| 
                 
                    Closing price on 4/16/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    32.70 | 
                 
                
                    | High | 
                    32.80 | 
                 
                
                    | Low | 
                    31.10 | 
                     
                
                    | Volume | 
                    74,310 | 
                                 
                
                    | Split-adjusted Price | 
                    9.33 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PAN Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/16/2013
             | 
            
                -0.30 / -0.91%
             |             
            
                32.70
             |           
            
                32.80
             |               
            
                31.10
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                9.33
             |                                 
            
                74,310
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                32.00
             |           
            
                32.90
             |               
            
                32.00
             |                           
            
                32.80
             | 
            
                32.80
             |                     
            
                9.42
             |                                 
            
                12,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/12/2013
             | 
            
                +0.80 / +2.50%
             |             
            
                32.00
             |           
            
                33.00
             |               
            
                31.10
             |                           
            
                32.80
             | 
            
                32.80
             |                     
            
                9.42
             |                                 
            
                15,230
             |            
            
                 
             |                                       
         
    
        
            | 
                4/11/2013
             | 
            
                0.00 / 0.00%
             |             
            
                33.00
             |           
            
                33.00
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                9.19
             |                                 
            
                6,360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2013
             | 
            
                -1.20 / -3.61%
             |             
            
                33.20
             |           
            
                33.20
             |               
            
                32.00
             |                           
            
                32.00
             | 
            
                32.00
             |                     
            
                9.19
             |                                 
            
                5,860
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2013
             | 
            
                +0.10 / +0.30%
             |             
            
                32.40
             |           
            
                33.40
             |               
            
                32.40
             |                           
            
                33.20
             | 
            
                33.20
             |                     
            
                9.53
             |                                 
            
                49,540
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2013
             | 
            
                0.00 / 0.00%
             |             
            
                33.10
             |           
            
                33.10
             |               
            
                32.00
             |                           
            
                33.10
             | 
            
                33.10
             |                     
            
                9.50
             |                                 
            
                39,210
             |            
            
                 
             |                                       
         
    
        
            | 
                4/5/2013
             | 
            
                0.00 / 0.00%
             |             
            
                33.10
             |           
            
                33.20
             |               
            
                33.00
             |                           
            
                33.10
             | 
            
                33.10
             |                     
            
                9.50
             |                                 
            
                4,110
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/4/2013
             | 
            
                +2.10 / +6.77%
             |             
            
                33.00
             |           
            
                33.10
             |               
            
                32.00
             |                           
            
                33.10
             | 
            
                33.10
             |                     
            
                9.50
             |                                 
            
                75,830
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2013
             | 
            
                +1.60 / +5.44%
             |             
            
                29.40
             |           
            
                31.20
             |               
            
                29.40
             |                           
            
                31.00
             | 
            
                31.00
             |                     
            
                8.90
             |                                 
            
                109,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2013
             | 
            
                +0.40 / +1.38%
             |             
            
                29.00
             |           
            
                29.40
             |               
            
                28.50
             |                           
            
                29.40
             | 
            
                29.40
             |                     
            
                8.44
             |                                 
            
                47,470
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2013
             | 
            
                +0.70 / +2.47%
             |             
            
                29.40
             |           
            
                29.40
             |               
            
                28.60
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                8.33
             |                                 
            
                4,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2013
             | 
            
                +0.20 / +0.71%
             |             
            
                28.60
             |           
            
                28.60
             |               
            
                28.00
             |                           
            
                28.30
             | 
            
                28.30
             |                     
            
                8.13
             |                                 
            
                236,720
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2013
             | 
            
                -0.10 / -0.35%
             |             
            
                29.00
             |           
            
                29.00
             |               
            
                27.90
             |                           
            
                28.10
             | 
            
                28.10
             |                     
            
                8.07
             |                                 
            
                12,370
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2013
             | 
            
                -0.30 / -1.05%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.00
             |                           
            
