| 
    
        
            | 
                    Closing price on 6/28/2013
                 |  |  
    
        |           
                
                    | Open | 42.50 |  
                    | High | 42.50 |  
                    | Low | 42.00 |  
                    | Volume | 45,710 |  
                    | Split-adjusted Price | 2.81 |  
                
             | 
 |  VSC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/28/2013 | -0.70 / -1.64% | 42.50 | 42.50 | 42.00 | 42.00 | 42.00 | 2.81 | 45,710 |   |  
            | 6/27/2013 | +0.70 / +1.67% | 42.00 | 42.70 | 42.00 | 42.70 | 42.70 | 2.86 | 52,820 |   |  			
            | 6/26/2013 | 0.00 / 0.00% | 42.00 | 43.00 | 41.80 | 42.00 | 42.00 | 2.81 | 56,810 |   |  
            | 6/25/2013 | -2.80 / -6.25% | 44.10 | 44.60 | 41.80 | 42.00 | 42.00 | 2.81 | 323,700 |   |  			
            | 6/24/2013 | -0.90 / -1.97% | 45.70 | 45.70 | 44.80 | 44.80 | 44.80 | 3.00 | 36,230 |   |  
            | 6/21/2013 | -1.00 / -2.14% | 46.40 | 46.40 | 45.10 | 45.70 | 45.70 | 3.06 | 12,470 |   |  			
            | 6/20/2013 | -0.20 / -0.43% | 46.90 | 47.00 | 46.70 | 46.70 | 46.70 | 3.13 | 8,150 |   |  
            | 6/19/2013 | +0.90 / +1.96% | 46.50 | 46.90 | 46.10 | 46.90 | 46.90 | 3.14 | 41,600 |   |  			
            | 6/18/2013 | 0.00 / 0.00% | 46.00 | 46.30 | 45.10 | 46.00 | 46.00 | 3.08 | 22,500 |   |  
            | 6/17/2013 | -2.00 / -4.17% | 46.20 | 47.90 | 46.00 | 46.00 | 46.00 | 3.08 | 49,240 |   |  			
            | 6/14/2013 | 0.00 / 0.00% | 48.00 | 49.00 | 47.50 | 48.00 | 48.00 | 3.21 | 45,320 |   |  
            | 6/13/2013 | +2.80 / +6.19% | 46.00 | 48.00 | 45.30 | 48.00 | 48.00 | 3.21 | 107,940 |   |  			
            | 6/12/2013 | +2.40 / +5.61% | 42.90 | 45.30 | 42.90 | 45.20 | 45.20 | 3.03 | 130,760 |   |  
            | 6/11/2013 | -0.20 / -0.47% | 42.80 | 44.00 | 42.80 | 42.80 | 42.80 | 2.86 | 27,120 |   |  			
            | 6/10/2013 | 0.00 / 0.00% | 44.00 | 44.50 | 43.00 | 43.00 | 43.00 | 2.88 | 35,510 |   |  
            | 6/7/2013 | +0.40 / +0.94% | 43.90 | 43.90 | 42.60 | 43.00 | 43.00 | 2.88 | 66,620 |   |  			
            | 6/6/2013 | 0.00 / 0.00% | 42.60 | 42.80 | 42.50 | 42.60 | 42.60 | 2.85 | 130,050 |   |  
            | 6/5/2013 | +0.10 / +0.24% | 42.50 | 42.90 | 42.50 | 42.60 | 42.60 | 2.85 | 13,600 |   |  			
            | 6/4/2013 | 0.00 / 0.00% | 42.60 | 42.80 | 42.40 | 42.50 | 42.50 | 2.84 | 54,920 |   |  
            | 6/3/2013 | -0.30 / -0.70% | 42.80 | 42.80 | 42.40 | 42.50 | 42.50 | 2.84 | 35,500 |   |  			
            | 5/31/2013 | +1.30 / +3.13% | 42.00 | 42.80 | 42.00 | 42.80 | 42.80 | 2.86 | 95,110 |   |  
            | 5/30/2013 | 0.00 / 0.00% | 41.80 | 41.80 | 41.50 | 41.50 | 41.50 | 2.78 | 26,900 |   |  			
            | 5/29/2013 | -0.10 / -0.24% | 42.00 | 42.00 | 41.50 | 41.50 | 41.50 | 2.78 | 32,880 |   |  
            | 5/28/2013 | -0.40 / -0.95% | 41.50 | 41.90 | 41.30 | 41.60 | 41.60 | 2.78 | 35,630 |   |  			
            | 5/27/2013 | +0.80 / +1.94% | 43.50 | 43.50 | 42.00 | 42.00 | 42.00 | 2.81 | 25,110 |   |  
            | 5/24/2013 | -0.40 / -0.96% | 41.20 | 41.60 | 41.20 | 41.20 | 41.20 | 2.76 | 11,220 |   |  			
            | 5/23/2013 | -0.20 / -0.48% | 41.50 | 41.90 | 41.50 | 41.60 | 41.60 | 2.78 | 27,030 |   |  
            | 5/22/2013 | -0.40 / -0.95% | 42.60 | 42.60 | 41.80 | 41.80 | 41.80 | 2.80 | 29,540 |   |  			
            | 5/21/2013 | +0.40 / +0.96% | 41.80 | 42.30 | 41.80 | 42.20 | 42.20 | 2.82 | 45,570 |   |  
            | 5/20/2013 | +0.40 / +0.97% | 41.00 | 41.80 | 41.00 | 41.80 | 41.80 | 2.80 | 3,510 |   |  |