| 
                 
                    Closing price on 10/26/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    23.90 | 
                 
                
                    | High | 
                    24.00 | 
                 
                
                    | Low | 
                    23.90 | 
                     
                
                    | Volume | 
                    1,310 | 
                                 
                
                    | Split-adjusted Price | 
                    3.61 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
ACC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/26/2012
             | 
            
                -0.20 / -0.83%
             |             
            
                23.90
             |           
            
                24.00
             |               
            
                23.90
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                3.61
             |                                 
            
                1,310
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2012
             | 
            
                -0.10 / -0.41%
             |             
            
                24.30
             |           
            
                24.30
             |               
            
                24.00
             |                           
            
                24.20
             | 
            
                24.20
             |                     
            
                3.64
             |                                 
            
                3,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2012
             | 
            
                0.00 / 0.00%
             |             
            
                24.50
             |           
            
                24.50
             |               
            
                24.20
             |                           
            
                24.30
             | 
            
                24.30
             |                     
            
                3.65
             |                                 
            
                2,530
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2012
             | 
            
                +0.10 / +0.41%
             |             
            
                24.00
             |           
            
                24.30
             |               
            
                24.00
             |                           
            
                24.30
             | 
            
                24.30
             |                     
            
                3.65
             |                                 
            
                5,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/22/2012
             | 
            
                +0.20 / +0.83%
             |             
            
                24.40
             |           
            
                24.40
             |               
            
                24.00
             |                           
            
                24.20
             | 
            
                24.20
             |                     
            
                3.64
             |                                 
            
                70
             |            
            
                 
             |                                       
         
    
        
            | 
                10/19/2012
             | 
            
                +0.10 / +0.42%
             |             
            
                24.50
             |           
            
                24.50
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                3.61
             |                                 
            
                10,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2012
             | 
            
                -0.10 / -0.42%
             |             
            
                24.40
             |           
            
                24.40
             |               
            
                23.60
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                3.59
             |                                 
            
                420
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2012
             | 
            
                0.00 / 0.00%
             |             
            
                24.40
             |           
            
                24.40
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                3.61
             |                                 
            
                10,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2012
             | 
            
                0.00 / 0.00%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                3.61
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2012
             | 
            
                -0.90 / -3.61%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                24.00
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                3.61
             |                                 
            
                20
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/12/2012
             | 
            
                +1.00 / +4.18%
             |             
            
                24.00
             |           
            
                24.90
             |               
            
                24.00
             |                           
            
                24.90
             | 
            
                24.90
             |                     
            
                3.74
             |                                 
            
                70
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2012
             | 
            
                0.00 / 0.00%
             |             
            
                23.90
             |           
            
                23.90
             |               
            
                23.90
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                3.59
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2012
             | 
            
                +0.50 / +2.14%
             |             
            
                23.40
             |           
            
                23.90
             |               
            
                23.40
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                3.59
             |                                 
            
                10,970
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2012
             | 
            
                0.00 / 0.00%
             |             
            
                23.40
             |           
            
                23.50
             |               
            
                23.40
             |                           
            
                23.40
             | 
            
                23.40
             |                     
            
                3.52
             |                                 
            
                12,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/8/2012
             | 
            
                0.00 / 0.00%
             |             
            
                23.40
             |           
            
                23.40
             |               
            
                23.30
             |                           
            
                23.40
             | 
            
                23.40
             |                     
            
                3.52
             |                                 
            
                13,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/5/2012
             | 
            
                +0.20 / +0.86%
             |             
            
                23.20
             |           
            
                23.40
             |               
            
                23.20
             |                           
            
                23.40
             | 
            
                23.40
             |                     
            
                3.52
             |                                 
            
                25,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/4/2012
             | 
            
                0.00 / 0.00%
             |             
            
                23.20
             |           
            
                23.20
             |               
            
                23.20
             |                           
            
                23.20
             | 
            
                23.20
             |                     
            
                3.49
             |                                 
            
                18,500
             |            
            
                 
             |                                       
         
    
        
            | 
                10/3/2012
             | 
            
                0.00 / 0.00%
             |             
            
                23.20
             |           
            
                23.20
             |               
            
                23.10
             |                           
            
                23.20
             | 
            
                23.20
             |                     
            
                3.49
             |                                 
            
                3,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/2/2012
             | 
            
                -0.20 / -0.85%
             |             
            
                23.40
             |           
            
                23.40
             |               
            
                23.20
             |                           
            
                23.20
             | 
            
                23.20
             |                     
            
                3.49
             |                                 
            
                10,450
             |            
            
                 
             |                                       
         
    
        
            | 
                10/1/2012
             | 
            
                -0.50 / -2.09%
             |             
            
                23.60
             |           
            
                23.60
             |               
            
                23.40
             |                           
            
                23.40
             | 
            
                23.40
             |                     
            
                3.52
             |                                 
            
                1,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/28/2012
             | 
            
                +0.40 / +1.70%
             |             
            
                23.90
             |           
            
                23.90
             |               
            
                23.50
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                3.59
             |                                 
            
                1,040
             |            
            
                 
             |                                       
         
    
        
            | 
                9/27/2012
             | 
            
                0.00 / 0.00%
             |             
            
                23.50
             |           
            
                23.50
             |               
            
                23.50
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                3.53
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/26/2012
             | 
            
                -0.20 / -0.84%
             |             
            
                23.60
             |           
            
                23.60
             |               
            
                23.50
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                3.53
             |                                 
            
                1,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/25/2012
             | 
            
                -0.10 / -0.42%
             |             
            
                23.90
             |           
            
                23.90
             |               
            
                23.70
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                3.56
             |                                 
            
                550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/24/2012
             | 
            
                -0.10 / -0.42%
             |             
            
                23.80
             |           
            
                23.80
             |               
            
                23.80
             |                           
            
                23.80
             | 
            
                23.80
             |                     
            
                3.58
             |                                 
            
                10,000
             |            
            
                 
             |                                       
         
    
        
            | 
                9/21/2012
             | 
            
                +0.40 / +1.70%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                23.50
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                3.59
             |                                 
            
                2,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/20/2012
             | 
            
                -0.30 / -1.26%
             |             
            
                23.90
             |           
            
                23.90
             |               
            
                23.50
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                3.53
             |                                 
            
                9,910
             |            
            
                 
             |                                       
         
    
        
            | 
                9/19/2012
             | 
            
                0.00 / 0.00%
             |             
            
                23.80
             |           
            
                23.80
             |               
            
                23.50
             |                           
            
                23.80
             | 
            
                23.80
             |                     
            
                3.58
             |                                 
            
                510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/18/2012
             | 
            
                +0.30 / +1.28%
             |             
            
                23.80
             |           
            
                23.80
             |               
            
                23.40
             |                           
            
                23.80
             | 
            
                23.80
             |                     
            
                3.58
             |                                 
            
                17,640
             |            
            
                 
             |                                       
         
    
        
            | 
                9/17/2012
             | 
            
                +0.10 / +0.43%
             |             
            
                23.50
             |           
            
                23.50
             |               
            
                23.40
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                3.53
             |                                 
            
                7,620
             |  
            
                 
             |                                                              
             
    
         
    
    
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