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                    Closing price on 3/7/2013
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                    | Open | 2.90 |  
                    | High | 2.90 |  
                    | Low | 2.80 |  
                    | Volume | 35,500 |  
                    | Split-adjusted Price | 2.90 |  
                
             | 
 |  V15 Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/7/2013 | 0.00 / 0.00% | 2.90 | 2.90 | 2.80 | 2.90 | 2.90 | 2.90 | 35,500 |   |  
            | 3/6/2013 | +0.10 / +3.57% | 2.80 | 2.90 | 2.80 | 2.90 | 2.90 | 2.90 | 75,600 |   |  			
            | 3/5/2013 | -0.10 / -3.45% | 2.80 | 2.90 | 2.70 | 2.80 | 2.80 | 2.80 | 83,800 |   |  
            | 3/4/2013 | -0.10 / -3.33% | 3.30 | 3.30 | 2.80 | 2.90 | 2.90 | 2.90 | 78,600 |   |  			
            | 3/1/2013 | -0.10 / -3.23% | 3.10 | 3.10 | 2.80 | 3.00 | 3.10 | 3.00 | 104,300 |   |  
            | 2/28/2013 | -0.30 / -8.82% | 3.30 | 3.30 | 3.10 | 3.10 | 3.10 | 3.10 | 91,500 |   |  			
            | 2/27/2013 | -0.10 / -2.86% | 3.20 | 3.40 | 3.20 | 3.40 | 3.40 | 3.40 | 33,100 |   |  
            | 2/26/2013 | +0.20 / +6.06% | 3.60 | 3.60 | 3.30 | 3.50 | 3.50 | 3.50 | 612,200 |   |  			
            | 2/25/2013 | +0.30 / +10.00% | 3.10 | 3.30 | 3.00 | 3.30 | 3.30 | 3.30 | 285,400 |   |  
            | 2/22/2013 | 0.00 / 0.00% | 3.10 | 3.10 | 2.90 | 3.00 | 3.00 | 3.00 | 68,900 |   |  			
            | 2/21/2013 | -0.30 / -9.09% | 3.10 | 3.30 | 3.00 | 3.00 | 3.00 | 3.00 | 128,700 |   |  
            | 2/20/2013 | 0.00 / 0.00% | 3.20 | 3.30 | 3.10 | 3.30 | 3.30 | 3.30 | 55,000 |   |  			
            | 2/19/2013 | +0.10 / +3.13% | 3.10 | 3.30 | 3.10 | 3.30 | 3.30 | 3.30 | 114,900 |   |  
            | 2/18/2013 | +0.10 / +3.23% | 3.10 | 3.30 | 3.00 | 3.20 | 3.20 | 3.20 | 78,600 |   |  			
            | 2/8/2013 | 0.00 / 0.00% | 3.00 | 3.10 | 3.00 | 3.10 | 3.10 | 3.10 | 13,900 |   |  
            | 2/7/2013 | 0.00 / 0.00% | 3.20 | 3.20 | 3.00 | 3.10 | 3.10 | 3.10 | 29,800 |   |  			
            | 2/6/2013 | +0.10 / +3.33% | 3.00 | 3.10 | 3.00 | 3.10 | 3.10 | 3.10 | 39,300 |   |  
            | 2/5/2013 | 0.00 / 0.00% | 3.00 | 3.00 | 2.90 | 3.00 | 3.00 | 3.00 | 38,600 |   |  			
            | 2/4/2013 | 0.00 / 0.00% | 3.20 | 3.20 | 2.90 | 3.00 | 3.00 | 3.00 | 3,400 |   |  
            | 2/1/2013 | +0.10 / +3.45% | 3.00 | 3.00 | 2.80 | 3.00 | 2.90 | 3.00 | 24,400 |   |  			
            | 1/31/2013 | -0.10 / -3.33% | 2.90 | 3.00 | 2.90 | 2.90 | 2.90 | 2.90 | 12,600 |   |  
            | 1/30/2013 | +0.10 / +3.45% | 3.00 | 3.00 | 2.90 | 3.00 | 3.00 | 3.00 | 54,500 |   |  			
            | 1/29/2013 | -0.10 / -3.33% | 2.80 | 3.10 | 2.80 | 2.90 | 2.90 | 2.90 | 65,200 |   |  
            | 1/28/2013 | -0.20 / -6.25% | 3.20 | 3.20 | 3.00 | 3.00 | 3.00 | 3.00 | 100,000 |   |  			
            | 1/25/2013 | +0.10 / +3.23% | 3.20 | 3.20 | 3.00 | 3.20 | 3.10 | 3.20 | 34,000 |   |  
            | 1/24/2013 | +0.10 / +3.33% | 2.90 | 3.10 | 2.80 | 3.10 | 3.10 | 3.10 | 35,600 |   |  			
            | 1/23/2013 | -0.10 / -3.23% | 3.20 | 3.20 | 2.80 | 3.00 | 3.00 | 3.00 | 73,600 |   |  
            | 1/22/2013 | -0.10 / -3.13% | 3.20 | 3.30 | 3.10 | 3.10 | 3.10 | 3.10 | 52,300 |   |  			
            | 1/21/2013 | -0.10 / -3.03% | 3.30 | 3.30 | 3.20 | 3.20 | 3.20 | 3.20 | 37,800 |   |  
            | 1/18/2013 | -0.10 / -2.94% | 3.40 | 3.40 | 3.20 | 3.30 | 3.40 | 3.30 | 65,600 |   |  |