| 
                 
                    Closing price on 8/15/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    26.60 | 
                 
                
                    | High | 
                    26.60 | 
                 
                
                    | Low | 
                    26.60 | 
                     
                
                    | Volume | 
                    8,500 | 
                                 
                
                    | Split-adjusted Price | 
                    21.21 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MEC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                8/4/2008
             | 
            
                -0.10 / -0.43%
             |             
            
                21.90
             |           
            
                23.70
             |               
            
                21.90
             |                           
            
                23.10
             | 
            
                23.16
             |                     
            
                18.42
             |                                 
            
                37,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/1/2008
             | 
            
                0.00 / 0.00%
             |             
            
                22.50
             |           
            
                23.20
             |               
            
                21.70
             |                           
            
                23.20
             | 
            
                22.85
             |                     
            
                18.50
             |                                 
            
                115,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/31/2008
             | 
            
                +0.60 / +2.65%
             |             
            
                23.00
             |           
            
                23.30
             |               
            
                21.60
             |                           
            
                23.20
             | 
            
                22.44
             |                     
            
                18.50
             |                                 
            
                76,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/30/2008
             | 
            
                +0.80 / +3.67%
             |             
            
                22.60
             |           
            
                22.60
             |               
            
                21.70
             |                           
            
                22.60
             | 
            
                22.49
             |                     
            
                18.02
             |                                 
            
                75,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/29/2008
             | 
            
                +0.70 / +3.32%
             |             
            
                21.80
             |           
            
                21.80
             |               
            
                21.80
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                17.38
             |                                 
            
                23,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/28/2008
             | 
            
                +0.60 / +2.93%
             |             
            
                20.00
             |           
            
                21.10
             |               
            
                20.00
             |                           
            
                21.10
             | 
            
                21.01
             |                     
            
                16.82
             |                                 
            
                22,700
             |            
            
                 
             |                                       
         
    
        
            | 
                7/25/2008
             | 
            
                -0.30 / -1.44%
             |             
            
                20.90
             |           
            
                21.50
             |               
            
                20.00
             |                           
            
                20.50
             | 
            
                20.29
             |                     
            
                16.35
             |                                 
            
                37,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/24/2008
             | 
            
                0.00 / 0.00%
             |             
            
                20.00
             |           
            
                21.60
             |               
            
                20.00
             |                           
            
                20.80
             | 
            
                20.81
             |                     
            
                16.58
             |                                 
            
                78,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/23/2008
             | 
            
                -0.80 / -3.70%
             |             
            
                20.80
             |           
            
                20.80
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                16.58
             |                                 
            
                2,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/22/2008
             | 
            
                +0.10 / +0.47%
             |             
            
                21.60
             |           
            
                21.60
             |               
            
                21.60
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                17.22
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/21/2008
             | 
            
                0.00 / 0.00%
             |             
            
                22.20
             |           
            
                22.20
             |               
            
                21.40
             |                           
            
                21.50
             | 
            
                21.60
             |                     
            
                17.14
             |                                 
            
                7,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/18/2008
             | 
            
                -0.40 / -1.83%
             |             
            
                22.00
             |           
            
                22.70
             |               
            
                21.10
             |                           
            
                21.50
             | 
            
                22.22
             |                     
            
                17.14
             |                                 
            
                45,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/17/2008
             | 
            
                +0.60 / +2.82%
             |             
            
                21.90
             |           
            
                21.90
             |               
            
                21.90
             |                           
            
                21.90
             | 
            
                21.90
             |                     
            
                17.46
             |                                 
            
                3,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/16/2008
             | 
            
                +0.80 / +3.90%
             |             
            
                21.30
             |           
            
                21.30
             |               
            
                19.80
             |                           
            
                21.30
             | 
            
                21.06
             |                     
            
                16.98
             |                                 
            
                43,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/15/2008
             | 
            
                +0.70 / +3.54%
             |             
            
                20.50
             |           
            
                20.50
             |               
            
                20.50
             |                           
            
                20.50
             | 
            
                20.50
             |                     
            
                16.35
             |                                 
            
                8,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/14/2008
             | 
            
                +0.70 / +3.66%
             |             
            
                19.80
             |           
            
                19.80
             |               
            
                19.80
             |                           
            
                19.80
             | 
            
                19.80
             |                     
            
                15.79
             |                                 
            
                2,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/11/2008
             | 
            
                +0.70 / +3.80%
             |             
            
                19.10
             |           
            
                19.10
             |               
            
                19.10
             |                           
            
                19.10
             | 
            
                19.10
             |                     
            
                15.23
             |                                 
            
                18,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/10/2008
             | 
            
                +0.70 / +3.95%
             |             
            
                18.40
             |           
            
                18.40
             |               
            
                18.40
             |                           
            
                18.40
             | 
            
                18.40
             |                     
            
                14.67
             |                                 
            
                6,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/9/2008
             | 
            
                -0.20 / -1.12%
             |             
            
                17.70
             |           
            
                17.70
             |               
            
                17.40
             |                           
            
                17.70
             | 
            
                17.68
             |                     
            
                14.11
             |                                 
            
                16,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/8/2008
             | 
            
                +1.00 / +5.92%
             |             
            
                16.80
             |           
            
                18.00
             |               
            
                16.80
             |                           
            
                17.90
             | 
            
                17.08
             |                     
            
                14.27
             |                                 
            
                47,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/7/2008
             | 
            
                -0.40 / -2.31%
             |             
            
                17.90
             |           
            
                17.90
             |               
            
                16.70
             |                           
            
                16.90
             | 
            
                17.39
             |                     
            
                13.47
             |                                 
            
                44,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |