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            | 
                    Closing price on 1/7/2016
                 |  |  
    
        |           
                
                    | Open | 7.40 |  
                    | High | 7.40 |  
                    | Low | 7.30 |  
                    | Volume | 28,100 |  
                    | Split-adjusted Price | 7.40 |  
                
             | 
 |  WSS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/7/2016 | 0.00 / 0.00% | 7.40 | 7.40 | 7.30 | 7.40 | 7.30 | 7.40 | 28,100 |   |  
            | 1/6/2016 | -0.10 / -1.33% | 7.50 | 7.50 | 7.30 | 7.40 | 7.43 | 7.40 | 410,700 |   |  			
            | 1/5/2016 | -0.10 / -1.32% | 7.40 | 7.50 | 7.40 | 7.50 | 7.45 | 7.50 | 53,000 |   |  
            | 1/4/2016 | 0.00 / 0.00% | 7.70 | 7.70 | 7.50 | 7.60 | 7.52 | 7.60 | 20,000 |   |  			
            | 12/31/2015 | +0.10 / +1.33% | 7.40 | 7.60 | 7.40 | 7.60 | 7.42 | 7.60 | 46,800 |   |  
            | 12/30/2015 | 0.00 / 0.00% | 7.50 | 7.60 | 7.50 | 7.50 | 7.50 | 7.50 | 192,100 |   |  			
            | 12/29/2015 | -0.10 / -1.32% | 7.50 | 7.60 | 7.50 | 7.50 | 7.51 | 7.50 | 254,600 |   |  
            | 12/28/2015 | 0.00 / 0.00% | 7.70 | 7.70 | 7.40 | 7.60 | 7.51 | 7.60 | 3,259,150 |   |  			
            | 12/25/2015 | 0.00 / 0.00% | 7.60 | 7.70 | 7.50 | 7.60 | 7.62 | 7.60 | 2,068,000 |   |  
            | 12/24/2015 | 0.00 / 0.00% | 7.70 | 7.70 | 7.40 | 7.60 | 7.62 | 7.60 | 132,600 |   |  			
            | 12/23/2015 | +0.20 / +2.70% | 7.40 | 7.60 | 7.30 | 7.60 | 7.46 | 7.60 | 820,200 |   |  
            | 12/22/2015 | -0.40 / -5.13% | 7.80 | 7.90 | 7.40 | 7.40 | 7.61 | 7.40 | 166,100 |   |  			
            | 12/21/2015 | +0.10 / +1.30% | 7.70 | 7.80 | 7.60 | 7.80 | 7.64 | 7.80 | 209,900 |   |  
            | 12/18/2015 | +0.50 / +6.94% | 7.20 | 7.70 | 7.20 | 7.70 | 7.40 | 7.70 | 286,700 |   |  			
            | 12/17/2015 | -0.20 / -2.70% | 7.40 | 7.50 | 7.20 | 7.20 | 7.39 | 7.20 | 129,900 |   |  
            | 12/16/2015 | -0.30 / -3.90% | 7.70 | 7.70 | 7.40 | 7.40 | 7.59 | 7.40 | 98,700 |   |  			
            | 12/15/2015 | +0.10 / +1.32% | 7.70 | 7.80 | 7.60 | 7.70 | 7.64 | 7.70 | 152,000 |   |  
            | 12/14/2015 | -0.10 / -1.30% | 7.70 | 7.80 | 7.50 | 7.60 | 7.68 | 7.60 | 141,600 |   |  			
            | 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 |   |  |