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            | 
                 
                    Closing price on 6/24/2010
                 
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             | 
         
         
 
    
        
                      
                
                    | Open | 
                    25.70 | 
                 
                
                    | High | 
                    26.70 | 
                 
                
                    | Low | 
                    25.50 | 
                     
                
                    | Volume | 
                    2,518,160 | 
                                 
                
                    | Split-adjusted Price | 
                    6.61 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PET Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/24/2010
             | 
            
                +1.10 / +4.31%
             |             
            
                25.70
             |           
            
                26.70
             |               
            
                25.50
             |                           
            
                26.60
             | 
            
                26.60
             |                     
            
                6.61
             |                                 
            
                2,518,160
             |            
            
                 
             |                                       
         
    
        
            | 
                6/23/2010
             | 
            
                +0.70 / +2.82%
             |             
            
                24.20
             |           
            
                25.50
             |               
            
                24.20
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                6.33
             |                                 
            
                620,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/22/2010
             | 
            
                0.00 / 0.00%
             |             
            
                24.80
             |           
            
                25.50
             |               
            
                24.80
             |                           
            
                24.80
             | 
            
                24.80
             |                     
            
                6.16
             |                                 
            
                1,024,113
             |            
            
                 
             |                                       
         
    
        
            | 
                6/21/2010
             | 
            
                +1.20 / +5.08%
             |             
            
                23.80
             |           
            
                24.80
             |               
            
                23.80
             |                           
            
                24.80
             | 
            
                24.80
             |                     
            
                6.16
             |                                 
            
                1,182,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/18/2010
             | 
            
                0.00 / 0.00%
             |             
            
                23.60
             |           
            
                23.60
             |               
            
                23.60
             |                           
            
                23.60
             | 
            
                23.60
             |                     
            
                5.86
             |                                 
            
                387,450
             |            
            
                 
             |                                       
         
    
        
            | 
                6/17/2010
             | 
            
                -0.40 / -1.67%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                23.60
             |                           
            
                23.60
             | 
            
                23.60
             |                     
            
                5.86
             |                                 
            
                314,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/16/2010
             | 
            
                +0.30 / +1.27%
             |             
            
                24.00
             |           
            
                24.20
             |               
            
                23.90
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                5.96
             |                                 
            
                403,760
             |            
            
                 
             |                                       
         
    
        
            | 
                6/15/2010
             | 
            
                -0.20 / -0.84%
             |             
            
                23.90
             |           
            
                23.90
             |               
            
                23.60
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                5.89
             |                                 
            
                261,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/14/2010
             | 
            
                +1.10 / +4.82%
             |             
            
                23.00
             |           
            
                23.90
             |               
            
                23.00
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                5.94
             |                                 
            
                1,014,190
             |            
            
                 
             |                                       
         
    
        
            | 
                6/11/2010
             | 
            
                +0.30 / +1.33%
             |             
            
                23.00
             |           
            
                23.20
             |               
            
                22.80
             |                           
            
                22.80
             | 
            
                22.80
             |                     
            
                5.66
             |                                 
            
                278,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/10/2010
             | 
            
                -0.10 / -0.44%
             |             
            
                22.60
             |           
            
                22.70
             |               
            
                22.20
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                5.59
             |                                 
            
                335,680
             |            
            
                 
             |                                       
         
    
        
            | 
                6/9/2010
             | 
            
                -0.10 / -0.44%
             |             
            
                23.00
             |           
            
                23.20
             |               
            
                22.60
             |                           
            
                22.60
             | 
            
                22.60
             |                     
            
                5.61
             |                                 
            
                216,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/8/2010
             | 
            
                +0.20 / +0.89%
             |             
            
                22.10
             |           
            
                22.90
             |               
            
                22.10
             |                           
            
                22.70
             | 
            
                22.70
             |                     
            
                5.64
             |                                 
            
                359,440
             |            
            
                 
             |                                       
         
    
        
            | 
                6/7/2010
             | 
            
                -1.00 / -4.26%
             |             
            
                22.80
             |           
            
                23.10
             |               
            
                22.40
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                5.59
             |                                 
            
                427,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/4/2010
             | 
            
                -0.40 / -1.67%
             |             
            
                23.70
             |           
            
                23.80
             |               
            
                23.40
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                5.84
             |                                 
            
