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            | 
                    Closing price on 10/9/2018
                 |  |  
    
        |           
                
                    | Open | 166.00 |  
                    | High | 167.60 |  
                    | Low | 165.80 |  
                    | Volume | 47,380 |  
                    | Split-adjusted Price | 112.62 |  
                
             | 
 |  CTD Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/9/2018 | -0.30 / -0.18% | 166.00 | 167.60 | 165.80 | 165.80 | 166.38 | 112.62 | 47,380 |   |  
            | 10/8/2018 | +0.10 / +0.06% | 168.00 | 168.50 | 165.00 | 166.10 | 167.37 | 112.82 | 166,210 |   |  			
            | 10/5/2018 | +1.20 / +0.73% | 164.80 | 168.20 | 164.80 | 166.00 | 167.36 | 112.75 | 296,250 |   |  
            | 10/4/2018 | +1.30 / +0.80% | 163.60 | 165.00 | 163.50 | 164.80 | 164.33 | 111.94 | 64,060 |   |  			
            | 10/3/2018 | 0.00 / 0.00% | 163.50 | 164.70 | 163.00 | 163.50 | 163.65 | 111.06 | 105,570 |   |  
            | 10/2/2018 | -1.30 / -0.79% | 164.80 | 165.60 | 163.50 | 163.50 | 163.90 | 111.06 | 146,240 |   |  			
            | 10/1/2018 | -1.20 / -0.72% | 166.00 | 166.70 | 164.20 | 164.80 | 165.53 | 111.94 | 181,810 |   |  
            | 9/28/2018 | -2.30 / -1.37% | 168.50 | 169.00 | 166.00 | 166.00 | 167.28 | 112.75 | 107,840 |   |  			
            | 9/27/2018 | +2.30 / +1.39% | 166.00 | 168.70 | 165.10 | 168.30 | 166.57 | 114.32 | 183,680 |   |  
            | 9/26/2018 | -2.00 / -1.19% | 167.80 | 168.40 | 166.00 | 166.00 | 167.41 | 112.75 | 203,380 |   |  			
            | 9/25/2018 | -1.80 / -1.06% | 169.80 | 170.00 | 167.40 | 168.00 | 168.58 | 114.11 | 124,980 |   |  
            | 9/24/2018 | +2.80 / +1.68% | 167.30 | 170.00 | 167.00 | 169.80 | 168.68 | 115.34 | 236,590 |   |  			
            | 9/21/2018 | +4.00 / +2.45% | 164.00 | 167.50 | 162.50 | 167.00 | 165.14 | 113.43 | 576,270 |   |  
            | 9/20/2018 | +0.50 / +0.31% | 162.00 | 163.50 | 162.00 | 163.00 | 162.78 | 110.72 | 123,950 |   |  			
            | 9/19/2018 | 0.00 / 0.00% | 164.80 | 164.80 | 162.30 | 162.50 | 163.40 | 110.38 | 110,500 |   |  
            | 9/18/2018 | +2.40 / +1.50% | 160.00 | 162.90 | 159.50 | 162.50 | 161.07 | 110.38 | 142,470 |   |  			
            | 9/17/2018 | -2.90 / -1.78% | 162.10 | 163.00 | 160.10 | 160.10 | 161.61 | 108.75 | 198,440 |   |  
            | 9/14/2018 | -0.20 / -0.12% | 163.00 | 164.00 | 163.00 | 163.00 | 163.28 | 110.72 | 75,770 |   |  			
            | 9/13/2018 | -0.80 / -0.49% | 164.00 | 164.90 | 162.70 | 163.20 | 163.19 | 110.85 | 84,140 |   |  
            | 9/12/2018 | 0.00 / 0.00% | 164.90 | 166.90 | 162.00 | 164.00 | 164.95 | 111.40 | 192,220 |   |  			
            | 9/11/2018 | +1.70 / +1.05% | 162.30 | 164.50 | 162.00 | 164.00 | 163.58 | 111.40 | 912,300 |   |  
            | 9/10/2018 | -1.90 / -1.16% | 165.00 | 166.00 | 162.30 | 162.30 | 163.20 | 110.24 | 43,560 |   |  			
            | 9/7/2018 | +1.20 / +0.74% | 164.00 | 165.00 | 162.50 | 164.20 | 163.50 | 111.53 | 117,570 |   |  
            | 9/6/2018 | -1.00 / -0.61% | 164.00 | 166.50 | 162.50 | 163.00 | 164.01 | 110.72 | 130,560 |   |  			
            | 9/5/2018 | +1.00 / +0.61% | 161.20 | 167.00 | 161.20 | 164.00 | 164.79 | 111.40 | 206,207 |   |  
            | 9/4/2018 | -2.50 / -1.51% | 165.20 | 165.50 | 162.90 | 163.00 | 163.58 | 110.72 | 92,910 |   |  			
            | 8/31/2018 | -3.00 / -1.78% | 167.10 | 168.40 | 165.50 | 165.50 | 167.16 | 112.42 | 81,030 |   |  
            | 8/30/2018 | +6.40 / +3.95% | 162.10 | 169.00 | 162.10 | 168.50 | 165.82 | 114.45 | 359,490 |   |  			
            | 8/29/2018 | -2.80 / -1.70% | 164.80 | 165.40 | 162.10 | 162.10 | 163.45 | 110.11 | 215,330 |   |  
            | 8/28/2018 | +3.10 / +1.92% | 162.20 | 165.10 | 160.50 | 164.90 | 163.82 | 112.01 | 338,550 |   |  |