| 
                 
                    Closing price on 2/12/2014
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    23.40 | 
                 
                
                    | High | 
                    23.90 | 
                 
                
                    | Low | 
                    23.20 | 
                     
                
                    | Volume | 
                    1,442,050 | 
                                 
                
                    | Split-adjusted Price | 
                    8.57 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PET Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                2/12/2014
             | 
            
                +0.70 / +3.07%
             |             
            
                23.40
             |           
            
                23.90
             |               
            
                23.20
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                8.57
             |                                 
            
                1,442,050
             |            
            
                 
             |                                       
         
    
        
            | 
                2/11/2014
             | 
            
                +0.70 / +3.17%
             |             
            
                22.40
             |           
            
                23.60
             |               
            
                22.40
             |                           
            
                22.80
             | 
            
                22.80
             |                     
            
                8.31
             |                                 
            
                4,592,910
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/10/2014
             | 
            
                +0.40 / +1.84%
             |             
            
                21.80
             |           
            
                22.10
             |               
            
                21.60
             |                           
            
                22.10
             | 
            
                22.10
             |                     
            
                8.06
             |                                 
            
                849,030
             |            
            
                 
             |                                       
         
    
        
            | 
                2/7/2014
             | 
            
                0.00 / 0.00%
             |             
            
                21.90
             |           
            
                22.00
             |               
            
                21.60
             |                           
            
                21.70
             | 
            
                21.70
             |                     
            
                7.91
             |                                 
            
                681,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/6/2014
             | 
            
                0.00 / 0.00%
             |             
            
                21.50
             |           
            
                21.80
             |               
            
                21.50
             |                           
            
                21.70
             | 
            
                21.70
             |                     
            
                7.91
             |                                 
            
                240,790
             |            
            
                 
             |                                       
         
    
        
            | 
                1/27/2014
             | 
            
                0.00 / 0.00%
             |             
            
                21.80
             |           
            
                21.80
             |               
            
                21.40
             |                           
            
                21.70
             | 
            
                21.70
             |                     
            
                7.91
             |                                 
            
                324,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/24/2014
             | 
            
                0.00 / 0.00%
             |             
            
                21.90
             |           
            
                21.90
             |               
            
                21.60
             |                           
            
                21.70
             | 
            
                21.70
             |                     
            
                7.91
             |                                 
            
                372,850
             |            
            
                 
             |                                       
         
    
        
            | 
                1/23/2014
             | 
            
                +0.20 / +0.93%
             |             
            
                21.60
             |           
            
                21.80
             |               
            
                21.50
             |                           
            
                21.70
             | 
            
                21.70
             |                     
            
                7.91
             |                                 
            
                136,290
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2014
             | 
            
                0.00 / 0.00%
             |             
            
                21.60
             |           
            
                22.10
             |               
            
                21.50
             |                           
            
                21.50
             | 
            
                21.50
             |                     
            
                7.84
             |                                 
            
                729,200
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2014
             | 
            
                0.00 / 0.00%
             |             
            
                21.60
             |           
            
                21.60
             |               
            
                21.40
             |                           
            
                21.50
             | 
            
                21.50
             |                     
            
                7.84
             |                                 
            
                417,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2014
             | 
            
                -0.10 / -0.46%
             |             
            
                21.80
             |           
            
                21.80
             |               
            
                21.30
             |                           
            
                21.50
             | 
            
                21.50
             |                     
            
                7.84
             |                                 
            
                514,750
             |            
            
                 
             |                                       
         
    
        
            | 
                1/17/2014
             | 
            
                +0.10 / +0.47%
             |             
            
                21.70
             |           
            
                21.90
             |               
            
                21.50
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                7.87
             |                                 
            
                915,980
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/16/2014
             | 
            
                -0.10 / -0.46%
             |             
            
                21.60
             |           
            
                21.70
             |               
            
                21.20
             |                           
            
                21.50
             | 
            
                21.50
             |                     
            
                7.84
             |                                 
            
                869,640
             |            
            
                 
             |                                       
         
    
        
            | 
                1/15/2014
             | 
            
                -0.30 / -1.37%
             |             
            
                21.80
             |           
            
                22.00
             |               
            
                21.60
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                7.87
             |                                 
            
                872,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/14/2014
             | 
            
                0.00 / 0.00%
             |             
            
                21.80
             |           
            
                22.10
             |               
            
                21.80
             |                           
            
                21.90
             | 
            
                21.90
             |                     
            
                7.98
             |                                 
            
                1,302,640
             |            
            
                 
             |                                       
         
    
        
            | 
                1/13/2014
             | 
            
                0.00 / 0.00%
             |             
            
                21.90
             |           
            
                22.30
             |               
            
                21.90
             |                           
            
                21.90
             | 
            
                21.90
             |                     
            
                7.98
             |                                 
            
                1,050,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/10/2014
             | 
            
                +0.10 / +0.46%
             |             
            
                22.20
             |           
            
                22.70
             |               
            
                21.90
             |                           
            
                21.90
             | 
            
                21.90
             |                     
            
                7.98
             |                                 
            
                1,727,470
             |            
            
                 
             |                                       
         
    
        
            | 
                1/9/2014
             | 
            
                +0.30 / +1.40%
             |             
            
                21.60
             |           
            
                21.80
             |               
            
                21.60
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                7.95
             |                                 
            
                991,090
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/8/2014
             | 
            
                +0.70 / +3.37%
             |             
            
                20.70
             |           
            
                21.50
             |               
            
                20.70
             |                           
            
                21.50
             | 
            
                21.50
             |                     
            
                7.84
             |                                 
            
                931,080
             |            
            
                 
             |                                       
         
    
        
            | 
                1/7/2014
             | 
            
                -0.20 / -0.95%
             |             
            
                21.00
             |           
            
                21.30
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                7.58
             |                                 
            
                398,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/6/2014
             | 
            
                +0.60 / +2.94%
             |             
            
                20.50
             |           
            
                21.00
             |               
            
                20.40
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                7.66
             |                                 
            
                362,520
             |            
            
                 
             |                                       
         
    
        
            | 
                1/3/2014
             | 
            
                -0.20 / -0.97%
             |             
            
                20.50
             |           
            
                20.60
             |               
            
                20.40
             |                           
            
                20.40
             | 
            
                20.40
             |                     
            
                7.44
             |                                 
            
                123,170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/2/2014
             | 
            
                -0.20 / -0.96%
             |             
            
                20.80
             |           
            
                21.00
             |               
            
                20.50
             |                           
            
                20.60
             | 
            
                20.60
             |                     
            
                7.51
             |                                 
            
                239,120
             |            
            
                 
             |                                       
         
    
        
            | 
                12/31/2013
             | 
            
                +0.50 / +2.46%
             |             
            
                20.30
             |           
            
                20.80
             |               
            
                20.30
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                7.58
             |                                 
            
                292,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/30/2013
             | 
            
                -0.70 / -3.33%
             |             
            
                21.00
             |           
            
                21.00
             |               
            
                20.20
             |                           
            
                20.30
             | 
            
                20.30
             |                     
            
                7.40
             |                                 
            
                609,990
             |            
            
                 
             |                                       
         
    
        
            | 
                12/27/2013
             | 
            
                -0.10 / -0.47%
             |             
            
                21.20
             |           
            
                21.30
             |               
            
                21.00
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                7.66
             |                                 
            
                312,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/26/2013
             | 
            
                -0.20 / -0.94%
             |             
            
                21.30
             |           
            
                21.40
             |               
            
                21.10
             |                           
            
                21.10
             | 
            
                21.10
             |                     
            
                7.69
             |                                 
            
                527,460
             |            
            
                 
             |                                       
         
    
        
            | 
                12/25/2013
             | 
            
                -0.20 / -0.93%
             |             
            
                21.60
             |           
            
                21.60
             |               
            
                21.30
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                7.76
             |                                 
            
                240,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                12/24/2013
             | 
            
                +0.10 / +0.47%
             |             
            
                21.40
             |           
            
                21.60
             |               
            
                21.30
             |                           
            
                21.50
             | 
            
                21.50
             |                     
            
                7.84
             |                                 
            
                446,960
             |            
            
                 
             |                                       
         
    
        
            | 
                12/23/2013
             | 
            
                -0.10 / -0.47%
             |             
            
                21.50
             |           
            
                21.50
             |               
            
                21.30
             |                           
            
                21.40
             | 
            
                21.40
             |                     
            
                7.80
             |                                 
            
                444,810
             |  
            
                 
             |                                                              
             
    
         
    
    
 |