| 
                 
                    Closing price on 3/7/2016
                 
             | 
            
                                
             | 
         
         
 
    
        
                      
                
                    | Open | 
                    8.30 | 
                 
                
                    | High | 
                    8.30 | 
                 
                
                    | Low | 
                    8.30 | 
                     
                
                    | Volume | 
                    2,800 | 
                                 
                
                    | Split-adjusted Price | 
                    6.43 | 
                 
             
            
            
                
             
         | 
        
            
            
             
                            
         | 
     
 
NGC Historical Quote 
        
            
                | 
                    Date
                 | 
                
                    Change
                 |                 
                
                    Open
                 |          
                
                    High
                 |            
                
                    Low
                 |                                                 
                
                    Close
                 | 
                
                    Average
                 | 
                
                    Adjusted Close
                 |                                                 
                
                    Volume
                 |     
                
                     
                 |                                       
                             
    
        			
            | 
                3/7/2016
             | 
            
                0.00 / 0.00%
             |             
            
                8.30
             |           
            
                8.30
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.30
             |                     
            
                6.43
             |                                 
            
                2,800
             |            
            
                 
             |                                       
         
    
        
            | 
                3/4/2016
             | 
            
                -0.10 / -1.19%
             |             
            
                8.40
             |           
            
                8.40
             |               
            
                8.30
             |                           
            
                8.30
             | 
            
                8.40
             |                     
            
                6.43
             |                                 
            
                35,500
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/3/2016
             | 
            
                +0.50 / +6.33%
             |             
            
                8.00
             |           
            
                8.50
             |               
            
                7.50
             |                           
            
                8.40
             | 
            
                8.37
             |                     
            
                6.51
             |                                 
            
                5,600
             |            
            
                 
             |                                       
         
    
        
            | 
                3/2/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.12
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                3/1/2016
             | 
            
                +0.70 / +9.72%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.12
             |                                 
            
                40,100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/29/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.20
             |           
            
                7.20
             |               
            
                7.20
             |                           
            
                7.20
             | 
            
                7.20
             |                     
            
                5.58
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/26/2016
             | 
            
                -0.30 / -4.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                7.00
             |                           
            
                7.20
             | 
            
                7.73
             |                     
            
                5.58
             |                                 
            
                500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/25/2016
             | 
            
                -0.50 / -6.25%
             |             
            
                8.80
             |           
            
                8.80
             |               
            
                7.30
             |                           
            
                7.50
             | 
            
                8.00
             |                     
            
                5.81
             |                                 
            
                800
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/24/2016
             | 
            
                +0.50 / +6.67%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                6.20
             |                                 
            
                1,500
             |            
            
                 
             |                                       
         
    
        
            | 
                2/23/2016
             | 
            
                -0.50 / -6.25%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                5.81
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/22/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                8.00
             |               
            
                7.50
             |                           
            
                8.00
             | 
            
                7.75
             |                     
            
                6.20
             |                                 
            
                200
             |            
            
                 
             |                                       
         
    
        
            | 
                2/19/2016
             | 
            
                +0.70 / +9.59%
             |             
            
                6.80
             |           
            
                8.00
             |               
            
                6.80
             |                           
            
                8.00
             | 
            
                7.83
             |                     
            
                6.20
             |                                 
            
                1,866
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/18/2016
             | 
            
                -0.40 / -5.19%
             |             
            
                7.30
             |           
            
                7.30
             |               
            
                7.30
             |                           
            
                7.30
             | 
            
                7.30
             |                     
            
                5.66
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                2/17/2016
             | 
            
                -0.30 / -3.75%
             |             
            
                7.20
             |           
            
                7.80
             |               
            
                7.20
             |                           
            
                7.70
             | 
            
                7.47
             |                     
            
                5.97
             |                                 
            
                600
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/16/2016
             | 
            
                0.00 / 0.00%
             |             
            
                8.00
             |           
            
                8.00
             |               
            
                8.00
             |                           
            
                8.00
             | 
            
                8.00
             |                     
            
                6.20
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/15/2016
             | 
            
                +0.50 / +6.67%
             |             
            
                6.80
             |           
            
                8.00
             |               
            
                6.80
             |                           
            
                8.00
             | 
            
                7.20
             |                     
            
                6.20
             |                                 
            
                300
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/5/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                5.81
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/4/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                5.81
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/3/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                5.81
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                2/2/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                5.81
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                2/1/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                5.81
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                1/29/2016
             | 
            
                -0.40 / -5.06%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.50
             |                           
            
                7.50
             | 
            
                7.50
             |                     
            
                5.81
             |                                 
            
                3,400
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/28/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.12
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                1/27/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.12
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/26/2016
             | 
            
                +0.20 / +2.60%
             |             
            
                7.90
             |           
            
                7.90
             |               
            
                7.90
             |                           
            
                7.90
             | 
            
                7.90
             |                     
            
                6.12
             |                                 
            
                100
             |            
            
                 
             |                                       
         
    
        
            | 
                1/25/2016
             | 
            
                +0.70 / +10.00%
             |             
            
                7.70
             |           
            
                7.70
             |               
            
                7.70
             |                           
            
                7.70
             | 
            
                7.70
             |                     
            
                5.97
             |                                 
            
                100
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/22/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.00
             |           
            
                7.00
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.00
             |                     
            
                5.43
             |                                 
            
                0
             |            
            
                 
             |                                       
         
    
        
            | 
                1/21/2016
             | 
            
                -0.60 / -7.89%
             |             
            
                7.50
             |           
            
                7.50
             |               
            
                7.00
             |                           
            
                7.00
             | 
            
                7.07
             |                     
            
                5.43
             |                                 
            
                9,000
             |  
            
                 
             |                                                              
             
    
        			
            | 
                1/20/2016
             | 
            
                -0.20 / -2.56%
             |             
            
                7.60
             |           
            
                7.60
             |               
            
                7.60
             |                           
            
                7.60
             | 
            
                7.60
             |                     
            
                5.89
             |                                 
            
                2,000
             |            
            
                 
             |                                       
         
    
        
            | 
                1/19/2016
             | 
            
                0.00 / 0.00%
             |             
            
                7.80
             |           
            
                7.80
             |               
            
                7.80
             |                           
            
                7.80
             | 
            
                7.80
             |                     
            
                6.05
             |                                 
            
                0
             |  
            
                 
             |                                                              
             
    
         
    
    
 |