| 
                 
                    Closing price on 4/8/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    19.50 | 
                 
                
                    | High | 
                    19.70 | 
                 
                
                    | Low | 
                    19.50 | 
                     
                
                    | Volume | 
                    430,400 | 
                                 
                
                    | Split-adjusted Price | 
                    13.78 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
PXS Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                4/8/2015
             | 
            
                +0.20 / +1.04%
             |             
            
                19.50
             |           
            
                19.70
             |               
            
                19.50
             |                           
            
                19.50
             | 
            
                19.58
             |                     
            
                13.78
             |                                 
            
                430,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2015
             | 
            
                +0.30 / +1.58%
             |             
            
                19.00
             |           
            
                19.50
             |               
            
                19.00
             |                           
            
                19.30
             | 
            
                19.17
             |                     
            
                13.64
             |                                 
            
                238,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2015
             | 
            
                -0.20 / -1.04%
             |             
            
                19.20
             |           
            
                19.30
             |               
            
                18.90
             |                           
            
                19.00
             | 
            
                19.07
             |                     
            
                13.43
             |                                 
            
                240,230
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2015
             | 
            
                +0.20 / +1.05%
             |             
            
                19.10
             |           
            
                19.20
             |               
            
                18.90
             |                           
            
                19.20
             | 
            
                19.08
             |                     
            
                13.57
             |                                 
            
                155,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2015
             | 
            
                +0.30 / +1.60%
             |             
            
                18.80
             |           
            
                19.10
             |               
            
                18.60
             |                           
            
                19.00
             | 
            
                18.82
             |                     
            
                13.43
             |                                 
            
                477,570
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2015
             | 
            
                -1.40 / -6.97%
             |             
            
                20.10
             |           
            
                20.10
             |               
            
                18.70
             |                           
            
                18.70
             | 
            
                19.08
             |                     
            
                13.21
             |                                 
            
                821,250
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2015
             | 
            
                +0.30 / +1.52%
             |             
            
                20.00
             |           
            
                20.20
             |               
            
                19.90
             |                           
            
                20.10
             | 
            
                20.07
             |                     
            
                14.20
             |                                 
            
                384,360
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2015
             | 
            
                -0.60 / -2.94%
             |             
            
                20.60
             |           
            
                20.60
             |               
            
                19.80
             |                           
            
                19.80
             | 
            
                20.08
             |                     
            
                13.99
             |                                 
            
                315,390
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2015
             | 
            
                -0.40 / -1.92%
             |             
            
                21.10
             |           
            
                21.30
             |               
            
                20.40
             |                           
            
                20.40
             | 
            
                20.79
             |                     
            
                14.42
             |                                 
            
                386,670
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2015
             | 
            
                +0.30 / +1.46%
             |             
            
                20.50
             |           
            
                21.00
             |               
            
                20.50
             |                           
            
                20.80
             | 
            
                20.76
             |                     
            
                14.70
             |                                 
            
                397,070
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2015
             | 
            
                -0.10 / -0.49%
             |             
            
                20.60
             |           
            
                21.00
             |               
            
                20.50
             |                           
            
                20.50
             | 
            
                20.64
             |                     
            
                14.49
             |                                 
            
                301,320
             |            
            
                 
             |                                       
         
    
        
            | 
                3/24/2015
             | 
            
                -0.10 / -0.48%
             |             
            
                20.70
             |           
            
                20.80
             |               
            
                20.30
             |                           
            
                20.60
             | 
            
                20.44
             |                     
            
                14.56
             |                                 
            
                564,260
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2015
             | 
            
                -0.10 / -0.48%
             |             
            
                21.00
             |           
            
                21.30
             |               
            
                20.70
             |                           
            
                20.70
             | 
            
                20.99
             |                     
            
                14.63
             |                                 
            
                546,750
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2015
             | 
            
                0.00 / 0.00%
             |             
            
                20.80
             |           
            
                21.00
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.86
             |                     
            
                14.70
             |                                 
            
                113,270
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/19/2015
             | 
            
                0.00 / 0.00%
             |             
            
                21.30
             |           
            
                21.40
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                14.70
             |                                 
            
                286,940
             |            
            
                 
             |                                       
         
    
        
            | 
                3/18/2015
             | 
            
                -0.40 / -1.89%
             |             
            
                21.10
             |           
            
                21.30
             |               
            
                20.80
             |                           
            
                20.80
             | 
            
                20.80
             |                     
            
                14.70
             |                                 
            
                507,450
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/17/2015
             | 
            
                -0.10 / -0.47%
             |             
            
                21.10
             |           
            
                21.50
             |               
            
                21.10
             |                           
            
                21.20
             | 
            
                21.20
             |                     
            
                14.98
             |                                 
            
                208,260
             |            
            
                 
             |                                       
         
    
        
            | 
                3/16/2015
             | 
            
                -0.70 / -3.18%
             |             
            
                21.80
             |           
            
                21.90
             |               
            
                21.30
             |                           
            
                21.30
             | 
            
                21.30
             |                     
            
                15.05
             |                                 
            
                635,480
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/13/2015
             | 
            
                -0.10 / -0.45%
             |             
            
                22.20
             |           
            
                22.40
             |               
            
                22.00
             |                           
            
                22.00
             | 
            
                22.00
             |                     
            
                15.55
             |                                 
            
                386,010
             |            
            
                 
             |                                       
         
    
        
            | 
                3/12/2015
             | 
            
                -0.30 / -1.34%
             |             
            
                22.60
             |           
            
                23.00
             |               
            
                22.10
             |                           
            
                22.10
             | 
            
                22.10
             |                     
            
                15.62
             |                                 
            
                413,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/11/2015
             | 
            
                0.00 / 0.00%
             |             
            
                22.50
             |           
            
                22.50
             |               
            
                21.90
             |                           
            
                22.40
             | 
            
                22.40
             |                     
            
                15.83
             |                                 
            
                910,670
             |            
            
                 
             |                                       
         
    
        
            | 
                3/10/2015
             | 
            
                0.00 / 0.00%
             |             
            
                22.40
             |           
            
                22.70
             |               
            
                22.30
             |                           
            
                22.40
             | 
            
                22.40
             |                     
            
                15.83
             |                                 
            
                581,680
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/9/2015
             | 
            
                -0.80 / -3.45%
             |             
            
                23.00
             |           
            
                23.00
             |               
            
                22.20
             |                           
            
                22.40
             | 
            
                22.40
             |                     
            
                15.83
             |                                 
            
                651,970
             |            
            
                 
             |                                       
         
    
        
            | 
                3/6/2015
             | 
            
                +0.30 / +1.31%
             |             
            
                23.00
             |           
            
                23.50
             |               
            
                22.80
             |                           
            
                23.20
             | 
            
                23.20
             |                     
            
                16.39
             |                                 
            
                717,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/5/2015
             | 
            
                +1.30 / +6.02%
             |             
            
                22.00
             |           
            
                23.10
             |               
            
                22.00
             |                           
            
                22.90
             | 
            
                22.90
             |                     
            
                16.18
             |                                 
            
                2,035,310
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2015
             | 
            
                +0.60 / +2.86%
             |             
            
                21.40
             |           
            
                21.80
             |               
            
                21.30
             |                           
            
                21.60
             | 
            
                21.60
             |                     
            
                15.26
             |                                 
            
                622,350
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2015
             | 
            
                +0.10 / +0.48%
             |             
            
                20.90
             |           
            
                21.20
             |               
            
                20.80
             |                           
            
                21.00
             | 
            
                21.00
             |                     
            
                14.84
             |                                 
            
                408,320
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2015
             | 
            
                -0.50 / -2.34%
             |             
            
                21.40
             |           
            
                21.40
             |               
            
                20.80
             |                           
            
                20.90
             | 
            
                20.90
             |                     
            
                14.77
             |                                 
            
                256,860
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/27/2015
             | 
            
                -0.10 / -0.47%
             |             
            
                21.50
             |           
            
                21.60
             |               
            
                21.20
             |                           
            
                21.40
             | 
            
                21.40
             |                     
            
                15.12
             |                                 
            
                410,660
             |            
            
                 
             |                                       
         
    
        
            | 
                2/26/2015
             | 
            
                +1.30 / +6.44%
             |             
            
                20.30
             |           
            
                21.50
             |               
            
                20.10
             |                           
            
                21.50
             | 
            
                21.50
             |                     
            
                15.19
             |                                 
            
                1,001,840
             |  
            
                 
             |                                                              
             
    
         
    
    
 |