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            | 
                    Closing price on 2/28/2019
                 |  |  
    
        |           
                
                    | Open | 137.50 |  
                    | High | 137.50 |  
                    | Low | 133.80 |  
                    | Volume | 124,220 |  
                    | Split-adjusted Price | 90.88 |  
                
             | 
 |  CTD Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/28/2019 | -2.70 / -1.98% | 137.50 | 137.50 | 133.80 | 133.80 | 135.60 | 90.88 | 124,220 |   |  
            | 2/27/2019 | +0.90 / +0.66% | 136.00 | 136.90 | 135.60 | 136.50 | 136.22 | 92.72 | 49,860 |   |  			
            | 2/26/2019 | -0.40 / -0.29% | 136.90 | 138.00 | 135.00 | 135.60 | 136.58 | 92.11 | 81,830 |   |  
            | 2/25/2019 | +1.80 / +1.34% | 134.20 | 137.00 | 134.20 | 136.00 | 136.09 | 92.38 | 71,570 |   |  			
            | 2/22/2019 | -2.80 / -2.04% | 135.80 | 137.00 | 134.20 | 134.20 | 135.59 | 91.15 | 111,040 |   |  
            | 2/21/2019 | -0.10 / -0.07% | 137.10 | 137.10 | 136.00 | 137.00 | 136.56 | 93.06 | 82,600 |   |  			
            | 2/20/2019 | +0.30 / +0.22% | 136.10 | 138.00 | 136.10 | 137.10 | 137.03 | 93.12 | 59,520 |   |  
            | 2/19/2019 | -2.80 / -2.01% | 139.50 | 139.80 | 136.80 | 136.80 | 137.88 | 92.92 | 141,990 |   |  			
            | 2/18/2019 | +0.10 / +0.07% | 139.50 | 140.70 | 139.50 | 139.60 | 140.08 | 94.82 | 55,960 |   |  
            | 2/15/2019 | +2.20 / +1.60% | 138.00 | 140.10 | 137.70 | 139.50 | 139.39 | 94.75 | 101,750 |   |  			
            | 2/14/2019 | +3.40 / +2.54% | 135.00 | 137.70 | 134.80 | 137.30 | 135.86 | 93.26 | 207,410 |   |  
            | 2/13/2019 | -0.70 / -0.52% | 134.60 | 135.70 | 133.50 | 133.90 | 134.43 | 90.95 | 153,870 |   |  			
            | 2/12/2019 | -0.70 / -0.52% | 135.30 | 136.60 | 134.00 | 134.60 | 134.92 | 91.43 | 82,210 |   |  
            | 2/11/2019 | +2.90 / +2.19% | 132.40 | 135.30 | 132.40 | 135.30 | 134.49 | 91.90 | 40,590 |   |  			
            | 2/1/2019 | -2.40 / -1.78% | 134.80 | 135.00 | 132.40 | 132.40 | 132.74 | 89.93 | 90,810 |   |  
            | 1/31/2019 | +0.30 / +0.22% | 134.50 | 135.50 | 133.00 | 134.80 | 134.51 | 91.56 | 34,920 |   |  			
            | 1/30/2019 | -1.80 / -1.32% | 136.00 | 136.00 | 133.00 | 134.50 | 134.50 | 91.36 | 63,770 |   |  
            | 1/29/2019 | -0.60 / -0.44% | 137.90 | 137.90 | 135.00 | 136.30 | 136.41 | 92.58 | 32,410 |   |  			
            | 1/28/2019 | +5.40 / +4.11% | 133.00 | 137.00 | 133.00 | 136.90 | 134.80 | 92.99 | 112,770 |   |  
            | 1/25/2019 | 0.00 / 0.00% | 131.50 | 134.00 | 130.50 | 131.50 | 131.51 | 89.32 | 290,530 |   |  			
            | 1/24/2019 | -5.60 / -4.08% | 137.10 | 139.00 | 130.90 | 131.50 | 134.00 | 89.32 | 213,090 |   |  
            | 1/23/2019 | -5.90 / -4.13% | 142.00 | 142.00 | 137.10 | 137.10 | 139.10 | 93.12 | 157,950 |   |  			
            | 1/22/2019 | -6.40 / -4.28% | 149.60 | 149.60 | 143.00 | 143.00 | 145.45 | 97.13 | 143,900 |   |  
            | 1/21/2019 | +1.50 / +1.01% | 147.90 | 149.80 | 147.90 | 149.40 | 148.94 | 101.48 | 323,980 |   |  			
            | 1/18/2019 | -0.30 / -0.20% | 148.20 | 150.20 | 147.00 | 147.90 | 148.07 | 100.46 | 37,110 |   |  
            | 1/17/2019 | -1.00 / -0.67% | 149.20 | 150.40 | 148.20 | 148.20 | 149.42 | 100.66 | 47,900 |   |  			
            | 1/16/2019 | -5.30 / -3.43% | 154.20 | 155.70 | 149.20 | 149.20 | 151.65 | 101.34 | 96,130 |   |  
            | 1/15/2019 | -1.50 / -0.96% | 156.00 | 156.30 | 154.50 | 154.50 | 155.37 | 104.94 | 69,370 |   |  			
            | 1/14/2019 | -2.50 / -1.58% | 158.50 | 159.50 | 156.00 | 156.00 | 157.21 | 105.96 | 37,180 |   |  
            | 1/11/2019 | -1.50 / -0.94% | 160.00 | 161.30 | 158.50 | 158.50 | 159.13 | 107.66 | 44,820 |   |  |