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                    Closing price on 2/28/2019
                 |  |  
    
        |           
                
                    | Open | 39.70 |  
                    | High | 40.00 |  
                    | Low | 38.60 |  
                    | Volume | 21,520 |  
                    | Split-adjusted Price | 15.44 |  
                
             | 
 |  ACL Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/28/2019 | -0.40 / -1.01% | 39.70 | 40.00 | 38.60 | 39.30 | 39.03 | 15.44 | 21,520 |   |  
            | 2/27/2019 | +1.20 / +3.12% | 38.50 | 40.40 | 38.50 | 39.70 | 39.14 | 15.60 | 21,920 |   |  			
            | 2/26/2019 | -1.70 / -4.23% | 40.20 | 40.65 | 38.50 | 38.50 | 39.94 | 15.12 | 41,640 |   |  
            | 2/25/2019 | +1.45 / +3.74% | 39.35 | 40.45 | 38.40 | 40.20 | 39.18 | 15.79 | 11,740 |   |  			
            | 2/22/2019 | -0.05 / -0.13% | 37.50 | 38.80 | 37.50 | 38.75 | 38.31 | 15.22 | 20,780 |   |  
            | 2/21/2019 | -1.70 / -4.20% | 40.90 | 40.90 | 38.50 | 38.80 | 39.30 | 15.24 | 123,850 |   |  			
            | 2/20/2019 | -0.60 / -1.46% | 41.10 | 41.10 | 40.30 | 40.50 | 40.49 | 15.91 | 20,550 |   |  
            | 2/19/2019 | +0.30 / +0.74% | 41.80 | 41.80 | 40.30 | 41.10 | 40.76 | 16.15 | 26,300 |   |  			
            | 2/18/2019 | -0.60 / -1.45% | 41.75 | 41.80 | 40.50 | 40.80 | 41.11 | 16.03 | 49,520 |   |  
            | 2/15/2019 | -0.10 / -0.24% | 41.50 | 41.90 | 40.90 | 41.40 | 41.25 | 16.26 | 32,440 |   |  			
            | 2/14/2019 | -1.80 / -4.16% | 42.70 | 42.70 | 41.50 | 41.50 | 42.27 | 16.30 | 48,260 |   |  
            | 2/13/2019 | +2.60 / +6.39% | 40.70 | 43.30 | 40.00 | 43.30 | 41.16 | 17.01 | 112,670 |   |  			
            | 2/12/2019 | -1.30 / -3.10% | 42.00 | 42.00 | 40.60 | 40.70 | 41.07 | 15.99 | 64,820 |   |  
            | 2/11/2019 | +0.50 / +1.20% | 41.50 | 42.20 | 41.00 | 42.00 | 41.68 | 16.50 | 45,940 |   |  			
            | 2/1/2019 | +0.35 / +0.85% | 41.15 | 42.40 | 41.15 | 41.50 | 41.65 | 16.30 | 66,100 |   |  
            | 1/31/2019 | -0.70 / -1.67% | 42.40 | 42.40 | 41.00 | 41.15 | 41.55 | 16.16 | 52,750 |   |  			
            | 1/30/2019 | +0.55 / +1.33% | 43.90 | 43.90 | 41.20 | 41.85 | 42.32 | 16.44 | 87,200 |   |  
            | 1/29/2019 | +2.70 / +6.99% | 39.45 | 41.30 | 38.60 | 41.30 | 40.35 | 16.22 | 51,840 |   |  			
            | 1/28/2019 | -2.60 / -6.31% | 41.40 | 41.80 | 38.50 | 38.60 | 39.34 | 15.16 | 57,140 |   |  
            | 1/25/2019 | +0.55 / +1.35% | 43.45 | 43.45 | 41.00 | 41.20 | 43.01 | 16.18 | 224,500 |   |  			
            | 1/24/2019 | +2.65 / +6.97% | 40.65 | 40.65 | 40.65 | 40.65 | 40.65 | 15.97 | 6,990 |   |  
            | 1/23/2019 | +2.45 / +6.89% | 38.00 | 38.00 | 38.00 | 38.00 | 38.00 | 14.93 | 17,090 |   |  			
            | 1/22/2019 | +2.30 / +6.92% | 33.25 | 35.55 | 33.00 | 35.55 | 34.46 | 13.96 | 60,180 |   |  
            | 1/21/2019 | +0.15 / +0.45% | 32.70 | 33.45 | 32.50 | 33.25 | 32.98 | 13.06 | 44,750 |   |  			
            | 1/18/2019 | +1.20 / +3.76% | 31.90 | 33.10 | 31.85 | 33.10 | 32.38 | 13.00 | 106,340 |   |  
            | 1/17/2019 | +0.45 / +1.43% | 31.90 | 32.00 | 31.55 | 31.90 | 31.87 | 12.53 | 22,970 |   |  			
            | 1/16/2019 | -1.05 / -3.23% | 32.50 | 32.75 | 31.40 | 31.45 | 31.99 | 12.35 | 63,920 |   |  
            | 1/15/2019 | +0.90 / +2.85% | 31.60 | 32.60 | 31.60 | 32.50 | 31.89 | 12.77 | 42,650 |   |  			
            | 1/14/2019 | -0.65 / -2.02% | 33.90 | 33.90 | 31.20 | 31.60 | 31.90 | 12.41 | 12,290 |   |  
            | 1/11/2019 | -0.15 / -0.46% | 32.20 | 33.90 | 32.20 | 32.25 | 32.75 | 12.67 | 35,690 |   |  |