                28.20
             | 
            
                28.20
             |                     
            
                8.10
             |                                 
            
                18,560
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2013
             | 
            
                -0.40 / -1.38%
             |             
            
                28.90
             |           
            
                28.90
             |               
            
                27.60
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                8.18
             |                                 
            
                16,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2013
             | 
            
                -0.10 / -0.34%
             |             
            
                29.00
             |           
            
                29.40
             |               
            
                28.90
             |                           
            
                28.90
             | 
            
                28.90
             |                     
            
                8.30
             |                                 
            
                270,970
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2013
             | 
            
                +1.20 / +4.32%
             |             
            
                27.80
             |           
            
                29.40
             |               
            
                27.80
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                8.33
             |                                 
            
                45,710
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/21/2013
             | 
            
                +0.90 / +3.35%
             |             
            
                27.50
             |           
            
                28.20
             |               
            
                27.00
             |                           
            
                27.80
             | 
            
                27.80
             |                     
            
                7.98
             |                                 
            
                277,050
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2013
             | 
            
                +0.40 / +1.51%
             |             
            
                26.50
             |           
            
                27.00
             |               
            
                26.50
             |                           
            
                26.90
             | 
            
                26.90
             |                     
            
                7.72
             |                                 
            
                29,630
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2013
             | 
            
                +0.30 / +1.15%
             |             
            
                26.20
             |           
            
                27.00
             |               
            
                26.20
             |                           
            
                26.50
             | 
            
                26.50
             |                     
            
                7.61
             |                                 
            
                22,030
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2013
             | 
            
                +0.30 / +1.16%
             |             
            
                26.50
             |           
            
                26.50
             |               
            
                25.50
             |                           
            
                26.20
             | 
            
                26.20
             |                     
            
                7.52
             |                                 
            
                11,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                25.80
             |           
            
                27.00
             |               
            
                25.80
             |                           
            
                25.90
             | 
            
                25.90
             |                     
            
                7.44
             |                                 
            
                11,120
             |            
            
                 
             |                                       
         
    
        
            | 
                3/14/2013
             | 
            
                0.00 / 0.00%
             |             
            
                26.00
             |           
            
                26.00
             |               
            
                25.90
             |                           
            
                25.90
             | 
            
                25.90
             |                     
            
                7.44
             |                                 
            
                5,750
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2013
             | 
            
                +0.60 / +2.37%
             |             
            
                25.30
             |           
            
                25.90
             |               
            
                25.30
             |                           
            
                25.90
             | 
            
                25.90
             |                     
            
                7.44
             |                                 
            
                8,360
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2013
             | 
            
                -0.40 / -1.56%
             |             
            
                25.50
             |           
            
                25.50
             |               
            
                25.20
             |                           
            
                25.30
             | 
            
                25.30
             |                     
            
                7.26
             |                                 
            
                8,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2013
             | 
            
                -0.10 / -0.39%
             |             
            
                25.50
             |           
            
                25.80
             |               
            
                25.20
             |                           
            
                25.70
             | 
            
                25.70
             |                     
            
                7.38
             |                                 
            
                9,860
             |            
            
                 
             |                                       
         
    
        
            | 
                3/8/2013
             | 
            
                +0.80 / +3.20%
             |             
            
                25.00
             |           
            
                25.80
             |               
            
                25.00
             |                           
            
                25.80
             | 
            
                25.80
             |                     
            
                7.41
             |                                 
            
                11,950
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/7/2013
             | 
            
                0.00 / 0.00%
             |             
            
                24.60
             |           
            
                25.40
             |               
            
                24.60
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                7.18
             |                                 
            
                8,610
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2013
             | 
            
                0.00 / 0.00%
             |             
            
                25.00
             |           
            
                25.50
             |               
            
                25.00
             |                           
            
                25.00
             | 
            
                25.00
             |                     
            
                7.18
             |                                 
            
                13,100
             |  
            
                 
             |                                                              
             
    
         
    
    
 |