    10.30 | 
                 
                
                    | Low | 
                    9.50 | 
                     
                
                    | Volume | 
                    21,400 | 
                                 
                
                    | Split-adjusted Price | 
                    4.73 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CMS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/19/2012
             | 
            
                +0.40 / +4.04%
             |             
            
                9.50
             |           
            
                10.30
             |               
            
                9.50
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                4.73
             |                                 
            
                21,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2012
             | 
            
                -0.10 / -1.00%
             |             
            
                9.90
             |           
            
                9.90
             |               
            
                9.60
             |                           
            
                9.90
             | 
            
                9.90
             |                     
            
                4.54
             |                                 
            
                15,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2012
             | 
            
                +0.50 / +5.26%
             |             
            
                9.50
             |           
            
                10.10
             |               
            
                9.50
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                4.59
             |                                 
            
                23,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                4.36
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                4.36
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                4.36
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2012
             | 
            
                +0.20 / +2.15%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                4.36
             |                                 
            
                11,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.30
             |           
            
                9.30
             |               
            
                9.30
             |                           
            
                9.30
             | 
            
                9.30
             |                     
            
                4.27
             |                                 
            
                2,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2012
             | 
            
                -0.50 / -5.10%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.30
             |                           
            
                9.30
             | 
            
                9.30
             |                     
            
                4.27
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                4.50
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                4.50
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2012
             | 
            
                +0.30 / +3.16%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                4.50
             |                                 
            
                8,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2012
             | 
            
                -0.30 / -3.06%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                4.36
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                4.50
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2012
             | 
            
                -0.70 / -6.67%
             |             
            
                9.90
             |           
            
                10.40
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                4.50
             |                                 
            
                6,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2012
             | 
            
                0.00 / 0.00%
             |             
            
                10.50
             |           
            
                10.50
             |               
            
                10.50
             |                           
            
                10.50
             | 
            
                10.50
             |                     
            
                4.82
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2012
             | 
            
                0.00 / 0.00%
             |             
            
                10.50
             |           
            
                10.50
             |               
            
                10.50
             |                           
            
                10.50
             | 
            
                10.50
             |                     
            
                4.82
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2012
             | 
            
                +0.50 / +5.00%
             |             
            
                10.50
             |           
            
                10.50
             |               
            
                10.50
             |                           
            
                10.50
             | 
            
                10.50
             |                     
            
                4.82
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2012
             | 
            
                -0.10 / -0.99%
             |             
            
                10.00
             |           
            
                10.80
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                4.59
             |                                 
            
                13,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2012
             | 
            
                -0.70 / -6.48%
             |             
            
                10.10
             |           
            
                10.10
             |               
            
                10.10
             |                           
            
                10.10
             | 
            
                10.10
             |                     
            
                4.64
             |                                 
            
                900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                10.80
             |           
            
                10.80
             |               
            
                10.80
             |                           
            
                10.80
             | 
            
                10.80
             |                     
            
                4.96
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2012
             | 
            
                +0.70 / +6.93%
             |             
            
                10.80
             |           
            
                10.80
             |               
            
                10.80
             |                           
            
                10.80
             | 
            
                10.80
             |                     
            
                4.96
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2012
             | 
            
                +0.60 / +6.32%
             |             
            
                10.00
             |           
            
                10.10
             |               
            
                10.00
             |                           
            
                10.10
             | 
            
                10.10
             |                     
            
                4.64
             |                                 
            
                4,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2012
             | 
            
                -0.50 / -5.00%
             |             
            
                9.50
             |           
            
                9.50
             |               
            
                9.50
             |                           
            
                9.50
             | 
            
                9.50
             |                     
            
                4.36
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2012
             | 
            
                -0.10 / -0.99%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                4.59
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2012
             | 
            
                -0.20 / -1.94%
             |             
            
                10.00
             |           
            
                10.10
             |               
            
                10.00
             |                           
            
                10.10
             | 
            
                10.10
             |                     
            
                4.64
             |                                 
            
                4,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2012
             | 
            
                0.00 / 0.00%
             |             
            
                10.00
             |           
            
                10.30
             |               
            
                10.00
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                4.73
             |                                 
            
                4,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2012
             | 
            
                0.00 / 0.00%
             |             
            
                10.30
             |           
            
                10.30
             |               
            
                10.30
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                4.73
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2012
             | 
            
                +0.20 / +1.98%
             |             
            
                10.30
             |           
            
                10.30
             |               
            
                10.30
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                4.73
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2012
             | 
            
                -0.60 / -5.61%
             |             
            
                10.70
             |           
            
                10.70
             |               
            
                10.00
             |                           
            
                10.10
             | 
            
                10.10
             |                     
            
                4.64
             |                                 
            
                5,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |