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            | 
                    Closing price on 2/20/2017
                 |  |  
    
        |           
                
                    | Open | 100.00 |  
                    | High | 102.00 |  
                    | Low | 99.00 |  
                    | Volume | 24,731 |  
                    | Split-adjusted Price | 42.53 |  
                
             | 
 |  SLS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 2/20/2017 | +0.90 / +0.90% | 100.00 | 102.00 | 99.00 | 100.90 | 100.01 | 42.53 | 24,731 |   |  
            | 2/17/2017 | +2.50 / +2.56% | 97.50 | 100.00 | 96.00 | 100.00 | 97.38 | 42.15 | 52,790 |   |  			
            | 2/16/2017 | -2.50 / -2.50% | 101.00 | 101.00 | 97.50 | 97.50 | 100.00 | 41.09 | 9,080 |   |  
            | 2/15/2017 | -2.50 / -2.44% | 102.00 | 102.50 | 99.50 | 100.00 | 100.18 | 42.15 | 11,888 |   |  			
            | 2/14/2017 | 0.00 / 0.00% | 102.50 | 103.30 | 100.80 | 102.50 | 101.81 | 43.20 | 9,110 |   |  
            | 2/13/2017 | +4.10 / +4.17% | 98.00 | 102.50 | 98.00 | 102.50 | 100.44 | 43.20 | 12,117 |   |  			
            | 2/10/2017 | +2.40 / +2.50% | 96.00 | 98.50 | 96.00 | 98.40 | 96.84 | 41.47 | 14,786 |   |  
            | 2/9/2017 | +1.20 / +1.27% | 92.50 | 96.00 | 92.50 | 96.00 | 94.93 | 40.46 | 13,740 |   |  			
            | 2/8/2017 | -2.20 / -2.27% | 97.00 | 97.00 | 93.00 | 94.80 | 95.51 | 39.96 | 11,411 |   |  
            | 2/7/2017 | +2.00 / +2.11% | 95.00 | 99.50 | 95.00 | 97.00 | 97.24 | 40.88 | 43,505 |   |  			
            | 2/6/2017 | +7.80 / +8.94% | 87.50 | 95.90 | 87.40 | 95.00 | 92.05 | 40.04 | 34,450 |   |  
            | 2/3/2017 | -0.30 / -0.34% | 88.10 | 88.10 | 87.20 | 87.20 | 87.81 | 36.75 | 15,110 |   |  			
            | 2/2/2017 | +2.00 / +2.34% | 85.50 | 88.00 | 85.50 | 87.50 | 86.71 | 36.88 | 7,278 |   |  
            | 1/25/2017 | 0.00 / 0.00% | 85.10 | 85.50 | 85.10 | 85.50 | 85.46 | 36.04 | 9,241 |   |  			
            | 1/24/2017 | -0.50 / -0.58% | 87.00 | 87.90 | 85.50 | 85.50 | 86.31 | 36.04 | 20,200 |   |  
            | 1/23/2017 | -1.90 / -2.16% | 87.90 | 87.90 | 86.00 | 86.00 | 86.72 | 36.25 | 11,820 |   |  			
            | 1/20/2017 | -1.10 / -1.24% | 87.50 | 88.50 | 86.50 | 87.90 | 87.06 | 37.05 | 14,400 |   |  
            | 1/19/2017 | +2.00 / +2.30% | 87.00 | 89.00 | 86.70 | 89.00 | 87.16 | 37.51 | 25,615 |   |  			
            | 1/18/2017 | -0.80 / -0.91% | 87.50 | 88.00 | 87.00 | 87.00 | 87.15 | 36.67 | 3,020 |   |  
            | 1/17/2017 | -0.10 / -0.11% | 87.50 | 87.90 | 86.90 | 87.80 | 87.16 | 37.01 | 8,832 |   |  			
            | 1/16/2017 | -0.10 / -0.11% | 87.50 | 88.00 | 86.50 | 87.90 | 87.03 | 37.05 | 13,188 |   |  
            | 1/13/2017 | +0.30 / +0.34% | 87.00 | 89.30 | 87.00 | 88.00 | 87.70 | 37.09 | 6,400 |   |  			
            | 1/12/2017 | -0.10 / -0.11% | 90.00 | 90.00 | 86.50 | 87.70 | 87.04 | 36.96 | 3,585 |   |  
            | 1/11/2017 | 0.00 / 0.00% | 87.80 | 87.80 | 86.50 | 87.80 | 86.78 | 37.01 | 6,800 |   |  			
            | 1/10/2017 | -0.20 / -0.23% | 86.10 | 87.80 | 86.00 | 87.80 | 86.03 | 37.01 | 940 |   |  
            | 1/9/2017 | -0.80 / -0.90% | 88.00 | 88.80 | 86.50 | 88.00 | 86.83 | 37.09 | 1,910 |   |  			
            | 1/6/2017 | +0.80 / +0.91% | 85.50 | 89.00 | 79.50 | 88.80 | 80.54 | 37.43 | 5,500 |   |  
            | 1/5/2017 | -1.90 / -2.11% | 91.10 | 91.10 | 88.00 | 88.00 | 88.95 | 37.09 | 10,100 |   |  			
            | 1/4/2017 | +1.30 / +1.47% | 88.60 | 91.00 | 88.60 | 89.90 | 90.13 | 37.89 | 3,630 |   |  
            | 1/3/2017 | +1.20 / +1.37% | 88.40 | 89.00 | 88.40 | 88.60 | 88.90 | 37.34 | 7,000 |   |  |