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            | 
                    Closing price on 8/26/2019
                 |  |  
    
        |           
                
                    | Open | 102.60 |  
                    | High | 103.00 |  
                    | Low | 101.00 |  
                    | Volume | 518,030 |  
                    | Split-adjusted Price | 61.49 |  
                
             | 
 |  GAS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/26/2019 | -2.50 / -2.40% | 102.60 | 103.00 | 101.00 | 101.50 | 101.71 | 61.49 | 518,030 |   |  
            | 8/23/2019 | -0.60 / -0.57% | 105.00 | 105.00 | 102.90 | 104.00 | 103.75 | 63.00 | 293,260 |   |  			
            | 8/22/2019 | -0.60 / -0.57% | 105.40 | 105.40 | 104.00 | 104.60 | 104.45 | 63.37 | 284,870 |   |  
            | 8/21/2019 | +2.20 / +2.14% | 103.50 | 105.70 | 103.20 | 105.20 | 104.74 | 63.73 | 495,360 |   |  			
            | 8/20/2019 | +1.20 / +1.18% | 102.50 | 103.30 | 102.30 | 103.00 | 102.72 | 62.40 | 315,690 |   |  
            | 8/19/2019 | +0.90 / +0.89% | 102.00 | 102.50 | 101.00 | 101.80 | 101.81 | 61.67 | 177,900 |   |  			
            | 8/16/2019 | 0.00 / 0.00% | 100.80 | 101.80 | 100.60 | 100.90 | 101.09 | 61.12 | 373,200 |   |  
            | 8/15/2019 | 0.00 / 0.00% | 99.00 | 100.90 | 98.70 | 100.90 | 99.92 | 61.12 | 266,470 |   |  			
            | 8/14/2019 | +0.90 / +0.90% | 102.50 | 102.50 | 100.50 | 100.90 | 101.10 | 61.12 | 163,970 |   |  
            | 8/13/2019 | -2.00 / -1.96% | 101.10 | 101.80 | 99.90 | 100.00 | 100.22 | 60.58 | 599,630 |   |  			
            | 8/12/2019 | +0.70 / +0.69% | 102.20 | 103.00 | 102.00 | 102.00 | 102.50 | 61.79 | 207,340 |   |  
            | 8/9/2019 | +0.30 / +0.30% | 101.20 | 102.50 | 101.10 | 101.30 | 101.55 | 61.37 | 170,690 |   |  			
            | 8/8/2019 | +0.50 / +0.50% | 100.10 | 103.50 | 99.40 | 101.00 | 100.72 | 61.19 | 397,340 |   |  
            | 8/7/2019 | -1.50 / -1.47% | 102.90 | 103.00 | 99.90 | 100.50 | 101.26 | 60.88 | 217,060 |   |  			
            | 8/6/2019 | -2.00 / -1.92% | 101.20 | 103.00 | 100.00 | 102.00 | 101.51 | 61.79 | 409,620 |   |  
            | 8/5/2019 | -2.00 / -1.89% | 105.60 | 106.00 | 103.90 | 104.00 | 104.34 | 63.00 | 343,310 |   |  			
            | 8/2/2019 | -2.30 / -2.12% | 106.00 | 107.10 | 105.00 | 106.00 | 105.99 | 64.21 | 436,240 |   |  
            | 8/1/2019 | -0.80 / -0.73% | 109.90 | 109.90 | 107.80 | 108.30 | 108.56 | 65.61 | 235,090 |   |  			
            | 7/31/2019 | +0.10 / +0.09% | 109.00 | 110.50 | 108.60 | 109.10 | 109.44 | 66.09 | 126,560 |   |  
            | 7/30/2019 | -2.00 / -1.80% | 111.00 | 112.50 | 109.00 | 109.00 | 110.69 | 66.03 | 378,650 |   |  			
            | 7/29/2019 | +3.00 / +2.78% | 108.20 | 111.00 | 107.60 | 111.00 | 109.81 | 67.24 | 668,960 |   |  
            | 7/26/2019 | 0.00 / 0.00% | 108.00 | 109.00 | 107.90 | 108.00 | 108.64 | 65.43 | 300,030 |   |  			
            | 7/25/2019 | +1.30 / +1.22% | 106.60 | 108.50 | 106.00 | 108.00 | 107.59 | 65.43 | 436,120 |   |  
            | 7/24/2019 | -0.40 / -0.37% | 107.30 | 108.20 | 106.60 | 106.70 | 107.26 | 64.64 | 163,000 |   |  			
            | 7/23/2019 | +1.60 / +1.52% | 105.50 | 108.00 | 105.50 | 107.10 | 107.12 | 64.88 | 165,220 |   |  
            | 7/22/2019 | -0.50 / -0.47% | 105.10 | 107.10 | 105.10 | 105.50 | 106.09 | 63.91 | 126,500 |   |  			
            | 7/19/2019 | -1.20 / -1.12% | 107.50 | 107.50 | 105.80 | 106.00 | 106.58 | 64.21 | 299,330 |   |  
            | 7/18/2019 | -1.70 / -1.56% | 108.90 | 108.90 | 107.00 | 107.20 | 107.66 | 64.94 | 196,780 |   |  			
            | 7/17/2019 | +2.50 / +2.35% | 105.90 | 109.00 | 105.50 | 108.90 | 107.76 | 65.97 | 532,120 |   |  
            | 7/16/2019 | +0.40 / +0.38% | 106.00 | 106.50 | 105.50 | 106.40 | 106.09 | 64.46 | 261,630 |   |  |