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            | 
                    Closing price on 1/23/2017
                 |  |  
    
        |           
                
                    | Open | 49.50 |  
                    | High | 49.80 |  
                    | Low | 48.25 |  
                    | Volume | 3,740 |  
                    | Split-adjusted Price | 45.15 |  
                
             | 
 |  SCD Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/23/2017 | +1.40 / +2.91% | 49.50 | 49.80 | 48.25 | 49.50 | 49.47 | 45.15 | 3,740 |   |  
            | 1/20/2017 | +1.10 / +2.34% | 48.40 | 48.40 | 47.40 | 48.10 | 47.83 | 43.87 | 10,120 |   |  			
            | 1/19/2017 | -1.00 / -2.08% | 46.50 | 48.50 | 45.20 | 47.00 | 46.05 | 42.87 | 2,150 |   |  
            | 1/18/2017 | +1.60 / +3.45% | 46.40 | 48.70 | 46.40 | 48.00 | 46.61 | 43.78 | 5,600 |   |  			
            | 1/17/2017 | +0.40 / +0.87% | 46.00 | 46.40 | 45.90 | 46.40 | 46.04 | 42.32 | 3,280 |   |  
            | 1/16/2017 | +1.00 / +2.22% | 46.00 | 46.20 | 44.90 | 46.00 | 46.00 | 41.96 | 1,000 |   |  			
            | 1/13/2017 | -0.90 / -1.96% | 45.60 | 46.00 | 45.00 | 45.00 | 45.39 | 41.05 | 13,240 |   |  
            | 1/12/2017 | +0.35 / +0.77% | 46.50 | 46.50 | 45.10 | 45.90 | 45.51 | 41.87 | 1,670 |   |  			
            | 1/11/2017 | -1.25 / -2.67% | 45.50 | 46.50 | 45.50 | 45.55 | 45.86 | 41.55 | 4,710 |   |  
            | 1/10/2017 | +0.50 / +1.08% | 46.30 | 46.90 | 45.60 | 46.80 | 46.67 | 42.69 | 1,350 |   |  			
            | 1/9/2017 | +1.20 / +2.66% | 46.00 | 46.40 | 45.10 | 46.30 | 45.60 | 42.23 | 5,000 |   |  
            | 1/6/2017 | 0.00 / 0.00% | 45.10 | 46.50 | 45.00 | 45.10 | 45.53 | 41.14 | 8,060 |   |  			
            | 1/5/2017 | -2.00 / -4.25% | 44.80 | 48.50 | 44.80 | 45.10 | 45.65 | 41.14 | 11,260 |   |  
            | 1/4/2017 | -0.10 / -0.21% | 47.20 | 47.40 | 47.10 | 47.10 | 47.13 | 42.96 | 1,570 |   |  			
            | 1/3/2017 | -0.30 / -0.63% | 48.40 | 48.40 | 47.20 | 47.20 | 47.47 | 43.05 | 8,110 |   |  
            | 12/30/2016 | +0.50 / +1.06% | 46.60 | 48.10 | 46.20 | 47.50 | 46.85 | 43.33 | 3,650 |   |  			
            | 12/29/2016 | -2.50 / -5.05% | 49.50 | 51.40 | 46.05 | 47.00 | 47.96 | 42.87 | 10,050 |   |  
            | 12/28/2016 | -1.00 / -1.98% | 50.20 | 52.00 | 48.00 | 49.50 | 49.46 | 45.15 | 4,720 |   |  			
            | 12/27/2016 | -3.30 / -6.13% | 52.70 | 53.80 | 50.50 | 50.50 | 51.60 | 46.06 | 4,380 |   |  
            | 12/26/2016 | -0.20 / -0.37% | 54.00 | 54.00 | 53.00 | 53.80 | 53.70 | 49.07 | 400 |   |  			
            | 12/23/2016 | -0.40 / -0.74% | 52.00 | 55.30 | 52.00 | 54.00 | 52.79 | 49.26 | 3,050 |   |  
            | 12/22/2016 | +1.50 / +2.84% | 52.00 | 54.50 | 52.00 | 54.40 | 54.16 | 49.62 | 7,460 |   |  			
            | 12/21/2016 | +0.70 / +1.34% | 53.00 | 53.00 | 52.00 | 52.90 | 52.61 | 48.25 | 5,170 |   |  
            | 12/20/2016 | +3.40 / +6.97% | 48.60 | 52.20 | 48.50 | 52.20 | 51.65 | 47.61 | 30,840 |   |  			
            | 12/19/2016 | -0.40 / -0.81% | 49.00 | 49.00 | 48.00 | 48.80 | 48.69 | 44.51 | 4,730 |   |  
            | 12/16/2016 | -2.80 / -5.38% | 51.00 | 51.00 | 48.40 | 49.20 | 49.27 | 44.88 | 19,890 |   |  			
            | 12/15/2016 | -1.00 / -1.89% | 52.10 | 52.10 | 50.50 | 52.00 | 51.50 | 47.43 | 5,320 |   |  
            | 12/14/2016 | +0.40 / +0.76% | 52.80 | 53.50 | 52.00 | 53.00 | 53.07 | 48.34 | 10,610 |   |  			
            | 12/13/2016 | +1.10 / +2.14% | 51.50 | 52.60 | 51.50 | 52.60 | 52.09 | 47.98 | 11,730 |   |  
            | 12/12/2016 | -0.20 / -0.39% | 53.00 | 53.00 | 49.00 | 51.50 | 51.39 | 46.97 | 12,200 |   |  |