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            | 
                 
                    Closing price on 6/9/2009
                 
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             | 
         
         
 
    
        
                      
                
                    | Open | 
                    27.00 | 
                 
                
                    | High | 
                    27.20 | 
                 
                
                    | Low | 
                    26.00 | 
                     
                
                    | Volume | 
                    1,224,830 | 
                                 
                
                    | Split-adjusted Price | 
                    6.39 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PET Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/9/2009
             | 
            
                0.00 / 0.00%
             |             
            
                27.00
             |           
            
                27.20
             |               
            
                26.00
             |                           
            
                26.90
             | 
            
                26.90
             |                     
            
                6.39
             |                                 
            
                1,224,830
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2009
             | 
            
                +1.20 / +4.67%
             |             
            
                26.90
             |           
            
                26.90
             |               
            
                26.50
             |                           
            
                26.90
             | 
            
                26.90
             |                     
            
                6.39
             |                                 
            
                762,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2009
             | 
            
                +1.20 / +4.90%
             |             
            
                25.70
             |           
            
                25.70
             |               
            
                25.50
             |                           
            
                25.70
             | 
            
                25.70
             |                     
            
                6.11
             |                                 
            
                754,830
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2009
             | 
            
                +1.10 / +4.70%
             |             
            
                24.50
             |           
            
                24.50
             |               
            
                24.00
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                5.82
             |                                 
            
                1,241,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2009
             | 
            
                +1.10 / +4.93%
             |             
            
                23.40
             |           
            
                23.40
             |               
            
                23.40
             |                           
            
                23.40
             | 
            
                23.40
             |                     
            
                5.56
             |                                 
            
                408,340
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2009
             | 
            
                +1.00 / +4.69%
             |             
            
                22.30
             |           
            
                22.30
             |               
            
                22.30
             |                           
            
                22.30
             | 
            
                22.30
             |                     
            
                5.30
             |                                 
            
                42,730
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2009
             | 
            
                +1.00 / +4.93%
             |             
            
                21.20
             |           
            
                21.30
             |               
            
                21.00
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                5.06
             |                                 
            
                260,880
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2009
             | 
            
                -0.60 / -2.87%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                19.90
             |                           
            
                20.30
             | 
            
                20.30
             |                     
            
                4.82
             |                                 
            
                682,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2009
             | 
            
                -1.00 / -4.57%
             |             
            
                20.90
             |           
            
                21.30
             |               
            
                20.90
             |                           
            
                20.90
             | 
            
                20.90
             |                     
            
                4.97
             |                                 
            
                341,970
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2009
             | 
            
                -0.20 / -0.90%
             |             
            
                23.00
             |           
            
                23.00
             |               
            
                21.70
             |                           
            
                21.90
             | 
            
                21.90
             |                     
            
                5.20
             |                                 
            
                862,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2009
             | 
            
                -0.40 / -1.78%
             |             
            
                23.30
             |           
            
                23.30
             |               
            
                21.50
             |                           
            
                22.10
             | 
            
                22.10
             |                     
            
                5.25
             |                                 
            
                1,035,040
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2009
             | 
            
                +0.90 / +4.17%
             |             
            
                21.90
             |           
            
                22.60
             |               
            
                21.50
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                5.35
             |                                 
            
                859,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2009
             | 
            
                -1.10 / -4.85%
             |             
            
                21.60
             |           
            
                22.00
             |               
            
                21.60
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                5.13
             |                                 
            
