| 
                 
                    Closing price on 8/2/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    3.30 | 
                 
                
                    | High | 
                    3.40 | 
                 
                
                    | Low | 
                    3.30 | 
                     
                
                    | Volume | 
                    92,000 | 
                                 
                
                    | Split-adjusted Price | 
                    1.25 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MAC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/2/2011
             | 
            
                -0.20 / -5.71%
             |             
            
                3.30
             |           
            
                3.40
             |               
            
                3.30
             |                           
            
                3.30
             | 
            
                3.30
             |                     
            
                1.25
             |                                 
            
                92,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/1/2011
             | 
            
                -0.20 / -5.41%
             |             
            
                3.80
             |           
            
                3.80
             |               
            
                3.50
             |                           
            
                3.50
             | 
            
                3.50
             |                     
            
                1.32
             |                                 
            
                15,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2011
             | 
            
                0.00 / 0.00%
             |             
            
                3.60
             |           
            
                3.70
             |               
            
                3.60
             |                           
            
                3.70
             | 
            
                3.70
             |                     
            
                1.40
             |                                 
            
                5,000
             |            
            
                 
             |                                       
         
    
        
            | 
                7/28/2011
             | 
            
                -0.10 / -2.63%
             |             
            
                3.80
             |           
            
                3.80
             |               
            
                3.60
             |                           
            
                3.70
             | 
            
                3.70
             |                     
            
                1.40
             |                                 
            
                40,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2011
             | 
            
                0.00 / 0.00%
             |             
            
                3.80
             |           
            
                3.80
             |               
            
                3.70
             |                           
            
                3.80
             | 
            
                3.80
             |                     
            
                1.43
             |                                 
            
                8,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2011
             | 
            
                -0.10 / -2.56%
             |             
            
                4.00
             |           
            
                4.00
             |               
            
                3.80
             |                           
            
                3.80
             | 
            
                3.80
             |                     
            
                1.43
             |                                 
            
                15,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2011
             | 
            
                -0.10 / -2.50%
             |             
            
                3.90
             |           
            
                4.00
             |               
            
                3.90
             |                           
            
                3.90
             | 
            
                3.90
             |                     
            
                1.47
             |                                 
            
                20,900
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2011
             | 
            
                -0.20 / -4.76%
             |             
            
                3.90
             |           
            
                4.00
             |               
            
                3.90
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                1.51
             |                                 
            
                36,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/21/2011
             | 
            
                -0.10 / -2.33%
             |             
            
                4.10
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                1.58
             |                                 
            
                38,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2011
             | 
            
                +0.30 / +7.50%
             |             
            
                4.10
             |           
            
                4.30
             |               
            
                4.00
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.62
             |                                 
            
                14,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2011
             | 
            
                -0.10 / -2.44%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.00
             |                           
            
                4.00
             | 
            
                4.00
             |                     
            
                1.51
             |                                 
            
                12,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/18/2011
             | 
            
                -0.10 / -2.38%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.00
             |                           
            
                4.10
             | 
            
                4.10
             |                     
            
                1.55
             |                                 
            
                16,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2011
             | 
            
                -0.10 / -2.33%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                1.58
             |                                 
            
                36,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/14/2011
             | 
            
                -0.10 / -2.27%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.62
             |                                 
            
                11,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2011
             | 
            
                -0.10 / -2.22%
             |             
            
                4.30
             |           
            
                4.60
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.66
             |                                 
            
                6,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2011
             | 
            
                +0.10 / +2.27%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.20
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                1.70
             |                                 
            
                20,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/11/2011
             | 
            
                +0.20 / +4.76%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.66
             |                                 
            
                3,100
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2011
             | 
            
                -0.30 / -6.67%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                1.58
             |                                 
            
                51,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/7/2011
             | 
            
                -0.20 / -4.26%
             |             
            
                4.50
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                1.70
             |                                 
            
                2,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2011
             | 
            
                -0.10 / -2.08%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                1.77
             |                                 
            
                14,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2011
             | 
            
                +0.20 / +4.35%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.80
             |                     
            
                1.81
             |                                 
            
                88,200
             |            
            
                 
             |                                       
         
    
        
            | 
                7/4/2011
             | 
            
                +0.30 / +6.98%
             |             
            
                4.20
             |           
            
                4.60
             |               
            
                4.10
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                1.74
             |                                 
            
                6,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/1/2011
             | 
            
                -0.40 / -8.51%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.62
             |                                 
            
                37,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/30/2011
             | 
            
                +0.10 / +2.17%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.60
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                1.77
             |                                 
            
                71,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2011
             | 
            
                0.00 / 0.00%
             |             
            
                4.80
             |           
            
                5.10
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                1.74
             |                                 
            
                29,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2011
             | 
            
                0.00 / 0.00%
             |             
            
                4.80
             |           
            
                4.90
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                1.74
             |                                 
            
                20,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/27/2011
             | 
            
                -0.20 / -4.17%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                1.74
             |                                 
            
                18,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/24/2011
             | 
            
                +0.20 / +4.35%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.80
             | 
            
                4.80
             |                     
            
                1.81
             |                                 
            
                18,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/23/2011
             | 
            
                -0.20 / -4.17%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                1.74
             |                                 
            
                20,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2011
             | 
            
                -0.20 / -4.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.60
             |                           
            
                4.80
             | 
            
                4.80
             |                     
            
                1.81
             |                                 
            
                54,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |