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            | 
                    Closing price on 5/28/2019
                 |  |  
    
        |           
                
                    | Open | 108.90 |  
                    | High | 108.90 |  
                    | Low | 107.00 |  
                    | Volume | 261,830 |  
                    | Split-adjusted Price | 65.37 |  
                
             | 
 |  GAS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/28/2019 | +0.20 / +0.19% | 108.90 | 108.90 | 107.00 | 107.90 | 107.85 | 65.37 | 261,830 |   |  
            | 5/27/2019 | +1.20 / +1.13% | 107.00 | 108.10 | 106.50 | 107.70 | 107.51 | 65.24 | 196,160 |   |  			
            | 5/24/2019 | -2.60 / -2.38% | 107.00 | 109.10 | 106.50 | 106.50 | 107.77 | 64.52 | 605,650 |   |  
            | 5/23/2019 | -1.40 / -1.27% | 110.00 | 110.50 | 107.50 | 109.10 | 108.85 | 66.09 | 469,570 |   |  			
            | 5/22/2019 | -1.00 / -0.90% | 111.50 | 113.50 | 110.50 | 110.50 | 111.60 | 66.94 | 255,740 |   |  
            | 5/21/2019 | -1.50 / -1.33% | 113.00 | 113.20 | 111.30 | 111.50 | 112.34 | 67.55 | 496,200 |   |  			
            | 5/20/2019 | +2.80 / +2.54% | 110.70 | 113.00 | 110.20 | 113.00 | 111.97 | 68.45 | 445,860 |   |  
            | 5/17/2019 | +0.10 / +0.09% | 111.00 | 111.40 | 110.20 | 110.20 | 110.68 | 66.76 | 291,760 |   |  			
            | 5/16/2019 | +0.10 / +0.09% | 112.00 | 112.00 | 110.10 | 110.10 | 111.11 | 66.70 | 222,420 |   |  
            | 5/15/2019 | +1.00 / +0.92% | 109.00 | 110.80 | 109.00 | 110.00 | 110.16 | 66.64 | 308,570 |   |  			
            | 5/14/2019 | +2.40 / +2.25% | 106.50 | 109.00 | 105.80 | 109.00 | 107.16 | 66.03 | 312,120 |   |  
            | 5/13/2019 | -1.30 / -1.20% | 108.00 | 108.00 | 106.50 | 106.60 | 106.95 | 64.58 | 343,910 |   |  			
            | 5/10/2019 | +1.30 / +1.22% | 106.60 | 108.40 | 106.60 | 107.90 | 107.69 | 65.37 | 291,390 |   |  
            | 5/9/2019 | -2.40 / -2.20% | 109.00 | 109.00 | 106.40 | 106.60 | 107.26 | 64.58 | 379,300 |   |  			
            | 5/8/2019 | +0.50 / +0.46% | 108.50 | 109.50 | 106.00 | 109.00 | 107.65 | 66.03 | 442,380 |   |  
            | 5/7/2019 | +0.60 / +0.56% | 108.80 | 109.80 | 108.00 | 108.50 | 108.79 | 65.73 | 405,770 |   |  			
            | 5/6/2019 | -4.60 / -4.09% | 110.00 | 111.50 | 106.70 | 107.90 | 108.50 | 65.37 | 388,710 |   |  
            | 5/3/2019 | -1.50 / -1.32% | 112.30 | 113.90 | 111.50 | 112.50 | 112.36 | 68.15 | 208,380 |   |  			
            | 5/2/2019 | +1.20 / +1.06% | 112.00 | 114.50 | 111.90 | 114.00 | 113.30 | 69.06 | 229,350 |   |  
            | 4/26/2019 | -0.20 / -0.18% | 112.20 | 113.50 | 112.00 | 112.80 | 112.85 | 68.33 | 155,140 |   |  			
            | 4/25/2019 | +0.80 / +0.71% | 112.20 | 113.80 | 111.70 | 113.00 | 112.34 | 68.45 | 310,480 |   |  
            | 4/24/2019 | 0.00 / 0.00% | 112.00 | 114.90 | 112.00 | 112.20 | 113.82 | 67.97 | 451,460 |   |  			
            | 4/23/2019 | +3.60 / +3.31% | 110.00 | 112.90 | 109.50 | 112.20 | 111.43 | 67.97 | 743,710 |   |  
            | 4/22/2019 | +2.40 / +2.26% | 106.30 | 110.00 | 106.20 | 108.60 | 107.44 | 65.79 | 415,660 |   |  			
            | 4/19/2019 | +0.60 / +0.57% | 107.00 | 107.60 | 105.90 | 106.20 | 106.68 | 64.34 | 221,520 |   |  
            | 4/18/2019 | -1.20 / -1.12% | 106.50 | 107.00 | 105.30 | 105.60 | 105.81 | 63.97 | 265,360 |   |  			
            | 4/17/2019 | +1.50 / +1.42% | 105.40 | 107.90 | 105.40 | 106.80 | 106.88 | 64.70 | 764,240 |   |  
            | 4/16/2019 | -1.20 / -1.13% | 105.00 | 105.80 | 104.00 | 105.30 | 105.11 | 63.79 | 303,000 |   |  			
            | 4/12/2019 | +1.50 / +1.43% | 104.50 | 107.30 | 103.70 | 106.50 | 105.61 | 64.52 | 393,550 |   |  
            | 4/11/2019 | -0.20 / -0.19% | 106.20 | 106.20 | 105.00 | 105.00 | 105.11 | 63.61 | 281,390 |   |  |