| 
                 
                    Closing price on 6/25/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.30 | 
                 
                
                    | High | 
                    6.30 | 
                 
                
                    | Low | 
                    6.20 | 
                     
                
                    | Volume | 
                    58,410 | 
                                 
                
                    | Split-adjusted Price | 
                    6.20 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NDF Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                6/25/2015
             | 
            
                -0.20 / -3.13%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.21
             |                     
            
                6.20
             |                                 
            
                58,410
             |            
            
                 
             |                                       
         
    
        
            | 
                6/24/2015
             | 
            
                -0.10 / -1.54%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.30
             |                           
            
                6.40
             | 
            
                6.33
             |                     
            
                6.40
             |                                 
            
                39,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/23/2015
             | 
            
                -0.20 / -2.99%
             |             
            
                6.50
             |           
            
                6.70
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.52
             |                     
            
                6.50
             |                                 
            
                29,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/22/2015
             | 
            
                +0.20 / +3.08%
             |             
            
                6.50
             |           
            
                6.70
             |               
            
                6.30
             |                           
            
                6.70
             | 
            
                6.52
             |                     
            
                6.70
             |                                 
            
                22,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/19/2015
             | 
            
                -0.20 / -2.99%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.30
             |                           
            
                6.50
             | 
            
                6.52
             |                     
            
                6.50
             |                                 
            
                53,400
             |            
            
                 
             |                                       
         
    
        
            | 
                6/18/2015
             | 
            
                -0.10 / -1.47%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                6.60
             |                           
            
                6.70
             | 
            
                6.74
             |                     
            
                6.70
             |                                 
            
                39,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/17/2015
             | 
            
                -0.30 / -4.23%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.60
             |                           
            
                6.80
             | 
            
                6.72
             |                     
            
                6.80
             |                                 
            
                20,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/16/2015
             | 
            
                +0.30 / +4.41%
             |             
            
                7.30
             |           
            
                7.40
             |               
            
                7.00
             |                           
            
                7.10
             | 
            
                7.27
             |                     
            
                7.10
             |                                 
            
                181,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/15/2015
             | 
            
                +0.60 / +9.68%
             |             
            
                6.30
             |           
            
                6.80
             |               
            
                6.30
             |                           
            
                6.80
             | 
            
                6.63
             |                     
            
                6.80
             |                                 
            
                126,100
             |            
            
                 
             |                                       
         
    
        
            | 
                6/12/2015
             | 
            
                -0.10 / -1.59%
             |             
            
                6.40
             |           
            
                6.40
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.28
             |                     
            
                6.20
             |                                 
            
                70,600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/11/2015
             | 
            
                -0.20 / -3.08%
             |             
            
                6.30
             |           
            
                6.40
             |               
            
                6.10
             |                           
            
                6.30
             | 
            
                6.21
             |                     
            
                6.30
             |                                 
            
                29,300
             |            
            
                 
             |                                       
         
    
        
            | 
                6/10/2015
             | 
            
                +0.30 / +4.84%
             |             
            
                6.20
             |           
            
                6.50
             |               
            
                6.10
             |                           
            
                6.50
             | 
            
                6.20
             |                     
            
                6.50
             |                                 
            
                96,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/9/2015
             | 
            
                -0.40 / -6.06%
             |             
            
                6.60
             |           
            
                6.70
             |               
            
                6.20
             |                           
            
                6.20
             | 
            
                6.36
             |                     
            
                6.20
             |                                 
            
                106,200
             |            
            
                 
             |                                       
         
    
        
            | 
                6/8/2015
             | 
            
                -0.30 / -4.35%
             |             
            
                6.90
             |           
            
                7.10
             |               
            
                6.30
             |                           
            
                6.60
             | 
            
                6.69
             |                     
            
                6.60
             |                                 
            
                62,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/5/2015
             | 
            
                +0.50 / +7.81%
             |             
            
                6.50
             |           
            
                7.00
             |               
            
                6.50
             |                           
            
                6.90
             | 
            
                6.76
             |                     
            
                6.90
             |                                 
            
                136,500
             |            
            
                 
             |                                       
         
    
        
            | 
                6/4/2015
             | 
            
                +0.20 / +3.23%
             |             
            
                6.30
             |           
            
                6.50
             |               
            
                6.30
             |                           
            
                6.40
             | 
            
                6.43
             |                     
            
                6.40
             |                                 
            
                18,900
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/3/2015
             | 
            
