| 
                 
                    Closing price on 2/27/2014
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    23.70 | 
                 
                
                    | High | 
                    24.00 | 
                 
                
                    | Low | 
                    23.10 | 
                     
                
                    | Volume | 
                    638,400 | 
                                 
                
                    | Split-adjusted Price | 
                    6.52 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
AAA Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/27/2014
             | 
            
                -0.50 / -2.12%
             |             
            
                23.70
             |           
            
                24.00
             |               
            
                23.10
             |                           
            
                23.10
             | 
            
                23.61
             |                     
            
                6.52
             |                                 
            
                638,400
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2014
             | 
            
                -0.30 / -1.26%
             |             
            
                23.90
             |           
            
                23.90
             |               
            
                23.10
             |                           
            
                23.60
             | 
            
                23.59
             |                     
            
                6.67
             |                                 
            
                529,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/25/2014
             | 
            
                0.00 / 0.00%
             |             
            
                23.90
             |           
            
                24.00
             |               
            
                23.60
             |                           
            
                23.90
             | 
            
                23.85
             |                     
            
                6.75
             |                                 
            
                650,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/24/2014
             | 
            
                +0.10 / +0.42%
             |             
            
                24.00
             |           
            
                24.30
             |               
            
                23.60
             |                           
            
                23.90
             | 
            
                23.89
             |                     
            
                6.75
             |                                 
            
                461,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/21/2014
             | 
            
                +1.10 / +4.85%
             |             
            
                22.70
             |           
            
                24.20
             |               
            
                22.00
             |                           
            
                23.80
             | 
            
                23.54
             |                     
            
                6.72
             |                                 
            
                1,322,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/20/2014
             | 
            
                -1.90 / -7.72%
             |             
            
                24.50
             |           
            
                24.50
             |               
            
                22.30
             |                           
            
                22.70
             | 
            
                23.53
             |                     
            
                6.41
             |                                 
            
                1,065,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/19/2014
             | 
            
                +0.40 / +1.65%
             |             
            
                24.30
             |           
            
                25.00
             |               
            
                24.20
             |                           
            
                24.60
             | 
            
                24.52
             |                     
            
                6.95
             |                                 
            
                991,316
             |            
            
                 
             |                                       
         
    
        
            | 
                2/18/2014
             | 
            
                +0.10 / +0.41%
             |             
            
                24.40
             |           
            
                24.50
             |               
            
                23.80
             |                           
            
                24.20
             | 
            
                24.14
             |                     
            
                6.84
             |                                 
            
                548,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/17/2014
             | 
            
                +0.70 / +2.99%
             |             
            
                23.40
             |           
            
                24.60
             |               
            
                22.80
             |                           
            
                24.10
             | 
            
                23.61
             |                     
            
                6.81
             |                                 
            
                1,481,360
             |            
            
                 
             |                                       
         
    
        
            | 
                2/14/2014
             | 
            
                0.00 / 0.00%
             |             
            
                23.20
             |           
            
                23.60
             |               
            
                23.00
             |                           
            
                23.40
             | 
            
                23.37
             |                     
            
                6.61
             |                                 
            
                562,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/13/2014
             | 
            
                -0.30 / -1.27%
             |             
            
                23.80
             |           
            
                23.80
             |               
            
                23.10
             |                           
            
                23.40
             | 
            
                23.35
             |                     
            
                6.61
             |                                 
            
                685,200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/12/2014
             | 
            
                +0.70 / +3.04%
             |             
            
                23.00
             |           
            
                23.70
             |               
            
                23.00
             |                           
            
                23.70
             | 
            
                23.46
             |                     
            
                6.69
             |                                 
            
                377,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/11/2014
             | 
            
                -1.10 / -4.56%
             |             
            
                24.70
             |           
            
                24.70
             |               
            
                23.00
             |                           
            
                23.00
             | 
            
                23.72
             |                     
            
                6.50
             |                                 
            
                551,700
             |            
            
                 
             |                                       
         
    
        
            | 
                2/10/2014
             | 
            
                +1.20 / +5.24%
             |             
            
                22.70
             |           
            
                24.20
             |               
            
                22.60
             |                           
            
                24.10
             | 
            
                23.30
             |                     
            
                6.81
             |                                 
            
                858,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/7/2014
             | 
            
                -0.50 / -2.14%
             |             
            
                23.40
             |           
            
                23.40
             |               
            
                22.80
             |                           
            
                22.90
             | 
            
                22.99
             |                     
            
                6.47
             |                                 
            
                524,900
             |            
            
                 
             |                                       
         
    
        
