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            | 
                 
                    Closing price on 10/21/2009
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    32.50 | 
                 
                
                    | High | 
                    33.30 | 
                 
                
                    | Low | 
                    32.20 | 
                     
                
                    | Volume | 
                    1,386,230 | 
                                 
                
                    | Split-adjusted Price | 
                    7.89 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PET Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/21/2009
             | 
            
                +0.60 / +1.84%
             |             
            
                32.50
             |           
            
                33.30
             |               
            
                32.20
             |                           
            
                33.20
             | 
            
                33.20
             |                     
            
                7.89
             |                                 
            
                1,386,230
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2009
             | 
            
                +0.80 / +2.52%
             |             
            
                32.00
             |           
            
                32.70
             |               
            
                31.80
             |                           
            
                32.60
             | 
            
                32.60
             |                     
            
                7.75
             |                                 
            
                1,224,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2009
             | 
            
                -0.70 / -2.15%
             |             
            
                32.00
             |           
            
                32.60
             |               
            
                31.80
             |                           
            
                31.80
             | 
            
                31.80
             |                     
            
                7.56
             |                                 
            
                603,220
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2009
             | 
            
                0.00 / 0.00%
             |             
            
                32.00
             |           
            
                33.50
             |               
            
                31.80
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                7.72
             |                                 
            
                1,739,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2009
             | 
            
                +1.50 / +4.84%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                31.90
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                7.72
             |                                 
            
                1,424,330
             |            
            
                 
             |                                       
         
    
        
            | 
                10/14/2009
             | 
            
                +0.70 / +2.31%
             |             
            
                30.30
             |           
            
                31.00
             |               
            
                30.00
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                7.37
             |                                 
            
                940,840
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/13/2009
             | 
            
                -1.40 / -4.42%
             |             
            
                30.70
             |           
            
                31.70
             |               
            
                30.30
             |                           
            
                30.30
             | 
            
                30.30
             |                     
            
                7.20
             |                                 
            
                1,027,800
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2009
             | 
            
                +1.40 / +4.62%
             |             
            
                30.60
             |           
            
                31.80
             |               
            
                30.20
             |                           
            
                31.70
             | 
            
                31.70
             |                     
            
                7.53
             |                                 
            
                1,655,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2009
             | 
            
                -0.50 / -1.62%
             |             
            
                31.00
             |           
            
                31.00
             |               
            
                30.20
             |                           
            
                30.30
             | 
            
                30.30
             |                     
            
                7.20
             |                                 
            
                848,960
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2009
             | 
            
                -0.10 / -0.32%
             |             
            
                30.70
             |           
            
                31.40
             |               
            
                29.80
             |                           
            
                30.80
             | 
            
                30.80
             |                     
            
                7.32
             |                                 
            
                738,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/7/2009
             | 
            
                +1.40 / +4.75%
             |             
            
                30.10
             |           
            
                30.90
             |               
            
                29.80
             |                           
            
                30.90
             | 
            
                30.90
             |                     
            
                7.34
             |                                 
            
                637,760
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2009
             | 
            
                +0.50 / +1.72%
             |             
            
                29.00
             |           
            
                29.60
             |               
            
                28.50
             |                           
            
                29.50
             | 
            
                29.50
             |                     
            
                7.01
             |                                 
            
                856,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2009
             | 
            
                -0.40 / -1.36%
             |             
            
                29.80
             |           
            
                30.00
             |               
            
                28.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                6.89
             |                                 
            
                873,830
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2009
             | 
            
                -1.50 / -4.85%
             |             
            
                29.40
             |           
            
                29.70
             |               
            
                29.40
             |                           
            
                29.40
             | 
            
                29.40
             |                     
            
                6.99
             |                                 
            
                850,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2009
             | 
            
                -1.60 / -4.92%
             |             
            
                31.30
             |           
            
                32.00
             |               
            
                30.90
             |                           
            
                30.90
             | 
            
                30.90
             |                     
            
                7.34
             |                                 
            
                1,242,440
             |            
            
                 
             |                                       
         
    
        
            | 
                9/30/2009
             | 
            
                -1.70 / -4.97%
             |             
            
                32.50
             |           
            
                33.90
             |               
            
                32.50
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                7.72
             |                                 
            
