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                    Closing price on 12/10/2012
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                    | Open | 32.40 |  
                    | High | 33.00 |  
                    | Low | 32.40 |  
                    | Volume | 39,250 |  
                    | Split-adjusted Price | 1.96 |  
                
             | 
 |  VSC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/10/2012 | +0.30 / +0.93% | 32.40 | 33.00 | 32.40 | 32.70 | 32.70 | 1.96 | 39,250 |   |  
            | 12/7/2012 | -0.10 / -0.31% | 32.40 | 32.80 | 32.40 | 32.40 | 32.40 | 1.95 | 14,570 |   |  			
            | 12/6/2012 | -0.20 / -0.61% | 33.00 | 33.00 | 32.50 | 32.50 | 32.50 | 1.95 | 8,210 |   |  
            | 12/5/2012 | +0.30 / +0.93% | 32.60 | 32.80 | 32.50 | 32.70 | 32.70 | 1.96 | 16,360 |   |  			
            | 12/4/2012 | +0.10 / +0.31% | 32.30 | 32.40 | 32.10 | 32.40 | 32.40 | 1.95 | 24,810 |   |  
            | 12/3/2012 | +0.40 / +1.25% | 32.30 | 32.30 | 32.00 | 32.30 | 32.30 | 1.94 | 24,680 |   |  			
            | 11/30/2012 | -0.30 / -0.93% | 32.50 | 32.50 | 31.90 | 31.90 | 31.90 | 1.92 | 60,710 |   |  
            | 11/29/2012 | -0.60 / -1.83% | 32.40 | 32.60 | 32.20 | 32.20 | 32.20 | 1.93 | 37,770 |   |  			
            | 11/28/2012 | +0.60 / +1.86% | 32.20 | 32.80 | 32.00 | 32.80 | 32.80 | 1.97 | 61,270 |   |  
            | 11/27/2012 | -0.20 / -0.62% | 32.40 | 32.50 | 31.50 | 32.20 | 32.20 | 1.93 | 139,350 |   |  			
            | 11/26/2012 | -0.10 / -0.31% | 32.50 | 32.50 | 32.40 | 32.40 | 32.40 | 1.95 | 2,220 |   |  
            | 11/23/2012 | +0.60 / +1.88% | 32.10 | 32.50 | 32.00 | 32.50 | 32.50 | 1.95 | 36,660 |   |  			
            | 11/22/2012 | -0.30 / -0.93% | 32.20 | 32.20 | 31.80 | 31.90 | 31.90 | 1.92 | 57,580 |   |  
            | 11/21/2012 | +0.20 / +0.63% | 32.00 | 32.20 | 31.50 | 32.20 | 32.20 | 1.93 | 58,180 |   |  			
            | 11/20/2012 | +0.40 / +1.27% | 32.00 | 32.00 | 31.50 | 32.00 | 32.00 | 1.92 | 31,250 |   |  
            | 11/19/2012 | -0.50 / -1.56% | 32.10 | 32.10 | 31.60 | 31.60 | 31.60 | 1.90 | 53,950 |   |  			
            | 11/16/2012 | +0.10 / +0.31% | 31.80 | 32.10 | 31.50 | 32.10 | 32.10 | 1.93 | 31,780 |   |  
            | 11/15/2012 | -0.60 / -1.84% | 32.70 | 32.80 | 32.00 | 32.00 | 32.00 | 1.92 | 20,130 |   |  			
            | 11/14/2012 | +1.00 / +3.16% | 31.70 | 33.10 | 31.70 | 32.60 | 32.60 | 1.96 | 90,010 |   |  
            | 11/13/2012 | +0.10 / +0.32% | 31.50 | 31.60 | 31.50 | 31.60 | 31.60 | 1.90 | 40,590 |   |  			
            | 11/12/2012 | 0.00 / 0.00% | 31.30 | 31.50 | 31.20 | 31.50 | 31.50 | 1.89 | 44,180 |   |  
            | 11/9/2012 | 0.00 / 0.00% | 31.50 | 31.60 | 31.50 | 31.50 | 31.50 | 1.89 | 18,400 |   |  			
            | 11/8/2012 | 0.00 / 0.00% | 31.50 | 31.70 | 31.50 | 31.50 | 31.50 | 1.89 | 53,430 |   |  
            | 11/7/2012 | 0.00 / 0.00% | 31.50 | 31.50 | 31.40 | 31.50 | 31.50 | 1.89 | 12,620 |   |  			
            | 11/6/2012 | 0.00 / 0.00% | 31.60 | 31.60 | 31.40 | 31.50 | 31.50 | 1.89 | 32,710 |   |  
            | 11/5/2012 | +1.20 / +3.96% | 31.00 | 31.60 | 31.00 | 31.50 | 31.50 | 1.89 | 2,400 |   |  			
            | 11/2/2012 | -0.10 / -0.33% | 30.00 | 31.40 | 29.50 | 30.30 | 30.30 | 1.82 | 126,880 |   |  
            | 11/1/2012 | -1.10 / -3.49% | 31.40 | 31.40 | 30.40 | 30.40 | 30.40 | 1.83 | 44,400 |   |  			
            | 10/31/2012 | 0.00 / 0.00% | 31.50 | 31.50 | 31.40 | 31.50 | 31.50 | 1.89 | 17,670 |   |  
            | 10/30/2012 | 0.00 / 0.00% | 31.20 | 31.70 | 31.10 | 31.50 | 31.50 | 1.89 | 61,720 |   |  |