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                    Closing price on 9/8/2014
                 |  |  
    
        |           
                
                    | Open | 7.80 |  
                    | High | 8.20 |  
                    | Low | 7.80 |  
                    | Volume | 402,300 |  
                    | Split-adjusted Price | 6.70 |  
                
             | 
 |  IVS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 9/8/2014 | 0.00 / 0.00% | 7.80 | 8.20 | 7.80 | 7.80 | 7.97 | 6.70 | 402,300 |   |  
            | 9/5/2014 | +0.20 / +2.63% | 7.60 | 7.80 | 7.60 | 7.80 | 7.71 | 6.70 | 216,800 |   |  			
            | 9/4/2014 | -0.10 / -1.30% | 7.70 | 7.70 | 7.40 | 7.60 | 7.57 | 6.53 | 206,700 |   |  
            | 9/3/2014 | +0.20 / +2.67% | 7.50 | 7.80 | 7.50 | 7.70 | 7.67 | 6.61 | 340,700 |   |  			
            | 8/29/2014 | +0.20 / +2.74% | 7.30 | 7.50 | 7.30 | 7.50 | 7.35 | 6.44 | 248,000 |   |  
            | 8/28/2014 | +0.20 / +2.82% | 7.10 | 7.40 | 7.10 | 7.30 | 7.25 | 6.27 | 445,500 |   |  			
            | 8/27/2014 | -0.10 / -1.39% | 7.20 | 7.30 | 7.10 | 7.10 | 7.23 | 6.10 | 274,000 |   |  
            | 8/26/2014 | -0.20 / -2.70% | 7.30 | 7.40 | 7.20 | 7.20 | 7.31 | 6.18 | 233,600 |   |  			
            | 8/25/2014 | +0.20 / +2.78% | 7.20 | 7.40 | 7.20 | 7.40 | 7.32 | 6.35 | 198,800 |   |  
            | 8/22/2014 | +0.10 / +1.41% | 7.10 | 7.20 | 7.00 | 7.20 | 7.11 | 6.18 | 283,100 |   |  			
            | 8/21/2014 | +0.10 / +1.43% | 7.00 | 7.10 | 6.90 | 7.10 | 7.01 | 6.10 | 135,400 |   |  
            | 8/20/2014 | 0.00 / 0.00% | 7.10 | 7.10 | 6.90 | 7.00 | 7.03 | 6.01 | 137,800 |   |  			
            | 8/19/2014 | 0.00 / 0.00% | 7.00 | 7.10 | 6.90 | 7.00 | 6.95 | 6.01 | 111,700 |   |  
            | 8/18/2014 | +0.10 / +1.45% | 6.80 | 7.00 | 6.80 | 7.00 | 6.95 | 6.01 | 140,500 |   |  			
            | 8/15/2014 | 0.00 / 0.00% | 6.90 | 6.90 | 6.80 | 6.90 | 6.82 | 5.93 | 62,200 |   |  
            | 8/14/2014 | 0.00 / 0.00% | 6.90 | 6.90 | 6.80 | 6.90 | 6.85 | 5.93 | 62,700 |   |  			
            | 8/13/2014 | +0.10 / +1.47% | 6.90 | 6.90 | 6.80 | 6.90 | 6.82 | 5.93 | 52,400 |   |  
            | 8/12/2014 | -0.10 / -1.45% | 6.80 | 6.90 | 6.80 | 6.80 | 6.85 | 5.84 | 69,200 |   |  			
            | 8/11/2014 | -0.10 / -1.43% | 6.90 | 6.90 | 6.80 | 6.90 | 6.83 | 5.93 | 74,400 |   |  
            | 8/8/2014 | +0.10 / +1.45% | 6.90 | 7.00 | 6.80 | 7.00 | 6.88 | 6.01 | 139,900 |   |  			
            | 8/7/2014 | -0.10 / -1.43% | 6.90 | 6.90 | 6.80 | 6.90 | 6.85 | 5.93 | 102,500 |   |  
            | 8/6/2014 | 0.00 / 0.00% | 7.00 | 7.10 | 6.90 | 7.00 | 6.99 | 6.01 | 76,500 |   |  			
            | 8/5/2014 | +0.20 / +2.94% | 6.80 | 7.00 | 6.80 | 7.00 | 6.86 | 6.01 | 72,800 |   |  
            | 8/4/2014 | 0.00 / 0.00% | 6.70 | 6.80 | 6.60 | 6.80 | 6.70 | 5.84 | 56,700 |   |  			
            | 8/1/2014 | 0.00 / 0.00% | 6.70 | 6.80 | 6.70 | 6.80 | 6.74 | 5.84 | 62,100 |   |  
            | 7/31/2014 | +0.30 / +4.62% | 6.50 | 6.80 | 6.50 | 6.80 | 6.69 | 5.84 | 90,400 |   |  			
            | 7/30/2014 | -0.30 / -4.41% | 6.70 | 6.80 | 6.50 | 6.50 | 6.67 | 5.58 | 121,300 |   |  
            | 7/29/2014 | 0.00 / 0.00% | 6.80 | 6.80 | 6.70 | 6.80 | 6.73 | 5.84 | 144,200 |   |  			
            | 7/28/2014 | -0.20 / -2.86% | 7.00 | 7.00 | 6.60 | 6.80 | 6.77 | 5.84 | 140,200 |   |  
            | 7/25/2014 | -0.30 / -4.11% | 7.30 | 7.30 | 7.00 | 7.00 | 7.14 | 6.01 | 163,600 |   |  |