| 
                 
                    Closing price on 6/3/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    6.10 | 
                 
                
                    | High | 
                    6.30 | 
                 
                
                    | Low | 
                    6.10 | 
                     
                
                    | Volume | 
                    32,600 | 
                                 
                
                    | Split-adjusted Price | 
                    6.20 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NDF Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/14/2015
             | 
            
                -0.30 / -4.41%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.50
             |                           
            
                6.50
             | 
            
                6.66
             |                     
            
                6.50
             |                                 
            
                59,100
             |            
            
                 
             |                                       
         
    
        
            | 
                5/13/2015
             | 
            
                +0.50 / +7.94%
             |             
            
                6.90
             |           
            
                6.90
             |               
            
                6.50
             |                           
            
                6.80
             | 
            
                6.83
             |                     
            
                6.80
             |                                 
            
                207,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/12/2015
             | 
            
                +0.50 / +8.62%
             |             
            
                6.30
             |           
            
                6.30
             |               
            
                6.30
             |                           
            
                6.30
             | 
            
                6.30
             |                     
            
                6.30
             |                                 
            
                96,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/11/2015
             | 
            
                +0.50 / +9.43%
             |             
            
                5.70
             |           
            
                5.80
             |               
            
                5.60
             |                           
            
                5.80
             | 
            
                5.72
             |                     
            
                5.80
             |                                 
            
                54,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/8/2015
             | 
            
                +0.40 / +8.16%
             |             
            
                4.90
             |           
            
                5.30
             |               
            
                4.90
             |                           
            
                5.30
             | 
            
                5.11
             |                     
            
                5.30
             |                                 
            
                42,800
             |            
            
                 
             |                                       
         
    
        
            | 
                5/7/2015
             | 
            
                0.00 / 0.00%
             |             
            
                4.80
             |           
            
                5.10
             |               
            
                4.70
             |                           
            
                4.90
             | 
            
                4.93
             |                     
            
                4.90
             |                                 
            
                46,300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2015
             | 
            
                -0.10 / -2.00%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.90
             |                           
            
                4.90
             | 
            
                4.96
             |                     
            
                4.90
             |                                 
            
                25,700
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2015
             | 
            
                -0.30 / -5.66%
             |             
            
                5.00
             |           
            
                5.00
             |               
            
                4.80
             |                           
            
                5.00
             | 
            
                4.87
             |                     
            
                5.00
             |                                 
            
                64,200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2015
             | 
            
                -0.50 / -8.62%
             |             
            
                5.70
             |           
            
                6.00
             |               
            
                5.30
             |                           
            
                5.30
             | 
            
                5.42
             |                     
            
                5.30
             |                                 
            
                66,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2015
             | 
            
                -0.50 / -7.94%
             |             
            
                6.10
             |           
            
                6.80
             |               
            
                5.80
             |                           
            
                5.80
             | 
            
                6.19
             |                     
            
                5.80
             |                                 
            
                44,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/24/2015
             | 
            
                -0.40 / -5.97%
             |             
            
                6.60
             |           
            
                6.60
             |               
            
                6.10
             |                           
            
                6.30
             | 
            
                6.14
             |                     
            
                6.30
             |                                 
            
                141,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/23/2015
             | 
            
                -0.70 / -9.46%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                6.70
             |                           
            
                6.70
             | 
            
                6.74
             |                     
            
                6.70
             |                                 
            
                292,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2015
             | 
            
                -0.30 / -3.90%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.40
             |                           
            
                7.40
             | 
            
                7.59
             |                     
            
                7.40
             |                                 
            
                4,900
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2015
             | 
            
                +0.10 / +1.32%
             |             
            
                7.40
             |           
            
                7.90
             |               
            
                7.30
             |                           
            
                7.70
             | 
            
                7.41
             |                     
            
                7.70
             |                                 
            
                44,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2015
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.40
             |                           
            
                7.60
             | 
            
                7.53
             |                     
            
                7.60
             |                                 
            
                21,330
             |            
            
                 
             |                                       
         
    
        
            | 
                4/17/2015
             | 
            
                0.00 / 0.00%
             |             
            
                7.60
             |           
            
                7.70
             |               
            
                7.50
             |                           
            
                7.60
             | 
            
                7.59
             |                     
            
                7.60
             |                                 
            
                58,200
             |  
            
                 
             |                                                              
             
    
         
    
    
 |