| 
                 
                    Closing price on 10/11/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    57.50 | 
                 
                
                    | High | 
                    59.50 | 
                 
                
                    | Low | 
                    57.50 | 
                     
                
                    | Volume | 
                    61,620 | 
                                 
                
                    | Split-adjusted Price | 
                    3.58 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
GMC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/11/2007
             | 
            
                -0.50 / -0.84%
             |             
            
                57.50
             |           
            
                59.50
             |               
            
                57.50
             |                           
            
                59.00
             | 
            
                59.00
             |                     
            
                3.58
             |                                 
            
                61,620
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2007
             | 
            
                +1.00 / +1.71%
             |             
            
                60.00
             |           
            
                60.00
             |               
            
                58.50
             |                           
            
                59.50
             | 
            
                59.50
             |                     
            
                3.61
             |                                 
            
                60,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2007
             | 
            
                +1.50 / +2.63%
             |             
            
                57.00
             |           
            
                58.50
             |               
            
                57.00
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                3.55
             |                                 
            
                75,990
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2007
             | 
            
                -2.00 / -3.39%
             |             
            
                57.00
             |           
            
                58.00
             |               
            
                57.00
             |                           
            
                57.00
             | 
            
                57.00
             |                     
            
                3.46
             |                                 
            
                49,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2007
             | 
            
                0.00 / 0.00%
             |             
            
                61.00
             |           
            
                61.00
             |               
            
                59.00
             |                           
            
                59.00
             | 
            
                59.00
             |                     
            
                3.58
             |                                 
            
                94,520
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2007
             | 
            
                +2.50 / +4.42%
             |             
            
                59.00
             |           
            
                59.00
             |               
            
                57.00
             |                           
            
                59.00
             | 
            
                59.00
             |                     
            
                3.58
             |                                 
            
                141,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2007
             | 
            
                +2.50 / +4.63%
             |             
            
                55.00
             |           
            
                56.50
             |               
            
                54.00
             |                           
            
                56.50
             | 
            
                56.50
             |                     
            
                3.43
             |                                 
            
                126,600
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2007
             | 
            
                +0.00 / +0.00%
             |             
            
                55.00
             |           
            
                55.00
             |               
            
                52.50
             |                           
            
                54.00
             | 
            
                54.00
             |                     
            
                3.28
             |                                 
            
                31,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2007
             | 
            
                +2.50 / +4.85%
             |             
            
                54.00
             |           
            
                54.00
             |               
            
                53.00
             |                           
            
                54.00
             | 
            
                54.00
             |                     
            
                3.28
             |                                 
            
                57,280
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2007
             | 
            
                +0.50 / +0.98%
             |             
            
                51.00
             |           
            
                51.50
             |               
            
                50.50
             |                           
            
                51.50
             | 
            
                51.50
             |                     
            
                3.13
             |                                 
            
                48,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2007
             | 
            
                +1.00 / +2.00%
             |             
            
                50.50
             |           
            
                51.00
             |               
            
                50.00
             |                           
            
                51.00
             | 
            
                51.00
             |                     
            
                3.10
             |                                 
            
                28,110
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2007
             | 
            
                -0.50 / -0.99%
             |             
            
                50.50
             |           
            
                51.00
             |               
            
                50.00
             |                           
            
                50.00
             | 
            
                50.00
             |                     
            
                3.04
             |                                 
            
                39,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2007
             | 
            
                +0.50 / +1.00%
             |             
            
                50.50
             |           
            
                50.50
             |               
            
                50.00
             |                           
            
                50.50
             | 
            
                50.50
             |                     
            
                3.07
             |                                 
            
                33,050
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2007
             | 
            
                -0.50 / -0.99%
             |             
            
                50.50
             |           
            
                50.50
             |               
            
                50.00
             |                           
            
                50.00
             | 
            
                50.00
             |                     
            
                3.04
             |                                 
            
                11,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2007
             | 
            
                -0.50 / -0.98%
             |             
            
                51.00
             |           
            
                51.00
             |               
            
                50.50
             |                           
            
                50.50
             | 
            
                50.50
             |                     
            
                3.07
             |                                 
            
                7,910
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2007
             | 
            
                0.00 / 0.00%
             |             
            
                51.00
             |           
            
                52.00
             |               
            
                51.00
             |                           
            
                51.00
             | 
            
                51.00
             |                     
            
                3.10
             |                                 
            
                61,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2007
             | 
            
                +2.00 / +4.08%
             |             
            
                49.00
             |           
            
                51.00
             |               
            
                49.00
             |                           
            
                51.00
             | 
            
                51.00
             |                     
            
                3.10
             |                                 
            
                28,450
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2007
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.10
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                2.98
             |                                 
            
                13,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2007
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.20
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                2.98
             |                                 
            
                7,110
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2007
             | 
            
                0.00 / 0.00%
             |             
            
                49.00
             |           
            
                49.50
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                2.98
             |                                 
            
                16,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2007
             | 
            
                -0.50 / -1.01%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                49.00
             |                           
            
                49.00
             | 
            
                49.00
             |                     
            
                2.98
             |                                 
            
                22,090
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2007
             | 
            
                -0.50 / -1.00%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                49.50
             |                           
            
                49.50
             | 
            
                49.50
             |                     
            
                3.01
             |                                 
            
                7,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2007
             | 
            
                -0.50 / -0.99%
             |             
            
                50.00
             |           
            
                50.00
             |               
            
                49.50
             |                           
            
                50.00
             | 
            
                50.00
             |                     
            
                3.04
             |                                 
            
                22,310
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2007
             | 
            
                0.00 / 0.00%
             |             
            
                50.50
             |           
            
                50.50
             |               
            
                50.00
             |                           
            
                50.50
             | 
            
                50.50
             |                     
            
                3.07
             |                                 
            
                14,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/7/2007
             | 
            
                0.00 / 0.00%
             |             
            
                50.50
             |           
            
                50.50
             |               
            
                50.00
             |                           
            
                50.50
             | 
            
                50.50
             |                     
            
                3.07
             |                                 
            
                17,530
             |            
            
                 
             |                                       
         
    
        
            | 
                9/6/2007
             | 
            
                +0.00 / +0.00%
             |             
            
                50.50
             |           
            
                51.00
             |               
            
                50.00
             |                           
            
                50.50
             | 
            
                50.50
             |                     
            
                3.07
             |                                 
            
                60,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2007
             | 
            
                +2.30 / +4.77%
             |             
            
                50.00
             |           
            
                50.50
             |               
            
                49.50
             |                           
            
                50.50
             | 
            
                50.50
             |                     
            
                3.07
             |                                 
            
                47,570
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2007
             | 
            
                +0.20 / +0.42%
             |             
            
                48.00
             |           
            
                48.20
             |               
            
                48.00
             |                           
            
                48.20
             | 
            
                48.20
             |                     
            
                2.93
             |                                 
            
                19,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/31/2007
             | 
            
                +0.00 / +0.00%
             |             
            
                48.00
             |           
            
                48.50
             |               
            
                48.00
             |                           
            
                48.00
             | 
            
                48.00
             |                     
            
                2.92
             |                                 
            
                19,760
             |            
            
                 
             |                                       
         
    
        
            | 
                8/30/2007
             | 
            
                0.00 / 0.00%
             |             
            
                48.00
             |           
            
                48.00
             |               
            
                47.00
             |                           
            
                48.00
             | 
            
                48.00
             |                     
            
                2.92
             |                                 
            
                5,750
             |  
            
                 
             |                                                              
             
    
         
    
    
 |