| 
                 
                    Closing price on 5/7/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    23.40 | 
                 
                
                    | High | 
                    23.40 | 
                 
                
                    | Low | 
                    21.60 | 
                     
                
                    | Volume | 
                    160,100 | 
                                 
                
                    | Split-adjusted Price | 
                    3.35 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PAC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/7/2012
             | 
            
                +1.10 / +4.93%
             |             
            
                23.40
             |           
            
                23.40
             |               
            
                21.60
             |                           
            
                23.40
             | 
            
                23.40
             |                     
            
                3.35
             |                                 
            
                160,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2012
             | 
            
                +1.00 / +4.69%
             |             
            
                21.30
             |           
            
                22.30
             |               
            
                21.30
             |                           
            
                22.30
             | 
            
                22.30
             |                     
            
                3.19
             |                                 
            
                9,280
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/3/2012
             | 
            
                -1.10 / -4.91%
             |             
            
                21.40
             |           
            
                22.40
             |               
            
                21.30
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                3.05
             |                                 
            
                41,510
             |            
            
                 
             |                                       
         
    
        
            | 
                5/2/2012
             | 
            
                -1.10 / -4.68%
             |             
            
                23.50
             |           
            
                23.50
             |               
            
                22.40
             |                           
            
                22.40
             | 
            
                22.40
             |                     
            
                3.21
             |                                 
            
                27,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2012
             | 
            
                -0.10 / -0.42%
             |             
            
                24.00
             |           
            
                24.00
             |               
            
                22.50
             |                           
            
                23.50
             | 
            
                23.50
             |                     
            
                3.37
             |                                 
            
                94,190
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2012
             | 
            
                -1.20 / -4.84%
             |             
            
                25.60
             |           
            
                25.60
             |               
            
                23.60
             |                           
            
                23.60
             | 
            
                23.60
             |                     
            
                3.38
             |                                 
            
                85,380
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2012
             | 
            
                +1.10 / +4.64%
             |             
            
                23.70
             |           
            
                24.80
             |               
            
                23.10
             |                           
            
                24.80
             | 
            
                24.80
             |                     
            
                3.55
             |                                 
            
                252,980
             |            
            
                 
             |                                       
         
    
        
            | 
                4/24/2012
             | 
            
                0.00 / 0.00%
             |             
            
                23.70
             |           
            
                23.70
             |               
            
                22.60
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                3.40
             |                                 
            
                123,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/23/2012
             | 
            
                -1.20 / -4.82%
             |             
            
                24.00
             |           
            
                24.20
             |               
            
                23.70
             |                           
            
                23.70
             | 
            
                23.70
             |                     
            
                3.40
             |                                 
            
                89,380
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2012
             | 
            
                +0.40 / +1.63%
             |             
            
                23.70
             |           
            
                25.00
             |               
            
                23.70
             |                           
            
                24.90
             | 
            
                24.90
             |                     
            
                3.57
             |                                 
            
                198,240
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2012
             | 
            
                +1.10 / +4.70%
             |             
            
                24.50
             |           
            
                24.50
             |               
            
                24.00
             |                           
            
                24.50
             | 
            
                24.50
             |                     
            
                3.51
             |                                 
            
                119,310
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2012
             | 
            
                +1.10 / +4.93%
             |             
            
                23.40
             |           
            
                23.40
             |               
            
                23.40
             |                           
            
                23.40
             | 
            
                23.40
             |                     
            
                3.35
             |                                 
            
                123,790
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/17/2012
             | 
            
                +1.00 / +4.69%
             |             
            
                22.30
             |           
            
                22.30
             |               
            
                22.30
             |                           
            
                22.30
             | 
            
                22.30
             |                     
            
                3.19
             |                                 
            
                36,930
             |            
            
                 
             |                                       
         
    
        
            | 
                4/16/2012
             | 
            
                +1.00 / +4.93%
             |             
            
                21.30
             |           
            
                21.30
             |               
            
                21.30
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                3.05
             |                                 
            
