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            | 
                    Closing price on 6/17/2013
                 |  |  
    
        |           
                
                    | Open | 4.40 |  
                    | High | 4.40 |  
                    | Low | 4.30 |  
                    | Volume | 45,990 |  
                    | Split-adjusted Price | 1.65 |  
                
             | 
 |  VTO Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/17/2013 | 0.00 / 0.00% | 4.40 | 4.40 | 4.30 | 4.40 | 4.40 | 1.65 | 45,990 |   |  
            | 6/14/2013 | +0.10 / +2.33% | 4.40 | 4.50 | 4.40 | 4.40 | 4.40 | 1.65 | 63,090 |   |  			
            | 6/13/2013 | -0.20 / -4.44% | 4.40 | 4.50 | 4.30 | 4.30 | 4.30 | 1.61 | 109,110 |   |  
            | 6/12/2013 | 0.00 / 0.00% | 4.50 | 4.50 | 4.40 | 4.50 | 4.50 | 1.69 | 79,200 |   |  			
            | 6/11/2013 | 0.00 / 0.00% | 4.50 | 4.50 | 4.40 | 4.50 | 4.50 | 1.69 | 43,380 |   |  
            | 6/10/2013 | 0.00 / 0.00% | 4.50 | 4.60 | 4.50 | 4.50 | 4.50 | 1.69 | 92,320 |   |  			
            | 6/7/2013 | +0.10 / +2.27% | 4.40 | 4.60 | 4.40 | 4.50 | 4.50 | 1.69 | 111,070 |   |  
            | 6/6/2013 | +0.10 / +2.33% | 4.30 | 4.50 | 4.30 | 4.40 | 4.40 | 1.65 | 69,710 |   |  			
            | 6/5/2013 | 0.00 / 0.00% | 4.30 | 4.40 | 4.30 | 4.30 | 4.30 | 1.61 | 162,890 |   |  
            | 6/4/2013 | -0.20 / -4.44% | 4.50 | 4.60 | 4.30 | 4.30 | 4.30 | 1.61 | 263,030 |   |  			
            | 6/3/2013 | -0.10 / -2.17% | 4.50 | 4.60 | 4.40 | 4.50 | 4.50 | 1.69 | 242,210 |   |  
            | 5/31/2013 | +0.10 / +2.22% | 4.60 | 4.70 | 4.50 | 4.60 | 4.60 | 1.72 | 232,460 |   |  			
            | 5/30/2013 | 0.00 / 0.00% | 4.40 | 4.60 | 4.40 | 4.50 | 4.50 | 1.69 | 64,100 |   |  
            | 5/29/2013 | +0.20 / +4.65% | 4.40 | 4.60 | 4.40 | 4.50 | 4.50 | 1.69 | 364,430 |   |  			
            | 5/28/2013 | +0.10 / +2.38% | 4.20 | 4.40 | 4.20 | 4.30 | 4.30 | 1.61 | 357,930 |   |  
            | 5/27/2013 | +0.20 / +5.00% | 4.10 | 4.20 | 4.10 | 4.20 | 4.20 | 1.57 | 354,770 |   |  			
            | 5/24/2013 | 0.00 / 0.00% | 4.10 | 4.10 | 4.00 | 4.00 | 4.00 | 1.50 | 100,750 |   |  
            | 5/23/2013 | -0.10 / -2.44% | 4.10 | 4.20 | 4.00 | 4.00 | 4.00 | 1.50 | 78,410 |   |  			
            | 5/22/2013 | 0.00 / 0.00% | 4.10 | 4.20 | 4.10 | 4.10 | 4.10 | 1.54 | 99,010 |   |  
            | 5/21/2013 | +0.10 / +2.50% | 4.10 | 4.20 | 4.00 | 4.10 | 4.10 | 1.54 | 282,810 |   |  			
            | 5/20/2013 | 0.00 / 0.00% | 4.10 | 4.10 | 4.00 | 4.00 | 4.00 | 1.50 | 48,420 |   |  
            | 5/17/2013 | -0.10 / -2.44% | 4.00 | 4.10 | 3.90 | 4.00 | 4.00 | 1.50 | 103,650 |   |  			
            | 5/16/2013 | +0.20 / +5.13% | 4.00 | 4.10 | 3.90 | 4.10 | 4.10 | 1.54 | 70,950 |   |  
            | 5/15/2013 | -0.10 / -2.50% | 4.00 | 4.10 | 3.90 | 3.90 | 3.90 | 1.46 | 91,020 |   |  			
            | 5/14/2013 | -0.10 / -2.44% | 4.20 | 4.20 | 3.90 | 4.00 | 4.00 | 1.50 | 729,320 |   |  
            | 5/13/2013 | -0.10 / -2.38% | 4.20 | 4.30 | 4.10 | 4.10 | 4.10 | 1.54 | 40,680 |   |  			
            | 5/10/2013 | 0.00 / 0.00% | 4.20 | 4.30 | 4.10 | 4.20 | 4.20 | 1.57 | 25,140 |   |  
            | 5/9/2013 | -0.10 / -2.33% | 4.30 | 4.30 | 4.20 | 4.20 | 4.20 | 1.57 | 79,220 |   |  			
            | 5/8/2013 | 0.00 / 0.00% | 4.30 | 4.30 | 4.20 | 4.30 | 4.30 | 1.61 | 30,950 |   |  
            | 5/7/2013 | 0.00 / 0.00% | 4.30 | 4.30 | 4.20 | 4.30 | 4.30 | 1.61 | 52,820 |   |  |