| 
                 
                    Closing price on 4/3/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    13.70 | 
                 
                
                    | High | 
                    13.80 | 
                 
                
                    | Low | 
                    13.50 | 
                     
                
                    | Volume | 
                    258,900 | 
                                 
                
                    | Split-adjusted Price | 
                    3.62 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
AAA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/3/2013
             | 
            
                0.00 / 0.00%
             |             
            
                13.70
             |           
            
                13.80
             |               
            
                13.50
             |                           
            
                13.70
             | 
            
                13.60
             |                     
            
                3.62
             |                                 
            
                258,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2013
             | 
            
                -0.20 / -1.44%
             |             
            
                13.90
             |           
            
                14.00
             |               
            
                13.70
             |                           
            
                13.70
             | 
            
                13.80
             |                     
            
                3.62
             |                                 
            
                172,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2013
             | 
            
                +0.50 / +3.73%
             |             
            
                13.20
             |           
            
                13.90
             |               
            
                13.20
             |                           
            
                13.90
             | 
            
                13.71
             |                     
            
                3.67
             |                                 
            
                136,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2013
             | 
            
                -0.10 / -0.74%
             |             
            
                13.40
             |           
            
                13.40
             |               
            
                13.10
             |                           
            
                13.40
             | 
            
                13.28
             |                     
            
                3.54
             |                                 
            
                183,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2013
             | 
            
                -0.20 / -1.46%
             |             
            
                13.60
             |           
            
                13.70
             |               
            
                13.50
             |                           
            
                13.50
             | 
            
                13.53
             |                     
            
                3.57
             |                                 
            
                206,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/27/2013
             | 
            
                0.00 / 0.00%
             |             
            
                13.70
             |           
            
                13.70
             |               
            
                13.50
             |                           
            
                13.70
             | 
            
                13.60
             |                     
            
                3.62
             |                                 
            
                92,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2013
             | 
            
                -0.10 / -0.72%
             |             
            
                13.80
             |           
            
                13.80
             |               
            
                13.60
             |                           
            
                13.70
             | 
            
                13.68
             |                     
            
                3.62
             |                                 
            
                178,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2013
             | 
            
                +0.10 / +0.73%
             |             
            
                13.60
             |           
            
                13.80
             |               
            
                13.60
             |                           
            
                13.80
             | 
            
                13.67
             |                     
            
                3.64
             |                                 
            
                192,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2013
             | 
            
                -0.20 / -1.44%
             |             
            
                13.70
             |           
            
                14.00
             |               
            
                13.50
             |                           
            
                13.70
             | 
            
                13.70
             |                     
            
                3.62
             |                                 
            
                244,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2013
             | 
            
                +0.10 / +0.72%
             |             
            
                13.80
             |           
            
                14.00
             |               
            
                13.70
             |                           
            
                13.90
             | 
            
                13.84
             |                     
            
                3.67
             |                                 
            
                218,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2013
             | 
            
                0.00 / 0.00%
             |             
            
                13.80
             |           
            
                13.90
             |               
            
                13.70
             |                           
            
                13.80
             | 
            
                13.80
             |                     
            
                3.64
             |                                 
            
                117,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2013
             | 
            
                0.00 / 0.00%
             |             
            
                13.70
             |           
            
                13.80
             |               
            
                13.60
             |                           
            
                13.80
             | 
            
                13.70
             |                     
            
                3.64
             |                                 
            
                55,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2013
             | 
            
                -0.10 / -0.72%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                13.70
             |                           
            
                13.80
             | 
            
                13.75
             |                     
            
                3.64
             |                                 
            
                133,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2013
             | 
            
                +0.10 / +0.72%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                13.70
             |                           
            
