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                    Closing price on 12/2/2014
                 |  |  
    
        |           
                
                    | Open | 11.60 |  
                    | High | 11.90 |  
                    | Low | 11.60 |  
                    | Volume | 578,400 |  
                    | Split-adjusted Price | 10.13 |  
                
             | 
 |  IVS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/2/2014 | +0.20 / +1.72% | 11.60 | 11.90 | 11.60 | 11.80 | 11.72 | 10.13 | 578,400 |   |  
            | 12/1/2014 | +0.30 / +2.65% | 11.30 | 12.30 | 11.30 | 11.60 | 11.70 | 9.96 | 207,000 |   |  			
            | 11/28/2014 | +1.00 / +9.71% | 10.40 | 11.30 | 10.30 | 11.30 | 10.77 | 9.70 | 250,900 |   |  
            | 11/27/2014 | +0.10 / +0.98% | 10.30 | 10.30 | 10.10 | 10.30 | 10.22 | 8.84 | 218,400 |   |  			
            | 11/26/2014 | -0.30 / -2.86% | 10.30 | 10.50 | 10.10 | 10.20 | 10.21 | 8.76 | 484,800 |   |  
            | 11/25/2014 | 0.00 / 0.00% | 10.30 | 10.60 | 10.30 | 10.50 | 10.47 | 9.02 | 198,500 |   |  			
            | 11/24/2014 | 0.00 / 0.00% | 10.40 | 10.80 | 10.20 | 10.50 | 10.46 | 9.02 | 284,900 |   |  
            | 11/21/2014 | -0.90 / -7.89% | 11.40 | 11.40 | 10.50 | 10.50 | 11.02 | 9.02 | 315,300 |   |  			
            | 11/20/2014 | -0.20 / -1.72% | 11.60 | 11.80 | 10.50 | 11.40 | 11.60 | 9.79 | 459,600 |   |  
            | 11/19/2014 | +0.40 / +3.57% | 11.00 | 11.80 | 11.00 | 11.60 | 11.57 | 9.96 | 358,400 |   |  			
            | 11/18/2014 | -0.80 / -6.67% | 12.00 | 12.00 | 11.20 | 11.20 | 11.58 | 9.62 | 326,300 |   |  
            | 11/17/2014 | -0.40 / -3.23% | 12.40 | 12.40 | 11.80 | 12.00 | 12.01 | 10.30 | 134,900 |   |  			
            | 11/14/2014 | -0.20 / -1.59% | 12.40 | 12.60 | 11.50 | 12.40 | 11.75 | 10.65 | 735,200 |   |  
            | 11/13/2014 | +0.40 / +3.28% | 12.20 | 12.70 | 12.20 | 12.60 | 12.47 | 10.82 | 309,000 |   |  			
            | 11/12/2014 | -0.40 / -3.17% | 12.60 | 12.70 | 12.20 | 12.20 | 12.50 | 10.48 | 306,500 |   |  
            | 11/11/2014 | -0.40 / -3.08% | 13.00 | 13.10 | 12.60 | 12.60 | 12.89 | 10.82 | 446,100 |   |  			
            | 11/10/2014 | -0.30 / -2.26% | 13.30 | 13.50 | 12.30 | 13.00 | 13.14 | 11.16 | 928,600 |   |  
            | 11/7/2014 | +0.20 / +1.53% | 13.10 | 13.60 | 13.10 | 13.30 | 13.39 | 11.42 | 685,200 |   |  			
            | 11/6/2014 | 0.00 / 0.00% | 13.10 | 13.50 | 13.00 | 13.10 | 13.21 | 11.25 | 546,500 |   |  
            | 11/5/2014 | -0.10 / -0.76% | 13.20 | 13.20 | 12.70 | 13.10 | 13.02 | 11.25 | 303,700 |   |  			
            | 11/4/2014 | +0.70 / +5.60% | 12.60 | 13.70 | 12.50 | 13.20 | 13.20 | 11.33 | 815,600 |   |  
            | 11/3/2014 | +1.10 / +9.65% | 11.30 | 12.50 | 11.30 | 12.50 | 12.15 | 10.73 | 962,700 |   |  			
            | 10/31/2014 | +0.30 / +2.70% | 11.10 | 11.40 | 11.10 | 11.40 | 11.23 | 9.79 | 399,500 |   |  
            | 10/30/2014 | -0.20 / -1.77% | 11.30 | 11.40 | 11.10 | 11.10 | 11.29 | 9.53 | 133,600 |   |  			
            | 10/29/2014 | +0.30 / +2.73% | 11.00 | 11.40 | 10.90 | 11.30 | 11.16 | 9.70 | 319,400 |   |  
            | 10/28/2014 | +0.40 / +3.77% | 10.60 | 11.50 | 10.50 | 11.00 | 10.88 | 9.45 | 456,500 |   |  			
            | 10/27/2014 | -0.90 / -7.83% | 11.40 | 11.40 | 10.60 | 10.60 | 11.04 | 9.10 | 286,300 |   |  
            | 10/24/2014 | -0.50 / -4.17% | 11.80 | 12.00 | 11.50 | 11.50 | 11.72 | 9.88 | 438,400 |   |  			
            | 10/23/2014 | +0.10 / +0.84% | 11.90 | 13.00 | 11.90 | 12.00 | 12.47 | 10.30 | 767,600 |   |  
            | 10/22/2014 | +1.00 / +9.17% | 10.90 | 11.90 | 10.90 | 11.90 | 11.41 | 10.22 | 522,400 |   |  |