                18,430
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2012
             | 
            
                +0.90 / +4.64%
             |             
            
                20.10
             |           
            
                20.30
             |               
            
                19.90
             |                           
            
                20.30
             | 
            
                20.30
             |                     
            
                2.91
             |                                 
            
                11,720
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2012
             | 
            
                -0.10 / -0.51%
             |             
            
                19.50
             |           
            
                19.60
             |               
            
                19.20
             |                           
            
                19.40
             | 
            
                19.40
             |                     
            
                2.78
             |                                 
            
                65,770
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2012
             | 
            
                0.00 / 0.00%
             |             
            
                19.10
             |           
            
                19.50
             |               
            
                19.10
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                2.79
             |                                 
            
                38,030
             |            
            
                 
             |                                       
         
    
        
            | 
                4/10/2012
             | 
            
                -0.50 / -2.50%
             |             
            
                19.60
             |           
            
                20.00
             |               
            
                19.00
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                2.79
             |                                 
            
                13,230
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/9/2012
             | 
            
                -0.10 / -0.50%
             |             
            
                20.00
             |           
            
                20.00
             |               
            
                20.00
             |                           
            
                20.00
             | 
            
                20.00
             |                     
            
                2.87
             |                                 
            
                1,720
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2012
             | 
            
                0.00 / 0.00%
             |             
            
                19.20
             |           
            
                20.10
             |               
            
                19.20
             |                           
            
                20.10
             | 
            
                20.10
             |                     
            
                2.88
             |                                 
            
                1,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2012
             | 
            
                -0.40 / -1.95%
             |             
            
                20.40
             |           
            
                20.50
             |               
            
                20.10
             |                           
            
                20.10
             | 
            
                20.10
             |                     
            
                2.88
             |                                 
            
                3,310
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2012
             | 
            
                +0.50 / +2.50%
             |             
            
                19.00
             |           
            
                20.50
             |               
            
                19.00
             |                           
            
                20.50
             | 
            
                20.50
             |                     
            
                2.94
             |                                 
            
                29,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/3/2012
             | 
            
                +0.70 / +3.63%
             |             
            
                20.00
             |           
            
                20.00
             |               
            
                20.00
             |                           
            
                20.00
             | 
            
                20.00
             |                     
            
                2.87
             |                                 
            
                10
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2012
             | 
            
                +0.10 / +0.52%
             |             
            
                19.30
             |           
            
                19.30
             |               
            
                19.30
             |                           
            
                19.30
             | 
            
                19.30
             |                     
            
                2.77
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/29/2012
             | 
            
                -0.30 / -1.54%
             |             
            
                19.10
             |           
            
                19.20
             |               
            
                19.10
             |                           
            
                19.20
             | 
            
                19.20
             |                     
            
                2.75
             |                                 
            
                510
             |            
            
                 
             |                                       
         
    
        
            | 
                3/28/2012
             | 
            
                +0.20 / +1.04%
             |             
            
                19.60
             |           
            
                19.60
             |               
            
                18.70
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                2.79
             |                                 
            
                28,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2012
             | 
            
                -0.10 / -0.52%
             |             
            
                20.00
             |           
            
                20.00
             |               
            
                19.30
             |                           
            
                19.30
             | 
            
                19.30
             |                     
            
                2.77
             |                                 
            
                18,490
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2012
             | 
            
                +0.50 / +2.65%
             |             
            
                19.00
             |           
            
                19.40
             |               
            
                18.90
             |                           
            
                19.40
             | 
            
                19.40
             |                     
            
                2.78
             |                                 
            
                20,620
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2012
             | 
            
                +0.30 / +1.61%
             |             
            
                18.60
             |           
            
                18.90
             |               
            
                18.60
             |                           
            
                18.90
             | 
            
                18.90
             |                     
            
                2.71
             |                                 
            
                1,250
             |            
            
                 
             |                                       
         
    
        
            | 
                3/22/2012
             | 
            
                +0.20 / +1.09%
             |             
            
                18.40
             |           
            
                18.60
             |               
            
                17.60
             |                           
            
                18.60
             | 
            
                18.60
             |                     
            
                2.66
             |                                 
            
                4,090
             |  
            
                 
             |                                                              
             
    
         
    
    
 |