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                    Closing price on 7/11/2011
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                    | Open | 23.20 |  
                    | High | 23.20 |  
                    | Low | 23.20 |  
                    | Volume | 200 |  
                    | Split-adjusted Price | 23.20 |  
                
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 |  VTS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/11/2011 | -1.70 / -6.83% | 23.20 | 23.20 | 23.20 | 23.20 | 23.20 | 23.20 | 200 |   |  
            | 7/8/2011 | +1.50 / +6.41% | 24.90 | 24.90 | 24.90 | 24.90 | 24.90 | 24.90 | 100 |   |  			
            | 7/7/2011 | 0.00 / 0.00% | 23.40 | 23.40 | 23.40 | 23.40 | 23.40 | 23.40 | 300 |   |  
            | 7/6/2011 | +0.90 / +4.00% | 22.70 | 23.40 | 22.70 | 23.40 | 23.40 | 23.40 | 700 |   |  			
            | 7/5/2011 | 0.00 / 0.00% | 22.50 | 22.50 | 22.50 | 22.50 | 22.50 | 22.50 | 0 |   |  
            | 7/4/2011 | 0.00 / 0.00% | 22.50 | 22.50 | 22.50 | 22.50 | 22.50 | 22.50 | 0 |   |  			
            | 7/1/2011 | 0.00 / 0.00% | 22.50 | 22.50 | 22.50 | 22.50 | 22.50 | 22.50 | 0 |   |  
            | 6/30/2011 | 0.00 / 0.00% | 22.50 | 22.50 | 22.50 | 22.50 | 22.50 | 22.50 | 0 |   |  			
            | 6/29/2011 | 0.00 / 0.00% | 22.50 | 22.50 | 22.50 | 22.50 | 22.50 | 22.50 | 0 |   |  
            | 6/28/2011 | +1.00 / +4.65% | 22.50 | 22.50 | 22.50 | 22.50 | 22.50 | 22.50 | 100 |   |  			
            | 6/27/2011 | -1.10 / -4.87% | 21.50 | 21.50 | 21.50 | 21.50 | 21.50 | 21.50 | 2,000 |   |  
            | 6/24/2011 | -1.40 / -5.83% | 25.50 | 25.50 | 22.40 | 22.60 | 22.60 | 22.60 | 500 |   |  			
            | 6/23/2011 | +1.60 / +7.14% | 24.00 | 24.00 | 24.00 | 24.00 | 24.00 | 24.00 | 1,000 |   |  
            | 6/22/2011 | -2.20 / -8.94% | 25.30 | 25.30 | 22.40 | 22.40 | 22.40 | 22.40 | 200 |   |  			
            | 6/21/2011 | +0.40 / +1.65% | 22.20 | 24.60 | 22.20 | 24.60 | 24.60 | 24.60 | 300 |   |  
            | 6/20/2011 | +1.10 / +4.76% | 24.30 | 24.30 | 23.00 | 24.20 | 24.20 | 24.20 | 3,400 |   |  			
            | 6/17/2011 | -1.50 / -6.10% | 23.20 | 23.30 | 23.10 | 23.10 | 23.10 | 23.10 | 4,100 |   |  
            | 6/16/2011 | +1.40 / +6.03% | 24.60 | 24.60 | 24.60 | 24.60 | 24.60 | 24.60 | 3,400 |   |  			
            | 6/15/2011 | -0.20 / -0.85% | 23.10 | 24.80 | 23.10 | 23.20 | 23.20 | 23.20 | 2,600 |   |  
            | 6/14/2011 | +0.40 / +1.74% | 23.30 | 25.00 | 23.30 | 23.40 | 23.40 | 23.40 | 3,200 |   |  			
            | 6/13/2011 | -1.00 / -4.17% | 22.30 | 25.50 | 22.30 | 23.00 | 23.00 | 23.00 | 1,800 |   |  
            | 6/10/2011 | +1.50 / +6.67% | 23.80 | 24.00 | 23.00 | 24.00 | 24.00 | 24.00 | 3,400 |   |  			
            | 6/9/2011 | 0.00 / 0.00% | 21.50 | 22.50 | 21.50 | 22.50 | 22.50 | 22.50 | 2,300 |   |  
            | 6/8/2011 | -0.60 / -2.60% | 22.50 | 22.50 | 22.50 | 22.50 | 22.50 | 22.50 | 200 |   |  			
            | 6/7/2011 | +1.30 / +5.96% | 20.20 | 23.10 | 20.20 | 23.10 | 23.10 | 23.10 | 5,600 |   |  
            | 6/6/2011 | +0.80 / +3.81% | 19.00 | 21.80 | 19.00 | 21.80 | 21.80 | 21.80 | 3,200 |   |  			
            | 6/3/2011 | -9.60 / -31.37% | 18.90 | 21.00 | 18.90 | 21.00 | 21.00 | 21.00 | 6,900 |   |  
            | 6/2/2011 | +4.40 / +16.79% | 30.20 | 30.60 | 30.20 | 30.60 | 30.60 | 30.60 | 2,700 |   |  			
            | 6/1/2011 | -2.30 / -8.07% | 26.40 | 29.90 | 26.20 | 26.20 | 26.20 | 26.20 | 6,500 |   |  
            | 5/31/2011 | +1.40 / +5.17% | 25.50 | 28.50 | 25.50 | 28.50 | 28.50 | 28.50 | 1,500 |   |  |