| 
                 
                    Closing price on 6/22/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    4.30 | 
                 
                
                    | High | 
                    4.30 | 
                 
                
                    | Low | 
                    4.20 | 
                     
                
                    | Volume | 
                    17,800 | 
                                 
                
                    | Split-adjusted Price | 
                    1.62 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
MAC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/22/2012
             | 
            
                -0.10 / -2.27%
             |             
            
                4.30
             |           
            
                4.30
             |               
            
                4.20
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.62
             |                                 
            
                17,800
             |            
            
                 
             |                                       
         
    
        
            | 
                6/21/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.66
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/20/2012
             | 
            
                +0.10 / +2.33%
             |             
            
                4.30
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.66
             |                                 
            
                11,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/19/2012
             | 
            
                -0.30 / -6.52%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.62
             |                                 
            
                29,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.80
             |           
            
                4.80
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                1.74
             |                                 
            
                31,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/15/2012
             | 
            
                +0.10 / +2.22%
             |             
            
                4.40
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                1.74
             |                                 
            
                4,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.60
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                1.70
             |                                 
            
                7,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/13/2012
             | 
            
                +0.10 / +2.27%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                1.70
             |                                 
            
                5,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/12/2012
             | 
            
                -0.20 / -4.35%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.66
             |                                 
            
                14,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2012
             | 
            
                -0.10 / -2.13%
             |             
            
                4.60
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                1.74
             |                                 
            
                19,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/8/2012
             | 
            
                +0.10 / +2.17%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.50
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                1.77
             |                                 
            
                18,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2012
             | 
            
                +0.30 / +6.98%
             |             
            
                4.40
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                1.74
             |                                 
            
                70,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/6/2012
             | 
            
                -0.20 / -4.44%
             |             
            
                4.30
             |           
            
                4.60
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.62
             |                                 
            
                63,000
             |            
            
                 
             |                                       
         
    
        
            | 
                6/5/2012
             | 
            
                +0.20 / +4.65%
             |             
            
                4.20
             |           
            
                4.50
             |               
            
                4.10
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                1.70
             |                                 
            
                33,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2012
             | 
            
                -0.30 / -6.52%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.10
             |                           
            
                4.30
             | 
            
                4.30
             |                     
            
                1.62
             |                                 
            
                69,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.30
             |           
            
                4.60
             |               
            
                4.30
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                1.74
             |                                 
            
                66,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2012
             | 
            
                -0.30 / -6.12%
             |             
            
                4.70
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                1.74
             |                                 
            
                41,200
             |            
            
                 
             |                                       
         
    
        
            | 
                5/30/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.90
             | 
            
                4.90
             |                     
            
                1.85
             |                                 
            
                8,312
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/29/2012
             | 
            
                0.00 / 0.00%
             |             
            
                4.80
             |           
            
                4.90
             |               
            
                4.70
             |                           
            
                4.90
             | 
            
                4.90
             |                     
            
                1.85
             |                                 
            
                35,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2012
             | 
            
                +0.10 / +2.08%
             |             
            
                4.90
             |           
            
                5.10
             |               
            
                4.80
             |                           
            
                4.90
             | 
            
                4.90
             |                     
            
                1.85
             |                                 
            
                132,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2012
             | 
            
                +0.20 / +4.35%
             |             
            
                4.60
             |           
            
                4.80
             |               
            
                4.60
             |                           
            
                4.80
             | 
            
                4.80
             |                     
            
                1.81
             |                                 
            
                59,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2012
             | 
            
                +0.10 / +2.22%
             |             
            
                4.40
             |           
            
                4.70
             |               
            
                4.40
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                1.74
             |                                 
            
                45,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/23/2012
             | 
            
                -0.30 / -6.25%
             |             
            
                4.70
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.50
             |                     
            
                1.70
             |                                 
            
                116,512
             |            
            
                 
             |                                       
         
    
        
            | 
                5/22/2012
             | 
            
                -0.10 / -2.04%
             |             
            
                5.00
             |           
            
                5.10
             |               
            
                4.70
             |                           
            
                4.80
             | 
            
                4.80
             |                     
            
                1.81
             |                                 
            
                105,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2012
             | 
            
                +0.30 / +6.52%
             |             
            
                4.60
             |           
            
                4.90
             |               
            
                4.60
             |                           
            
                4.90
             | 
            
                4.90
             |                     
            
                1.85
             |                                 
            
                70,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2012
             | 
            
                -0.10 / -2.13%
             |             
            
                4.90
             |           
            
                5.00
             |               
            
                4.60
             |                           
            
                4.60
             | 
            
                4.60
             |                     
            
                1.74
             |                                 
            
                99,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2012
             | 
            
                0.00 / 0.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                1.77
             |                                 
            
                90,500
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2012
             | 
            
                +0.30 / +6.82%
             |             
            
                4.50
             |           
            
                4.70
             |               
            
                4.50
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                1.77
             |                                 
            
                259,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2012
             | 
            
                -0.30 / -6.38%
             |             
            
                4.60
             |           
            
                4.80
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                1.66
             |                                 
            
                157,625
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2012
             | 
            
                -0.30 / -6.00%
             |             
            
                5.00
             |           
            
                5.20
             |               
            
                4.70
             |                           
            
                4.70
             | 
            
                4.70
             |                     
            
                1.77
             |                                 
            
                127,500
             |  
            
                 
             |                                                              
             
    
         
    
    
 |