                +0.10 / +1.64%
             |             
            
                6.10
             |           
            
                6.30
             |               
            
                6.10
             |                           
            
                6.20
             | 
            
                6.23
             |                     
            
                6.20
             |                                 
            
                32,600
             |            
            
                 
             |                                       
         
    
        
            | 
                6/2/2015
             | 
            
                -0.30 / -4.69%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.00
             |                           
            
                6.10
             | 
            
                6.18
             |                     
            
                6.10
             |                                 
            
                14,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                6/1/2015
             | 
            
                +0.10 / +1.59%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.10
             |                           
            
                6.40
             | 
            
                6.31
             |                     
            
                6.40
             |                                 
            
                38,400
             |            
            
                 
             |                                       
         
    
        
            | 
                5/29/2015
             | 
            
                -0.20 / -3.08%
             |             
            
                6.50
             |           
            
                6.70
             |               
            
                6.20
             |                           
            
                6.30
             | 
            
                6.34
             |                     
            
                6.30
             |                                 
            
                21,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/28/2015
             | 
            
                -0.40 / -5.80%
             |             
            
                6.50
             |           
            
                6.80
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.55
             |                     
            
                6.50
             |                                 
            
                65,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/27/2015
             | 
            
                0.00 / 0.00%
             |             
            
                6.80
             |           
            
                6.90
             |               
            
                6.40
             |                           
            
                6.90
             | 
            
                6.55
             |                     
            
                6.90
             |                                 
            
                28,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/26/2015
             | 
            
                +0.30 / +4.55%
             |             
            
                6.70
             |           
            
                7.20
             |               
            
                6.70
             |                           
            
                6.90
             | 
            
                6.93
             |                     
            
                6.90
             |                                 
            
                85,610
             |            
            
                 
             |                                       
         
    
        
            | 
                5/25/2015
             | 
            
                +0.60 / +10.00%
             |             
            
                6.10
             |           
            
                6.60
             |               
            
                6.10
             |                           
            
                6.60
             | 
            
                6.30
             |                     
            
                6.60
             |                                 
            
                80,610
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/22/2015
             | 
            
                +0.20 / +3.45%
             |             
            
                5.80
             |           
            
                6.10
             |               
            
                5.60
             |                           
            
                6.00
             | 
            
                5.85
             |                     
            
                6.00
             |                                 
            
                71,300
             |            
            
                 
             |                                       
         
    
        
            | 
                5/21/2015
             | 
            
                +0.20 / +3.57%
             |             
            
                5.80
             |           
            
                5.90
             |               
            
                5.60
             |                           
            
                5.80
             | 
            
                5.66
             |                     
            
                5.80
             |                                 
            
                22,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/20/2015
             | 
            
                0.00 / 0.00%
             |             
            
                5.70
             |           
            
                6.00
             |               
            
                5.60
             |                           
            
                5.60
             | 
            
                5.86
             |                     
            
                5.60
             |                                 
            
                26,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/19/2015
             | 
            
                -0.10 / -1.75%
             |             
            
                5.20
             |           
            
                5.60
             |               
            
                5.20
             |                           
            
                5.60
             | 
            
                5.33
             |                     
            
                5.60
             |                                 
            
                60,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/18/2015
             | 
            
                -0.60 / -9.52%
             |             
            
                5.70
             |           
            
                5.80
             |               
            
                5.70
             |                           
            
                5.70
             | 
            
                5.71
             |                     
            
                5.70
             |                                 
            
                53,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/15/2015
             | 
            
                -0.20 / -3.08%
             |             
            
                6.50
             |           
            
                6.50
             |               
            
                6.10
             |                           
            
                6.30
             | 
            
                6.40
             |                     
            
                6.30
             |                                 
            
                52,300
             |  
            
                 
             |                                                              
             
    
         
    
    
 |