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                    Closing price on 8/24/2012
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                    | Open | 3.50 |  
                    | High | 3.70 |  
                    | Low | 3.50 |  
                    | Volume | 80,100 |  
                    | Split-adjusted Price | 3.50 |  
                
             | 
 |  V15 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/24/2012 | -0.20 / -5.41% | 3.50 | 3.70 | 3.50 | 3.50 | 3.70 | 3.50 | 80,100 |   |  
            | 8/23/2012 | -0.20 / -5.13% | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 3.70 | 2,500 |   |  			
            | 8/22/2012 | -0.20 / -4.88% | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 3.90 | 11,600 |   |  
            | 8/21/2012 | -0.20 / -4.65% | 4.20 | 4.20 | 4.10 | 4.10 | 4.10 | 4.10 | 8,400 |   |  			
            | 8/20/2012 | -0.20 / -4.44% | 4.40 | 4.40 | 4.30 | 4.30 | 4.30 | 4.30 | 9,200 |   |  
            | 8/17/2012 | -0.10 / -2.17% | 4.40 | 4.50 | 4.30 | 4.50 | 4.43 | 4.50 | 10,000 |   |  			
            | 8/16/2012 | 0.00 / 0.00% | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 4.60 | 2,100 |   |  
            | 8/15/2012 | 0.00 / 0.00% | 4.50 | 4.60 | 4.50 | 4.60 | 4.60 | 4.60 | 500 |   |  			
            | 8/14/2012 | 0.00 / 0.00% | 4.60 | 4.60 | 4.40 | 4.60 | 4.60 | 4.60 | 13,700 |   |  
            | 8/13/2012 | 0.00 / 0.00% | 4.40 | 4.60 | 4.40 | 4.60 | 4.60 | 4.60 | 3,500 |   |  			
            | 8/10/2012 | -0.20 / -4.17% | 4.60 | 4.60 | 4.50 | 4.60 | 4.58 | 4.60 | 7,900 |   |  
            | 8/9/2012 | +0.10 / +2.13% | 4.80 | 4.80 | 4.50 | 4.80 | 4.80 | 4.80 | 1,500 |   |  			
            | 8/8/2012 | +0.10 / +2.17% | 4.60 | 4.70 | 4.50 | 4.70 | 4.70 | 4.70 | 7,100 |   |  
            | 8/7/2012 | -0.30 / -6.12% | 4.50 | 4.70 | 4.50 | 4.60 | 4.60 | 4.60 | 4,400 |   |  			
            | 8/6/2012 | +0.20 / +4.26% | 4.70 | 4.90 | 4.70 | 4.90 | 4.90 | 4.90 | 6,200 |   |  
            | 8/3/2012 | +0.10 / +2.17% | 4.80 | 4.80 | 4.60 | 4.70 | 4.60 | 4.70 | 600 |   |  			
            | 8/2/2012 | 0.00 / 0.00% | 4.70 | 4.70 | 4.60 | 4.60 | 4.60 | 4.60 | 600 |   |  
            | 8/1/2012 | -0.10 / -2.13% | 4.60 | 4.60 | 4.40 | 4.60 | 4.60 | 4.60 | 5,500 |   |  			
            | 7/31/2012 | -0.10 / -2.08% | 4.50 | 4.70 | 4.50 | 4.70 | 4.70 | 4.70 | 1,900 |   |  
            | 7/30/2012 | +0.30 / +6.67% | 4.40 | 4.80 | 4.30 | 4.80 | 4.80 | 4.80 | 12,100 |   |  			
            | 7/27/2012 | -0.30 / -6.25% | 4.60 | 4.70 | 4.50 | 4.50 | 4.58 | 4.50 | 32,800 |   |  
            | 7/26/2012 | 0.00 / 0.00% | 4.70 | 4.90 | 4.60 | 4.80 | 4.80 | 4.80 | 13,100 |   |  			
            | 7/25/2012 | +0.30 / +6.67% | 4.60 | 4.80 | 4.50 | 4.80 | 4.80 | 4.80 | 2,100 |   |  
            | 7/24/2012 | -0.30 / -6.25% | 4.70 | 4.70 | 4.50 | 4.50 | 4.50 | 4.50 | 9,300 |   |  			
            | 7/23/2012 | -0.30 / -5.88% | 4.90 | 5.10 | 4.80 | 4.80 | 4.80 | 4.80 | 50,000 |   |  
            | 7/20/2012 | 0.00 / 0.00% | 5.30 | 5.30 | 5.00 | 5.10 | 5.10 | 5.10 | 24,600 |   |  			
            | 7/19/2012 | +0.30 / +6.25% | 4.80 | 5.10 | 4.60 | 5.10 | 5.10 | 5.10 | 68,200 |   |  
            | 7/18/2012 | 0.00 / 0.00% | 5.00 | 5.00 | 4.60 | 4.80 | 4.80 | 4.80 | 52,600 |   |  			
            | 7/17/2012 | +0.30 / +6.67% | 4.50 | 4.80 | 4.30 | 4.80 | 4.80 | 4.80 | 39,500 |   |  
            | 7/16/2012 | +0.10 / +2.27% | 4.40 | 4.60 | 4.30 | 4.50 | 4.50 | 4.50 | 11,900 |   |  |