                13.90
             | 
            
                13.84
             |                     
            
                3.67
             |                                 
            
                194,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2013
             | 
            
                0.00 / 0.00%
             |             
            
                13.80
             |           
            
                13.90
             |               
            
                13.70
             |                           
            
                13.80
             | 
            
                13.82
             |                     
            
                3.64
             |                                 
            
                59,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2013
             | 
            
                -0.20 / -1.43%
             |             
            
                14.00
             |           
            
                14.00
             |               
            
                13.60
             |                           
            
                13.80
             | 
            
                13.81
             |                     
            
                3.64
             |                                 
            
                185,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2013
             | 
            
                -0.20 / -1.41%
             |             
            
                14.30
             |           
            
                14.30
             |               
            
                13.80
             |                           
            
                14.00
             | 
            
                13.99
             |                     
            
                3.70
             |                                 
            
                245,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2013
             | 
            
                +0.30 / +2.16%
             |             
            
                14.00
             |           
            
                14.30
             |               
            
                13.80
             |                           
            
                14.20
             | 
            
                14.06
             |                     
            
                3.75
             |                                 
            
                299,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2013
             | 
            
                +0.30 / +2.21%
             |             
            
                13.80
             |           
            
                13.90
             |               
            
                13.70
             |                           
            
                13.90
             | 
            
                13.77
             |                     
            
                3.67
             |                                 
            
                100,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2013
             | 
            
                -0.20 / -1.45%
             |             
            
                13.90
             |           
            
                13.90
             |               
            
                13.50
             |                           
            
                13.60
             | 
            
                13.66
             |                     
            
                3.59
             |                                 
            
                205,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2013
             | 
            
                +0.20 / +1.47%
             |             
            
                13.80
             |           
            
                13.90
             |               
            
                13.60
             |                           
            
                13.80
             | 
            
                13.75
             |                     
            
                3.64
             |                                 
            
                219,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2013
             | 
            
                -0.20 / -1.45%
             |             
            
                13.80
             |           
            
                14.10
             |               
            
                13.50
             |                           
            
                13.60
             | 
            
                13.69
             |                     
            
                3.59
             |                                 
            
                278,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2013
             | 
            
                -0.60 / -4.17%
             |             
            
                14.40
             |           
            
                14.40
             |               
            
                13.80
             |                           
            
                13.80
             | 
            
                14.00
             |                     
            
                3.64
             |                                 
            
                694,700
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2013
             | 
            
                0.00 / 0.00%
             |             
            
                14.50
             |           
            
                14.60
             |               
            
                14.20
             |                           
            
                14.40
             | 
            
                14.40
             |                     
            
                3.80
             |                                 
            
                310,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/28/2013
             | 
            
                +0.10 / +0.70%
             |             
            
                14.50
             |           
            
                14.70
             |               
            
                14.40
             |                           
            
                14.40
             | 
            
                14.51
             |                     
            
                3.80
             |                                 
            
                447,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/27/2013
             | 
            
                0.00 / 0.00%
             |             
            
                14.10
             |           
            
                14.40
             |               
            
                14.00
             |                           
            
                14.30
             | 
            
                14.19
             |                     
            
                3.78
             |                                 
            
                317,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2013
             | 
            
                -0.60 / -4.03%
             |             
            
                14.90
             |           
            
                14.90
             |               
            
                14.00
             |                           
            
                14.30
             | 
            
                14.46
             |                     
            
                3.78
             |                                 
            
                686,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2013
             | 
            
                +0.40 / +2.76%
             |             
            
                14.80
             |           
            
                15.00
             |               
            
                14.50
             |                           
            
                14.90
             | 
            
                14.71
             |                     
            
                3.94
             |                                 
            
                490,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2013
             | 
            
                +0.20 / +1.40%
             |             
            
                14.50
             |           
            
                15.10
             |               
            
                14.00
             |                           
            
                14.50
             | 
            
                14.62
             |                     
            
                3.83
             |                                 
            
                895,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/21/2013
             | 
            
                -1.50 / -9.49%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                14.30
             |                           
            
                14.30
             | 
            
                15.10
             |                     
            
                3.78
             |                                 
            
                1,234,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |