| 
                 
                    Closing price on 11/19/2013
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    13.10 | 
                 
                
                    | High | 
                    13.80 | 
                 
                
                    | Low | 
                    13.10 | 
                     
                
                    | Volume | 
                    724,470 | 
                                 
                
                    | Split-adjusted Price | 
                    9.05 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PXS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                11/19/2013
             | 
            
                +0.40 / +3.01%
             |             
            
                13.10
             |           
            
                13.80
             |               
            
                13.10
             |                           
            
                13.70
             | 
            
                13.70
             |                     
            
                9.05
             |                                 
            
                724,470
             |            
            
                 
             |                                       
         
    
        
            | 
                11/18/2013
             | 
            
                +0.50 / +3.91%
             |             
            
                13.10
             |           
            
                13.60
             |               
            
                12.90
             |                           
            
                13.30
             | 
            
                13.30
             |                     
            
                8.79
             |                                 
            
                998,190
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                12.70
             |           
            
                12.80
             |               
            
                12.60
             |                           
            
                12.80
             | 
            
                12.80
             |                     
            
                8.46
             |                                 
            
                509,560
             |            
            
                 
             |                                       
         
    
        
            | 
                11/14/2013
             | 
            
                +0.30 / +2.40%
             |             
            
                12.60
             |           
            
                12.80
             |               
            
                12.60
             |                           
            
                12.80
             | 
            
                12.80
             |                     
            
                8.46
             |                                 
            
                492,890
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/13/2013
             | 
            
                -0.30 / -2.34%
             |             
            
                12.80
             |           
            
                12.90
             |               
            
                12.50
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                8.26
             |                                 
            
                709,780
             |            
            
                 
             |                                       
         
    
        
            | 
                11/12/2013
             | 
            
                +0.30 / +2.40%
             |             
            
                12.70
             |           
            
                13.20
             |               
            
                12.50
             |                           
            
                12.80
             | 
            
                12.80
             |                     
            
                8.46
             |                                 
            
                1,052,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/11/2013
             | 
            
                +0.80 / +6.84%
             |             
            
                11.70
             |           
            
                12.50
             |               
            
                11.70
             |                           
            
                12.50
             | 
            
                12.50
             |                     
            
                8.26
             |                                 
            
                1,253,770
             |            
            
                 
             |                                       
         
    
        
            | 
                11/8/2013
             | 
            
                -0.10 / -0.85%
             |             
            
                11.90
             |           
            
                12.00
             |               
            
                11.70
             |                           
            
                11.70
             | 
            
                11.70
             |                     
            
                7.73
             |                                 
            
                318,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/7/2013
             | 
            
                +0.20 / +1.72%
             |             
            
                12.00
             |           
            
                12.40
             |               
            
                11.80
             |                           
            
                11.80
             | 
            
                11.80
             |                     
            
                7.80
             |                                 
            
                1,533,080
             |            
            
                 
             |                                       
         
    
        
            | 
                11/6/2013
             | 
            
                +0.70 / +6.42%
             |             
            
                10.90
             |           
            
                11.60
             |               
            
                10.90
             |                           
            
                11.60
             | 
            
                11.60
             |                     
            
                7.67
             |                                 
            
                1,041,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/5/2013
             | 
            
                +0.30 / +2.83%
             |             
            
                10.70
             |           
            
                10.90
             |               
            
                10.60
             |                           
            
                10.90
             | 
            
                10.90
             |                     
            
                7.20
             |                                 
            
                230,930
             |            
            
                 
             |                                       
         
    
        
            | 
                11/4/2013
             | 
            
                0.00 / 0.00%
             |             
            
                10.60
             |           
            
                10.80
             |               
            
                10.40
             |                           
            
                10.60
             | 
            
                10.60
             |                     
            
                7.01
             |                                 
            
                161,960
             |  
            
                 
             |                                                              
             
    
        			
            | 
                11/1/2013
             | 
            
                0.00 / 0.00%
             |             
            
                10.60
             |           
            
                10.60
             |               
            
                10.50
             |                           
            
                10.60
             | 
            
                10.60
             |                     
            
                7.01
             |                                 
            
                32,410
             |            
            
                 
             |                                       
         
    
        
            | 
                10/31/2013
             | 
            
                0.00 / 0.00%
             |             
            
                10.80
             |           
            
                10.80
             |               
            
                10.60
             |                           
            
                10.60
             | 
            
                10.60
             |                     
            
                7.01
             |                                 
            
                7,930
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/30/2013
             | 
            
                +0.40 / +3.92%
             |             
            
                10.20
             |           
            
                10.70
             |               
            
                10.20
             |                           
            
                10.60
             | 
            
                10.60
             |                     
            
                7.01
             |                                 
            
                112,230
             |            
            
                 
             |                                       
         
    
        
            | 
                10/29/2013
             | 
            
                -0.30 / -2.86%
             |             
            
                10.50
             |           
            
                10.50
             |               
            
                10.20
             |                           
            
                10.20
             | 
            
                10.20
             |                     
            
                6.74
             |                                 
            
                157,130
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/28/2013
             | 
            
                -0.10 / -0.94%
             |             
            
                10.60
             |           
            
                11.10
             |               
            
                10.50
             |                           
            
                10.50
             | 
            
                10.50
             |                     
            
                6.94
             |                                 
            
                71,010
             |            
            
                 
             |                                       
         
    
        
            | 
                10/25/2013
             | 
            
                -0.20 / -1.85%
             |             
            
                10.70
             |           
            
                10.70
             |               
            
                10.60
             |                           
            
                10.60
             | 
            
                10.60
             |                     
            
                7.01
             |                                 
            
                126,640
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/24/2013
             | 
            
                -0.30 / -2.70%
             |             
            
                11.10
             |           
            
                11.10
             |               
            
                10.50
             |                           
            
                10.80
             | 
            
                10.80
             |                     
            
                7.14
             |                                 
            
                231,940
             |            
            
                 
             |                                       
         
    
        
            | 
                10/23/2013
             | 
            
                0.00 / 0.00%
             |             
            
                11.30
             |           
            
                11.30
             |               
            
                11.00
             |                           
            
                11.10
             | 
            
                11.10
             |                     
            
                7.34
             |                                 
            
                209,150
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/22/2013
             | 
            
                -0.50 / -4.31%
             |             
            
                11.30
             |           
            
                11.40
             |               
            
                11.10
             |                           
            
                11.10
             | 
            
                11.10
             |                     
            
                7.34
             |                                 
            
                223,060
             |            
            
                 
             |                                       
         
    
        
            | 
                10/21/2013
             | 
            
                +0.30 / +2.65%
             |             
            
                11.40
             |           
            
                12.00
             |               
            
                11.20
             |                           
            
                11.60
             | 
            
                11.60
             |                     
            
                7.17
             |                                 
            
                878,180
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/18/2013
             | 
            
                -0.10 / -0.88%
             |             
            
                11.40
             |           
            
                11.50
             |               
            
                11.20
             |                           
            
                11.30
             | 
            
                11.30
             |                     
            
                6.98
             |                                 
            
                222,420
             |            
            
                 
             |                                       
         
    
        
            | 
                10/17/2013
             | 
            
                +0.20 / +1.79%
             |             
            
                11.20
             |           
            
                11.40
             |               
            
                11.20
             |                           
            
                11.40
             | 
            
                11.40
             |                     
            
                7.05
             |                                 
            
                160,310
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/16/2013
             | 
            
                +0.20 / +1.82%
             |             
            
                11.20
             |           
            
                11.50
             |               
            
                11.00
             |                           
            
                11.20
             | 
            
                11.20
             |                     
            
                6.92
             |                                 
            
                467,700
             |            
            
                 
             |                                       
         
    
        
            | 
                10/15/2013
             | 
            
                0.00 / 0.00%
             |             
            
                11.20
             |           
            
                11.40
             |               
            
                11.00
             |                           
            
                11.00
             | 
            
                11.00
             |                     
            
                6.80
             |                                 
            
                92,870
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/14/2013
             | 
            
                +0.10 / +0.92%
             |             
            
                11.10
             |           
            
                11.10
             |               
            
                10.80
             |                           
            
                11.00
             | 
            
                11.00
             |                     
            
                6.80
             |                                 
            
                48,400
             |            
            
                 
             |                                       
         
    
        
            | 
                10/11/2013
             | 
            
                -0.10 / -0.91%
             |             
            
                11.30
             |           
            
                11.30
             |               
            
                10.90
             |                           
            
                10.90
             | 
            
                10.90
             |                     
            
                6.74
             |                                 
            
                250,650
             |  
            
                 
             |                                                              
             
    
        			
            | 
                10/10/2013
             | 
            
                -0.50 / -4.35%
             |             
            
                11.50
             |           
            
                11.50
             |               
            
                10.90
             |                           
            
                11.00
             | 
            
                11.00
             |                     
            
                6.80
             |                                 
            
                197,000
             |            
            
                 
             |                                       
         
    
        
            | 
                10/9/2013
             | 
            
                +0.10 / +0.88%
             |             
            
                11.50
             |           
            
                11.60
             |               
            
                11.40
             |                           
            
                11.50
             | 
            
                11.50
             |                     
            
                7.11
             |                                 
            
                325,610
             |  
            
                 
             |                                                              
             
    
         
    
    
 |