                413,440
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2009
             | 
            
                +1.00 / +4.61%
             |             
            
                22.70
             |           
            
                22.70
             |               
            
                22.50
             |                           
            
                22.70
             | 
            
                22.70
             |                     
            
                5.39
             |                                 
            
                556,550
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2009
             | 
            
                +1.00 / +4.83%
             |             
            
                21.70
             |           
            
                21.70
             |               
            
                21.70
             |                           
            
                21.70
             | 
            
                21.70
             |                     
            
                5.16
             |                                 
            
                151,240
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2009
             | 
            
                +0.90 / +4.55%
             |             
            
                20.70
             |           
            
                20.70
             |               
            
                20.70
             |                           
            
                20.70
             | 
            
                20.70
             |                     
            
                4.92
             |                                 
            
                388,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2009
             | 
            
                +0.90 / +4.76%
             |             
            
                18.90
             |           
            
                19.80
             |               
            
                18.80
             |                           
            
                19.80
             | 
            
                19.80
             |                     
            
                4.71
             |                                 
            
                891,730
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2009
             | 
            
                +0.90 / +5.00%
             |             
            
                18.30
             |           
            
                18.90
             |               
            
                18.20
             |                           
            
                18.90
             | 
            
                18.90
             |                     
            
                4.49
             |                                 
            
                587,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2009
             | 
            
                +0.40 / +2.27%
             |             
            
                17.60
             |           
            
                18.00
             |               
            
                17.60
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                4.28
             |                                 
            
                276,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2009
             | 
            
                -0.60 / -3.30%
             |             
            
                18.20
             |           
            
                19.00
             |               
            
                17.60
             |                           
            
                17.60
             | 
            
                17.60
             |                     
            
                4.18
             |                                 
            
                417,420
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2009
             | 
            
                +0.80 / +4.60%
             |             
            
                17.00
             |           
            
                18.20
             |               
            
                17.00
             |                           
            
                18.20
             | 
            
                18.20
             |                     
            
                4.33
             |                                 
            
                506,410
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2009
             | 
            
                +0.40 / +2.35%
             |             
            
                17.50
             |           
            
                17.50
             |               
            
                17.00
             |                           
            
                17.40
             | 
            
                17.40
             |                     
            
                4.14
             |                                 
            
                372,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2009
             | 
            
                0.00 / 0.00%
             |             
            
                17.00
             |           
            
                17.60
             |               
            
                17.00
             |                           
            
                17.00
             | 
            
                17.00
             |                     
            
                4.04
             |                                 
            
                266,340
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2009
             | 
            
                -0.10 / -0.58%
             |             
            
                17.50
             |           
            
                17.50
             |               
            
                17.00
             |                           
            
                17.00
             | 
            
                17.00
             |                     
            
                4.04
             |                                 
            
                326,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2009
             | 
            
                -1.40 / -7.57%
             |             
            
                17.00
             |           
            
                17.50
             |               
            
                16.70
             |                           
            
                17.10
             | 
            
                17.14
             |                     
            
                4.06
             |                                 
            
                192,070
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2009
             | 
            
                +0.80 / +4.52%
             |             
            
                18.50
             |           
            
                18.50
             |               
            
                18.50
             |                           
            
                18.50
             | 
            
                18.50
             |                     
            
                4.16
             |                                 
            
                343,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2009
             | 
            
                +0.80 / +4.73%
             |             
            
                17.70
             |           
            
                17.70
             |               
            
                17.70
             |                           
            
                17.70
             | 
            
                17.70
             |                     
            
                3.98
             |                                 
            
                86,140
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2009
             | 
            
                +0.30 / +1.81%
             |             
            
                16.60
             |           
            
                16.90
             |               
            
                16.30
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                3.80
             |                                 
            
                160,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2009
             | 
            
                +0.70 / +4.40%
             |             
            
                16.60
             |           
            
                16.60
             |               
            
                15.90
             |                           
            
                16.60
             | 
            
                16.60
             |                     
            
                3.73
             |                                 
            
                283,740
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2009
             | 
            
                +0.70 / +4.61%
             |             
            
                15.90
             |           
            
                15.90
             |               
            
                15.90
             |                           
            
                15.90
             | 
            
                15.90
             |                     
            
                3.57
             |                                 
            
                18,620
             |  
            
                 
             |                                                              
             
    
         
    
    
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						| 
 Market Update 
        
            
                Last updated at 3:10:02 PM
                                                                
            
            
            
            
        
        
     
 
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