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                    Closing price on 5/7/2013
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        |           
                
                    | Open | 4.30 |  
                    | High | 4.30 |  
                    | Low | 4.20 |  
                    | Volume | 52,820 |  
                    | Split-adjusted Price | 1.61 |  
                
             | 
 |  VTO Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 5/7/2013 | 0.00 / 0.00% | 4.30 | 4.30 | 4.20 | 4.30 | 4.30 | 1.61 | 52,820 |   |  
            | 5/6/2013 | +0.20 / +4.88% | 4.10 | 4.30 | 4.10 | 4.30 | 4.30 | 1.61 | 172,190 |   |  			
            | 5/3/2013 | 0.00 / 0.00% | 4.10 | 4.20 | 3.90 | 4.10 | 4.10 | 1.54 | 227,980 |   |  
            | 5/2/2013 | 0.00 / 0.00% | 4.20 | 4.20 | 4.00 | 4.10 | 4.10 | 1.54 | 51,510 |   |  			
            | 4/26/2013 | +0.10 / +2.50% | 4.10 | 4.20 | 4.10 | 4.10 | 4.10 | 1.54 | 42,120 |   |  
            | 4/25/2013 | -0.10 / -2.44% | 4.10 | 4.20 | 4.00 | 4.00 | 4.00 | 1.50 | 158,300 |   |  			
            | 4/24/2013 | -0.30 / -6.82% | 4.20 | 4.20 | 4.10 | 4.10 | 4.10 | 1.54 | 73,110 |   |  
            | 4/23/2013 | 0.00 / 0.00% | 4.30 | 4.50 | 4.30 | 4.40 | 4.40 | 1.54 | 132,600 |   |  			
            | 4/22/2013 | -0.20 / -4.35% | 4.30 | 4.40 | 4.30 | 4.40 | 4.40 | 1.54 | 274,910 |   |  
            | 4/18/2013 | 0.00 / 0.00% | 4.70 | 4.70 | 4.50 | 4.60 | 4.60 | 1.61 | 89,250 |   |  			
            | 4/17/2013 | 0.00 / 0.00% | 4.60 | 4.70 | 4.50 | 4.60 | 4.60 | 1.61 | 40,850 |   |  
            | 4/16/2013 | +0.10 / +2.22% | 4.60 | 4.60 | 4.40 | 4.60 | 4.60 | 1.61 | 59,150 |   |  			
            | 4/15/2013 | -0.20 / -4.26% | 4.60 | 4.70 | 4.50 | 4.50 | 4.50 | 1.57 | 414,740 |   |  
            | 4/12/2013 | 0.00 / 0.00% | 4.80 | 4.80 | 4.60 | 4.70 | 4.70 | 1.64 | 42,140 |   |  			
            | 4/11/2013 | -0.10 / -2.08% | 4.70 | 4.80 | 4.70 | 4.70 | 4.70 | 1.64 | 69,650 |   |  
            | 4/10/2013 | 0.00 / 0.00% | 4.90 | 4.90 | 4.70 | 4.80 | 4.80 | 1.68 | 282,700 |   |  			
            | 4/9/2013 | 0.00 / 0.00% | 4.90 | 4.90 | 4.70 | 4.80 | 4.80 | 1.68 | 80,730 |   |  
            | 4/8/2013 | 0.00 / 0.00% | 4.80 | 4.90 | 4.80 | 4.80 | 4.80 | 1.68 | 67,850 |   |  			
            | 4/5/2013 | -0.30 / -5.88% | 4.80 | 5.00 | 4.80 | 4.80 | 4.80 | 1.68 | 260,670 |   |  
            | 4/4/2013 | +0.10 / +2.00% | 5.00 | 5.10 | 4.80 | 5.10 | 5.10 | 1.78 | 241,770 |   |  			
            | 4/3/2013 | -0.10 / -1.96% | 5.10 | 5.10 | 5.00 | 5.00 | 5.00 | 1.75 | 56,390 |   |  
            | 4/2/2013 | +0.10 / +2.00% | 5.00 | 5.10 | 4.90 | 5.10 | 5.10 | 1.78 | 383,310 |   |  			
            | 4/1/2013 | 0.00 / 0.00% | 5.00 | 5.10 | 4.90 | 5.00 | 5.00 | 1.75 | 95,220 |   |  
            | 3/29/2013 | +0.10 / +2.04% | 4.90 | 5.00 | 4.80 | 5.00 | 5.00 | 1.75 | 45,550 |   |  			
            | 3/28/2013 | -0.10 / -2.00% | 5.00 | 5.00 | 4.90 | 4.90 | 4.90 | 1.71 | 37,340 |   |  
            | 3/27/2013 | 0.00 / 0.00% | 4.90 | 5.10 | 4.90 | 5.00 | 5.00 | 1.75 | 77,700 |   |  			
            | 3/26/2013 | +0.10 / +2.04% | 5.10 | 5.20 | 5.00 | 5.00 | 5.00 | 1.75 | 111,720 |   |  
            | 3/25/2013 | -0.10 / -2.00% | 5.00 | 5.10 | 4.90 | 4.90 | 4.90 | 1.71 | 89,870 |   |  			
            | 3/22/2013 | -0.10 / -1.96% | 5.10 | 5.10 | 4.90 | 5.00 | 5.00 | 1.75 | 281,210 |   |  
            | 3/21/2013 | -0.10 / -1.92% | 5.10 | 5.20 | 5.00 | 5.10 | 5.10 | 1.78 | 109,610 |   |  |