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                    Closing price on 4/3/2015
                 |  |  
    
        |           
                
                    | Open | 49.80 |  
                    | High | 49.90 |  
                    | Low | 49.50 |  
                    | Volume | 6,780 |  
                    | Split-adjusted Price | 5.07 |  
                
             | 
 |  VSC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/3/2015 | -0.20 / -0.40% | 49.80 | 49.90 | 49.50 | 49.50 | 49.71 | 5.07 | 6,780 |   |  
            | 4/2/2015 | +0.50 / +1.02% | 49.20 | 49.90 | 49.00 | 49.70 | 49.35 | 5.10 | 770 |   |  			
            | 4/1/2015 | -1.30 / -2.57% | 50.50 | 50.50 | 49.20 | 49.20 | 49.63 | 5.04 | 6,750 |   |  
            | 3/31/2015 | +0.50 / +1.00% | 50.00 | 50.50 | 49.50 | 50.50 | 50.16 | 5.18 | 9,130 |   |  			
            | 3/30/2015 | 0.00 / 0.00% | 50.00 | 50.00 | 49.50 | 50.00 | 49.92 | 5.13 | 12,360 |   |  
            | 3/27/2015 | 0.00 / 0.00% | 50.00 | 50.00 | 49.80 | 50.00 | 50.00 | 5.13 | 23,200 |   |  			
            | 3/26/2015 | 0.00 / 0.00% | 50.00 | 50.00 | 49.60 | 50.00 | 50.00 | 5.13 | 19,580 |   |  
            | 3/25/2015 | +0.20 / +0.40% | 50.00 | 50.50 | 49.80 | 50.00 | 50.02 | 5.13 | 28,390 |   |  			
            | 3/24/2015 | -2.20 / -4.23% | 51.00 | 51.00 | 49.50 | 49.80 | 50.05 | 5.11 | 48,510 |   |  
            | 3/23/2015 | 0.00 / 0.00% | 52.00 | 52.50 | 51.50 | 52.00 | 51.64 | 5.33 | 11,000 |   |  			
            | 3/20/2015 | +1.00 / +1.96% | 51.00 | 52.50 | 51.00 | 52.00 | 52.00 | 5.33 | 37,360 |   |  
            | 3/19/2015 | -0.50 / -0.97% | 51.50 | 52.00 | 51.00 | 51.00 | 51.00 | 5.23 | 20,650 |   |  			
            | 3/18/2015 | 0.00 / 0.00% | 51.50 | 52.00 | 51.50 | 51.50 | 51.50 | 5.28 | 9,940 |   |  
            | 3/17/2015 | -0.50 / -0.96% | 51.00 | 52.50 | 51.00 | 51.50 | 51.50 | 5.28 | 19,540 |   |  			
            | 3/16/2015 | 0.00 / 0.00% | 52.00 | 52.00 | 51.50 | 52.00 | 52.00 | 5.33 | 20,400 |   |  
            | 3/13/2015 | -0.50 / -0.95% | 52.50 | 52.50 | 52.00 | 52.00 | 52.00 | 5.33 | 18,700 |   |  			
            | 3/12/2015 | +0.50 / +0.96% | 52.00 | 52.50 | 51.50 | 52.50 | 52.50 | 5.38 | 19,240 |   |  
            | 3/11/2015 | -0.50 / -0.95% | 52.50 | 52.50 | 52.00 | 52.00 | 52.00 | 5.33 | 45,990 |   |  			
            | 3/10/2015 | -0.50 / -0.94% | 53.00 | 53.00 | 52.50 | 52.50 | 52.50 | 5.38 | 29,230 |   |  
            | 3/9/2015 | -0.50 / -0.93% | 53.50 | 54.00 | 53.00 | 53.00 | 53.00 | 5.43 | 66,850 |   |  			
            | 3/6/2015 | +0.50 / +0.94% | 52.50 | 54.00 | 52.50 | 53.50 | 53.50 | 5.48 | 124,180 |   |  
            | 3/5/2015 | +0.50 / +0.95% | 53.00 | 53.00 | 52.00 | 53.00 | 53.00 | 5.43 | 48,560 |   |  			
            | 3/4/2015 | +0.50 / +0.96% | 52.50 | 53.00 | 52.00 | 52.50 | 52.50 | 5.38 | 35,870 |   |  
            | 3/3/2015 | +1.00 / +1.96% | 51.00 | 52.50 | 51.00 | 52.00 | 52.00 | 5.33 | 77,820 |   |  			
            | 3/2/2015 | 0.00 / 0.00% | 51.00 | 51.50 | 50.50 | 51.00 | 51.00 | 5.23 | 135,370 |   |  
            | 2/27/2015 | -0.50 / -0.97% | 51.00 | 51.50 | 50.50 | 51.00 | 51.00 | 5.23 | 40,110 |   |  			
            | 2/26/2015 | 0.00 / 0.00% | 51.50 | 52.00 | 51.00 | 51.50 | 51.50 | 5.28 | 60,710 |   |  
            | 2/25/2015 | 0.00 / 0.00% | 52.50 | 52.50 | 51.50 | 51.50 | 51.50 | 5.28 | 59,080 |   |  			
            | 2/24/2015 | +0.50 / +0.98% | 51.00 | 52.50 | 51.00 | 51.50 | 51.50 | 5.28 | 27,230 |   |  
            | 2/13/2015 | 0.00 / 0.00% | 51.00 | 52.00 | 50.50 | 51.00 | 51.00 | 5.23 | 9,180 |   |  |