| 
                 
                    Closing price on 4/28/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.10 | 
                 
                
                    | High | 
                    7.30 | 
                 
                
                    | Low | 
                    6.70 | 
                     
                
                    | Volume | 
                    51,400 | 
                                 
                
                    | Split-adjusted Price | 
                    3.67 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
APG Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/28/2011
             | 
            
                -0.10 / -1.47%
             |             
            
                7.10
             |           
            
                7.30
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                7.15
             |                     
            
                3.67
             |                                 
            
                51,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2011
             | 
            
                -0.20 / -2.86%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                7.16
             |                     
            
                3.72
             |                                 
            
                51,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2011
             | 
            
                -0.20 / -2.78%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.27
             |                     
            
                3.83
             |                                 
            
                63,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2011
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.70
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.51
             |                     
            
                3.94
             |                                 
            
                76,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2011
             | 
            
                -0.10 / -1.37%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.66
             |                     
            
                3.94
             |                                 
            
                53,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2011
             | 
            
                -0.10 / -1.35%
             |             
            
                7.70
             |           
            
                7.80
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.73
             |                     
            
                3.99
             |                                 
            
                56,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2011
             | 
            
                -0.10 / -1.33%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.81
             |                     
            
                4.05
             |                                 
            
                58,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2011
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                8.00
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.91
             |                     
            
                4.10
             |                                 
            
                64,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/18/2011
             | 
            
                -0.20 / -2.60%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.95
             |                     
            
                4.10
             |                                 
            
                71,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2011
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.99
             |                     
            
                4.21
             |                                 
            
                75,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2011
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                8.40
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                8.17
             |                     
            
                4.21
             |                                 
            
                93,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2011
             | 
            
                +0.10 / +1.32%
             |             
            
                8.00
             |           
            
                8.40
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                8.17
             |                     
            
                4.21
             |                                 
            
                90,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2011
             | 
            
                +0.10 / +1.33%
             |             
            
                8.00
             |           
            
                8.20
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                8.15
             |                     
            
                4.16
             |                                 
            
                86,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2011
             | 
            
                -0.20 / -2.60%
             |             
            
                8.00
             |           
            
                8.20
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                8.03
             |                     
            
                4.10
             |                                 
            
                106,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2011
             | 
            
                0.00 / 0.00%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                8.05
             |                     
            
                4.21
             |                                 
            
                135,100
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2011
             | 
            
                -0.10 / -1.28%
             |             
            
                8.20
             |           
            
                8.40
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                8.20
             |                     
            
                4.21
             |                                 
            
                112,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2011
             | 
            
                -0.50 / -6.02%
             |             
            
                8.30
             |           
            
                8.40
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                8.22
             |                     
            
                4.27
             |                                 
            
                109,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2011
             | 
            
                0.00 / 0.00%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                4.54
             |                                 
            
                1,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2011
             | 
            
                +0.10 / +1.22%
             |             
            
                8.40
             |           
            
                9.10
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.93
             |                     
            
                4.54
             |                                 
            
                87,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2011
             | 
            
                -0.30 / -3.53%
             |             
            
                8.80
             |           
            
                9.10
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.87
             |                     
            
                4.49
             |                                 
            
                112,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2011
             | 
            
                +0.20 / +2.41%
             |             
            
                8.80
             |           
            
                9.10
             |               
            
                8.10
             |                           
            
                8.50
             | 
            
                8.77
             |                     
            
                4.65
             |                                 
            
                157,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2011
             | 
            
                -0.20 / -2.35%
             |             
            
                8.80
             |           
            
                9.10
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.75
             |                     
            
                4.54
             |                                 
            
                109,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2011
             | 
            
                -0.10 / -1.16%
             |             
            
                9.10
             |           
            
                9.30
             |               
            
                8.40
             |                           
            
                8.50
             | 
            
                8.92
             |                     
            
                4.65
             |                                 
            
                163,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/24/2011
             | 
            
                -0.30 / -3.37%
             |             
            
                9.40
             |           
            
                9.40
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                9.02
             |                     
            
                4.71
             |                                 
            
                162,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2011
             | 
            
                0.00 / 0.00%
             |             
            
                9.30
             |           
            
                9.70
             |               
            
                8.80
             |                           
            
                8.90
             | 
            
                9.23
             |                     
            
                4.87
             |                                 
            
                197,900
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2011
             | 
            
                0.00 / 0.00%
             |             
            
                9.50
             |           
            
                9.60
             |               
            
                8.90
             |                           
            
                8.90
             | 
            
                9.39
             |                     
            
                4.87
             |                                 
            
                84,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2011
             | 
            
                -0.20 / -2.20%
             |             
            
                9.50
             |           
            
                9.90
             |               
            
                8.90
             |                           
            
                8.90
             | 
            
                9.48
             |                     
            
                4.87
             |                                 
            
                154,500
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2011
             | 
            
                -0.20 / -2.15%
             |             
            
                9.60
             |           
            
                9.90
             |               
            
                9.00
             |                           
            
                9.10
             | 
            
                9.49
             |                     
            
                4.98
             |                                 
            
                148,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/17/2011
             | 
            
                +0.30 / +3.33%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                8.90
             |                           
            
                9.30
             | 
            
                9.59
             |                     
            
                5.09
             |                                 
            
                117,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2011
             | 
            
                +0.10 / +1.12%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.52
             |                     
            
                4.93
             |                                 
            
                77,000
             |  
            
                 
             |                                                              
             
    
         
    
    
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