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            | 
                    Closing price on 12/11/2015
                 |  |  
    
        |           
                
                    | Open | 7.70 |  
                    | High | 7.80 |  
                    | Low | 7.60 |  
                    | Volume | 268,500 |  
                    | Split-adjusted Price | 7.70 |  
                
             | 
 |  WSS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 12/11/2015 | -0.10 / -1.28% | 7.70 | 7.80 | 7.60 | 7.70 | 7.64 | 7.70 | 268,500 |   |  
            | 12/10/2015 | 0.00 / 0.00% | 7.70 | 7.80 | 7.60 | 7.80 | 7.68 | 7.80 | 150,300 |   |  			
            | 12/9/2015 | 0.00 / 0.00% | 7.70 | 7.80 | 7.60 | 7.80 | 7.71 | 7.80 | 122,300 |   |  
            | 12/8/2015 | 0.00 / 0.00% | 7.80 | 7.80 | 7.70 | 7.80 | 7.71 | 7.80 | 150,600 |   |  			
            | 12/7/2015 | -0.10 / -1.27% | 7.90 | 7.90 | 7.70 | 7.80 | 7.79 | 7.80 | 259,200 |   |  
            | 12/4/2015 | -0.10 / -1.25% | 7.90 | 8.00 | 7.80 | 7.90 | 7.82 | 7.90 | 376,400 |   |  			
            | 12/3/2015 | +0.20 / +2.56% | 7.80 | 8.00 | 7.70 | 8.00 | 7.81 | 8.00 | 447,600 |   |  
            | 12/2/2015 | 0.00 / 0.00% | 7.80 | 7.80 | 7.60 | 7.80 | 7.71 | 7.80 | 371,100 |   |  			
            | 12/1/2015 | -0.10 / -1.27% | 7.80 | 8.00 | 7.70 | 7.80 | 7.84 | 7.80 | 764,600 |   |  
            | 11/30/2015 | +0.20 / +2.60% | 7.80 | 7.90 | 7.80 | 7.90 | 7.85 | 7.90 | 202,700 |   |  			
            | 11/27/2015 | -0.10 / -1.28% | 7.80 | 7.80 | 7.70 | 7.70 | 7.80 | 7.70 | 219,400 |   |  
            | 11/26/2015 | -0.10 / -1.27% | 7.90 | 7.90 | 7.80 | 7.80 | 7.80 | 7.80 | 172,500 |   |  			
            | 11/25/2015 | 0.00 / 0.00% | 7.80 | 7.90 | 7.80 | 7.90 | 7.80 | 7.90 | 230,600 |   |  
            | 11/24/2015 | -0.10 / -1.25% | 8.00 | 8.00 | 7.80 | 7.90 | 7.82 | 7.90 | 606,700 |   |  			
            | 11/23/2015 | +0.10 / +1.27% | 7.90 | 8.00 | 7.80 | 8.00 | 7.84 | 8.00 | 553,200 |   |  
            | 11/20/2015 | -0.10 / -1.25% | 7.90 | 8.00 | 7.80 | 7.90 | 7.83 | 7.90 | 2,431,900 |   |  			
            | 11/19/2015 | +0.10 / +1.27% | 7.90 | 8.00 | 7.80 | 8.00 | 7.89 | 8.00 | 879,000 |   |  
            | 11/18/2015 | 0.00 / 0.00% | 7.80 | 8.00 | 7.80 | 7.90 | 7.85 | 7.90 | 970,100 |   |  			
            | 11/17/2015 | 0.00 / 0.00% | 7.90 | 7.90 | 7.70 | 7.90 | 7.77 | 7.90 | 732,300 |   |  
            | 11/16/2015 | 0.00 / 0.00% | 7.90 | 7.90 | 7.70 | 7.90 | 7.79 | 7.90 | 857,500 |   |  			
            | 11/13/2015 | 0.00 / 0.00% | 7.90 | 8.00 | 7.80 | 7.90 | 7.82 | 7.90 | 627,900 |   |  
            | 11/12/2015 | -0.10 / -1.25% | 8.00 | 8.00 | 7.80 | 7.90 | 7.88 | 7.90 | 758,600 |   |  			
            | 11/11/2015 | 0.00 / 0.00% | 8.00 | 8.00 | 7.70 | 8.00 | 7.82 | 8.00 | 736,500 |   |  
            | 11/10/2015 | 0.00 / 0.00% | 8.00 | 8.00 | 7.80 | 8.00 | 7.90 | 8.00 | 624,300 |   |  			
            | 11/9/2015 | 0.00 / 0.00% | 7.90 | 8.00 | 7.90 | 8.00 | 7.90 | 8.00 | 626,800 |   |  
            | 11/6/2015 | -0.10 / -1.23% | 8.00 | 8.10 | 7.90 | 8.00 | 7.92 | 8.00 | 575,300 |   |  			
            | 11/5/2015 | 0.00 / 0.00% | 8.00 | 8.10 | 7.80 | 8.10 | 7.93 | 8.10 | 630,100 |   |  
            | 11/4/2015 | 0.00 / 0.00% | 8.10 | 8.10 | 7.80 | 8.10 | 7.93 | 8.10 | 671,500 |   |  			
            | 11/3/2015 | 0.00 / 0.00% | 8.00 | 8.10 | 7.80 | 8.10 | 7.91 | 8.10 | 647,300 |   |  
            | 11/2/2015 | 0.00 / 0.00% | 8.00 | 8.10 | 7.90 | 8.10 | 7.97 | 8.10 | 400,400 |   |  |