| 
                 
                    Closing price on 5/6/2015
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    5.00 | 
                 
                
                    | High | 
                    5.00 | 
                 
                
                    | Low | 
                    4.90 | 
                     
                
                    | Volume | 
                    25,700 | 
                                 
                
                    | Split-adjusted Price | 
                    4.90 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NDF Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                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
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/16/2015
             | 
            
                -0.20 / -2.56%
             |             
            
                7.70
             |           
            
                7.80
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.71
             |                     
            
                7.60
             |                                 
            
                46,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/15/2015
             | 
            
                -0.10 / -1.27%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.70
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                7.80
             |                                 
            
                47,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/14/2015
             | 
            
                +0.10 / +1.28%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.80
             |                           
            
                7.90
             | 
            
                7.83
             |                     
            
                7.90
             |                                 
            
                42,820
             |            
            
                 
             |                                       
         
    
        
            | 
                4/13/2015
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.90
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.83
             |                     
            
                7.80
             |                                 
            
                48,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/10/2015
             | 
            
                -0.20 / -2.50%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.94
             |                     
            
                7.80
             |                                 
            
                48,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/9/2015
             | 
            
                +0.20 / +2.56%
             |             
            
                7.80
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                8.00
             | 
            
                7.85
             |                     
            
                8.00
             |                                 
            
                79,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/8/2015
             | 
            
                -0.10 / -1.27%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.84
             |                     
            
                7.80
             |                                 
            
                14,800
             |            
            
                 
             |                                       
         
    
        
            | 
                4/7/2015
             | 
            
                0.00 / 0.00%
             |             
            
                7.70
             |           
            
                8.00
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                7.80
             |                     
            
                7.90
             |                                 
            
                100,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/6/2015
             | 
            
                -0.20 / -2.47%
             |             
            
                7.70
             |           
            
                8.30
             |               
            
                7.70
             |                           
            
                7.90
             | 
            
                8.07
             |                     
            
                7.90
             |                                 
            
                64,400
             |            
            
                 
             |                                       
         
    
        
            | 
                4/3/2015
             | 
            
                -0.40 / -4.71%
             |             
            
                8.60
             |           
            
                8.60
             |               
            
                8.00
             |                           
            
                8.10
             | 
            
                8.11
             |                     
            
                8.10
             |                                 
            
                85,100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/2/2015
             | 
            
                +0.40 / +4.94%
             |             
            
                8.00
             |           
            
                8.50
             |               
            
                7.60
             |                           
            
                8.50
             | 
            
                7.83
             |                     
            
                8.50
             |                                 
            
                273,050
             |            
            
                 
             |                                       
         
    
        
            | 
                4/1/2015
             | 
            
                -0.80 / -8.99%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.37
             |                     
            
                8.10
             |                                 
            
                81,800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/31/2015
             | 
            
                +0.30 / +3.49%
             |             
            
                8.80
             |           
            
                9.00
             |               
            
                8.60
             |                           
            
                8.90
             | 
            
                8.75
             |                     
            
                8.90
             |                                 
            
                162,300
             |            
            
                 
             |                                       
         
    
        
            | 
                3/30/2015
             | 
            
                -0.70 / -7.53%
             |             
            
                9.20
             |           
            
                9.20
             |               
            
                8.60
             |                           
            
                8.60
             | 
            
                9.05
             |                     
            
                8.60
             |                                 
            
                263,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/27/2015
             | 
            
                -0.10 / -1.06%
             |             
            
                9.20
             |           
            
                9.30
             |               
            
                9.00
             |                           
            
                9.30
             | 
            
                9.09
             |                     
            
                9.30
             |                                 
            
                125,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/26/2015
             | 
            
                0.00 / 0.00%
             |             
            
                9.40
             |           
            
                9.50
             |               
            
                9.00
             |                           
            
                9.40
             | 
            
                9.16
             |                     
            
                9.40
             |                                 
            
                10,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/25/2015
             | 
            
                +0.10 / +1.08%
             |             
            
                9.30
             |           
            
                9.40
             |               
            
                9.20
             |                           
            
                9.40
             | 
            
                9.21
             |                     
            
                9.40
             |                                 
            
                44,200
             |            
            
                 
             |                                       
         
    
        
            | 
                3/24/2015
             | 
            
                0.00 / 0.00%
             |             
            
                9.20
             |           
            
                9.40
             |               
            
                9.20
             |                           
            
                9.30
             | 
            
                9.28
             |                     
            
                9.30
             |                                 
            
                112,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/23/2015
             | 
            
                -0.20 / -2.11%
             |             
            
                9.80
             |           
            
                9.80
             |               
            
                9.30
             |                           
            
                9.30
             | 
            
                9.37
             |                     
            
                9.30
             |                                 
            
                65,400
             |            
            
                 
             |                                       
         
    
        
            | 
                3/20/2015
             | 
            
                -0.10 / -1.04%
             |             
            
                9.70
             |           
            
                9.70
             |               
            
                9.40
             |                           
            
                9.50
             | 
            
                9.57
             |                     
            
                9.50
             |                                 
            
                81,400
             |  
            
                 
             |                                                              
             
    
         
    
    
 |