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                    Closing price on 7/29/2010
                 
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                    | Open | 
                    23.00 | 
                 
                
                    | High | 
                    23.50 | 
                 
                
                    | Low | 
                    22.90 | 
                     
                
                    | Volume | 
                    346,570 | 
                                 
                
                    | Split-adjusted Price | 
                    5.74 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
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PET Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                7/29/2010
             | 
            
                +0.10 / +0.43%
             |             
            
                23.00
             |           
            
                23.50
             |               
            
                22.90
             |                           
            
                23.10
             | 
            
                23.10
             |                     
            
                5.74
             |                                 
            
                346,570
             |            
            
                 
             |                                       
         
    
        
            | 
                7/28/2010
             | 
            
                -0.80 / -3.36%
             |             
            
                23.80
             |           
            
                23.90
             |               
            
                22.70
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                5.71
             |                                 
            
                413,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2010
             | 
            
                -0.20 / -0.83%
             |             
            
                24.00
             |           
            
                24.20
             |               
            
                23.70
             |                           
            
                23.80
             | 
            
                23.80
             |                     
            
                5.91
             |                                 
            
                296,160
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2010
             | 
            
                +0.30 / +1.27%
             |             
            
                24.00
             |           
            
                24.20
             |               
            
                23.80
             |                           
            
                24.00
             | 
            
                24.00
             |                     
            
                5.96
             |                                 
            
                622,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2010
             | 
            
                -0.20 / -0.84%
             |             
            
                24.20
             |           
            
                24.30
             |               
            
                23.70
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                5.89
             |                                 
            
                516,720
             |            
            
                 
             |                                       
         
    
        
            | 
                7/22/2010
             | 
            
                -0.30 / -1.24%
             |             
            
                24.10
             |           
            
                24.20
             |               
            
                23.80
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                5.94
             |                                 
            
                562,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/21/2010
             | 
            
                -0.40 / -1.63%
             |             
            
                24.60
             |           
            
                24.80
             |               
            
                24.20
             |                           
            
                24.20
             | 
            
                24.20
             |                     
            
                6.01
             |                                 
            
                411,180
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2010
             | 
            
                -0.30 / -1.20%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                24.60
             |                           
            
                24.60
             | 
            
                24.60
             |                     
            
                6.11
             |                                 
            
                576,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/19/2010
             | 
            
                +0.20 / +0.81%
             |             
            
                24.80
             |           
            
                25.10
             |               
            
                24.60
             |                           
            
                24.90
             | 
            
                24.90
             |                     
            
                6.18
             |                                 
            
                593,260
             |            
            
                 
             |                                       
         
    
        
            | 
                7/16/2010
             | 
            
                -0.10 / -0.40%
             |             
            
                24.90
             |           
            
                25.00
             |               
            
                24.70
             |                           
            
                24.70
             | 
            
                24.70
             |                     
            
                6.13
             |                                 
            
                310,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/15/2010
             | 
            
                -0.20 / -0.80%
             |             
            
                25.00
             |           
            
                25.30
             |               
            
                24.80
             |                           
            
                24.80
             | 
            
                24.80
             |                     
            
                6.16
             |                                 
            
                316,870
             |            
            
                 
             |                                       
         
    
        
            | 
                7/14/2010
             | 
            
                -0.50 / -1.96%
             |             
            
                26.00
             |           
            
                26.00
             |               
            
                25.00
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                6.21
             |                                 
            
                508,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/13/2010
             | 
            
                +1.20 / +4.94%
             |             
            
                24.90
             |           
            
                25.50
             |               
            
                24.50
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                6.33
             |                                 
            
                1,308,270
             |            
            
                 
             |                                       
         
    
        
            | 
                7/12/2010
             | 
            
                +0.40 / +1.67%
             |             
            
                24.00
             |           
            
                24.40
             |               
            
                23.80
             |                           
            
                24.30
             | 
            
                24.30
             |                     
            
                6.04
             |                                 
            
                218,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/9/2010
             | 
            
                +0.20 / +0.84%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                23.70
             |                           
            
                23.90
             | 
            
                23.90
             |                     
            
                5.94
             |                                 
            
                379,550
             |            
            
                 
             |                                       
         
    
        
            | 
                7/8/2010
             | 
            
                0.00 / 0.00%
             |             
            
                24.00
             |           
            
                24.40
             |               
            
                23.50
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                5.89
             |                                 
            
                520,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/7/2010
             | 
            
                0.00 / 0.00%
             |             
            
                24.00
             |           
            
                24.30
             |               
            
                23.60
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                5.89
             |                                 
            
                337,220
             |            
            
                 
             |                                       
         
    
        
            | 
                7/6/2010
             | 
            
                -0.70 / -2.87%
             |             
            
                24.30
             |           
            
                24.30
             |               
            
                23.70
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                5.89
             |                                 
            
                710,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/5/2010
             | 
            
                -0.10 / -0.41%
             |             
            
                25.00
             |           
            
                25.00
             |               
            
                24.40
             |                           
            
                24.40
             | 
            
                24.40
             |                     
            
                6.06
             |                                 
            
                216,800
             |            
            
                 
             |                                       
         
    
        
            | 
                7/2/2010
             | 
            
                -0.20 / -0.81%
             |             
            
                24.70
             |           
            
                24.90
             |               
            
                24.30
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                6.08
             |                                 
            
                488,970
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/1/2010
             | 
            
                -0.90 / -3.52%
             |             
            
                25.10
             |           
            
                25.20
             |               
            
                24.70
             |                           
            
                24.70
             | 
            
                24.70
             |                     
            
                6.13
             |                                 
            
                262,700
             |            
            
                 
             |                                       
         
    
        
            | 
                6/30/2010
             | 
            
                -0.10 / -0.39%
             |             
            
                25.00
             |           
            
                25.60
             |               
            
                24.60
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                6.36
             |                                 
            
                709,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/29/2010
             | 
            
                +0.20 / +0.78%
             |             
            
                25.80
             |           
            
                26.00
             |               
            
                25.30
             |                           
            
                25.70
             | 
            
                25.70
             |                     
            
                6.38
             |                                 
            
                479,610
             |            
            
                 
             |                                       
         
    
        
            | 
                6/28/2010
             | 
            
                +0.20 / +0.79%
             |             
            
                25.20
             |           
            
                25.50
             |               
            
                24.50
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                6.33
             |                                 
            
                682,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/25/2010
             | 
            
                -1.30 / -4.89%
             |             
            
                26.00
             |           
            
                26.50
             |               
            
                25.30
             |                           
            
                25.30
             | 
            
                25.30
             |                     
            
                6.28
             |                                 
            
                901,030
             |            
            
                 
             |                                       
         
    
        
            | 
                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
             |  
            
                 
             |                                                              
             
    
         
    
    
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						| 
 Market Update 
        
            
                Last updated at 3:10:02 PM
                                                                
            
            
            
            
        
        
     
 
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