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                    Closing price on 4/9/2010
                 
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             | 
         
         
 
    
        
                      
                
                    | Open | 
                    27.80 | 
                 
                
                    | High | 
                    27.90 | 
                 
                
                    | Low | 
                    27.40 | 
                     
                
                    | Volume | 
                    940,130 | 
                                 
                
                    | Split-adjusted Price | 
                    6.54 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PET Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/9/2010
             | 
            
                0.00 / 0.00%
             |             
            
                27.80
             |           
            
                27.90
             |               
            
                27.40
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                6.54
             |                                 
            
                940,130
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2010
             | 
            
                +0.90 / +3.38%
             |             
            
                26.90
             |           
            
                27.50
             |               
            
                26.80
             |                           
            
                27.50
             | 
            
                27.50
             |                     
            
                6.54
             |                                 
            
                1,496,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2010
             | 
            
                -0.10 / -0.37%
             |             
            
                26.80
             |           
            
                27.00
             |               
            
                26.30
             |                           
            
                26.60
             | 
            
                26.60
             |                     
            
                6.32
             |                                 
            
                337,390
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2010
             | 
            
                -0.30 / -1.11%
             |             
            
                27.00
             |           
            
                27.30
             |               
            
                26.70
             |                           
            
                26.70
             | 
            
                26.70
             |                     
            
                6.35
             |                                 
            
                627,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2010
             | 
            
                +0.30 / +1.12%
             |             
            
                27.00
             |           
            
                27.10
             |               
            
                26.70
             |                           
            
                27.00
             | 
            
                27.00
             |                     
            
                6.42
             |                                 
            
                597,990
             |            
            
                 
             |                                       
         
    
        
            | 
                4/2/2010
             | 
            
                +1.20 / +4.71%
             |             
            
                25.80
             |           
            
                26.70
             |               
            
                25.40
             |                           
            
                26.70
             | 
            
                26.70
             |                     
            
                6.35
             |                                 
            
                925,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2010
             | 
            
                +0.30 / +1.19%
             |             
            
                25.20
             |           
            
                25.80
             |               
            
                24.70
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                6.06
             |                                 
            
                381,060
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2010
             | 
            
                -0.10 / -0.40%
             |             
            
                25.30
             |           
            
                25.60
             |               
            
                25.10
             |                           
            
                25.20
             | 
            
                25.20
             |                     
            
                5.99
             |                                 
            
                360,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2010
             | 
            
                -0.70 / -2.69%
             |             
            
                26.00
             |           
            
                26.20
             |               
            
                25.30
             |                           
            
                25.30
             | 
            
                25.30
             |                     
            
                6.01
             |                                 
            
                301,630
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2010
             | 
            
                +0.50 / +1.96%
             |             
            
                26.00
             |           
            
                26.30
             |               
            
                25.60
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                6.18
             |                                 
            
                378,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/26/2010
             | 
            
                -0.30 / -1.16%
             |             
            
                25.80
             |           
            
                26.20
             |               
            
                25.20
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                6.06
             |                                 
            
                520,170
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2010
             | 
            
                -0.90 / -3.37%
             |             
            
                26.30
             |           
            
                26.60
             |               
            
                25.70
             |                           
            
                25.80
             | 
            
                25.80
             |                     
            
                6.13
             |                                 
            
                616,780
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/24/2010
             | 
            
                +0.60 / +2.30%
             |             
            
                26.90
             |           
            
                26.90
             |               
            
                26.10
             |                           
            
                26.70
             | 
            
                26.70
             |                     
            
                6.35
             |                                 
            
                787,530
             |            
            
                 
             |                                       
         
    
        
            | 
                3/23/2010
             | 
            
                -0.40 / -1.51%
             |             
            
                26.50
             |           
            
                26.90
             |               
            
                26.10
             |                           
            
                26.10
             | 
            
                26.10
             |                     
            
                6.20
             |                                 
            
                658,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/22/2010
             | 
            
                -0.50 / -1.85%
             |             
            
                26.90
             |           
            
                27.20
             |               
            
                26.50
             |                           
            
                26.50
             | 
            
                26.50
             |                     
            
                6.30
             |                                 
            
                477,980
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2010
             | 
            
                -0.60 / -2.17%
             |             
            
                27.60
             |           
            
                27.60
             |               
            
                26.90
             |                           
            
                27.00
             | 
            
                27.00
             |                     
            
                6.42
             |                                 
            
                711,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/18/2010
             | 
            
                +1.00 / +3.76%
             |             
            
                27.50
             |           
            
                27.60
             |               
            
                26.70
             |                           
            
                27.60
             | 
            
                27.60
             |                     
            
                6.56
             |                                 
            
                874,110
             |            
            
                 
             |                                       
         
    
        
