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                    Closing price on 8/5/2014
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                    | Open | 4.10 |  
                    | High | 4.10 |  
                    | Low | 4.00 |  
                    | Volume | 130,480 |  
                    | Split-adjusted Price | 3.82 |  
                
             | 
 |  VOS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 8/5/2014 | 0.00 / 0.00% | 4.10 | 4.10 | 4.00 | 4.10 | 4.10 | 3.82 | 130,480 |   |  
            | 8/4/2014 | 0.00 / 0.00% | 4.10 | 4.10 | 4.00 | 4.10 | 4.10 | 3.82 | 72,670 |   |  			
            | 8/1/2014 | +0.10 / +2.50% | 4.00 | 4.10 | 4.00 | 4.10 | 4.10 | 3.82 | 82,450 |   |  
            | 7/31/2014 | 0.00 / 0.00% | 4.00 | 4.10 | 4.00 | 4.00 | 4.00 | 3.72 | 39,460 |   |  			
            | 7/30/2014 | 0.00 / 0.00% | 4.10 | 4.10 | 3.90 | 4.00 | 4.00 | 3.72 | 87,070 |   |  
            | 7/29/2014 | -0.10 / -2.44% | 4.00 | 4.10 | 4.00 | 4.00 | 4.00 | 3.72 | 133,680 |   |  			
            | 7/28/2014 | -0.10 / -2.38% | 4.20 | 4.30 | 4.00 | 4.10 | 4.10 | 3.82 | 278,530 |   |  
            | 7/25/2014 | -0.10 / -2.33% | 4.40 | 4.40 | 4.20 | 4.20 | 4.20 | 3.91 | 106,550 |   |  			
            | 7/24/2014 | +0.20 / +4.88% | 4.10 | 4.30 | 4.00 | 4.30 | 4.30 | 4.00 | 511,360 |   |  
            | 7/23/2014 | -0.10 / -2.38% | 4.20 | 4.20 | 4.10 | 4.10 | 4.10 | 3.82 | 117,600 |   |  			
            | 7/22/2014 | +0.10 / +2.44% | 4.10 | 4.30 | 4.00 | 4.20 | 4.20 | 3.91 | 270,070 |   |  
            | 7/21/2014 | 0.00 / 0.00% | 4.10 | 4.10 | 4.00 | 4.10 | 4.10 | 3.82 | 273,910 |   |  			
            | 7/18/2014 | -0.20 / -4.65% | 4.20 | 4.30 | 4.10 | 4.10 | 4.10 | 3.82 | 55,320 |   |  
            | 7/17/2014 | 0.00 / 0.00% | 4.30 | 4.30 | 4.20 | 4.30 | 4.30 | 4.00 | 50,620 |   |  			
            | 7/16/2014 | +0.10 / +2.38% | 4.20 | 4.40 | 4.10 | 4.30 | 4.30 | 4.00 | 319,110 |   |  
            | 7/15/2014 | +0.20 / +5.00% | 4.00 | 4.20 | 4.00 | 4.20 | 4.20 | 3.91 | 135,410 |   |  			
            | 7/14/2014 | -0.10 / -2.44% | 4.00 | 4.10 | 4.00 | 4.00 | 4.00 | 3.72 | 31,890 |   |  
            | 7/11/2014 | 0.00 / 0.00% | 4.00 | 4.10 | 4.00 | 4.10 | 4.10 | 3.82 | 140,120 |   |  			
            | 7/10/2014 | -0.10 / -2.38% | 4.30 | 4.30 | 4.00 | 4.10 | 4.10 | 3.82 | 190,730 |   |  
            | 7/9/2014 | +0.20 / +5.00% | 4.00 | 4.20 | 4.00 | 4.20 | 4.20 | 3.91 | 434,220 |   |  			
            | 7/8/2014 | 0.00 / 0.00% | 4.00 | 4.10 | 3.90 | 4.00 | 4.00 | 3.72 | 162,640 |   |  
            | 7/7/2014 | -0.10 / -2.44% | 4.10 | 4.10 | 4.00 | 4.00 | 4.00 | 3.72 | 73,720 |   |  			
            | 7/4/2014 | +0.10 / +2.50% | 4.00 | 4.10 | 3.90 | 4.10 | 4.10 | 3.82 | 71,140 |   |  
            | 7/3/2014 | 0.00 / 0.00% | 4.00 | 4.00 | 3.90 | 4.00 | 4.00 | 3.72 | 120,700 |   |  			
            | 7/2/2014 | +0.10 / +2.56% | 4.00 | 4.10 | 3.90 | 4.00 | 4.00 | 3.72 | 190,200 |   |  
            | 7/1/2014 | 0.00 / 0.00% | 3.90 | 4.00 | 3.90 | 3.90 | 3.90 | 3.63 | 31,180 |   |  			
            | 6/30/2014 | +0.10 / +2.63% | 3.80 | 4.00 | 3.80 | 3.90 | 3.90 | 3.63 | 162,090 |   |  
            | 6/27/2014 | 0.00 / 0.00% | 3.90 | 3.90 | 3.80 | 3.80 | 3.80 | 3.54 | 181,650 |   |  			
            | 6/26/2014 | 0.00 / 0.00% | 3.80 | 4.00 | 3.80 | 3.80 | 3.80 | 3.54 | 415,650 |   |  
            | 6/25/2014 | 0.00 / 0.00% | 3.90 | 3.90 | 3.80 | 3.80 | 3.80 | 3.54 | 287,600 |   |  |