                275,900
             |            
            
                 
             |                                       
         
    
        
            | 
                6/3/2010
             | 
            
                0.00 / 0.00%
             |             
            
                24.20
             |           
            
                24.30
             |               
            
                23.90
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                5.94
             |                                 
            
                368,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/2/2010
             | 
            
                +0.30 / +1.27%
             |             
            
                23.50
             |           
            
                24.00
             |               
            
                23.20
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                5.94
             |                                 
            
                296,950
             |            
            
                 
             |                                       
         
    
        
            | 
                6/1/2010
             | 
            
                -0.10 / -0.42%
             |             
            
                23.50
             |           
            
                23.80
             |               
            
                23.40
             |                           
            
                23.60
             | 
            
                23.60
             |                     
            
                5.86
             |                                 
            
                237,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/31/2010
             | 
            
                -0.70 / -2.87%
             |             
            
                24.30
             |           
            
                24.30
             |               
            
                23.70
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                5.89
             |                                 
            
                301,410
             |            
            
                 
             |                                       
         
    
        
            | 
                5/28/2010
             | 
            
                +0.70 / +2.95%
             |             
            
                24.30
             |           
            
                24.80
             |               
            
                24.00
             |                           
            
                24.40
             | 
            
                24.40
             |                     
            
                6.06
             |                                 
            
                634,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/27/2010
             | 
            
                0.00 / 0.00%
             |             
            
                23.70
             |           
            
                23.70
             |               
            
                23.10
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                5.89
             |                                 
            
                296,140
             |            
            
                 
             |                                       
         
    
        
            | 
                5/26/2010
             | 
            
                +0.80 / +3.49%
             |             
            
                23.00
             |           
            
                23.70
             |               
            
                22.90
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                5.89
             |                                 
            
                506,470
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/25/2010
             | 
            
                -0.10 / -0.43%
             |             
            
                23.00
             |           
            
                23.30
             |               
            
                22.70
             |                           
            
                22.90
             | 
            
                22.90
             |                     
            
                5.69
             |                                 
            
                618,430
             |            
            
                 
             |                                       
         
    
        
            | 
                5/24/2010
             | 
            
                -0.10 / -0.43%
             |             
            
                23.10
             |           
            
                23.20
             |               
            
                22.60
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                5.71
             |                                 
            
                378,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/21/2010
             | 
            
                -1.20 / -4.94%
             |             
            
                23.10
             |           
            
                23.30
             |               
            
                23.10
             |                           
            
                23.10
             | 
            
                23.10
             |                     
            
                5.74
             |                                 
            
                513,260
             |            
            
                 
             |                                       
         
    
        
            | 
                5/20/2010
             | 
            
                +1.00 / +4.29%
             |             
            
                22.30
             |           
            
                24.30
             |               
            
                22.30
             |                           
            
                24.30
             | 
            
                24.30
             |                     
            
                6.04
             |                                 
            
                605,760
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/19/2010
             | 
            
                -1.20 / -4.90%
             |             
            
                24.00
             |           
            
                24.30
             |               
            
                23.30
             |                           
            
                23.30
             | 
            
                23.30
             |                     
            
                5.79
             |                                 
            
                862,670
             |            
            
                 
             |                                       
         
    
        
            | 
                5/18/2010
             | 
            
                -0.60 / -2.39%
             |             
            
                25.00
             |           
            
                25.10
             |               
            
                24.20
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                6.08
             |                                 
            
                607,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/17/2010
             | 
            
                -0.80 / -3.09%
             |             
            
                25.90
             |           
            
                26.00
             |               
            
                25.10
             |                           
            
                25.10
             | 
            
                25.10
             |                     
            
                6.23
             |                                 
            
                418,160
             |            
            
                 
             |                                       
         
    
        
            | 
                5/14/2010
             | 
            
                +0.20 / +0.78%
             |             
            
                26.00
             |           
            
                26.10
             |               
            
                25.70
             |                           
            
                25.90
             | 
            
                25.90
             |                     
            
                6.43
             |                                 
            
                395,020
             |  
            
                 
             |                                                              
             
    
         
    
    
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						| 
 Market Update 
        
            
                Last updated at 3:10:02 PM
                                                                
            
            
            
            
        
        
     
 
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