| 
                 
                    Closing price on 5/8/2007
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    54.50 | 
                 
                
                    | High | 
                    55.00 | 
                 
                
                    | Low | 
                    54.50 | 
                     
                
                    | Volume | 
                    11,500 | 
                                 
                
                    | Split-adjusted Price | 
                    2.30 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
GMC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/8/2007
             | 
            
                +0.00 / +0.00%
             |             
            
                54.50
             |           
            
                55.00
             |               
            
                54.50
             |                           
            
                54.50
             | 
            
                54.50
             |                     
            
                2.30
             |                                 
            
                11,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2007
             | 
            
                +0.50 / +0.93%
             |             
            
                54.00
             |           
            
                54.50
             |               
            
                54.00
             |                           
            
                54.50
             | 
            
                54.50
             |                     
            
                2.30
             |                                 
            
                6,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2007
             | 
            
                -0.50 / -0.92%
             |             
            
                54.00
             |           
            
                54.00
             |               
            
                53.00
             |                           
            
                54.00
             | 
            
                54.00
             |                     
            
                2.28
             |                                 
            
                2,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/3/2007
             | 
            
                +1.50 / +2.83%
             |             
            
                53.00
             |           
            
                54.50
             |               
            
                53.00
             |                           
            
                54.50
             | 
            
                54.50
             |                     
            
                2.30
             |                                 
            
                4,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/2/2007
             | 
            
                0.00 / 0.00%
             |             
            
                53.00
             |           
            
                53.00
             |               
            
                53.00
             |                           
            
                53.00
             | 
            
                53.00
             |                     
            
                2.24
             |                                 
            
                7,920
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2007
             | 
            
                0.00 / 0.00%
             |             
            
                53.00
             |           
            
                53.00
             |               
            
                51.00
             |                           
            
                53.00
             | 
            
                53.00
             |                     
            
                2.24
             |                                 
            
                7,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2007
             | 
            
                -2.50 / -4.50%
             |             
            
                53.00
             |           
            
                53.00
             |               
            
                53.00
             |                           
            
                53.00
             | 
            
                53.00
             |                     
            
                2.24
             |                                 
            
                8,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2007
             | 
            
                -2.50 / -4.31%
             |             
            
                55.50
             |           
            
                55.50
             |               
            
                55.50
             |                           
            
                55.50
             | 
            
                55.50
             |                     
            
                2.34
             |                                 
            
                7,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2007
             | 
            
                -3.00 / -4.92%
             |             
            
                58.00
             |           
            
                58.00
             |               
            
                58.00
             |                           
            
                58.00
             | 
            
                58.00
             |                     
            
                2.45
             |                                 
            
                6,370
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2007
             | 
            
                +0.00 / +0.00%
             |             
            
                61.00
             |           
            
                62.00
             |               
            
                61.00
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                2.57
             |                                 
            
                15,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2007
             | 
            
                +2.50 / +4.27%
             |             
            
                58.50
             |           
            
                61.00
             |               
            
                57.50
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                2.57
             |                                 
            
                2,450
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2007
             | 
            
                -1.50 / -2.50%
             |             
            
                58.50
             |           
            
                58.50
             |               
            
                58.00
             |                           
            
                58.50
             | 
            
                58.50
             |                     
            
                2.47
             |                                 
            
                6,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2007
             | 
            
                -2.00 / -3.23%
             |             
            
                60.00
             |           
            
                62.00
             |               
            
                60.00
             |                           
            
                60.00
             | 
            
                60.00
             |                     
            
                2.53
             |                                 
            
                8,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2007
             | 
            
                +1.00 / +1.64%
             |             
            
                61.00
             |           
            
                62.00
             |               
            
                61.00
             |                           
            
                62.00
             | 
            
                62.00
             |                     
            
                2.62
             |                                 
            
                6,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2007
             | 
            
                +0.00 / +0.00%
             |             
            
                61.00
             |           
            
                62.00
             |               
            
                61.00
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                2.57
             |                                 
            