            | 
                2/6/2014
             | 
            
                +0.20 / +0.86%
             |             
            
                23.20
             |           
            
                23.40
             |               
            
                22.70
             |                           
            
                23.40
             | 
            
                23.16
             |                     
            
                6.61
             |                                 
            
                217,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/27/2014
             | 
            
                +0.30 / +1.31%
             |             
            
                22.90
             |           
            
                23.20
             |               
            
                22.50
             |                           
            
                23.20
             | 
            
                22.75
             |                     
            
                6.55
             |                                 
            
                432,100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/24/2014
             | 
            
                -0.30 / -1.29%
             |             
            
                23.30
             |           
            
                23.40
             |               
            
                22.60
             |                           
            
                22.90
             | 
            
                22.88
             |                     
            
                6.47
             |                                 
            
                299,103
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/23/2014
             | 
            
                +0.70 / +3.11%
             |             
            
                22.40
             |           
            
                23.80
             |               
            
                22.40
             |                           
            
                23.20
             | 
            
                23.25
             |                     
            
                6.55
             |                                 
            
                359,300
             |            
            
                 
             |                                       
         
    
        
            | 
                1/22/2014
             | 
            
                +0.40 / +1.81%
             |             
            
                22.70
             |           
            
                23.50
             |               
            
                22.00
             |                           
            
                22.50
             | 
            
                22.84
             |                     
            
                6.36
             |                                 
            
                749,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/21/2014
             | 
            
                +2.00 / +9.95%
             |             
            
                20.30
             |           
            
                22.10
             |               
            
                20.20
             |                           
            
                22.10
             | 
            
                21.19
             |                     
            
                6.24
             |                                 
            
                757,900
             |            
            
                 
             |                                       
         
    
        
            | 
                1/20/2014
             | 
            
                -0.50 / -2.43%
             |             
            
                20.50
             |           
            
                20.80
             |               
            
                20.10
             |                           
            
                20.10
             | 
            
                20.30
             |                     
            
                5.68
             |                                 
            
                559,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/17/2014
             | 
            
                -0.30 / -1.44%
             |             
            
                20.90
             |           
            
                21.00
             |               
            
                20.60
             |                           
            
                20.60
             | 
            
                20.79
             |                     
            
                5.82
             |                                 
            
                772,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/16/2014
             | 
            
                +0.20 / +0.97%
             |             
            
                20.70
             |           
            
                21.20
             |               
            
                20.40
             |                           
            
                20.90
             | 
            
                20.75
             |                     
            
                5.90
             |                                 
            
                562,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/15/2014
             | 
            
                +1.30 / +6.70%
             |             
            
                19.50
             |           
            
                21.00
             |               
            
                19.50
             |                           
            
                20.70
             | 
            
                20.39
             |                     
            
                5.85
             |                                 
            
                981,800
             |            
            
                 
             |                                       
         
    
        
            | 
                1/14/2014
             | 
            
                +0.80 / +4.30%
             |             
            
                18.60
             |           
            
                19.60
             |               
            
                18.60
             |                           
            
                19.40
             | 
            
                19.29
             |                     
            
                5.48
             |                                 
            
                1,233,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/13/2014
             | 
            
                0.00 / 0.00%
             |             
            
                18.60
             |           
            
                18.90
             |               
            
                18.50
             |                           
            
                18.60
             | 
            
                18.70
             |                     
            
                5.25
             |                                 
            
                475,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/10/2014
             | 
            
                -0.20 / -1.06%
             |             
            
                18.80
             |           
            
                18.80
             |               
            
                18.50
             |                           
            
                18.60
             | 
            
                18.65
             |                     
            
                5.25
             |                                 
            
                426,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/9/2014
             | 
            
                +0.70 / +3.87%
             |             
            
                18.00
             |           
            
                18.90
             |               
            
                18.00
             |                           
            
                18.80
             | 
            
                18.51
             |                     
            
                5.31
             |                                 
            
                753,400
             |            
            
                 
             |                                       
         
    
        
            | 
                1/8/2014
             | 
            
                -0.10 / -0.55%
             |             
            
                18.00
             |           
            
                18.20
             |               
            
                17.90
             |                           
            
                18.10
             | 
            
                18.07
             |                     
            
                5.11
             |                                 
            
                267,000
             |  
            
                 
             |                                                              
             
    
         
    
    
 |