| 
                 
                    Closing price on 5/10/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    7.90 | 
                 
                
                    | High | 
                    8.10 | 
                 
                
                    | Low | 
                    7.90 | 
                     
                
                    | Volume | 
                    600 | 
                                 
                
                    | Split-adjusted Price | 
                    7.03 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NGC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                5/10/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                8.10
             |               
            
                7.90
             |                           
            
                8.10
             | 
            
                7.93
             |                     
            
                7.03
             |                                 
            
                600
             |            
            
                 
             |                                       
         
    
        
            | 
                5/9/2016
             | 
            
                +0.20 / +2.53%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                7.03
             |                                 
            
                200
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/6/2016
             | 
            
                -0.10 / -1.25%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.85
             |                                 
            
                4,900
             |            
            
                 
             |                                       
         
    
        
            | 
                5/5/2016
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                6.94
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                5/4/2016
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                6.94
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/29/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                8.00
             | 
            
                7.91
             |                     
            
                6.94
             |                                 
            
                3,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/28/2016
             | 
            
                -0.50 / -5.88%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                6.94
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                4/27/2016
             | 
            
                0.00 / 0.00%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                7.37
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/26/2016
             | 
            
                +0.40 / +4.94%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                7.37
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/25/2016
             | 
            
                -0.70 / -7.95%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                7.03
             |                                 
            
                2,700
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/22/2016
             | 
            
                +0.30 / +3.53%
             |             
            
                8.70
             |           
            
                8.80
             |               
            
                8.70
             |                           
            
                8.80
             | 
            
                8.79
             |                     
            
                7.63
             |                                 
            
                1,033
             |            
            
                 
             |                                       
         
    
        
            | 
                4/21/2016
             | 
            
                0.00 / 0.00%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                7.37
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/20/2016
             | 
            
                0.00 / 0.00%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                7.37
             |                                 
            
                300
             |            
            
                 
             |                                       
         
    
        
            | 
                4/19/2016
             | 
            
                +0.30 / +3.66%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                7.37
             |                                 
            
                1,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/15/2016
             | 
            
                +0.40 / +5.13%
             |             
            
                8.10
             |           
            
                8.20
             |               
            
                7.70
             |                           
            
                8.20
             | 
            
                8.15
             |                     
            
                7.11
             |                                 
            
                2,200
             |            
            
                 
             |                                       
         
    
        
            | 
                4/14/2016
             | 
            
                -0.70 / -8.24%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                6.77
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/13/2016
             | 
            
                0.00 / 0.00%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                8.50
             |                           
            
                8.50
             | 
            
                8.50
             |                     
            
                7.37
             |                                 
            
                66
             |            
            
                 
             |                                       
         
    
        
            | 
                4/12/2016
             | 
            
                0.00 / 0.00%
             |             
            
                8.30
             |           
            
                8.50
             |               
            
                8.30
             |                           
            
                8.50
             | 
            
                8.47
             |                     
            
                7.37
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/11/2016
             | 
            
                +0.20 / +2.41%
             |             
            
                8.50
             |           
            
                8.50
             |               
            
                7.50
             |                           
            
                8.50
             | 
            
                7.91
             |                     
            
                7.37
             |                                 
            
                1,923
             |            
            
                 
             |                                       
         
    
        
            | 
                4/8/2016
             | 
            
                0.00 / 0.00%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                7.20
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/7/2016
             | 
            
                0.00 / 0.00%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                7.20
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/6/2016
             | 
            
                0.00 / 0.00%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                7.20
             |                                 
            
                10
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/5/2016
             | 
            
                0.00 / 0.00%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                7.20
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                4/4/2016
             | 
            
                0.00 / 0.00%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                7.20
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                4/1/2016
             | 
            
                0.00 / 0.00%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                7.20
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                3/31/2016
             | 
            
                +0.40 / +5.06%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                7.20
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/30/2016
             | 
            
                +0.60 / +8.22%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.91
             |                     
            
                6.85
             |                                 
            
                1,100
             |            
            
                 
             |                                       
         
    
        
            | 
                3/29/2016
             | 
            
                -0.80 / -9.88%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                6.33
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/28/2016
             | 
            
                -0.90 / -10.00%
             |             
            
                8.10
             |           
            
                8.10
             |               
            
                8.10
             |                           
            
                8.10
             | 
            
                8.10
             |                     
            
                7.03
             |                                 
            
                1,000
             |            
            
                 
             |                                       
         
    
        
            | 
                3/25/2016
             | 
            
                0.00 / 0.00%
             |             
            
                9.00
             |           
            
                9.00
             |               
            
                9.00
             |                           
            
                9.00
             | 
            
                9.00
             |                     
            
                7.81
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |