| 
                 
                    Closing price on 10/25/2012
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.20 | 
                 
                
                    | High | 
                    8.20 | 
                 
                
                    | Low | 
                    8.20 | 
                     
                
                    | Volume | 
                    170,550 | 
                                 
                
                    | Split-adjusted Price | 
                    4.21 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PXS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                10/25/2012
             | 
            
                -0.40 / -4.65%
             |             
            
                8.20
             |           
            
                8.20
             |               
            
                8.20
             |                           
            
                8.20
             | 
            
                8.20
             |                     
            
                4.21
             |                                 
            
                170,550
             |            
            
                 
             |                                       
         
    
        
            | 
                10/24/2012
             | 
            
                -0.40 / -4.44%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                8.60
             |                     
            
                4.42
             |                                 
            
                222,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/23/2012
             | 
            
                +0.10 / +1.12%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.90
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                4.62
             |                                 
            
                21,870
             |            
            
                 
             |                                       
         
    
        
            | 
                10/22/2012
             | 
            
                -0.10 / -1.11%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.80
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                4.57
             |                                 
            
                22,670
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/19/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.00
             |           
            
                9.10
             |               
            
                8.80
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                4.62
             |                                 
            
                42,540
             |            
            
                 
             |                                       
         
    
        
            | 
                10/18/2012
             | 
            
                -0.20 / -2.17%
             |             
            
                9.20
             |           
            
                9.20
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                4.62
             |                                 
            
                25,050
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/17/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.20
             |           
            
                9.20
             |               
            
                9.00
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                4.72
             |                                 
            
                3,670
             |            
            
                 
             |                                       
         
    
        
            | 
                10/16/2012
             | 
            
                +0.20 / +2.22%
             |             
            
                9.00
             |           
            
                9.20
             |               
            
                9.00
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                4.72
             |                                 
            
                94,120
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/15/2012
             | 
            
                -0.10 / -1.10%
             |             
            
                9.20
             |           
            
                9.20
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                4.62
             |                                 
            
                42,250
             |            
            
                 
             |                                       
         
    
        
            | 
                10/12/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.10
             |           
            
                9.10
             |               
            
                9.00
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                4.67
             |                                 
            
                39,820
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/11/2012
             | 
            
                -0.10 / -1.09%
             |             
            
                9.30
             |           
            
                9.50
             |               
            
                9.10
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                4.67
             |                                 
            
                144,190
             |            
            
                 
             |                                       
         
    
        
            | 
                10/10/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.20
             |           
            
                9.30
             |               
            
                9.00
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                4.72
             |                                 
            
                21,520
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/9/2012
             | 
            
                -0.10 / -1.08%
             |             
            
                9.30
             |           
            
                9.30
             |               
            
                9.00
             |                           
            
                9.20
             | 
            
                9.20
             |                     
            
                4.72
             |                                 
            
                23,840
             |            
            
                 
             |                                       
         
    
        
            | 
                10/8/2012
             | 
            
                +0.20 / +2.20%
             |             
            
                9.00
             |           
            
                9.30
             |               
            
                9.00
             |                           
            
                9.30
             | 
            
                9.30
             |                     
            
                4.78
             |                                 
            
                37,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/5/2012
             | 
            
                +0.20 / +2.25%
             |             
            
                8.90
             |           
            
                9.10
             |               
            
                8.90
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                4.67
             |                                 
            
                38,730
             |            
            
                 
             |                                       
         
    
        
            | 
                10/4/2012
             | 
            
                0.00 / 0.00%
             |             
            
                8.80
             |           
            
                8.90
             |               
            
                8.80
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                4.57
             |                                 
            
                19,060
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/3/2012
             | 
            
                +0.20 / +2.30%
             |             
            
                8.80
             |           
            
                8.90
             |               
            
                8.80
             |                           
            
                8.90
             | 
            
                8.90
             |                     
            
                4.57
             |                                 
            
                19,910
             |            
            
                 
             |                                       
         
    
        
            | 
                10/2/2012
             | 
            
                0.00 / 0.00%
             |             
            
                8.70
             |           
            
                8.80
             |               
            
                8.70
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                4.47
             |                                 
            
                68,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/1/2012
             | 
            
                -0.10 / -1.14%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.60
             |                           
            
                8.70
             | 
            
                8.70
             |                     
            
                4.47
             |                                 
            
                132,140
             |            
            
                 
             |                                       
         
    
        
            | 
                9/28/2012
             | 
            
                -0.20 / -2.22%
             |             
            
                8.90
             |           
            
                8.90
             |               
            
                8.80
             |                           
            
                8.80
             | 
            
                8.80
             |                     
            
                4.52
             |                                 
            
                88,810
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/27/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.90
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                4.62
             |                                 
            
                15,700
             |            
            
                 
             |                                       
         
    
        
            | 
                9/26/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.00
             |           
            
                9.10
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                4.62
             |                                 
            
                38,830
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/25/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.90
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                4.62
             |                                 
            
                36,940
             |            
            
                 
             |                                       
         
    
        
            | 
                9/24/2012
             | 
            
                -0.10 / -1.10%
             |             
            
                9.10
             |           
            
                9.10
             |               
            
                8.90
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                4.62
             |                                 
            
                15,140
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/21/2012
             | 
            
                +0.10 / +1.11%
             |             
            
                9.00
             |           
            
                9.10
             |               
            
                9.00
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                4.67
             |                                 
            
                27,450
             |            
            
                 
             |                                       
         
    
        
            | 
                9/20/2012
             | 
            
                -0.10 / -1.10%
             |             
            
                8.90
             |           
            
                9.00
             |               
            
                8.80
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                4.62
             |                                 
            
                120,920
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/19/2012
             | 
            
                +0.10 / +1.11%
             |             
            
                8.90
             |           
            
                9.10
             |               
            
                8.90
             |                           
            
                9.10
             | 
            
                9.10
             |                     
            
                4.67
             |                                 
            
                86,180
             |            
            
                 
             |                                       
         
    
        
            | 
                9/18/2012
             | 
            
                -0.30 / -3.23%
             |             
            
                9.30
             |           
            
                9.30
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                4.62
             |                                 
            
                92,940
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/17/2012
             | 
            
                -0.10 / -1.06%
             |             
            
                9.30
             |           
            
                9.40
             |               
            
                9.30
             |                           
            
                9.30
             | 
            
                9.30
             |                     
            
                4.78
             |                                 
            
                129,690
             |            
            
                 
             |                                       
         
    
        
            | 
                9/14/2012
             | 
            
                0.00 / 0.00%
             |             
            
                9.50
             |           
            
                9.70
             |               
            
                9.40
             |                           
            
                9.40
             | 
            
                9.40
             |                     
            
                4.83
             |                                 
            
                303,140
             |  
            
                 
             |                                                              
             
    
         
    
    
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