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            | 
                    Closing price on 8/17/2017
                 |  |  
    
        |           
                
                    | Open | 163.50 |  
                    | High | 166.20 |  
                    | Low | 163.50 |  
                    | Volume | 21,546 |  
                    | Split-adjusted Price | 69.38 |  
                
             | 
 |  SLS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/17/2017 | +1.10 / +0.67% | 163.50 | 166.20 | 163.50 | 164.60 | 165.26 | 69.38 | 21,546 |   |  
            | 8/16/2017 | +0.70 / +0.43% | 162.80 | 164.00 | 162.80 | 163.50 | 163.53 | 68.91 | 11,020 |   |  			
            | 8/15/2017 | +0.30 / +0.18% | 162.50 | 164.00 | 162.50 | 162.80 | 163.38 | 68.62 | 4,110 |   |  
            | 8/14/2017 | -1.90 / -1.16% | 163.10 | 163.50 | 162.50 | 162.50 | 162.77 | 68.49 | 5,920 |   |  			
            | 8/11/2017 | -0.10 / -0.06% | 164.50 | 164.50 | 162.00 | 164.40 | 163.60 | 69.29 | 8,300 |   |  
            | 8/10/2017 | 0.00 / 0.00% | 164.00 | 164.50 | 163.00 | 164.50 | 163.70 | 69.33 | 9,400 |   |  			
            | 8/9/2017 | -1.50 / -0.90% | 165.00 | 165.00 | 164.00 | 164.50 | 164.30 | 69.33 | 10,346 |   |  
            | 8/8/2017 | -0.80 / -0.48% | 167.00 | 167.00 | 165.50 | 166.00 | 166.01 | 69.97 | 5,620 |   |  			
            | 8/7/2017 | +1.80 / +1.09% | 165.00 | 166.80 | 164.70 | 166.80 | 165.92 | 70.30 | 13,130 |   |  
            | 8/4/2017 | +0.50 / +0.30% | 164.50 | 166.00 | 164.00 | 165.00 | 164.94 | 69.55 | 6,700 |   |  			
            | 8/3/2017 | +0.10 / +0.06% | 164.50 | 164.80 | 163.50 | 164.50 | 164.12 | 69.33 | 9,020 |   |  
            | 8/2/2017 | +0.40 / +0.24% | 164.00 | 165.00 | 162.00 | 164.40 | 163.69 | 69.29 | 24,300 |   |  			
            | 8/1/2017 | -1.10 / -0.67% | 165.10 | 165.10 | 162.10 | 164.00 | 163.78 | 69.12 | 7,350 |   |  
            | 7/31/2017 | -4.90 / -2.88% | 169.00 | 169.00 | 164.00 | 165.10 | 165.90 | 69.59 | 5,968 |   |  			
            | 7/28/2017 | +6.00 / +3.66% | 173.80 | 173.80 | 165.20 | 170.00 | 170.62 | 71.65 | 3,300 |   |  
            | 7/27/2017 | -2.70 / -1.62% | 168.00 | 169.00 | 164.00 | 164.00 | 166.97 | 69.12 | 3,150 |   |  			
            | 7/26/2017 | +6.70 / +4.19% | 160.00 | 170.00 | 160.00 | 166.70 | 166.35 | 70.26 | 25,035 |   |  
            | 7/25/2017 | +5.00 / +3.23% | 155.00 | 162.00 | 154.00 | 160.00 | 156.89 | 67.44 | 15,203 |   |  			
            | 7/24/2017 | -2.00 / -1.27% | 153.00 | 155.50 | 153.00 | 155.00 | 154.45 | 65.33 | 6,900 |   |  
            | 7/21/2017 | -1.80 / -1.13% | 158.00 | 160.00 | 152.00 | 157.00 | 154.86 | 66.17 | 27,430 |   |  			
            | 7/20/2017 | -8.20 / -4.91% | 163.50 | 163.50 | 152.00 | 158.80 | 156.80 | 66.93 | 35,448 |   |  
            | 7/19/2017 | -7.00 / -4.02% | 160.00 | 174.00 | 159.00 | 167.00 | 168.61 | 70.39 | 42,620 |   |  			
            | 7/18/2017 | -0.80 / -0.46% | 174.00 | 174.00 | 172.00 | 174.00 | 172.76 | 73.34 | 8,100 |   |  
            | 7/17/2017 | -3.00 / -1.69% | 176.00 | 176.00 | 173.00 | 174.80 | 174.32 | 73.68 | 9,500 |   |  			
            | 7/14/2017 | +3.30 / +1.89% | 174.50 | 178.00 | 173.30 | 177.80 | 174.65 | 74.94 | 13,820 |   |  
            | 7/13/2017 | +2.50 / +1.45% | 172.00 | 174.50 | 172.00 | 174.50 | 172.81 | 73.55 | 11,728 |   |  			
            | 7/12/2017 | -0.80 / -0.46% | 171.00 | 173.00 | 171.00 | 172.00 | 172.20 | 72.50 | 22,233 |   |  
            | 7/11/2017 | 0.00 / 0.00% | 172.50 | 172.80 | 171.20 | 172.80 | 172.30 | 72.83 | 7,800 |   |  			
            | 7/10/2017 | -0.70 / -0.40% | 173.00 | 173.00 | 171.00 | 172.80 | 171.88 | 72.83 | 19,808 |   |  
            | 7/7/2017 | -1.40 / -0.80% | 174.10 | 174.30 | 172.00 | 173.50 | 172.89 | 73.13 | 31,210 |   |  |