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                    Closing price on 6/9/2014
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        |           
                
                    | Open | 7.70 |  
                    | High | 8.00 |  
                    | Low | 7.70 |  
                    | Volume | 724,900 |  
                    | Split-adjusted Price | 6.70 |  
                
             | 
 |  IVS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/9/2014 | +0.10 / +1.30% | 7.70 | 8.00 | 7.70 | 7.80 | 7.86 | 6.70 | 724,900 |   |  
            | 6/6/2014 | +0.40 / +5.48% | 7.30 | 7.70 | 7.30 | 7.70 | 7.47 | 6.61 | 246,400 |   |  			
            | 6/5/2014 | +0.20 / +2.82% | 7.10 | 7.30 | 7.00 | 7.30 | 7.14 | 6.27 | 192,600 |   |  
            | 6/4/2014 | -0.50 / -6.58% | 7.60 | 7.60 | 7.10 | 7.10 | 7.36 | 6.10 | 183,600 |   |  			
            | 6/3/2014 | 0.00 / 0.00% | 7.60 | 7.70 | 7.60 | 7.60 | 7.63 | 6.53 | 348,500 |   |  
            | 6/2/2014 | -0.10 / -1.30% | 7.70 | 7.80 | 7.40 | 7.60 | 7.62 | 6.53 | 637,800 |   |  			
            | 5/30/2014 | -0.30 / -3.75% | 8.00 | 8.00 | 7.70 | 7.70 | 7.81 | 6.61 | 195,500 |   |  
            | 5/29/2014 | -0.10 / -1.23% | 8.10 | 8.30 | 7.90 | 8.00 | 8.08 | 6.87 | 419,400 |   |  			
            | 5/28/2014 | +0.10 / +1.25% | 8.00 | 8.30 | 7.90 | 8.10 | 8.11 | 6.96 | 376,300 |   |  
            | 5/27/2014 | +0.60 / +8.11% | 7.40 | 8.00 | 7.30 | 8.00 | 7.64 | 6.87 | 372,300 |   |  			
            | 5/26/2014 | -0.20 / -2.63% | 7.60 | 7.60 | 7.30 | 7.40 | 7.45 | 6.35 | 147,500 |   |  
            | 5/23/2014 | -0.10 / -1.30% | 7.70 | 7.70 | 7.40 | 7.60 | 7.55 | 6.53 | 125,900 |   |  			
            | 5/22/2014 | 0.00 / 0.00% | 7.80 | 7.90 | 7.60 | 7.70 | 7.78 | 6.61 | 358,100 |   |  
            | 5/21/2014 | +0.70 / +10.00% | 7.00 | 7.70 | 6.80 | 7.70 | 7.29 | 6.61 | 366,700 |   |  			
            | 5/20/2014 | +0.20 / +2.94% | 6.80 | 7.00 | 6.70 | 7.00 | 6.83 | 6.01 | 142,500 |   |  
            | 5/19/2014 | -0.30 / -4.23% | 7.10 | 7.20 | 6.80 | 6.80 | 7.00 | 5.84 | 280,100 |   |  			
            | 5/16/2014 | +0.10 / +1.43% | 7.00 | 7.10 | 6.80 | 7.10 | 6.95 | 6.10 | 206,000 |   |  
            | 5/15/2014 | -0.10 / -1.41% | 7.20 | 7.60 | 6.90 | 7.00 | 7.34 | 6.01 | 401,100 |   |  			
            | 5/14/2014 | +0.60 / +9.23% | 6.50 | 7.10 | 6.40 | 7.10 | 6.75 | 6.10 | 400,700 |   |  
            | 5/13/2014 | -0.40 / -5.80% | 6.90 | 6.90 | 6.30 | 6.50 | 6.62 | 5.58 | 254,300 |   |  			
            | 5/12/2014 | -0.60 / -8.00% | 7.50 | 7.50 | 6.80 | 6.90 | 7.09 | 5.93 | 155,300 |   |  
            | 5/9/2014 | +0.20 / +2.74% | 7.30 | 7.50 | 7.20 | 7.50 | 7.41 | 6.44 | 151,700 |   |  			
            | 5/8/2014 | -0.80 / -9.88% | 8.00 | 8.00 | 7.30 | 7.30 | 7.49 | 6.27 | 415,700 |   |  
            | 5/7/2014 | 0.00 / 0.00% | 8.10 | 8.30 | 8.10 | 8.10 | 8.17 | 6.96 | 241,700 |   |  			
            | 5/6/2014 | -0.50 / -5.81% | 8.50 | 8.50 | 7.80 | 8.10 | 8.10 | 6.96 | 353,200 |   |  
            | 5/5/2014 | -0.60 / -6.52% | 9.20 | 9.20 | 8.50 | 8.60 | 8.86 | 7.38 | 270,600 |   |  			
            | 4/29/2014 | 0.00 / 0.00% | 9.20 | 9.20 | 9.00 | 9.20 | 9.10 | 7.90 | 137,000 |   |  
            | 4/28/2014 | -0.10 / -1.08% | 9.30 | 9.30 | 9.10 | 9.20 | 9.19 | 7.90 | 117,700 |   |  			
            | 4/25/2014 | 0.00 / 0.00% | 9.30 | 9.40 | 9.20 | 9.30 | 9.30 | 7.99 | 115,000 |   |  
            | 4/24/2014 | 0.00 / 0.00% | 9.30 | 9.30 | 9.20 | 9.30 | 9.24 | 7.99 | 88,500 |   |  |