                1,473,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/29/2009
             | 
            
                +1.60 / +4.91%
             |             
            
                34.10
             |           
            
                34.20
             |               
            
                33.20
             |                           
            
                34.20
             | 
            
                34.20
             |                     
            
                8.13
             |                                 
            
                1,547,840
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2009
             | 
            
                +1.50 / +4.82%
             |             
            
                32.60
             |           
            
                32.60
             |               
            
                32.20
             |                           
            
                32.60
             | 
            
                32.60
             |                     
            
                7.75
             |                                 
            
                2,527,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2009
             | 
            
                +0.70 / +2.30%
             |             
            
                30.40
             |           
            
                31.50
             |               
            
                30.20
             |                           
            
                31.10
             | 
            
                31.10
             |                     
            
                7.39
             |                                 
            
                1,907,270
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2009
             | 
            
                +1.40 / +4.83%
             |             
            
                30.40
             |           
            
                30.40
             |               
            
                29.70
             |                           
            
                30.40
             | 
            
                30.40
             |                     
            
                7.22
             |                                 
            
                2,309,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2009
             | 
            
                +1.30 / +4.69%
             |             
            
                28.70
             |           
            
                29.00
             |               
            
                28.60
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                6.89
             |                                 
            
                1,300,310
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2009
             | 
            
                +0.10 / +0.36%
             |             
            
                27.30
             |           
            
                27.70
             |               
            
                27.20
             |                           
            
                27.70
             | 
            
                27.70
             |                     
            
                6.58
             |                                 
            
                703,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2009
             | 
            
                -0.20 / -0.72%
             |             
            
                27.80
             |           
            
                28.40
             |               
            
                27.60
             |                           
            
                27.60
             | 
            
                27.60
             |                     
            
                6.56
             |                                 
            
                565,190
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2009
             | 
            
                -0.10 / -0.36%
             |             
            
                27.80
             |           
            
                28.00
             |               
            
                27.50
             |                           
            
                27.80
             | 
            
                27.80
             |                     
            
                6.61
             |                                 
            
                394,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2009
             | 
            
                -0.10 / -0.36%
             |             
            
                28.10
             |           
            
                28.30
             |               
            
                27.50
             |                           
            
                27.90
             | 
            
                27.90
             |                     
            
                6.63
             |                                 
            
                303,730
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2009
             | 
            
                +0.50 / +1.82%
             |             
            
                27.50
             |           
            
                28.80
             |               
            
                27.30
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                6.65
             |                                 
            
                923,330
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2009
             | 
            
                -0.40 / -1.43%
             |             
            
                27.90
             |           
            
                28.00
             |               
            
                27.10
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                6.54
             |                                 
            
                492,260
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2009
             | 
            
                -0.10 / -0.36%
             |             
            
                28.00
             |           
            
                28.40
             |               
            
                27.80
             |                           
            
                27.90
             | 
            
                27.90
             |                     
            
                6.63
             |                                 
            
                473,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/11/2009
             | 
            
                -0.20 / -0.71%
             |             
            
                28.30
             |           
            
                28.40
             |               
            
                28.00
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                6.65
             |                                 
            
                694,380
             |            
            
                 
             |                                       
         
    
        
            | 
                9/10/2009
             | 
            
                -0.40 / -1.40%
             |             
            
                28.60
             |           
            
                28.60
             |               
            
                27.70
             |                           
            
                28.20
             | 
            
                28.20
             |                     
            
                6.70
             |                                 
            
                389,060
             |  
            
                 
             |                                                              
             
    
         
    
    
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						| 
 Market Update 
        
            
                Last updated at 10:59:59 AM
                                                                
            
            
            
            
        
        
     
 
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