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            | 
                    Closing price on 1/17/2020
                 |  |  
    
        |           
                
                    | Open | 23.95 |  
                    | High | 24.95 |  
                    | Low | 23.70 |  
                    | Volume | 14,580 |  
                    | Split-adjusted Price | 12.77 |  
                
             | 
 |  CNG Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/17/2020 | -1.00 / -4.05% | 23.95 | 24.95 | 23.70 | 23.70 | 23.87 | 12.77 | 14,580 |   |  
            | 1/16/2020 | +0.20 / +0.82% | 24.95 | 24.95 | 24.70 | 24.70 | 24.83 | 13.31 | 40 |   |  			
            | 1/15/2020 | -0.40 / -1.61% | 24.50 | 24.50 | 24.50 | 24.50 | 24.50 | 13.21 | 1,050 |   |  
            | 1/14/2020 | +0.40 / +1.63% | 24.00 | 25.50 | 24.00 | 24.90 | 24.07 | 13.42 | 3,780 |   |  			
            | 1/13/2020 | -0.30 / -1.21% | 24.50 | 24.50 | 23.70 | 24.50 | 24.30 | 13.21 | 7,940 |   |  
            | 1/10/2020 | +0.20 / +0.81% | 26.20 | 26.20 | 24.50 | 24.80 | 24.54 | 13.37 | 11,900 |   |  			
            | 1/9/2020 | -0.30 / -1.20% | 24.50 | 24.60 | 24.50 | 24.60 | 24.55 | 13.26 | 6,600 |   |  
            | 1/8/2020 | 0.00 / 0.00% | 24.90 | 24.90 | 23.95 | 24.90 | 24.63 | 13.42 | 8,080 |   |  			
            | 1/7/2020 | +0.40 / +1.63% | 24.90 | 24.90 | 24.90 | 24.90 | 24.90 | 13.42 | 1,580 |   |  
            | 1/6/2020 | -0.10 / -0.41% | 25.00 | 25.00 | 24.50 | 24.50 | 24.66 | 13.21 | 9,610 |   |  			
            | 1/3/2020 | -0.20 / -0.81% | 24.65 | 24.75 | 24.60 | 24.60 | 24.62 | 13.26 | 21,080 |   |  
            | 1/2/2020 | -0.20 / -0.80% | 24.60 | 24.85 | 24.60 | 24.80 | 24.63 | 13.37 | 15,590 |   |  			
            | 12/31/2019 | +0.60 / +2.46% | 24.40 | 25.00 | 23.80 | 25.00 | 24.58 | 13.48 | 63,350 |   |  
            | 12/30/2019 | +0.50 / +2.09% | 23.90 | 24.40 | 23.40 | 24.40 | 23.98 | 13.15 | 27,770 |   |  			
            | 12/27/2019 | -0.05 / -0.21% | 23.55 | 23.90 | 23.55 | 23.90 | 23.73 | 12.88 | 130 |   |  
            | 12/26/2019 | 0.00 / 0.00% | 23.55 | 23.95 | 23.55 | 23.95 | 23.75 | 12.91 | 130 |   |  			
            | 12/25/2019 | -0.05 / -0.21% | 24.00 | 24.00 | 23.50 | 23.95 | 23.68 | 12.91 | 123,210 |   |  
            | 12/24/2019 | +0.75 / +3.23% | 23.25 | 24.45 | 23.25 | 24.00 | 23.67 | 12.94 | 5,620 |   |  			
            | 12/23/2019 | 0.00 / 0.00% | 23.30 | 23.35 | 23.25 | 23.25 | 23.29 | 12.53 | 8,480 |   |  
            | 12/20/2019 | -0.10 / -0.43% | 23.40 | 23.40 | 23.25 | 23.25 | 23.33 | 12.53 | 121,350 |   |  			
            | 12/19/2019 | 0.00 / 0.00% | 23.35 | 23.35 | 23.35 | 23.35 | 23.35 | 12.59 | 10 |   |  
            | 12/18/2019 | 0.00 / 0.00% | 23.40 | 23.40 | 23.35 | 23.35 | 23.39 | 12.59 | 5,730 |   |  			
            | 12/17/2019 | -0.05 / -0.21% | 23.40 | 23.40 | 23.35 | 23.35 | 23.38 | 12.59 | 11,530 |   |  
            | 12/16/2019 | +0.05 / +0.21% | 23.20 | 23.40 | 23.20 | 23.40 | 23.26 | 12.61 | 9,760 |   |  			
            | 12/13/2019 | +0.05 / +0.21% | 23.30 | 23.35 | 23.30 | 23.35 | 23.33 | 12.59 | 42,320 |   |  
            | 12/12/2019 | +0.25 / +1.08% | 23.05 | 23.30 | 23.05 | 23.30 | 23.08 | 12.56 | 6,630 |   |  			
            | 12/11/2019 | +0.05 / +0.22% | 23.10 | 23.15 | 23.00 | 23.05 | 23.05 | 12.42 | 35,710 |   |  
            | 12/10/2019 | 0.00 / 0.00% | 23.00 | 23.10 | 23.00 | 23.00 | 23.02 | 12.40 | 7,690 |   |  			
            | 12/9/2019 | 0.00 / 0.00% | 23.00 | 23.00 | 23.00 | 23.00 | 23.00 | 12.40 | 6,000 |   |  
            | 12/6/2019 | -0.05 / -0.22% | 23.05 | 23.05 | 23.00 | 23.00 | 23.03 | 12.40 | 1,710 |   |  |