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                    Closing price on 12/31/2020
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                    | Open | 70.40 |  
                    | High | 71.80 |  
                    | Low | 70.40 |  
                    | Volume | 11,500 |  
                    | Split-adjusted Price | 48.92 |  
                
             | 
 |  SLS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/31/2020 | +1.30 / +1.84% | 70.40 | 71.80 | 70.40 | 71.80 | 71.56 | 48.92 | 11,500 |   |  
            | 12/30/2020 | -1.30 / -1.81% | 71.30 | 71.80 | 70.50 | 70.50 | 71.02 | 48.04 | 16,000 |   |  			
            | 12/29/2020 | -0.20 / -0.28% | 71.30 | 71.80 | 71.00 | 71.80 | 71.18 | 48.92 | 6,100 |   |  
            | 12/28/2020 | -0.40 / -0.55% | 72.00 | 72.00 | 71.50 | 72.00 | 71.65 | 49.06 | 7,600 |   |  			
            | 12/25/2020 | +2.40 / +3.43% | 74.30 | 74.30 | 70.20 | 72.40 | 71.35 | 49.33 | 6,400 |   |  
            | 12/24/2020 | 0.00 / 0.00% | 73.00 | 75.00 | 68.00 | 70.00 | 70.34 | 47.70 | 21,300 |   |  			
            | 12/23/2020 | +0.30 / +0.43% | 69.70 | 72.30 | 69.70 | 70.00 | 71.05 | 47.70 | 25,000 |   |  
            | 12/22/2020 | +1.20 / +1.75% | 69.50 | 69.80 | 68.60 | 69.70 | 69.32 | 47.49 | 26,400 |   |  			
            | 12/21/2020 | +1.50 / +2.24% | 66.80 | 68.50 | 66.80 | 68.50 | 68.09 | 46.67 | 22,400 |   |  
            | 12/18/2020 | +0.80 / +1.21% | 66.20 | 67.20 | 66.20 | 67.00 | 66.50 | 45.65 | 9,208 |   |  			
            | 12/17/2020 | -0.80 / -1.19% | 67.10 | 67.20 | 65.20 | 66.20 | 66.28 | 45.11 | 18,800 |   |  
            | 12/16/2020 | +1.00 / +1.52% | 66.00 | 67.40 | 66.00 | 67.00 | 66.39 | 45.65 | 13,200 |   |  			
            | 12/15/2020 | +0.20 / +0.30% | 65.80 | 66.70 | 65.80 | 66.00 | 66.19 | 44.97 | 29,700 |   |  
            | 12/14/2020 | +0.50 / +0.77% | 65.50 | 66.00 | 65.00 | 65.80 | 65.65 | 44.83 | 19,100 |   |  			
            | 12/11/2020 | +0.50 / +0.77% | 64.80 | 65.30 | 64.80 | 65.30 | 64.87 | 44.49 | 13,900 |   |  
            | 12/10/2020 | -0.20 / -0.31% | 65.00 | 65.00 | 64.50 | 64.80 | 64.86 | 44.15 | 12,200 |   |  			
            | 12/9/2020 | +0.10 / +0.15% | 65.00 | 65.50 | 64.40 | 65.00 | 64.90 | 44.29 | 16,900 |   |  
            | 12/8/2020 | +0.70 / +1.09% | 64.20 | 65.60 | 64.20 | 64.90 | 64.80 | 44.22 | 28,400 |   |  			
            | 12/7/2020 | +0.20 / +0.31% | 64.00 | 64.30 | 63.50 | 64.20 | 64.16 | 43.74 | 19,200 |   |  
            | 12/4/2020 | -0.50 / -0.78% | 64.50 | 64.50 | 63.50 | 64.00 | 63.78 | 43.61 | 10,600 |   |  			
            | 12/3/2020 | +1.70 / +2.71% | 62.80 | 65.00 | 62.80 | 64.50 | 63.70 | 43.95 | 34,300 |   |  
            | 12/2/2020 | +1.10 / +1.78% | 61.00 | 62.80 | 61.00 | 62.80 | 62.29 | 42.79 | 29,800 |   |  			
            | 12/1/2020 | -0.40 / -0.64% | 62.00 | 62.00 | 60.00 | 61.70 | 61.09 | 42.04 | 41,800 |   |  
            | 11/30/2020 | -0.40 / -0.64% | 62.50 | 62.60 | 62.00 | 62.10 | 62.15 | 42.31 | 23,300 |   |  			
            | 11/27/2020 | -0.20 / -0.32% | 63.30 | 63.30 | 62.10 | 62.50 | 62.45 | 42.58 | 22,400 |   |  
            | 11/26/2020 | -0.60 / -0.95% | 62.20 | 63.60 | 62.20 | 62.70 | 63.00 | 42.72 | 34,200 |   |  			
            | 11/25/2020 | +0.80 / +1.28% | 62.50 | 63.90 | 62.50 | 63.30 | 62.97 | 43.13 | 38,600 |   |  
            | 11/24/2020 | +0.10 / +0.16% | 62.30 | 62.50 | 61.90 | 62.50 | 62.25 | 42.58 | 50,300 |   |  			
            | 11/23/2020 | -0.10 / -0.16% | 62.50 | 62.50 | 61.80 | 62.40 | 62.12 | 42.52 | 21,200 |   |  
            | 11/20/2020 | +0.80 / +1.30% | 61.50 | 63.00 | 61.10 | 62.50 | 62.30 | 42.58 | 44,200 |   |  |