| 
                 
                    Closing price on 2/5/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    10.40 | 
                 
                
                    | High | 
                    10.40 | 
                 
                
                    | Low | 
                    10.30 | 
                     
                
                    | Volume | 
                    52,600 | 
                                 
                
                    | Split-adjusted Price | 
                    6.32 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
CMS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/5/2013
             | 
            
                +0.10 / +0.97%
             |             
            
                10.40
             |           
            
                10.40
             |               
            
                10.30
             |                           
            
                10.40
             | 
            
                10.40
             |                     
            
                6.32
             |                                 
            
                52,600
             |            
            
                 
             |                                       
         
    
        
            | 
                2/4/2013
             | 
            
                +0.30 / +3.00%
             |             
            
                10.00
             |           
            
                10.30
             |               
            
                10.00
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                6.26
             |                                 
            
                64,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2013
             | 
            
                0.00 / 0.00%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                9.90
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                6.08
             |                                 
            
                85,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/31/2013
             | 
            
                -0.20 / -1.96%
             |             
            
                10.20
             |           
            
                10.20
             |               
            
                10.00
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                6.08
             |                                 
            
                29,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/30/2013
             | 
            
                +0.20 / +2.00%
             |             
            
                10.00
             |           
            
                10.30
             |               
            
                10.00
             |                           
            
                10.20
             | 
            
                10.20
             |                     
            
                6.20
             |                                 
            
                40,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2013
             | 
            
                -0.10 / -0.99%
             |             
            
                10.20
             |           
            
                10.20
             |               
            
                9.90
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                6.08
             |                                 
            
                11,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2013
             | 
            
                -0.20 / -1.94%
             |             
            
                10.20
             |           
            
                10.30
             |               
            
                9.50
             |                           
            
                10.10
             | 
            
                10.10
             |                     
            
                6.14
             |                                 
            
                18,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2013
             | 
            
                +0.40 / +4.04%
             |             
            
                9.70
             |           
            
                10.40
             |               
            
                9.70
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                6.26
             |                                 
            
                20,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2013
             | 
            
                +0.10 / +1.02%
             |             
            
                9.40
             |           
            
                9.90
             |               
            
                9.40
             |                           
            
                9.90
             | 
            
                9.90
             |                     
            
                6.02
             |                                 
            
                14,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/23/2013
             | 
            
                0.00 / 0.00%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.60
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                5.96
             |                                 
            
                3,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2013
             | 
            
                -0.70 / -6.67%
             |             
            
                10.10
             |           
            
                10.20
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                5.96
             |                                 
            
                13,700
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2013
             | 
            
                -1.90 / -15.32%
             |             
            
                10.60
             |           
            
                10.60
             |               
            
                10.30
             |                           
            
                10.50
             | 
            
                10.50
             |                     
            
                6.39
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/18/2013
             | 
            
                0.00 / 0.00%
             |             
            
                12.80
             |           
            
                12.80
             |               
            
                12.10
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                6.33
             |                                 
            
                27,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2013
             | 
            
                -0.30 / -2.36%
             |             
            
                12.60
             |           
            
                12.60
             |               
            
                12.20
             |                           
            
                12.40
             | 
            
                12.40
             |                     
            
                6.33
             |                                 
            
                67,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/16/2013
             | 
            
                -0.30 / -2.31%
             |             
            
                12.90
             |           
            
                12.90
             |               
            
                12.50
             |                           
            
                12.70
             | 
            
                12.70
             |                     
            
                6.49
             |                                 
            
                54,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2013
             | 
            
                +0.20 / +1.56%
             |             
            
                12.80
             |           
            
                13.00
             |               
            
                12.60
             |                           
            
                13.00
             | 
            
                13.00
             |                     
            
                6.64
             |                                 
            
                42,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2013
             | 
            
                +0.10 / +0.79%
             |             
            
                13.30
             |           
            
                13.30
             |               
            
                12.70
             |                           
            
                12.80
             | 
            
                12.80
             |                     
            
                6.54
             |                                 
            
                98,500
             |            
            
                 
             |                                       
         
    
        
            | 
                1/11/2013
             | 
            
                +0.80 / +6.72%
             |             
            
                12.70
             |           
            
                12.70
             |               
            
                12.50
             |                           
            
                12.70
             | 
            
                12.70
             |                     
            
                6.49
             |                                 
            
                104,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/10/2013
             | 
            
                +0.70 / +6.25%
             |             
            
                11.90
             |           
            
                11.90
             |               
            
                11.90
             |                           
            
                11.90
             | 
            
                11.90
             |                     
            
                6.08
             |                                 
            
                21,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/9/2013
             | 
            
                +0.30 / +2.75%
             |             
            
                11.40
             |           
            
                11.90
             |               
            
                11.20
             |                           
            
                11.20
             | 
            
                11.20
             |                     
            
                5.72
             |                                 
            
                67,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                11.10
             |           
            
                11.30
             |               
            
                10.90
             |                           
            
                10.90
             | 
            
                10.90
             |                     
            
                5.57
             |                                 
            
                12,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2013
             | 
            
                -0.50 / -4.39%
             |             
            
                11.60
             |           
            
                11.60
             |               
            
                10.90
             |                           
            
                10.90
             | 
            
                10.90
             |                     
            
                5.57
             |                                 
            
                2,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                11.00
             |           
            
                11.40
             |               
            
                11.00
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                5.82
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/3/2013
             | 
            
                +0.10 / +0.88%
             |             
            
                11.00
             |           
            
                11.60
             |               
            
                11.00
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                5.82
             |                                 
            
                8,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/2/2013
             | 
            
                +0.60 / +5.61%
             |             
            
                10.90
             |           
            
                11.30
             |               
            
                10.90
             |                           
            
                11.30
             | 
            
                11.30
             |                     
            
                5.77
             |                                 
            
                31,600
             |            
            
                 
             |                                       
         
    
        
            | 
                12/28/2012
             | 
            
                +0.40 / +3.88%
             |             
            
                10.60
             |           
            
                10.80
             |               
            
                10.40
             |                           
            
                10.70
             | 
            
                10.70
             |                     
            
                5.47
             |                                 
            
                21,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/27/2012
             | 
            
                +0.30 / +3.00%
             |             
            
                9.90
             |           
            
                10.60
             |               
            
                9.90
             |                           
            
                10.30
             | 
            
                10.30
             |                     
            
                5.26
             |                                 
            
                32,900
             |            
            
                 
             |                                       
         
    
        
            | 
                12/26/2012
             | 
            
                -0.20 / -1.96%
             |             
            
                9.90
             |           
            
                10.00
             |               
            
                9.80
             |                           
            
                10.00
             | 
            
                10.00
             |                     
            
                5.11
             |                                 
            
                4,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/25/2012
             | 
            
                +0.40 / +4.08%
             |             
            
                10.30
             |           
            
                10.30
             |               
            
                9.70
             |                           
            
                10.20
             | 
            
                10.20
             |                     
            
                5.21
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                12/24/2012
             | 
            
                -0.20 / -2.00%
             |             
            
                10.00
             |           
            
                10.00
             |               
            
                9.80
             |                           
            
                9.80
             | 
            
                9.80
             |                     
            
                5.01
             |                                 
            
                13,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |