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                    Closing price on 9/20/2012
                 |  |  
    
        |           
                
                    | Open | 9.00 |  
                    | High | 9.40 |  
                    | Low | 9.00 |  
                    | Volume | 40,100 |  
                    | Split-adjusted Price | 1.27 |  
                
             | 
 |  VCS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/20/2012 | -0.20 / -2.08% | 9.00 | 9.40 | 9.00 | 9.40 | 9.40 | 1.27 | 40,100 |   |  
            | 9/19/2012 | 0.00 / 0.00% | 9.60 | 9.60 | 9.60 | 9.60 | 9.60 | 1.29 | 1,000 |   |  			
            | 9/18/2012 | 0.00 / 0.00% | 9.60 | 9.60 | 9.60 | 9.60 | 9.60 | 1.29 | 1,000 |   |  
            | 9/17/2012 | -0.10 / -1.03% | 9.50 | 9.60 | 9.50 | 9.60 | 9.60 | 1.29 | 4,900 |   |  			
            | 9/14/2012 | +0.10 / +1.04% | 9.80 | 9.80 | 9.60 | 9.70 | 9.70 | 1.31 | 4,700 |   |  
            | 9/13/2012 | +0.30 / +3.23% | 9.30 | 9.60 | 9.20 | 9.60 | 9.60 | 1.29 | 5,481 |   |  			
            | 9/12/2012 | -0.70 / -7.00% | 9.30 | 9.30 | 9.30 | 9.30 | 9.30 | 1.25 | 200 |   |  
            | 9/11/2012 | +0.50 / +5.26% | 9.20 | 10.00 | 9.10 | 10.00 | 10.00 | 1.35 | 15,815 |   |  			
            | 9/10/2012 | -0.70 / -6.86% | 9.60 | 9.60 | 9.50 | 9.50 | 9.50 | 1.28 | 2,100 |   |  
            | 9/7/2012 | -0.70 / -6.42% | 10.20 | 10.20 | 10.20 | 10.20 | 10.20 | 1.37 | 18,300 |   |  			
            | 9/6/2012 | -0.10 / -0.91% | 10.90 | 10.90 | 10.90 | 10.90 | 10.90 | 1.47 | 1,000 |   |  
            | 9/5/2012 | -0.50 / -4.35% | 11.00 | 11.20 | 11.00 | 11.00 | 11.00 | 1.48 | 1,200 |   |  			
            | 9/4/2012 | 0.00 / 0.00% | 10.70 | 11.50 | 10.70 | 11.50 | 11.50 | 1.55 | 1,100 |   |  
            | 8/31/2012 | 0.00 / 0.00% | 10.80 | 11.50 | 10.70 | 11.50 | 11.50 | 1.55 | 18,600 |   |  			
            | 8/30/2012 | +0.50 / +4.55% | 10.10 | 11.50 | 10.10 | 11.50 | 11.50 | 1.55 | 4,027 |   |  
            | 8/29/2012 | +0.70 / +6.80% | 10.40 | 11.00 | 10.40 | 11.00 | 11.00 | 1.48 | 14,600 |   |  			
            | 8/28/2012 | 0.00 / 0.00% | 10.40 | 10.40 | 10.30 | 10.30 | 10.30 | 1.39 | 700 |   |  
            | 8/27/2012 | +0.30 / +3.00% | 9.30 | 10.30 | 9.30 | 10.30 | 10.30 | 1.39 | 17,700 |   |  			
            | 8/24/2012 | +0.60 / +6.38% | 9.40 | 10.00 | 9.00 | 10.00 | 10.00 | 1.35 | 4,600 |   |  
            | 8/23/2012 | -0.70 / -6.93% | 9.50 | 9.60 | 9.40 | 9.40 | 9.40 | 1.27 | 60,800 |   |  			
            | 8/22/2012 | -0.70 / -6.48% | 10.70 | 10.80 | 10.10 | 10.10 | 10.10 | 1.36 | 15,200 |   |  
            | 8/21/2012 | -0.80 / -6.90% | 11.50 | 11.60 | 10.80 | 10.80 | 10.80 | 1.45 | 90,500 |   |  			
            | 8/20/2012 | +0.20 / +1.75% | 11.10 | 11.60 | 11.10 | 11.60 | 11.60 | 1.56 | 10,200 |   |  
            | 8/17/2012 | -0.10 / -0.87% | 11.40 | 11.40 | 11.40 | 11.40 | 11.40 | 1.54 | 23,100 |   |  			
            | 8/16/2012 | -0.10 / -0.86% | 11.50 | 11.50 | 11.50 | 11.50 | 11.50 | 1.55 | 0 |   |  
            | 8/15/2012 | +0.10 / +0.87% | 11.50 | 11.60 | 11.40 | 11.60 | 11.60 | 1.56 | 27,400 |   |  			
            | 8/14/2012 | -0.10 / -0.86% | 11.70 | 11.70 | 11.50 | 11.50 | 11.50 | 1.55 | 6,500 |   |  
            | 8/13/2012 | +0.20 / +1.75% | 11.60 | 11.60 | 11.60 | 11.60 | 11.60 | 1.56 | 10,300 |   |  			
            | 8/10/2012 | -0.30 / -2.56% | 11.40 | 11.50 | 11.20 | 11.40 | 11.40 | 1.54 | 940,700 |   |  
            | 8/9/2012 | +0.20 / +1.74% | 11.70 | 12.00 | 11.50 | 11.70 | 11.70 | 1.58 | 11,800 |   |  |