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                    Closing price on 8/3/2015
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                    | Open | 52.50 |  
                    | High | 53.00 |  
                    | Low | 51.00 |  
                    | Volume | 101,200 |  
                    | Split-adjusted Price | 6.58 |  
                
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 |  VSC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/3/2015 | 0.00 / 0.00% | 52.50 | 53.00 | 51.00 | 53.00 | 51.79 | 6.58 | 101,200 |   |  
            | 7/31/2015 | 0.00 / 0.00% | 53.00 | 54.00 | 53.00 | 53.00 | 53.30 | 6.58 | 49,340 |   |  			
            | 7/30/2015 | -1.00 / -1.85% | 54.00 | 54.00 | 53.00 | 53.00 | 53.31 | 6.58 | 67,470 |   |  
            | 7/29/2015 | -0.50 / -0.92% | 54.50 | 55.00 | 53.50 | 54.00 | 54.14 | 6.70 | 65,720 |   |  			
            | 7/28/2015 | -1.00 / -1.80% | 56.00 | 56.00 | 54.50 | 54.50 | 55.08 | 6.77 | 79,680 |   |  
            | 7/27/2015 | +2.50 / +4.72% | 53.00 | 56.00 | 53.00 | 55.50 | 55.00 | 6.89 | 139,160 |   |  			
            | 7/24/2015 | +3.30 / +6.64% | 49.80 | 53.00 | 49.80 | 53.00 | 52.05 | 6.58 | 180,380 |   |  
            | 7/23/2015 | -0.20 / -0.40% | 49.90 | 50.00 | 49.70 | 49.70 | 49.94 | 6.17 | 46,220 |   |  			
            | 7/22/2015 | 0.00 / 0.00% | 49.70 | 50.00 | 49.40 | 49.90 | 49.67 | 6.19 | 33,080 |   |  
            | 7/21/2015 | +0.90 / +1.84% | 49.00 | 50.00 | 49.00 | 49.90 | 49.70 | 6.19 | 82,110 |   |  			
            | 7/20/2015 | +1.00 / +2.08% | 48.10 | 50.00 | 47.90 | 49.00 | 49.38 | 6.08 | 104,090 |   |  
            | 7/17/2015 | +0.40 / +0.84% | 47.60 | 48.10 | 47.50 | 48.00 | 47.92 | 5.96 | 28,360 |   |  			
            | 7/16/2015 | -0.30 / -0.63% | 47.60 | 47.80 | 47.50 | 47.60 | 47.65 | 5.91 | 137,620 |   |  
            | 7/15/2015 | 0.00 / 0.00% | 47.90 | 48.30 | 47.50 | 47.90 | 47.56 | 5.95 | 54,200 |   |  			
            | 7/14/2015 | -0.40 / -0.83% | 48.30 | 48.30 | 47.90 | 47.90 | 48.03 | 5.95 | 40,580 |   |  
            | 7/13/2015 | +0.20 / +0.42% | 48.10 | 48.30 | 47.90 | 48.30 | 48.02 | 6.00 | 24,800 |   |  			
            | 7/10/2015 | -0.40 / -0.82% | 48.90 | 48.90 | 48.10 | 48.10 | 48.31 | 5.97 | 39,100 |   |  
            | 7/9/2015 | 0.00 / 0.00% | 48.40 | 48.50 | 48.20 | 48.50 | 48.30 | 6.02 | 6,190 |   |  			
            | 7/8/2015 | 0.00 / 0.00% | 49.00 | 49.20 | 48.20 | 48.50 | 48.58 | 6.02 | 110,590 |   |  
            | 7/7/2015 | -0.40 / -0.82% | 48.90 | 48.90 | 48.50 | 48.50 | 48.59 | 6.02 | 36,920 |   |  			
            | 7/6/2015 | +0.70 / +1.45% | 48.20 | 48.90 | 48.20 | 48.90 | 48.61 | 6.07 | 47,080 |   |  
            | 7/3/2015 | +0.20 / +0.42% | 48.00 | 48.40 | 48.00 | 48.20 | 48.10 | 5.98 | 37,420 |   |  			
            | 7/2/2015 | 0.00 / 0.00% | 48.00 | 48.40 | 48.00 | 48.00 | 48.07 | 5.96 | 41,540 |   |  
            | 7/1/2015 | -0.40 / -0.83% | 48.40 | 48.40 | 48.00 | 48.00 | 48.25 | 5.96 | 15,980 |   |  			
            | 6/30/2015 | +0.30 / +0.62% | 48.50 | 48.80 | 48.10 | 48.40 | 48.28 | 6.01 | 31,070 |   |  
            | 6/29/2015 | +0.80 / +1.69% | 47.40 | 49.00 | 47.40 | 48.10 | 48.47 | 5.97 | 68,430 |   |  			
            | 6/26/2015 | +1.00 / +2.16% | 46.30 | 48.40 | 46.30 | 47.30 | 47.56 | 5.87 | 151,420 |   |  
            | 6/25/2015 | +0.10 / +0.22% | 46.50 | 46.80 | 46.20 | 46.30 | 46.37 | 5.75 | 12,660 |   |  			
            | 6/24/2015 | -0.20 / -0.43% | 46.70 | 46.70 | 46.20 | 46.20 | 46.37 | 5.74 | 20,920 |   |  
            | 6/23/2015 | -0.40 / -0.85% | 46.10 | 46.80 | 46.10 | 46.40 | 46.50 | 5.76 | 8,430 |   |  |