| 
                 
                    Closing price on 10/21/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    29.20 | 
                 
                
                    | High | 
                    29.20 | 
                 
                
                    | Low | 
                    29.00 | 
                     
                
                    | Volume | 
                    55,740 | 
                                 
                
                    | Split-adjusted Price | 
                    3.96 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PAC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/21/2011
             | 
            
                -0.20 / -0.68%
             |             
            
                29.20
             |           
            
                29.20
             |               
            
                29.00
             |                           
            
                29.00
             | 
            
                29.00
             |                     
            
                3.96
             |                                 
            
                55,740
             |            
            
                 
             |                                       
         
    
        
            | 
                10/20/2011
             | 
            
                0.00 / 0.00%
             |             
            
                29.00
             |           
            
                29.20
             |               
            
                29.00
             |                           
            
                29.20
             | 
            
                29.20
             |                     
            
                3.99
             |                                 
            
                67,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2011
             | 
            
                +0.70 / +2.46%
             |             
            
                28.30
             |           
            
                29.20
             |               
            
                28.00
             |                           
            
                29.20
             | 
            
                29.20
             |                     
            
                3.99
             |                                 
            
                38,260
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2011
             | 
            
                0.00 / 0.00%
             |             
            
                28.50
             |           
            
                28.50
             |               
            
                28.50
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                3.89
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/17/2011
             | 
            
                -0.10 / -0.35%
             |             
            
                28.20
             |           
            
                28.50
             |               
            
                28.20
             |                           
            
                28.50
             | 
            
                28.50
             |                     
            
                3.89
             |                                 
            
                372,182
             |            
            
                 
             |                                       
         
    
        
            | 
                10/14/2011
             | 
            
                0.00 / 0.00%
             |             
            
                28.00
             |           
            
                28.60
             |               
            
                28.00
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                3.90
             |                                 
            
                440
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/13/2011
             | 
            
                0.00 / 0.00%
             |             
            
                28.60
             |           
            
                28.60
             |               
            
                28.60
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                3.90
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2011
             | 
            
                0.00 / 0.00%
             |             
            
                28.60
             |           
            
                28.60
             |               
            
                28.60
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                3.90
             |                                 
            
                3,220
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2011
             | 
            
                -0.10 / -0.35%
             |             
            
                28.20
             |           
            
                29.00
             |               
            
                28.20
             |                           
            
                28.60
             | 
            
                28.60
             |                     
            
                3.90
             |                                 
            
                1,020
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2011
             | 
            
                -0.70 / -2.38%
             |             
            
                29.00
             |           
            
                29.00
             |               
            
                28.50
             |                           
            
                28.70
             | 
            
                28.70
             |                     
            
                3.92
             |                                 
            
                1,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/7/2011
             | 
            
                +1.40 / +5.00%
             |             
            
                29.40
             |           
            
                29.40
             |               
            
                28.50
             |                           
            
                29.40
             | 
            
                29.40
             |                     
            
                4.01
             |                                 
            
                9,910
             |            
            
                 
             |                                       
         
    
        
            | 
                10/6/2011
             | 
            
                +0.20 / +0.72%
             |             
            
                27.80
             |           
            
                28.00
             |               
            
                27.50
             |                           
            
                28.00
             | 
            
                28.00
             |                     
            
                3.82
             |                                 
            
                4,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2011
             | 
            
                0.00 / 0.00%
             |             
            
                27.80
             |           
            
                27.80
             |               
            
                27.50
             |                           
            
                27.80
             | 
            
                27.80
             |                     
            
                3.80
             |                                 
            
                4,890
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2011
             | 
            
                -1.40 / -4.79%
             |             
            
                28.00
             |           
            
                28.10
             |               
            
                27.80
             |                           
            
                27.80
             | 
            
                27.80
             |                     
            
                3.80
             |                                 
            
                8,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2011
             | 
            
                -0.60 / -2.01%
             |             
            
                29.50
             |           
            
                29.50
             |               
            
                29.20
             |                           
            
                29.20
             | 
            
                29.20
             |                     
            
                3.99
             |                                 
            
                950
             |            
            
                 
             |                                       
         
    
        
            | 
                9/30/2011
             | 
            
                -0.80 / -2.61%
             |             
            
                30.90
             |           
            
                30.90
             |               
            
                29.20
             |                           
            
                29.80
             | 
            
                29.80
             |                     
            
                4.07
             |                                 
            
                890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/29/2011
             | 
            
                -1.60 / -4.97%
             |             
            
                32.00
             |           
            
                32.00
             |               
            
                30.60
             |                           
            
                30.60
             | 
            
                30.60
             |                     
            
                4.18
             |                                 
            
                120
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2011
             | 
            
                +0.30 / +0.94%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                32.20
             |                           
            
                32.20
             | 
            
                32.20
             |                     
            
                4.40
             |                                 
            
                130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2011
             | 
            
                -0.60 / -1.85%
             |             
            
                32.00
             |           
            
                33.50
             |               
            
                31.90
             |                           
            
                31.90
             | 
            
                31.90
             |                     
            
                4.36
             |                                 
            
                1,020
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2011
             | 
            
                -1.00 / -2.99%
             |             
            
                32.50
             |           
            
                32.50
             |               
            
                32.50
             |                           
            
                32.50
             | 
            
                32.50
             |                     
            
                4.44
             |                                 
            
                1,510
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/23/2011
             | 
            
                -1.20 / -3.46%
             |             
            
                34.70
             |           
            
                34.70
             |               
            
                33.00
             |                           
            
                33.50
             | 
            
                33.50
             |                     
            
                4.57
             |                                 
            
                2,160
             |            
            
                 
             |                                       
         
    
        
            | 
                9/22/2011
             | 
            
                -0.10 / -0.29%
             |             
            
                34.70
             |           
            
                34.70
             |               
            
                34.70
             |                           
            
                34.70
             | 
            
                34.70
             |                     
            
                4.74
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2011
             | 
            
                -0.20 / -0.57%
             |             
            
                34.90
             |           
            
                34.90
             |               
            
                34.80
             |                           
            
                34.80
             | 
            
                34.80
             |                     
            
                4.75
             |                                 
            
                1,210
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2011
             | 
            
                0.00 / 0.00%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                4.78
             |                                 
            
                40
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2011
             | 
            
                0.00 / 0.00%
             |             
            
                33.30
             |           
            
                35.00
             |               
            
                33.30
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                4.78
             |                                 
            
                1,810
             |            
            
                 
             |                                       
         
    
        
            | 
                9/16/2011
             | 
            
                -0.70 / -1.96%
             |             
            
                35.00
             |           
            
                35.00
             |               
            
                35.00
             |                           
            
                35.00
             | 
            
                35.00
             |                     
            
                4.78
             |                                 
            
                20
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/15/2011
             | 
            
                -1.80 / -4.80%
             |             
            
                36.00
             |           
            
                36.00
             |               
            
                35.70
             |                           
            
                35.70
             | 
            
                35.70
             |                     
            
                4.87
             |                                 
            
                1,110
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2011
             | 
            
                +1.50 / +4.17%
             |             
            
                37.60
             |           
            
                37.60
             |               
            
                37.50
             |                           
            
                37.50
             | 
            
                37.50
             |                     
            
                5.12
             |                                 
            
                170
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/13/2011
             | 
            
                -1.20 / -3.23%
             |             
            
                35.40
             |           
            
                36.00
             |               
            
                35.40
             |                           
            
                36.00
             | 
            
                36.00
             |                     
            
                4.91
             |                                 
            
                1,510
             |            
            
                 
             |                                       
         
    
        
            | 
                9/12/2011
             | 
            
                0.00 / 0.00%
             |             
            
                37.20
             |           
            
                37.20
             |               
            
                37.20
             |                           
            
                37.20
             | 
            
                37.20
             |                     
            
                5.08
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
         
    
    
 |