| 
                 
                    Closing price on 5/19/2014
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    16.70 | 
                 
                
                    | High | 
                    17.00 | 
                 
                
                    | Low | 
                    16.40 | 
                     
                
                    | Volume | 
                    207,400 | 
                                 
                
                    | Split-adjusted Price | 
                    4.75 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
AAA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/19/2014
             | 
            
                +0.10 / +0.60%
             |             
            
                16.70
             |           
            
                17.00
             |               
            
                16.40
             |                           
            
                16.80
             | 
            
                16.72
             |                     
            
                4.75
             |                                 
            
                207,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/16/2014
             | 
            
                +0.50 / +3.09%
             |             
            
                16.30
             |           
            
                16.70
             |               
            
                15.80
             |                           
            
                16.70
             | 
            
                16.42
             |                     
            
                4.72
             |                                 
            
                306,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/15/2014
             | 
            
                -0.40 / -2.41%
             |             
            
                16.50
             |           
            
                16.80
             |               
            
                15.50
             |                           
            
                16.20
             | 
            
                16.15
             |                     
            
                4.58
             |                                 
            
                366,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2014
             | 
            
                +0.90 / +5.73%
             |             
            
                16.30
             |           
            
                16.70
             |               
            
                15.80
             |                           
            
                16.60
             | 
            
                16.28
             |                     
            
                4.69
             |                                 
            
                267,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/13/2014
             | 
            
                +0.20 / +1.29%
             |             
            
                15.30
             |           
            
                15.90
             |               
            
                15.30
             |                           
            
                15.70
             | 
            
                15.65
             |                     
            
                4.43
             |                                 
            
                458,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/12/2014
             | 
            
                -1.30 / -7.74%
             |             
            
                16.00
             |           
            
                17.20
             |               
            
                15.30
             |                           
            
                15.50
             | 
            
                15.64
             |                     
            
                4.38
             |                                 
            
                511,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2014
             | 
            
                +0.60 / +3.70%
             |             
            
                15.00
             |           
            
                16.90
             |               
            
                15.00
             |                           
            
                16.80
             | 
            
                16.60
             |                     
            
                4.75
             |                                 
            
                358,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/8/2014
             | 
            
                -1.80 / -10.00%
             |             
            
                18.00
             |           
            
                18.00
             |               
            
                16.20
             |                           
            
                16.20
             | 
            
                16.30
             |                     
            
                4.58
             |                                 
            
                811,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/7/2014
             | 
            
                -0.20 / -1.10%
             |             
            
                18.20
             |           
            
                18.30
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                18.12
             |                     
            
