| 
                 
                    Closing price on 4/10/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    19.60 | 
                 
                
                    | High | 
                    20.00 | 
                 
                
                    | Low | 
                    19.00 | 
                     
                
                    | Volume | 
                    13,230 | 
                                 
                
                    | Split-adjusted Price | 
                    2.79 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PAC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |            
            
                 
             |                                       
         
    
        
            | 
                3/21/2012
             | 
            
                +0.40 / +2.22%
             |             
            
                18.50
             |           
            
                18.50
             |               
            
                18.00
             |                           
            
                18.40
             | 
            
                18.40
             |                     
            
                2.64
             |                                 
            
                4,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/20/2012
             | 
            
                0.00 / 0.00%
             |             
            
                17.90
             |           
            
                18.60
             |               
            
                17.90
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                2.58
             |                                 
            
                3,360
             |            
            
                 
             |                                       
         
    
        
            | 
                3/19/2012
             | 
            
                -0.10 / -0.55%
             |             
            
                18.10
             |           
            
                18.10
             |               
            
                17.30
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                2.58
             |                                 
            
                7,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/16/2012
             | 
            
                +0.80 / +4.62%
             |             
            
                18.10
             |           
            
                18.10
             |               
            
                18.00
             |                           
            
                18.10
             | 
            
                18.10
             |                     
            
                2.59
             |                                 
            
                3,230
             |            
            
                 
             |                                       
         
    
        
            | 
                3/15/2012
             | 
            
                -0.30 / -1.70%
             |             
            
                17.60
             |           
            
                18.20
             |               
            
                17.30
             |                           
            
                17.30
             | 
            
                17.30
             |                     
            
                2.48
             |                                 
            
                3,660
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/14/2012
             | 
            
                -0.90 / -4.86%
             |             
            
                18.50
             |           
            
                18.50
             |               
            
                17.60
             |                           
            
                17.60
             | 
            
                17.60
             |                     
            
                2.52
             |                                 
            
                32,310
             |            
            
                 
             |                                       
         
    
        
            | 
                3/13/2012
             | 
            
                -0.50 / -2.63%
             |             
            
                19.00
             |           
            
                19.00
             |               
            
                18.50
             |                           
            
                18.50
             | 
            
                18.50
             |                     
            
                2.65
             |                                 
            
                2,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/12/2012
             | 
            
                +0.10 / +0.53%
             |             
            
                19.00
             |           
            
                19.00
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                2.72
             |                                 
            
                4,590
             |            
            
                 
             |                                       
         
    
        
            | 
                3/9/2012
             | 
            
                +0.80 / +4.42%
             |             
            
                18.90
             |           
            
                18.90
             |               
            
                18.90
             |                           
            
                18.90
             | 
            
                18.90
             |                     
            
                2.71
             |                                 
            
                15,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/8/2012
             | 
            
                -0.90 / -4.74%
             |             
            
                18.20
             |           
            
                18.20
             |               
            
                18.10
             |                           
            
                18.10
             | 
            
                18.10
             |                     
            
                2.59
             |                                 
            
                34,610
             |            
            
                 
             |                                       
         
    
        
            | 
                3/7/2012
             | 
            
                -0.90 / -4.52%
             |             
            
                19.90
             |           
            
                19.90
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                2.72
             |                                 
            
                25,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/6/2012
             | 
            
                0.00 / 0.00%
             |             
            
                20.80
             |           
            
                20.80
             |               
            
                19.90
             |                           
            
                19.90
             | 
            
                19.90
             |                     
            
                2.85
             |                                 
            
                3,710
             |            
            
                 
             |                                       
         
    
        
            | 
                3/5/2012
             | 
            
                +0.90 / +4.74%
             |             
            
                19.00
             |           
            
                19.90
             |               
            
                19.00
             |                           
            
                19.90
             | 
            
                19.90
             |                     
            
                2.85
             |                                 
            
                50,570
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/2/2012
             | 
            
                +0.10 / +0.53%
             |             
            
                19.00
             |           
            
                19.00
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                2.72
             |                                 
            
                5,030
             |            
            
                 
             |                                       
         
    
        
            | 
                3/1/2012
             | 
            
                0.00 / 0.00%
             |             
            
                19.00
             |           
            
                19.00
             |               
            
                18.90
             |                           
            
                18.90
             | 
            
                18.90
             |                     
            
                2.71
             |                                 
            
                4,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/29/2012
             | 
            
                -0.90 / -4.55%
             |             
            
                19.80
             |           
            
                19.80
             |               
            
                18.90
             |                           
            
                18.90
             | 
            
                18.90
             |                     
            
                2.71
             |                                 
            
                4,590
             |            
            
                 
             |                                       
         
    
        
            | 
                2/28/2012
             | 
            
                -1.00 / -4.81%
             |             
            
                20.10
             |           
            
                20.10
             |               
            
                19.80
             |                           
            
                19.80
             | 
            
                19.80
             |                     
            
                2.84
             |                                 
            
                4,700
             |  
            
                 
             |                                                              
             
    
         
    
    
 |