| 
                 
                    Closing price on 10/20/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    23.60 | 
                 
                
                    | High | 
                    24.00 | 
                 
                
                    | Low | 
                    22.00 | 
                     
                
                    | Volume | 
                    11,500 | 
                                 
                
                    | Split-adjusted Price | 
                    17.94 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MEC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/20/2008
             | 
            
                -0.40 / -1.75%
             |             
            
                23.60
             |           
            
                24.00
             |               
            
                22.00
             |                           
            
                22.50
             | 
            
                22.67
             |                     
            
                17.94
             |                                 
            
                11,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2008
             | 
            
                0.00 / 0.00%
             |             
            
                24.30
             |           
            
                24.30
             |               
            
                22.90
             |                           
            
                22.90
             | 
            
                23.57
             |                     
            
                18.26
             |                                 
            
                34,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2008
             | 
            
                -0.90 / -3.78%
             |             
            
                21.70
             |           
            
                23.30
             |               
            
                21.70
             |                           
            
                22.90
             | 
            
                22.84
             |                     
            
                18.26
             |                                 
            
                45,200
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2008
             | 
            
                +1.50 / +6.73%
             |             
            
                23.80
             |           
            
                23.80
             |               
            
                22.00
             |                           
            
                23.80
             | 
            
                23.34
             |                     
            
                18.98
             |                                 
            
                90,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2008
             | 
            
                +1.50 / +7.21%
             |             
            
                22.30
             |           
            
                22.30
             |               
            
                22.30
             |                           
            
                22.30
             | 
            
                22.30
             |                     
            
                17.78
             |                                 
            
                700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/13/2008
             | 
            
                0.00 / 0.00%
             |             
            
                21.20
             |           
            
                22.20
             |               
            
                20.00
             |                           
            
                20.80
             | 
            
                20.88
             |                     
            
                16.58
             |                                 
            
                18,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2008
             | 
            
                -1.90 / -8.37%
             |             
            
                20.80
             |           
            
                21.90
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.81
             |                     
            
                16.58
             |                                 
            
                44,300
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2008
             | 
            
                +0.80 / +3.65%
             |             
            
                21.50
             |           
            
                22.80
             |               
            
                21.40
             |                           
            
                22.70
             | 
            
                22.34
             |                     
            
                18.10
             |                                 
            
                54,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2008
             | 
            
                -0.20 / -0.90%
             |             
            
                20.60
             |           
            
                22.50
             |               
            
                20.60
             |                           
            
                21.90
             | 
            
                21.42
             |                     
            
                17.46
             |                                 
            
                33,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/7/2008
             | 
            
                -1.90 / -7.92%
             |             
            
                22.30
             |           
            
                22.30
             |               
            
                22.10
             |                           
            
                22.10
             | 
            
                22.11
             |                     
            
                17.62
             |                                 
            
                52,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/6/2008
             | 
            
                -1.80 / -6.98%
             |             
            
                25.20
             |           
            
                25.20
             |               
            
                23.50
             |                           
            
                24.00
             | 
            
                23.73
             |                     
            
                19.14
             |                                 
            
                19,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2008
             | 
            
                +1.10 / +4.45%
             |             
            
                24.90
             |           
            
                25.80
             |               
            
                24.90
             |                           
            
                25.80
             | 
            
                25.18
             |                     
            
                20.57
             |                                 
            
                41,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/2/2008
             | 
            
                +1.20 / +5.11%
             |             
            
                24.70
             |           
            
                24.70
             |               
            
                22.50
             |                           
            
                24.70
             | 
            
                24.59
             |                     
            
                19.69
             |                                 
            
                43,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2008
             | 
            
                +0.20 / +0.86%
             |             
            
                22.50
             |           
            
                23.50
             |               
            
                22.50
             |                           
            
                23.50
             | 
            
                23.06
             |                     
            
                18.74
             |                                 
            
                30,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/30/2008
             | 
            
                -1.60 / -6.43%
             |             
            
                23.30
             |           
            
                23.30
             |               
            
                23.30
             |                           
            
                23.30
             | 
            
                23.30
             |                     
            
                18.58
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                9/29/2008
             | 
            
                0.00 / 0.00%
             |             
            
                25.00
             |           
            
                25.50
             |               
            
                23.70
             |                           
            
                24.90
             | 
            
                24.97
             |                     
            
                19.85
             |                                 
            
                46,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/26/2008
             | 
            
                +1.10 / +4.62%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                23.50
             |                           
            
                24.90
             | 
            
                24.90
             |                     
            
                19.85
             |                                 
            
                88,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/25/2008
             | 
            
                +1.80 / +8.18%
             |             
            
                22.30
             |           
            
                23.80
             |               
            
                22.00
             |                           
            
                23.80
             | 
            
                23.42
             |                     
            
                18.98
             |                                 
            
                62,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/24/2008
             | 
            
                0.00 / 0.00%
             |             
            
                21.40
             |           
            
                23.00
             |               
            
                21.40
             |                           
            
                22.00
             | 
            
                22.34
             |                     
            
                17.54
             |                                 
            
                22,200
             |            
            
                 
             |                                       
         
    
        
            | 
                9/23/2008
             | 
            
                0.00 / 0.00%
             |             
            
                20.50
             |           
            
                23.50
             |               
            
                20.50
             |                           
            
                22.00
             | 
            
                22.69
             |                     
            
                17.54
             |                                 
            
                63,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/22/2008
             | 
            
                -0.20 / -0.90%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                17.54
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2008
             | 
            
                +1.40 / +6.73%
             |             
            
                19.40
             |           
            
                22.20
             |               
            
                19.40
             |                           
            
                22.20
             | 
            
                20.62
             |                     
            
                17.70
             |                                 
            
                65,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/18/2008
             | 
            
                -1.50 / -6.73%
             |             
            
                20.80
             |           
            
                21.00
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.82
             |                     
            
                16.58
             |                                 
            
                9,300
             |            
            
                 
             |                                       
         
    
        
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
 |