| 
                 
                    Closing price on 9/17/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    22.50 | 
                 
                
                    | High | 
                    22.50 | 
                 
                
                    | Low | 
                    22.30 | 
                     
                
                    | Volume | 
                    33,300 | 
                                 
                
                    | Split-adjusted Price | 
                    17.78 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MEC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/17/2008
             | 
            
                -1.50 / -6.30%
             |             
            
                22.50
             |           
            
                22.50
             |               
            
                22.30
             |                           
            
                22.30
             | 
            
                22.33
             |                     
            
                17.78
             |                                 
            
                33,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2008
             | 
            
                -2.20 / -8.46%
             |             
            
                24.40
             |           
            
                24.50
             |               
            
                23.80
             |                           
            
                23.80
             | 
            
                23.88
             |                     
            
                18.98
             |                                 
            
                59,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2008
             | 
            
                +0.70 / +2.77%
             |             
            
                23.60
             |           
            
                27.00
             |               
            
                23.60
             |                           
            
                26.00
             | 
            
                25.48
             |                     
            
                20.73
             |                                 
            
                55,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2008
             | 
            
                -1.70 / -6.30%
             |             
            
                25.30
             |           
            
                25.30
             |               
            
                25.30
             |                           
            
                25.30
             | 
            
                25.30
             |                     
            
                20.17
             |                                 
            
                15,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2008
             | 
            
                -1.30 / -4.59%
             |             
            
                27.40
             |           
            
                28.00
             |               
            
                27.00
             |                           
            
                27.00
             | 
            
                27.14
             |                     
            
                21.53
             |                                 
            
                10,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2008
             | 
            
                -1.70 / -5.67%
             |             
            
                30.00
             |           
            
                30.50
             |               
            
                28.30
             |                           
            
                28.30
             | 
            
                28.95
             |                     
            
                22.56
             |                                 
            
                54,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/9/2008
             | 
            
                -1.90 / -5.96%
             |             
            
                29.70
             |           
            
                32.50
             |               
            
                29.70
             |                           
            
                30.00
             | 
            
                30.42
             |                     
            
                23.92
             |                                 
            
                78,800
             |            
            
                 
             |                                       
         
    
        
            | 
                9/8/2008
             | 
            
                -1.60 / -4.78%
             |             
            
                32.20
             |           
            
                32.20
             |               
            
                31.90
             |                           
            
                31.90
             | 
            
                31.92
             |                     
            
                25.43
             |                                 
            
                20,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/5/2008
             | 
            
                -1.50 / -4.29%
             |             
            
                34.60
             |           
            
                35.00
             |               
            
                32.50
             |                           
            
                33.50
             | 
            
                34.20
             |                     
            
                26.71
             |                                 
            
                48,600
             |            
            
                 
             |                                       
         
    
        
            | 
                9/4/2008
             | 
            
                +1.00 / +2.94%
             |             
            
                36.30
             |           
            
                36.30
             |               
            
                31.70
             |                           
            
                35.00
             | 
            
                34.62
             |                     
            
                27.91
             |                                 
            
                131,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/3/2008
             | 
            
                +0.10 / +0.29%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                34.00
             |                           
            
                34.00
             | 
            
                34.00
             |                     
            
                27.11
             |                                 
            
                4,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2008
             | 
            
                +0.80 / +2.42%
             |             
            
                31.00
             |           
            
                35.50
             |               
            
                31.00
             |                           
            
                33.90
             | 
            
                31.79
             |                     
            
                27.03
             |                                 
            
                108,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/28/2008
             | 
            
                -2.40 / -6.76%
             |             
            
                34.00
             |           
            
                34.00
             |               
            
                33.10
             |                           
            
                33.10
             | 
            
                33.26
             |                     
            
                26.39
             |                                 
            
                51,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2008
             | 
            
                +2.30 / +6.93%
             |             
            
                35.50
             |           
            
                35.50
             |               
            
                34.50
             |                           
            
                35.50
             | 
            
                35.49
             |                     
            
                28.31
             |                                 
            
                120,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2008
             | 
            
                +2.10 / +6.75%
             |             
            
                33.20
             |           
            
                33.20
             |               
            
                33.20
             |                           
            
                33.20
             | 
            
                33.20
             |                     
            
                26.47
             |                                 
            
                10,300
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2008
             | 
            
                +1.50 / +5.07%
             |             
            
                31.10
             |           
            
                31.10
             |               
            
                31.10
             |                           
            
                31.10
             | 
            
                31.10
             |                     
            
                24.80
             |                                 
            
                13,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2008
             | 
            
                +1.20 / +4.23%
             |             
            
                29.50
             |           
            
                29.60
             |               
            
                28.10
             |                           
            
                29.60
             | 
            
                29.11
             |                     
            
                23.60
             |                                 
            
                104,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2008
             | 
            
                +2.40 / +9.23%
             |             
            
                25.00
             |           
            
                28.40
             |               
            
                25.00
             |                           
            
                28.40
             | 
            
                27.65
             |                     
            
                22.64
             |                                 
            
                84,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2008
             | 
            
                -2.00 / -7.14%
             |             
            
                27.00
             |           
            
                27.80
             |               
            
                26.00
             |                           
            
                26.00
             | 
            
                26.59
             |                     
            
                20.73
             |                                 
            
                66,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2008
             | 
            
                -0.40 / -1.41%
             |             
            
                30.20
             |           
            
                30.20
             |               
            
                26.40
             |                           
            
                28.00
             | 
            
                27.88
             |                     
            
                22.33
             |                                 
            
                63,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2008
             | 
            
                +1.80 / +6.77%
             |             
            
                28.40
             |           
            
                28.40
             |               
            
                27.90
             |                           
            
                28.40
             | 
            
                28.31
             |                     
            
                22.64
             |                                 
            
                107,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2008
             | 
            
                +0.90 / +3.50%
             |             
            
                26.60
             |           
            
                26.60
             |               
            
                26.60
             |                           
            
                26.60
             | 
            
                26.60
             |                     
            
                21.21
             |                                 
            
                8,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/14/2008
             | 
            
                +0.70 / +2.80%
             |             
            
                25.10
             |           
            
                25.70
             |               
            
                24.20
             |                           
            
                25.70
             | 
            
                25.60
             |                     
            
                20.49
             |                                 
            
                176,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/13/2008
             | 
            
                +0.60 / +2.46%
             |             
            
                25.20
             |           
            
                25.20
             |               
            
                23.60
             |                           
            
                25.00
             | 
            
                24.76
             |                     
            
                19.93
             |                                 
            
                96,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/12/2008
             | 
            
                +0.80 / +3.39%
             |             
            
                24.40
             |           
            
                24.40
             |               
            
                23.50
             |                           
            
                24.40
             | 
            
                24.29
             |                     
            
                19.45
             |                                 
            
                67,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/11/2008
             | 
            
                +0.60 / +2.61%
             |             
            
                23.00
             |           
            
                23.60
             |               
            
                23.00
             |                           
            
                23.60
             | 
            
                23.47
             |                     
            
                18.82
             |                                 
            
                28,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2008
             | 
            
                +0.10 / +0.44%
             |             
            
                23.00
             |           
            
                23.00
             |               
            
                22.20
             |                           
            
                23.00
             | 
            
                22.70
             |                     
            
                18.34
             |                                 
            
                42,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2008
             | 
            
                0.00 / 0.00%
             |             
            
                22.90
             |           
            
                23.10
             |               
            
                22.30
             |                           
            
                22.90
             | 
            
                22.99
             |                     
            
                18.26
             |                                 
            
                68,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/6/2008
             | 
            
                +0.60 / +2.69%
             |             
            
                21.50
             |           
            
                23.10
             |               
            
                21.50
             |                           
            
                22.90
             | 
            
                22.28
             |                     
            
                18.26
             |                                 
            
                108,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/5/2008
             | 
            
                -0.80 / -3.46%
             |             
            
                22.30
             |           
            
                22.50
             |               
            
                22.30
             |                           
            
                22.30
             | 
            
                22.31
             |                     
            
                17.78
             |                                 
            
                10,800
             |  
            
                 
             |                                                              
             
    
         
    
    
 |