| 
                 
                    Closing price on 5/11/2011
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    16.90 | 
                 
                
                    | High | 
                    16.90 | 
                 
                
                    | Low | 
                    16.70 | 
                     
                
                    | Volume | 
                    3,160 | 
                                 
                
                    | Split-adjusted Price | 
                    11.30 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
POM Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/11/2011
             | 
            
                0.00 / 0.00%
             |             
            
                16.90
             |           
            
                16.90
             |               
            
                16.70
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                11.30
             |                                 
            
                3,160
             |            
            
                 
             |                                       
         
    
        
            | 
                5/10/2011
             | 
            
                -0.80 / -4.52%
             |             
            
                18.00
             |           
            
                18.00
             |               
            
                16.90
             |                           
            
                16.90
             | 
            
                16.90
             |                     
            
                11.30
             |                                 
            
                3,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/9/2011
             | 
            
                -0.70 / -3.80%
             |             
            
                18.70
             |           
            
                18.80
             |               
            
                17.70
             |                           
            
                17.70
             | 
            
                17.70
             |                     
            
                11.84
             |                                 
            
                3,720
             |            
            
                 
             |                                       
         
    
        
            | 
                5/6/2011
             | 
            
                +0.40 / +2.22%
             |             
            
                18.40
             |           
            
                18.40
             |               
            
                18.40
             |                           
            
                18.40
             | 
            
                18.40
             |                     
            
                12.31
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/5/2011
             | 
            
                -0.80 / -4.26%
             |             
            
                18.50
             |           
            
                18.50
             |               
            
                18.00
             |                           
            
                18.00
             | 
            
                18.00
             |                     
            
                12.04
             |                                 
            
                3,870
             |            
            
                 
             |                                       
         
    
        
            | 
                5/4/2011
             | 
            
                -0.60 / -3.09%
             |             
            
                18.80
             |           
            
                18.80
             |               
            
                18.80
             |                           
            
                18.80
             | 
            
                18.80
             |                     
            
                12.58
             |                                 
            
                10,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/29/2011
             | 
            
                +0.40 / +2.11%
             |             
            
                19.40
             |           
            
                19.40
             |               
            
                19.00
             |                           
            
                19.40
             | 
            
                19.40
             |                     
            
                12.98
             |                                 
            
                3,140
             |            
            
                 
             |                                       
         
    
        
            | 
                4/28/2011
             | 
            
                -0.50 / -2.56%
             |             
            
                19.00
             |           
            
                19.00
             |               
            
                19.00
             |                           
            
                19.00
             | 
            
                19.00
             |                     
            
                12.71
             |                                 
            
                2,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/27/2011
             | 
            
                0.00 / 0.00%
             |             
            
                19.00
             |           
            
                19.50
             |               
            
                19.00
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                13.04
             |                                 
            
                10,120
             |            
            
                 
             |                                       
         
    
        
            | 
                4/26/2011
             | 
            
                -0.80 / -3.94%
             |             
            
                19.50
             |           
            
                19.50
             |               
            
                19.50
             |                           
            
                19.50
             | 
            
                19.50
             |                     
            
                13.04
             |                                 
            
                11,880
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/25/2011
             | 
            
                +0.10 / +0.50%
             |             
            
                19.50
             |           
            
                20.30
             |               
            
                19.20
             |                           
            
                20.30
             | 
            
                20.30
             |                     
            
                13.58
             |                                 
            
                19,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/22/2011
             | 
            
                +0.30 / +1.51%
             |             
            
                20.70
             |           
            
                20.70
             |               
            
                19.00
             |                           
            
                20.20
             | 
            
                20.20
             |                     
            
                13.51
             |                                 
            
                3,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/21/2011
             | 
            
                -0.90 / -4.33%
             |             
            
                20.40
             |           
            
                20.40
             |               
            
                19.90
             |                           
            
                19.90
             | 
            
                19.90
             |                     
            
                13.31
             |                                 
            
                1,910
             |            
            
                 
             |                                       
         
    
        
            | 
                4/20/2011
             | 
            
                0.00 / 0.00%
             |             
            
                20.80
             |           
            
                20.80
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                13.91
             |                                 
            
                210
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/19/2011
             | 
            
                0.00 / 0.00%
             |             
            
                20.00
             |           
            
                20.90
             |               
            
                20.00
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                13.91
             |                                 
            
                7,880
             |            
            
                 
             |                                       
         
    
        
            | 
                4/18/2011
             | 
            
                -1.00 / -4.59%
             |             
            
                20.80
             |           
            
                22.00
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                13.91
             |                                 
            
                5,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2011
             | 
            
                -0.10 / -0.46%
             |             
            
                21.10
             |           
            
                21.80
             |               
            
                21.10
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                14.58
             |                                 
            
                2,170
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2011
             | 
            
                -0.40 / -1.79%
             |             
            
                21.20
             |           
            
                21.90
             |               
            
                21.20
             |                           
            
                21.90
             | 
            
                21.90
             |                     
            
                14.65
             |                                 
            
                3,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2011
             | 
            
                -0.50 / -2.19%
             |             
            
                22.20
             |           
            
                22.30
             |               
            
                22.20
             |                           
            
                22.30
             | 
            
                22.30
             |                     
            
                14.92
             |                                 
            
                2,600
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2011
             | 
            
                +0.50 / +2.24%
             |             
            
                23.00
             |           
            
                23.00
             |               
            
                21.60
             |                           
            
                22.80
             | 
            
                22.80
             |                     
            
                15.25
             |                                 
            
                3,850
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2011
             | 
            
                0.00 / 0.00%
             |             
            
                22.30
             |           
            
                22.30
             |               
            
                22.30
             |                           
            
                22.30
             | 
            
                22.30
             |                     
            
                14.92
             |                                 
            
                2,500
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2011
             | 
            
                0.00 / 0.00%
             |             
            
                22.60
             |           
            
                22.60
             |               
            
                21.50
             |                           
            
                22.30
             | 
            
                22.30
             |                     
            
                14.92
             |                                 
            
                9,720
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2011
             | 
            
                -0.20 / -0.89%
             |             
            
                22.40
             |           
            
                22.40
             |               
            
                22.30
             |                           
            
                22.30
             | 
            
                22.30
             |                     
            
                14.92
             |                                 
            
                130
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2011
             | 
            
                +0.10 / +0.45%
             |             
            
                22.40
             |           
            
                22.50
             |               
            
                22.40
             |                           
            
                22.50
             | 
            
                22.50
             |                     
            
                15.05
             |                                 
            
                13,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2011
             | 
            
                0.00 / 0.00%
             |             
            
                22.40
             |           
            
                22.40
             |               
            
                22.40
             |                           
            
                22.40
             | 
            
                22.40
             |                     
            
                14.98
             |                                 
            
                164,289
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2011
             | 
            
                +0.60 / +2.75%
             |             
            
                21.70
             |           
            
                22.80
             |               
            
                21.10
             |                           
            
                22.40
             | 
            
                22.40
             |                     
            
                14.98
             |                                 
            
                5,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2011
             | 
            
                -0.30 / -1.36%
             |             
            
                22.30
             |           
            
                22.30
             |               
            
                21.60
             |                           
            
                21.80
             | 
            
                21.80
             |                     
            
                14.58
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2011
             | 
            
                -0.80 / -3.49%
             |             
            
                22.10
             |           
            
                22.10
             |               
            
                22.10
             |                           
            
                22.10
             | 
            
                22.10
             |                     
            
                14.78
             |                                 
            
                2,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2011
             | 
            
                +0.90 / +4.09%
             |             
            
                22.50
             |           
            
                22.90
             |               
            
                22.00
             |                           
            
                22.90
             | 
            
                22.90
             |                     
            
                15.32
             |                                 
            
                4,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2011
             | 
            
                0.00 / 0.00%
             |             
            
                21.40
             |           
            
                22.50
             |               
            
                21.40
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                14.72
             |                                 
            
                2,240
             |  
            
                 
             |                                                              
             
    
         
    
    
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