| 
                 
                    Closing price on 5/13/2008
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    19.60 | 
                 
                
                    | High | 
                    19.60 | 
                 
                
                    | Low | 
                    19.60 | 
                     
                
                    | Volume | 
                    300 | 
                                 
                
                    | Split-adjusted Price | 
                    15.63 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MEC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/13/2008
             | 
            
                -0.60 / -2.97%
             |             
            
                19.60
             |           
            
                19.60
             |               
            
                19.60
             |                           
            
                19.60
             | 
            
                19.60
             |                     
            
                15.63
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2008
             | 
            
                -0.60 / -2.88%
             |             
            
                20.20
             |           
            
                20.20
             |               
            
                20.20
             |                           
            
                20.20
             | 
            
                20.20
             |                     
            
                16.11
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2008
             | 
            
                -0.60 / -2.80%
             |             
            
                20.80
             |           
            
                20.80
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                16.58
             |                                 
            
                3,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2008
             | 
            
                -0.60 / -2.73%
             |             
            
                21.40
             |           
            
                21.40
             |               
            
                21.40
             |                           
            
                21.40
             | 
            
                21.40
             |                     
            
                17.06
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2008
             | 
            
                -0.60 / -2.65%
             |             
            
                22.00
             |           
            
                22.00
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                17.54
             |                                 
            
                1,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2008
             | 
            
                -0.40 / -1.74%
             |             
            
                23.00
             |           
            
                23.00
             |               
            
                22.60
             |                           
            
                22.60
             | 
            
                22.60
             |                     
            
                18.02
             |                                 
            
                8,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2008
             | 
            
                +0.10 / +0.44%
             |             
            
                23.50
             |           
            
                23.50
             |               
            
                22.30
             |                           
            
                23.00
             | 
            
                23.24
             |                     
            
                18.34
             |                                 
            
                27,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2008
             | 
            
                +0.60 / +2.69%
             |             
            
                22.90
             |           
            
                22.90
             |               
            
                22.90
             |                           
            
                22.90
             | 
            
                22.90
             |                     
            
                18.26
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2008
             | 
            
                +0.60 / +2.76%
             |             
            
                22.30
             |           
            
                22.30
             |               
            
                22.30
             |                           
            
                22.30
             | 
            
                22.30
             |                     
            
                17.78
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2008
             | 
            
                +0.70 / +3.33%
             |             
            
                21.70
             |           
            
                21.70
             |               
            
                21.70
             |                           
            
                21.70
             | 
            
                21.70
             |                     
            
                17.30
             |                                 
            
                4,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2008
             | 
            
                -0.60 / -2.78%
             |             
            
                21.00
             |           
            
                21.30
             |               
            
                21.00
             |                           
            
                21.00
             | 
            
                21.05
             |                     
            
                16.74
             |                                 
            
                5,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2008
             | 
            
                -0.50 / -2.26%
             |             
            
                21.60
             |           
            
                21.80
             |               
            
                21.60
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                17.22
             |                                 
            
                5,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2008
             | 
            
                -0.70 / -3.07%
             |             
            
                22.30
             |           
            
                22.50
             |               
            
                22.10
             |                           
            
                22.10
             | 
            
                22.19
             |                     
            
                17.62
             |                                 
            
                8,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2008
             | 
            
                -0.20 / -0.87%
             |             
            
                22.70
             |           
            
                22.90
             |               
            
                22.70
             |                           
            
                22.80
             | 
            
                22.72
             |                     
            
                18.18
             |                                 
            
                8,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2008
             | 
            
                -1.60 / -6.50%
             |             
            
                24.30
             |           
            
                24.30
             |               
            
                22.90
             |                           
            
                23.00
             | 
            
                23.26
             |                     
            
                18.34
             |                                 
            
                14,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2008
             | 
            
                +0.70 / +2.93%
             |             
            
                23.20
             |           
            
                24.60
             |               
            
                23.20
             |                           
            
                24.60
             | 
            
                23.59
             |                     
            
                19.61
             |                                 
            
                22,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2008
             | 
            
                -0.70 / -2.85%
             |             
            
                23.90
             |           
            
                23.90
             |               
            
                23.90
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                19.06
             |                                 
            
                4,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2008
             | 
            
                -0.70 / -2.77%
             |             
            
                24.60
             |           
            
                24.60
             |               
            
                24.60
             |                           
            
                24.60
             | 
            
                24.60
             |                     
            
                19.61
             |                                 
            
                4,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2008
             | 
            
                -0.40 / -1.56%
             |             
            
                25.30
             |           
            
                25.30
             |               
            
                25.30
             |                           
            
                25.30
             | 
            
                25.30
             |                     
            
                20.17
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2008
             | 
            
                -0.70 / -2.65%
             |             
            
                27.10
             |           
            
                27.10
             |               
            
                25.70
             |                           
            
                25.70
             | 
            
                26.04
             |                     
            
                20.49
             |                                 
            
                12,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2008
             | 
            
                +0.50 / +1.93%
             |             
            
                26.60
             |           
            
                26.60
             |               
            
                25.80
             |                           
            
                26.40
             | 
            
                26.36
             |                     
            
                21.05
             |                                 
            
                24,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2008
             | 
            
                +0.70 / +2.78%
             |             
            
                25.90
             |           
            
                25.90
             |               
            
                25.90
             |                           
            
                25.90
             | 
            
                25.90
             |                     
            
                20.65
             |                                 
            
                500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2008
             | 
            
                +0.40 / +1.61%
             |             
            
                25.20
             |           
            
                25.20
             |               
            
                25.20
             |                           
            
                25.20
             | 
            
                25.20
             |                     
            
                20.09
             |                                 
            
                4,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2008
             | 
            
                +0.40 / +1.64%
             |             
            
                24.80
             |           
            
                24.80
             |               
            
                24.80
             |                           
            
                24.80
             | 
            
                24.80
             |                     
            
                19.77
             |                                 
            
                400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2008
             | 
            
                +0.40 / +1.67%
             |             
            
                24.40
             |           
            
                24.40
             |               
            
                24.40
             |                           
            
                24.40
             | 
            
                24.40
             |                     
            
                19.45
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2008
             | 
            
                +0.40 / +1.69%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                19.14
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2008
             | 
            
                +0.40 / +1.72%
             |             
            
                23.60
             |           
            
                23.60
             |               
            
                23.60
             |                           
            
                23.60
             | 
            
                23.60
             |                     
            
                18.82
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2008
             | 
            
                -0.80 / -3.33%
             |             
            
                23.20
             |           
            
                23.20
             |               
            
                23.20
             |                           
            
                23.20
             | 
            
                23.20
             |                     
            
                18.50
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2008
             | 
            
                0.00 / 0.00%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                19.14
             |                                 
            
                2,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2008
             | 
            
                +0.60 / +2.56%
             |             
            
                21.10
             |           
            
                24.90
             |               
            
                21.10
             |                           
            
                24.00
             | 
            
                23.61
             |                     
            
                19.14
             |                                 
            
                19,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |