| 
                 
                    Closing price on 8/30/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.10 | 
                 
                
                    | High | 
                    7.10 | 
                 
                
                    | Low | 
                    6.50 | 
                     
                
                    | Volume | 
                    7,070 | 
                                 
                
                    | Split-adjusted Price | 
                    5.92 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PIT Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                8/30/2012
             | 
            
                +0.30 / +4.41%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                6.50
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                5.92
             |                                 
            
                7,070
             |            
            
                 
             |                                       
         
    
        
            | 
                8/29/2012
             | 
            
                -0.30 / -4.23%
             |             
            
                6.90
             |           
            
                7.20
             |               
            
                6.80
             |                           
            
                6.80
             | 
            
                6.80
             |                     
            
                5.67
             |                                 
            
                1,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/28/2012
             | 
            
                -0.30 / -4.05%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                5.92
             |                                 
            
                360
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.17
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2012
             | 
            
                +0.30 / +4.23%
             |             
            
                6.80
             |           
            
                7.40
             |               
            
                6.80
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.17
             |                                 
            
                5,970
             |            
            
                 
             |                                       
         
    
        
            | 
                8/23/2012
             | 
            
                -0.10 / -1.39%
             |             
            
                6.90
             |           
            
                7.10
             |               
            
                6.90
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                5.92
             |                                 
            
                6,490
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/22/2012
             | 
            
                +0.10 / +1.41%
             |             
            
                6.90
             |           
            
                7.20
             |               
            
                6.90
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                6.00
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2012
             | 
            
                -0.10 / -1.39%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                6.90
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                5.92
             |                                 
            
                5,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2012
             | 
            
                +0.30 / +4.35%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                6.90
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                6.00
             |                                 
            
                6,450
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2012
             | 
            
                0.00 / 0.00%
             |             
            
                6.60
             |           
            
                6.90
             |               
            
                6.60
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                5.75
             |                                 
            
                28,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/16/2012
             | 
            
                -0.20 / -2.82%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                6.90
             |                           
            
                6.90
             | 
            
                6.90
             |                     
            
                5.75
             |                                 
            
                1,050
             |            
            
                 
             |                                       
         
    
        
            | 
                8/15/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.10
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                5.92
             |                                 
            
                140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/14/2012
             | 
            
                -0.30 / -4.05%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                5.92
             |                                 
            
                9,410
             |            
            
                 
             |                                       
         
    
        
            | 
                8/13/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.40
             |           
            
                7.40
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.17
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/10/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.10
             |           
            
                7.40
             |               
            
                7.10
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.17
             |                                 
            
                27,880
             |            
            
                 
             |                                       
         
    
        
            | 
                8/9/2012
             | 
            
                +0.20 / +2.78%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.20
             |                           
            
                7.40
             | 
            
                7.40
             |                     
            
                6.17
             |                                 
            
                5,020
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/8/2012
             | 
            
                +0.20 / +2.86%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                6.00
             |                                 
            
                50
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2012
             | 
            
                +0.30 / +4.48%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                6.90
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                5.83
             |                                 
            
                3,030
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/6/2012
             | 
            
                -0.30 / -4.29%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.70
             |                     
            
                5.58
             |                                 
            
                6,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/3/2012
             | 
            
                -0.10 / -1.41%
             |             
            
                7.10
             |           
            
                7.20
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                5.83
             |                                 
            
                650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/2/2012
             | 
            
                -0.10 / -1.39%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.10
             |                           
            
                7.10
             | 
            
                7.10
             |                     
            
                5.92
             |                                 
            
                1,570
             |            
            
                 
             |                                       
         
    
        
            | 
                8/1/2012
             | 
            
                -0.30 / -4.00%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                6.00
             |                                 
            
                1,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/31/2012
             | 
            
                -0.30 / -3.85%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.25
             |                                 
            
                60
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2012
             | 
            
                +0.30 / +4.00%
             |             
            
                7.50
             |           
            
                7.80
             |               
            
                7.50
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                6.50
             |                                 
            
                360
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.25
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/26/2012
             | 
            
                +0.30 / +4.17%
             |             
            
                7.10
             |           
            
                7.50
             |               
            
                7.10
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.25
             |                                 
            
                1,320
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/25/2012
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                6.00
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2012
             | 
            
                -0.30 / -4.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                6.00
             |                                 
            
                13,160
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/23/2012
             | 
            
                -0.30 / -3.85%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                6.25
             |                                 
            
                530
             |            
            
                 
             |                                       
         
    
        
            | 
                7/20/2012
             | 
            
                +0.20 / +2.63%
             |             
            
                7.70
             |           
            
                7.80
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                6.50
             |                                 
            
                250
             |  
            
                 
             |                                                              
             
    
         
    
    
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