            | 
                3/17/2010
             | 
            
                +0.60 / +2.31%
             |             
            
                26.90
             |           
            
                27.30
             |               
            
                26.20
             |                           
            
                26.60
             | 
            
                26.60
             |                     
            
                6.32
             |                                 
            
                1,340,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2010
             | 
            
                -1.30 / -4.76%
             |             
            
                26.80
             |           
            
                27.20
             |               
            
                26.00
             |                           
            
                26.00
             | 
            
                26.00
             |                     
            
                6.18
             |                                 
            
                1,100,040
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2010
             | 
            
                +0.30 / +1.11%
             |             
            
                27.50
             |           
            
                27.50
             |               
            
                26.80
             |                           
            
                27.30
             | 
            
                27.30
             |                     
            
                6.49
             |                                 
            
                1,046,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2010
             | 
            
                -0.10 / -0.37%
             |             
            
                27.20
             |           
            
                27.40
             |               
            
                26.90
             |                           
            
                27.00
             | 
            
                27.00
             |                     
            
                6.42
             |                                 
            
                743,630
             |            
            
                 
             |                                       
         
    
        
            | 
                3/11/2010
             | 
            
                -1.00 / -3.56%
             |             
            
                27.90
             |           
            
                28.10
             |               
            
                27.00
             |                           
            
                27.10
             | 
            
                27.10
             |                     
            
                6.44
             |                                 
            
                891,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/10/2010
             | 
            
                +0.10 / +0.36%
             |             
            
                28.00
             |           
            
                29.00
             |               
            
                27.30
             |                           
            
                28.10
             | 
            
                28.10
             |                     
            
                6.68
             |                                 
            
                1,059,480
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2010
             | 
            
                +1.30 / +4.87%
             |             
            
                26.50
             |           
            
                28.00
             |               
            
                26.50
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                6.65
             |                                 
            
                1,627,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2010
             | 
            
                +1.20 / +4.71%
             |             
            
                25.90
             |           
            
                26.70
             |               
            
                25.70
             |                           
            
                26.70
             | 
            
                26.70
             |                     
            
                6.35
             |                                 
            
                1,852,980
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2010
             | 
            
                -0.10 / -0.39%
             |             
            
                25.60
             |           
            
                26.10
             |               
            
                25.10
             |                           
            
                25.50
             | 
            
                25.50
             |                     
            
                6.06
             |                                 
            
                1,179,580
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/4/2010
             | 
            
                +1.20 / +4.92%
             |             
            
                25.60
             |           
            
                25.60
             |               
            
                25.30
             |                           
            
                25.60
             | 
            
                25.60
             |                     
            
                6.08
             |                                 
            
                750,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/3/2010
             | 
            
                +1.10 / +4.72%
             |             
            
                23.70
             |           
            
                24.40
             |               
            
                23.70
             |                           
            
                24.40
             | 
            
                24.40
             |                     
            
                5.80
             |                                 
            
                1,503,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2010
             | 
            
                +0.30 / +1.30%
             |             
            
                23.10
             |           
            
                23.70
             |               
            
                22.80
             |                           
            
                23.30
             | 
            
                23.30
             |                     
            
                5.54
             |                                 
            
                465,840
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2010
             | 
            
                +0.20 / +0.88%
             |             
            
                23.10
             |           
            
                23.30
             |               
            
                22.80
             |                           
            
                23.00
             | 
            
                23.00
             |                     
            
                5.47
             |                                 
            
                317,830
             |  
            
                 
             |                                                              
             
    
         
    
    
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 Market Update 
        
            
                Last updated at 1:30:00 PM
                                                                
            
            
            
            
        
        
     
 
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