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            | 
                    Closing price on 10/9/2014
                 |  |  
    
        |           
                
                    | Open | 8.60 |  
                    | High | 8.80 |  
                    | Low | 8.60 |  
                    | Volume | 148,800 |  
                    | Split-adjusted Price | 7.47 |  
                
             | 
 |  IVS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/9/2014 | 0.00 / 0.00% | 8.60 | 8.80 | 8.60 | 8.70 | 8.69 | 7.47 | 148,800 |   |  
            | 10/8/2014 | 0.00 / 0.00% | 8.80 | 8.80 | 8.60 | 8.70 | 8.70 | 7.47 | 314,100 |   |  			
            | 10/7/2014 | -0.20 / -2.25% | 8.90 | 8.90 | 8.70 | 8.70 | 8.81 | 7.47 | 150,200 |   |  
            | 10/6/2014 | 0.00 / 0.00% | 8.90 | 9.00 | 8.80 | 8.90 | 8.90 | 7.64 | 226,600 |   |  			
            | 10/3/2014 | 0.00 / 0.00% | 9.00 | 9.00 | 8.80 | 8.90 | 8.90 | 7.64 | 131,100 |   |  
            | 10/2/2014 | +0.20 / +2.30% | 8.70 | 8.90 | 8.70 | 8.90 | 8.82 | 7.64 | 178,100 |   |  			
            | 10/1/2014 | -0.10 / -1.14% | 8.70 | 8.90 | 8.70 | 8.70 | 8.75 | 7.47 | 142,700 |   |  
            | 9/30/2014 | -0.10 / -1.12% | 8.90 | 8.90 | 8.70 | 8.80 | 8.79 | 7.56 | 169,900 |   |  			
            | 9/29/2014 | +0.20 / +2.30% | 8.80 | 9.00 | 8.70 | 8.90 | 8.85 | 7.64 | 435,700 |   |  
            | 9/26/2014 | +0.10 / +1.16% | 8.60 | 8.80 | 8.60 | 8.70 | 8.72 | 7.47 | 223,600 |   |  			
            | 9/25/2014 | 0.00 / 0.00% | 8.60 | 8.60 | 8.40 | 8.60 | 8.54 | 7.38 | 154,900 |   |  
            | 9/24/2014 | +0.10 / +1.18% | 8.50 | 8.60 | 8.40 | 8.60 | 8.51 | 7.38 | 140,900 |   |  			
            | 9/23/2014 | +0.10 / +1.19% | 8.50 | 8.60 | 8.40 | 8.50 | 8.50 | 7.30 | 182,000 |   |  
            | 9/22/2014 | -0.20 / -2.33% | 8.60 | 8.80 | 8.30 | 8.40 | 8.56 | 7.21 | 693,400 |   |  			
            | 9/19/2014 | +0.50 / +6.17% | 7.80 | 8.70 | 7.80 | 8.60 | 8.23 | 7.38 | 829,800 |   |  
            | 9/18/2014 | -0.50 / -5.81% | 8.60 | 8.60 | 8.10 | 8.10 | 8.33 | 6.96 | 178,000 |   |  			
            | 9/17/2014 | +0.60 / +7.50% | 8.00 | 8.60 | 8.00 | 8.60 | 8.42 | 7.38 | 904,400 |   |  
            | 9/16/2014 | 0.00 / 0.00% | 8.00 | 8.20 | 7.80 | 8.00 | 8.02 | 6.87 | 422,800 |   |  			
            | 9/15/2014 | 0.00 / 0.00% | 8.10 | 8.40 | 8.00 | 8.00 | 8.24 | 6.87 | 425,200 |   |  
            | 9/12/2014 | +0.20 / +2.56% | 8.00 | 8.10 | 7.80 | 8.00 | 7.99 | 6.87 | 185,700 |   |  			
            | 9/11/2014 | +0.10 / +1.30% | 7.80 | 7.90 | 7.60 | 7.80 | 7.81 | 6.70 | 54,300 |   |  
            | 9/10/2014 | +0.10 / +1.32% | 7.70 | 7.70 | 7.40 | 7.70 | 7.56 | 6.61 | 204,200 |   |  			
            | 9/9/2014 | -0.20 / -2.56% | 7.80 | 7.90 | 7.50 | 7.60 | 7.68 | 6.53 | 610,100 |   |  
            | 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 |   |  |