| 
    
        
            | 
                    Closing price on 8/6/2012
                 |  |  
    
        |           
                
                    | Open | 11.40 |  
                    | High | 12.00 |  
                    | Low | 11.40 |  
                    | Volume | 23,900 |  
                    | Split-adjusted Price | 1.55 |  
                
             | 
 |  VCS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/6/2012 | +0.10 / +0.88% | 11.40 | 12.00 | 11.40 | 11.50 | 11.50 | 1.55 | 23,900 |   |  
            | 8/3/2012 | 0.00 / 0.00% | 11.40 | 11.40 | 11.40 | 11.40 | 11.40 | 1.54 | 94 |   |  			
            | 8/2/2012 | +0.40 / +3.64% | 11.30 | 11.40 | 11.30 | 11.40 | 11.40 | 1.54 | 10,000 |   |  
            | 8/1/2012 | 0.00 / 0.00% | 11.00 | 11.00 | 11.00 | 11.00 | 11.00 | 1.48 | 0 |   |  			
            | 7/31/2012 | -0.10 / -0.90% | 11.10 | 11.10 | 11.00 | 11.00 | 11.00 | 1.48 | 16,100 |   |  
            | 7/30/2012 | -0.10 / -0.89% | 11.30 | 11.40 | 11.10 | 11.10 | 11.10 | 1.49 | 2,600 |   |  			
            | 7/27/2012 | -0.70 / -5.88% | 11.10 | 11.30 | 11.10 | 11.20 | 11.20 | 1.51 | 108,800 |   |  
            | 7/26/2012 | -0.20 / -1.65% | 11.90 | 11.90 | 11.90 | 11.90 | 11.90 | 1.60 | 3,090,644 |   |  			
            | 7/25/2012 | 0.00 / 0.00% | 11.80 | 12.10 | 11.70 | 12.10 | 12.10 | 1.63 | 7,000 |   |  
            | 7/24/2012 | 0.00 / 0.00% | 11.80 | 12.10 | 11.70 | 12.10 | 12.10 | 1.63 | 7,000 |   |  			
            | 7/23/2012 | 0.00 / 0.00% | 11.70 | 12.10 | 11.70 | 12.10 | 12.10 | 1.63 | 3,500 |   |  
            | 7/20/2012 | 0.00 / 0.00% | 12.30 | 12.30 | 12.10 | 12.10 | 12.10 | 1.63 | 19,500 |   |  			
            | 7/19/2012 | +0.10 / +0.83% | 12.00 | 12.10 | 11.60 | 12.10 | 12.10 | 1.63 | 44,500 |   |  
            | 7/18/2012 | 0.00 / 0.00% | 11.80 | 12.00 | 11.60 | 12.00 | 12.00 | 1.62 | 3,600 |   |  			
            | 7/17/2012 | 0.00 / 0.00% | 12.00 | 12.00 | 12.00 | 12.00 | 12.00 | 1.62 | 0 |   |  
            | 7/16/2012 | +0.10 / +0.84% | 12.20 | 12.20 | 11.30 | 12.00 | 12.00 | 1.62 | 16,000 |   |  			
            | 7/13/2012 | -0.40 / -3.25% | 11.90 | 12.10 | 11.90 | 11.90 | 11.90 | 1.60 | 41,500 |   |  
            | 7/12/2012 | +0.50 / +4.24% | 11.80 | 12.30 | 11.80 | 12.30 | 12.30 | 1.66 | 28,600 |   |  			
            | 7/11/2012 | 0.00 / 0.00% | 11.70 | 11.80 | 11.70 | 11.80 | 11.80 | 1.59 | 21,000 |   |  
            | 7/10/2012 | 0.00 / 0.00% | 11.50 | 11.80 | 11.50 | 11.80 | 11.80 | 1.59 | 35,600 |   |  			
            | 7/9/2012 | -0.10 / -0.84% | 11.90 | 12.20 | 11.80 | 11.80 | 11.80 | 1.59 | 29,500 |   |  
            | 7/6/2012 | -0.10 / -0.83% | 11.90 | 11.90 | 11.90 | 11.90 | 11.90 | 1.60 | 3,000 |   |  			
            | 7/5/2012 | +0.20 / +1.69% | 11.50 | 12.00 | 11.50 | 12.00 | 12.00 | 1.62 | 10,900 |   |  
            | 7/4/2012 | +0.10 / +0.85% | 11.80 | 11.80 | 11.80 | 11.80 | 11.80 | 1.59 | 1,000 |   |  			
            | 7/3/2012 | -0.50 / -4.10% | 12.20 | 12.20 | 11.60 | 11.70 | 11.70 | 1.58 | 7,700 |   |  
            | 7/2/2012 | -0.80 / -6.15% | 12.80 | 12.80 | 12.20 | 12.20 | 12.20 | 1.64 | 5,000 |   |  			
            | 6/29/2012 | +0.70 / +5.69% | 11.90 | 13.00 | 11.80 | 13.00 | 13.00 | 1.75 | 43,600 |   |  
            | 6/28/2012 | 0.00 / 0.00% | 11.70 | 12.30 | 11.70 | 12.30 | 12.30 | 1.66 | 40,600 |   |  			
            | 6/27/2012 | +0.10 / +0.82% | 11.60 | 12.30 | 11.60 | 12.30 | 12.30 | 1.66 | 8,000 |   |  
            | 6/26/2012 | 0.00 / 0.00% | 12.10 | 12.20 | 12.10 | 12.20 | 12.20 | 1.64 | 2,000 |   |  |