                11,230
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2007
             | 
            
                -3.00 / -4.69%
             |             
            
                61.00
             |           
            
                64.00
             |               
            
                61.00
             |                           
            
                61.00
             | 
            
                61.00
             |                     
            
                2.57
             |                                 
            
                11,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2007
             | 
            
                -1.00 / -1.54%
             |             
            
                64.00
             |           
            
                65.00
             |               
            
                64.00
             |                           
            
                64.00
             | 
            
                64.00
             |                     
            
                2.70
             |                                 
            
                9,080
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2007
             | 
            
                0.00 / 0.00%
             |             
            
                65.00
             |           
            
                65.00
             |               
            
                63.50
             |                           
            
                65.00
             | 
            
                65.00
             |                     
            
                2.74
             |                                 
            
                4,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2007
             | 
            
                -2.50 / -3.70%
             |             
            
                65.00
             |           
            
                67.50
             |               
            
                65.00
             |                           
            
                65.00
             | 
            
                65.00
             |                     
            
                2.74
             |                                 
            
                6,730
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2007
             | 
            
                +1.00 / +1.50%
             |             
            
                67.00
             |           
            
                68.00
             |               
            
                67.00
             |                           
            
                67.50
             | 
            
                67.50
             |                     
            
                2.85
             |                                 
            
                19,040
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2007
             | 
            
                +3.00 / +4.72%
             |             
            
                63.50
             |           
            
                66.50
             |               
            
                63.50
             |                           
            
                66.50
             | 
            
                66.50
             |                     
            
                2.81
             |                                 
            
                10,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2007
             | 
            
                -2.00 / -3.05%
             |             
            
                63.50
             |           
            
                63.50
             |               
            
                63.00
             |                           
            
                63.50
             | 
            
                63.50
             |                     
            
                2.68
             |                                 
            
                5,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2007
             | 
            
                -3.00 / -4.38%
             |             
            
                65.50
             |           
            
                68.50
             |               
            
                65.50
             |                           
            
                65.50
             | 
            
                65.50
             |                     
            
                2.76
             |                                 
            
                7,680
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2007
             | 
            
                +3.00 / +4.58%
             |             
            
                68.00
             |           
            
                68.50
             |               
            
                68.00
             |                           
            
                68.50
             | 
            
                68.50
             |                     
            
                2.89
             |                                 
            
                11,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2007
             | 
            
                +3.00 / +4.80%
             |             
            
                65.50
             |           
            
                65.50
             |               
            
                65.50
             |                           
            
                65.50
             | 
            
                65.50
             |                     
            
                2.76
             |                                 
            
                3,250
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2007
             | 
            
                -3.00 / -4.58%
             |             
            
                62.50
             |           
            
                62.50
             |               
            
                62.50
             |                           
            
                62.50
             | 
            
                62.50
             |                     
            
                2.64
             |                                 
            
                13,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2007
             | 
            
                -3.00 / -4.38%
             |             
            
                66.00
             |           
            
                66.00
             |               
            
                65.50
             |                           
            
                65.50
             | 
            
                65.50
             |                     
            
                2.76
             |                                 
            
                6,430
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2007
             | 
            
                -3.50 / -4.86%
             |             
            
                72.00
             |           
            
                72.00
             |               
            
                68.50
             |                           
            
                68.50
             | 
            
                68.50
             |                     
            
                2.89
             |                                 
            
                12,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2007
             | 
            
                -1.00 / -1.37%
             |             
            
                72.00
             |           
            
                72.00
             |               
            
                69.50
             |                           
            
                72.00
             | 
            
                72.00
             |                     
            
                3.04
             |                                 
            
                8,110
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2007
             | 
            
                -1.00 / -1.35%
             |             
            
                74.00
             |           
            
                74.00
             |               
            
                71.00
             |                           
            
                73.00
             | 
            
                73.00
             |                     
            
                3.08
             |                                 
            
                17,910
             |  
            
                 
             |                                                              
             
    
         
    
    
 |