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                    Closing price on 7/18/2014
                 |  |  
    
        |           
                
                    | Open | 7.90 |  
                    | High | 8.00 |  
                    | Low | 7.70 |  
                    | Volume | 112,100 |  
                    | Split-adjusted Price | 6.78 |  
                
             | 
 |  IVS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 7/18/2014 | 0.00 / 0.00% | 7.90 | 8.00 | 7.70 | 7.90 | 7.84 | 6.78 | 112,100 |   |  
            | 7/17/2014 | 0.00 / 0.00% | 7.90 | 7.90 | 7.70 | 7.90 | 7.79 | 6.78 | 157,400 |   |  			
            | 7/16/2014 | 0.00 / 0.00% | 8.00 | 8.20 | 7.90 | 7.90 | 8.07 | 6.78 | 195,300 |   |  
            | 7/15/2014 | 0.00 / 0.00% | 7.90 | 8.20 | 7.90 | 7.90 | 8.03 | 6.78 | 158,300 |   |  			
            | 7/14/2014 | 0.00 / 0.00% | 7.90 | 7.90 | 7.80 | 7.90 | 7.81 | 6.78 | 57,300 |   |  
            | 7/11/2014 | -0.10 / -1.25% | 8.00 | 8.00 | 7.80 | 7.90 | 7.87 | 6.78 | 74,000 |   |  			
            | 7/10/2014 | -0.20 / -2.44% | 8.20 | 8.30 | 7.90 | 8.00 | 8.12 | 6.87 | 382,100 |   |  
            | 7/9/2014 | -0.30 / -3.53% | 8.50 | 8.60 | 8.20 | 8.20 | 8.44 | 7.04 | 297,000 |   |  			
            | 7/8/2014 | +0.20 / +2.41% | 8.30 | 8.60 | 8.30 | 8.50 | 8.40 | 7.30 | 708,600 |   |  
            | 7/7/2014 | +0.70 / +9.21% | 7.70 | 8.30 | 7.70 | 8.30 | 7.93 | 7.13 | 725,500 |   |  			
            | 7/4/2014 | -0.10 / -1.30% | 7.80 | 7.80 | 7.60 | 7.60 | 7.69 | 6.53 | 428,100 |   |  
            | 7/3/2014 | +0.20 / +2.67% | 7.50 | 7.70 | 7.50 | 7.70 | 7.58 | 6.61 | 588,000 |   |  			
            | 7/2/2014 | 0.00 / 0.00% | 7.50 | 7.60 | 7.40 | 7.50 | 7.52 | 6.44 | 208,700 |   |  
            | 7/1/2014 | +0.10 / +1.35% | 7.40 | 7.50 | 7.30 | 7.50 | 7.41 | 6.44 | 193,400 |   |  			
            | 6/30/2014 | +0.20 / +2.78% | 7.30 | 7.40 | 7.20 | 7.40 | 7.30 | 6.35 | 218,000 |   |  
            | 6/27/2014 | -0.10 / -1.37% | 7.30 | 7.30 | 7.20 | 7.20 | 7.25 | 6.18 | 104,600 |   |  			
            | 6/26/2014 | 0.00 / 0.00% | 7.30 | 7.40 | 7.20 | 7.30 | 7.32 | 6.27 | 126,300 |   |  
            | 6/25/2014 | 0.00 / 0.00% | 7.30 | 7.40 | 7.20 | 7.30 | 7.32 | 6.27 | 136,500 |   |  			
            | 6/24/2014 | +0.10 / +1.39% | 7.20 | 7.30 | 7.10 | 7.30 | 7.22 | 6.27 | 75,500 |   |  
            | 6/23/2014 | 0.00 / 0.00% | 7.20 | 7.20 | 7.10 | 7.20 | 7.15 | 6.18 | 69,700 |   |  			
            | 6/20/2014 | -0.10 / -1.37% | 7.30 | 7.40 | 7.20 | 7.20 | 7.33 | 6.18 | 84,700 |   |  
            | 6/19/2014 | -0.20 / -2.67% | 7.40 | 7.40 | 7.10 | 7.30 | 7.25 | 6.27 | 222,000 |   |  			
            | 6/18/2014 | 0.00 / 0.00% | 7.50 | 7.60 | 7.40 | 7.50 | 7.53 | 6.44 | 205,300 |   |  
            | 6/17/2014 | 0.00 / 0.00% | 7.50 | 7.70 | 7.40 | 7.50 | 7.54 | 6.44 | 209,500 |   |  			
            | 6/16/2014 | 0.00 / 0.00% | 7.50 | 7.50 | 7.30 | 7.50 | 7.44 | 6.44 | 77,600 |   |  
            | 6/13/2014 | +0.10 / +1.35% | 7.40 | 7.50 | 7.20 | 7.50 | 7.40 | 6.44 | 310,500 |   |  			
            | 6/12/2014 | -0.20 / -2.63% | 7.60 | 7.60 | 7.40 | 7.40 | 7.51 | 6.35 | 145,800 |   |  
            | 6/11/2014 | +0.20 / +2.70% | 7.40 | 7.60 | 7.40 | 7.60 | 7.51 | 6.53 | 189,300 |   |  			
            | 6/10/2014 | -0.40 / -5.13% | 7.70 | 7.70 | 7.40 | 7.40 | 7.59 | 6.35 | 98,500 |   |  
            | 6/9/2014 | +0.10 / +1.30% | 7.70 | 8.00 | 7.70 | 7.80 | 7.86 | 6.70 | 724,900 |   |  |