                5.08
             |                                 
            
                95,600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2014
             | 
            
                -0.10 / -0.55%
             |             
            
                18.30
             |           
            
                18.30
             |               
            
                17.50
             |                           
            
                18.20
             | 
            
                17.96
             |                     
            
                5.14
             |                                 
            
                433,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2014
             | 
            
                -1.30 / -6.63%
             |             
            
                19.40
             |           
            
                19.40
             |               
            
                18.30
             |                           
            
                18.30
             | 
            
                18.85
             |                     
            
                5.17
             |                                 
            
                322,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2014
             | 
            
                +0.20 / +1.03%
             |             
            
                19.30
             |           
            
                19.60
             |               
            
                19.10
             |                           
            
                19.60
             | 
            
                19.35
             |                     
            
                5.54
             |                                 
            
                108,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2014
             | 
            
                -0.10 / -0.51%
             |             
            
                19.80
             |           
            
                19.80
             |               
            
                19.40
             |                           
            
                19.40
             | 
            
                19.57
             |                     
            
                5.48
             |                                 
            
                74,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2014
             | 
            
                +0.10 / +0.52%
             |             
            
                19.40
             |           
            
                19.60
             |               
            
                19.30
             |                           
            
                19.50
             | 
            
                19.47
             |                     
            
                5.51
             |                                 
            
                174,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2014
             | 
            
                -0.10 / -0.51%
             |             
            
                19.40
             |           
            
                19.60
             |               
            
                19.30
             |                           
            
                19.40
             | 
            
                19.44
             |                     
            
                5.48
             |                                 
            
                100,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2014
             | 
            
                -0.50 / -2.50%
             |             
            
                20.20
             |           
            
                20.20
             |               
            
                19.40
             |                           
            
                19.50
             | 
            
                19.77
             |                     
            
                5.51
             |                                 
            
                102,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2014
             | 
            
                +0.50 / +2.56%
             |             
            
                19.50
             |           
            
                20.00
             |               
            
                19.00
             |                           
            
                20.00
             | 
            
                19.52
             |                     
            
                5.65
             |                                 
            
                379,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2014
             | 
            
                -0.90 / -4.41%
             |             
            
                20.00
             |           
            
                20.20
             |               
            
                19.50
             |                           
            
                19.50
             | 
            
                19.77
             |                     
            
                5.51
             |                                 
            
                250,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2014
             | 
            
                -1.10 / -5.12%
             |             
            
                21.50
             |           
            
                21.50
             |               
            
                20.30
             |                           
            
                20.40
             | 
            
                20.67
             |                     
            
                5.76
             |                                 
            
                465,700
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2014
             | 
            
                +0.70 / +3.37%
             |             
            
                21.00
             |           
            
                21.50
             |               
            
                20.80
             |                           
            
                21.50
             | 
            
                21.20
             |                     
            
                6.07
             |                                 
            
                204,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2014
             | 
            
                -0.70 / -3.26%
             |             
            
                21.40
             |           
            
                21.50
             |               
            
                20.40
             |                           
            
                20.80
             | 
            
                20.72
             |                     
            
                5.88
             |                                 
            
                379,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2014
             | 
            
                -1.10 / -4.87%
             |             
            
                22.60
             |           
            
                22.60
             |               
            
                21.50
             |                           
            
                21.50
             | 
            
                21.97
             |                     
            
                6.07
             |                                 
            
                490,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2014
             | 
            
                -0.40 / -1.74%
             |             
            
                23.00
             |           
            
                23.00
             |               
            
                22.50
             |                           
            
                22.60
             | 
            
                22.62
             |                     
            
                6.38
             |                                 
            
                485,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2014
             | 
            
                -0.40 / -1.71%
             |             
            
                23.50
             |           
            
                23.50
             |               
            
                22.90
             |                           
            
                23.00
             | 
            
                23.04
             |                     
            
                6.50
             |                                 
            
                383,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2014
             | 
            
                -0.60 / -2.50%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                23.30
             |                           
            
                23.40
             | 
            
                23.56
             |                     
            
                6.61
             |                                 
            
                201,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2014
             | 
            
                +1.00 / +4.35%
             |             
            
                23.00
             |           
            
                24.30
             |               
            
                23.00
             |                           
            
                24.00
             | 
            
                23.66
             |                     
            
                6.78
             |                                 
            
                490,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2014
             | 
            
                +0.20 / +0.88%
             |             
            
                23.30
             |           
            
                23.30
             |               
            
                22.80
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                6.50
             |                                 
            
                156,300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2014
             | 
            
                -0.40 / -1.72%
             |             
            
                23.20
             |           
            
                23.40
             |               
            
                22.50
             |                           
            
                22.80
             | 
            
                22.80
             |                     
            
                6.44
             |                                 
            
                494,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2014
             | 
            
                +0.20 / +0.87%
             |             
            
                23.00
             |           
            
                23.30
             |               
            
                23.00
             |                           
            
                23.20
             | 
            
                23.15
             |                     
            
                6.55
             |                                 
            
                255,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2014
             | 
            
                -0.20 / -0.86%
             |             
            
                23.20
             |           
            
                23.40
             |               
            
                22.40
             |                           
            
                23.00
             | 
            
                22.95
             |                     
            
                6.50
             |                                 
            
                390,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |