| 
                 
                    Closing price on 9/4/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    3.10 | 
                 
                
                    | High | 
                    3.40 | 
                 
                
                    | Low | 
                    3.10 | 
                     
                
                    | Volume | 
                    125,300 | 
                                 
                
                    | Split-adjusted Price | 
                    3.30 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NDF Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                9/4/2015
             | 
            
                +0.20 / +6.45%
             |             
            
                3.10
             |           
            
                3.40
             |               
            
                3.10
             |                           
            
                3.30
             | 
            
                3.35
             |                     
            
                3.30
             |                                 
            
                125,300
             |            
            
                 
             |                                       
         
    
        
            | 
                9/3/2015
             | 
            
                0.00 / 0.00%
             |             
            
                3.00
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.00
             |                     
            
                3.10
             |                                 
            
                55,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                9/1/2015
             | 
            
                -0.10 / -3.13%
             |             
            
                3.10
             |           
            
                3.10
             |               
            
                3.00
             |                           
            
                3.10
             | 
            
                3.06
             |                     
            
                3.10
             |                                 
            
                30,900
             |            
            
                 
             |                                       
         
    
        
            | 
                8/31/2015
             | 
            
                +0.10 / +3.23%
             |             
            
                3.10
             |           
            
                3.20
             |               
            
                3.10
             |                           
            
                3.20
             | 
            
                3.10
             |                     
            
                3.20
             |                                 
            
                28,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/28/2015
             | 
            
                -0.20 / -6.06%
             |             
            
                3.20
             |           
            
                3.30
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.21
             |                     
            
                3.10
             |                                 
            
                12,200
             |            
            
                 
             |                                       
         
    
        
            | 
                8/27/2015
             | 
            
                +0.20 / +6.45%
             |             
            
                3.10
             |           
            
                3.30
             |               
            
                3.00
             |                           
            
                3.30
             | 
            
                3.08
             |                     
            
                3.30
             |                                 
            
                85,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/26/2015
             | 
            
                0.00 / 0.00%
             |             
            
                2.80
             |           
            
                3.30
             |               
            
                2.80
             |                           
            
                3.10
             | 
            
                3.09
             |                     
            
                3.10
             |                                 
            
                76,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/25/2015
             | 
            
                -0.30 / -8.82%
             |             
            
                3.20
             |           
            
                3.40
             |               
            
                3.10
             |                           
            
                3.10
             | 
            
                3.11
             |                     
            
                3.10
             |                                 
            
                74,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/24/2015
             | 
            
                -0.30 / -8.11%
             |             
            
                3.50
             |           
            
                3.50
             |               
            
                3.40
             |                           
            
                3.40
             | 
            
                3.40
             |                     
            
                3.40
             |                                 
            
                64,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/21/2015
             | 
            
                -0.20 / -5.13%
             |             
            
                3.80
             |           
            
                3.80
             |               
            
                3.60
             |                           
            
                3.70
             | 
            
                3.62
             |                     
            
                3.70
             |                                 
            
                85,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/20/2015
             | 
            
                0.00 / 0.00%
             |             
            
                3.80
             |           
            
                3.90
             |               
            
                3.70
             |                           
            
                3.90
             | 
            
                3.71
             |                     
            
                3.90
             |                                 
            
                59,800
             |            
            
                 
             |                                       
         
    
        
            | 
                8/19/2015
             | 
            
                -0.20 / -4.88%
             |             
            
                3.80
             |           
            
                3.90
             |               
            
                3.70
             |                           
            
                3.90
             | 
            
                3.76
             |                     
            
                3.90
             |                                 
            
                11,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/18/2015
             | 
            
                -0.10 / -2.38%
             |             
            
                4.00
             |           
            
                4.10
             |               
            
                3.90
             |                           
            
                4.10
             | 
            
                3.99
             |                     
            
                4.10
             |                                 
            
                7,500
             |            
            
                 
             |                                       
         
    
        
            | 
                8/17/2015
             | 
            
                +0.10 / +2.44%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.20
             |                           
            
                4.20
             | 
            
                4.20
             |                     
            
                4.20
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/14/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.00
             |           
            
                4.10
             |               
            
                3.90
             |                           
            
                4.10
             | 
            
                3.98
             |                     
            
                4.10
             |                                 
            
                25,100
             |            
            
                 
             |                                       
         
    
        
            | 
                8/13/2015
             | 
            
                -0.10 / -2.38%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.10
             | 
            
                4.11
             |                     
            
                4.10
             |                                 
            
                22,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/12/2015
             | 
            
                -0.10 / -2.33%
             |             
            
                4.20
             |           
            
                4.20
             |               
            
                4.10
             |                           
            
                4.20
             | 
            
                4.19
             |                     
            
                4.20
             |                                 
            
                62,400
             |            
            
                 
             |                                       
         
    
        
            | 
                8/11/2015
             | 
            
                -0.10 / -2.27%
             |             
            
                4.40
             |           
            
                4.40
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.40
             |                     
            
                4.30
             |                                 
            
                30,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/10/2015
             | 
            
                -0.20 / -4.35%
             |             
            
                4.40
             |           
            
                4.60
             |               
            
                4.40
             |                           
            
                4.40
             | 
            
                4.41
             |                     
            
                4.40
             |                                 
            
                32,700
             |            
            
                 
             |                                       
         
    
        
            | 
                8/7/2015
             | 
            
                +0.30 / +6.98%
             |             
            
                4.30
             |           
            
                4.60
             |               
            
                4.30
             |                           
            
                4.60
             | 
            
                4.52
             |                     
            
                4.60
             |                                 
            
                55,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/6/2015
             | 
            
                -0.20 / -4.44%
             |             
            
                4.50
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.42
             |                     
            
                4.30
             |                                 
            
                35,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/5/2015
             | 
            
                +0.20 / +4.65%
             |             
            
                4.50
             |           
            
                4.60
             |               
            
                4.30
             |                           
            
                4.50
             | 
            
                4.48
             |                     
            
                4.50
             |                                 
            
                42,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                8/4/2015
             | 
            
                -0.20 / -4.44%
             |             
            
                4.40
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.30
             | 
            
                4.35
             |                     
            
                4.30
             |                                 
            
                52,600
             |            
            
                 
             |                                       
         
    
        
            | 
                8/3/2015
             | 
            
                -0.30 / -6.25%
             |             
            
                4.90
             |           
            
                4.90
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.53
             |                     
            
                4.50
             |                                 
            
                46,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/31/2015
             | 
            
                +0.40 / +9.09%
             |             
            
                4.40
             |           
            
                4.80
             |               
            
                4.40
             |                           
            
                4.80
             | 
            
                4.74
             |                     
            
                4.80
             |                                 
            
                131,500
             |            
            
                 
             |                                       
         
    
        
            | 
                7/30/2015
             | 
            
                -0.10 / -2.22%
             |             
            
                4.30
             |           
            
                4.50
             |               
            
                4.30
             |                           
            
                4.40
             | 
            
                4.40
             |                     
            
                4.40
             |                                 
            
                63,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/29/2015
             | 
            
                -0.50 / -10.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.50
             |                           
            
                4.50
             | 
            
                4.60
             |                     
            
                4.50
             |                                 
            
                147,010
             |            
            
                 
             |                                       
         
    
        
            | 
                7/28/2015
             | 
            
                -0.20 / -3.85%
             |             
            
                5.20
             |           
            
                5.20
             |               
            
                5.00
             |                           
            
                5.00
             | 
            
                5.20
             |                     
            
                5.00
             |                                 
            
                35,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                7/27/2015
             | 
            
                0.00 / 0.00%
             |             
            
                5.20
             |           
            
                5.30
             |               
            
                5.20
             |                           
            
                5.20
             | 
            
                5.20
             |                     
            
                5.20
             |                                 
            
                39,300
             |            
            
                 
             |                                       
         
    
        
            | 
                7/24/2015
             | 
            
                -0.10 / -1.89%
             |             
            
                5.20
             |           
            
                5.40
             |               
            
                5.20
             |                           
            
                5.20
             | 
            
                5.30
             |                     
            
                5.20
             |                                 
            
                32,600
             |  
            
                 
             |                                                              
             
    
         
    
    
 |