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            | 
                    Closing price on 1/14/2019
                 |  |  
    
        |           
                
                    | Open | 90.80 |  
                    | High | 90.80 |  
                    | Low | 89.00 |  
                    | Volume | 410,320 |  
                    | Split-adjusted Price | 53.16 |  
                
             | 
 |  GAS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/14/2019 | -1.50 / -1.65% | 90.80 | 90.80 | 89.00 | 89.50 | 89.60 | 53.16 | 410,320 |   |  
            | 1/11/2019 | -0.30 / -0.33% | 91.40 | 91.70 | 90.10 | 91.00 | 91.09 | 54.05 | 338,400 |   |  			
            | 1/10/2019 | +1.40 / +1.56% | 90.90 | 92.20 | 90.50 | 91.30 | 91.53 | 54.23 | 685,580 |   |  
            | 1/9/2019 | +1.60 / +1.81% | 89.70 | 90.40 | 89.00 | 89.90 | 89.90 | 53.40 | 515,500 |   |  			
            | 1/8/2019 | +2.00 / +2.32% | 86.30 | 88.70 | 86.30 | 88.30 | 87.65 | 52.45 | 600,270 |   |  
            | 1/7/2019 | +1.80 / +2.13% | 86.50 | 87.30 | 85.50 | 86.30 | 86.53 | 51.26 | 255,840 |   |  			
            | 1/4/2019 | -0.20 / -0.24% | 83.80 | 85.50 | 82.40 | 84.50 | 84.31 | 50.19 | 336,550 |   |  
            | 1/3/2019 | -2.10 / -2.42% | 86.50 | 87.00 | 84.00 | 84.70 | 85.85 | 50.31 | 506,420 |   |  			
            | 1/2/2019 | +0.20 / +0.23% | 86.10 | 86.90 | 86.10 | 86.80 | 86.73 | 51.56 | 417,520 |   |  
            | 12/28/2018 | +0.10 / +0.12% | 86.50 | 87.10 | 85.20 | 86.60 | 86.52 | 51.44 | 351,010 |   |  			
            | 12/27/2018 | +3.50 / +4.22% | 87.00 | 87.70 | 85.80 | 86.50 | 86.94 | 51.38 | 555,700 |   |  
            | 12/26/2018 | -2.80 / -3.26% | 85.80 | 86.40 | 82.40 | 83.00 | 84.25 | 49.30 | 719,770 |   |  			
            | 12/25/2018 | -3.20 / -3.60% | 84.50 | 86.50 | 83.50 | 85.80 | 84.86 | 50.96 | 758,570 |   |  
            | 12/24/2018 | -2.70 / -2.94% | 91.10 | 91.30 | 89.00 | 89.00 | 90.11 | 52.86 | 718,380 |   |  			
            | 12/21/2018 | -1.80 / -1.93% | 92.00 | 92.40 | 91.00 | 91.70 | 91.84 | 54.47 | 208,950 |   |  
            | 12/20/2018 | +1.50 / +1.63% | 91.60 | 93.50 | 91.60 | 93.50 | 92.62 | 55.53 | 303,240 |   |  			
            | 12/19/2018 | -1.50 / -1.60% | 93.50 | 93.50 | 90.50 | 92.00 | 91.54 | 54.64 | 802,830 |   |  
            | 12/18/2018 | +0.50 / +0.54% | 91.00 | 93.50 | 90.80 | 93.50 | 91.78 | 55.53 | 818,850 |   |  			
            | 12/17/2018 | -2.80 / -2.92% | 95.80 | 95.80 | 93.00 | 93.00 | 94.12 | 55.24 | 805,870 |   |  
            | 12/14/2018 | -1.30 / -1.34% | 97.30 | 98.00 | 95.50 | 95.80 | 97.10 | 56.90 | 584,180 |   |  			
            | 12/13/2018 | +0.10 / +0.10% | 97.00 | 98.40 | 96.80 | 97.10 | 97.52 | 57.67 | 644,140 |   |  
            | 12/12/2018 | +0.90 / +0.94% | 96.10 | 97.60 | 96.10 | 97.00 | 96.97 | 57.61 | 466,030 |   |  			
            | 12/11/2018 | -1.60 / -1.64% | 97.00 | 97.30 | 96.00 | 96.10 | 96.54 | 57.08 | 613,810 |   |  
            | 12/10/2018 | +1.40 / +1.45% | 96.50 | 99.00 | 96.20 | 97.70 | 97.36 | 58.03 | 1,017,190 |   |  			
            | 12/7/2018 | +1.20 / +1.26% | 95.00 | 96.80 | 95.00 | 96.30 | 95.87 | 57.20 | 936,130 |   |  
            | 12/6/2018 | -1.00 / -1.04% | 95.50 | 96.90 | 94.20 | 95.10 | 95.31 | 56.48 | 831,270 |   |  			
            | 12/5/2018 | -0.40 / -0.41% | 95.50 | 96.50 | 94.50 | 96.10 | 95.61 | 57.08 | 831,030 |   |  
            | 12/4/2018 | -0.50 / -0.52% | 97.00 | 97.50 | 95.50 | 96.50 | 96.39 | 57.32 | 850,850 |   |  			
            | 12/3/2018 | +6.20 / +6.83% | 94.00 | 97.00 | 93.20 | 97.00 | 94.87 | 57.61 | 1,357,490 |   |  
            | 11/30/2018 | +0.70 / +0.78% | 90.20 | 91.20 | 89.70 | 90.80 | 90.42 | 53.93 | 437,560 |   |  |