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            | 
                    Closing price on 11/24/2016
                 |  |  
    
        |           
                
                    | Open | 4.60 |  
                    | High | 4.60 |  
                    | Low | 4.40 |  
                    | Volume | 147,000 |  
                    | Split-adjusted Price | 4.40 |  
                
             | 
 |  WSS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/24/2016 | -0.30 / -6.38% | 4.60 | 4.60 | 4.40 | 4.40 | 4.54 | 4.40 | 147,000 |   |  
            | 11/23/2016 | +0.10 / +2.17% | 4.70 | 5.00 | 4.50 | 4.70 | 4.66 | 4.70 | 1,203,700 |   |  			
            | 11/22/2016 | -0.10 / -2.13% | 4.60 | 4.60 | 4.40 | 4.60 | 4.55 | 4.60 | 138,500 |   |  
            | 11/21/2016 | +0.10 / +2.17% | 4.60 | 4.70 | 4.60 | 4.70 | 4.60 | 4.70 | 101,700 |   |  			
            | 11/18/2016 | +0.10 / +2.22% | 4.50 | 4.60 | 4.50 | 4.60 | 4.50 | 4.60 | 130,200 |   |  
            | 11/17/2016 | -0.20 / -4.26% | 4.70 | 4.70 | 4.50 | 4.50 | 4.70 | 4.50 | 95,200 |   |  			
            | 11/16/2016 | 0.00 / 0.00% | 4.60 | 4.70 | 4.60 | 4.70 | 4.60 | 4.70 | 150,400 |   |  
            | 11/15/2016 | 0.00 / 0.00% | 4.60 | 4.70 | 4.50 | 4.70 | 4.59 | 4.70 | 107,800 |   |  			
            | 11/14/2016 | -0.10 / -2.08% | 4.70 | 4.70 | 4.60 | 4.70 | 4.68 | 4.70 | 172,200 |   |  
            | 11/11/2016 | +0.30 / +6.67% | 4.50 | 4.80 | 4.50 | 4.80 | 4.52 | 4.80 | 13,200 |   |  			
            | 11/10/2016 | 0.00 / 0.00% | 4.60 | 4.60 | 4.50 | 4.50 | 4.60 | 4.50 | 80,800 |   |  
            | 11/9/2016 | -0.30 / -6.25% | 4.70 | 4.70 | 4.50 | 4.50 | 4.67 | 4.50 | 71,000 |   |  			
            | 11/8/2016 | +0.10 / +2.13% | 4.60 | 4.80 | 4.50 | 4.80 | 4.59 | 4.80 | 115,500 |   |  
            | 11/7/2016 | +0.10 / +2.17% | 4.50 | 4.70 | 4.50 | 4.70 | 4.52 | 4.70 | 60,600 |   |  			
            | 11/4/2016 | +0.30 / +6.98% | 4.40 | 4.60 | 4.40 | 4.60 | 4.50 | 4.60 | 83,200 |   |  
            | 11/3/2016 | 0.00 / 0.00% | 4.30 | 4.40 | 4.30 | 4.30 | 4.40 | 4.30 | 81,300 |   |  			
            | 11/2/2016 | 0.00 / 0.00% | 4.40 | 4.40 | 4.30 | 4.30 | 4.40 | 4.30 | 146,100 |   |  
            | 11/1/2016 | 0.00 / 0.00% | 4.40 | 4.40 | 4.30 | 4.30 | 4.40 | 4.30 | 192,800 |   |  			
            | 10/31/2016 | -0.10 / -2.27% | 4.50 | 4.50 | 4.30 | 4.30 | 4.47 | 4.30 | 119,400 |   |  
            | 10/28/2016 | -0.10 / -2.22% | 4.50 | 4.60 | 4.40 | 4.40 | 4.50 | 4.40 | 120,000 |   |  			
            | 10/27/2016 | 0.00 / 0.00% | 4.50 | 4.60 | 4.50 | 4.50 | 4.50 | 4.50 | 115,700 |   |  
            | 10/26/2016 | -0.10 / -2.17% | 4.60 | 4.70 | 4.50 | 4.50 | 4.60 | 4.50 | 206,200 |   |  			
            | 10/25/2016 | -0.20 / -4.17% | 4.70 | 4.70 | 4.60 | 4.60 | 4.68 | 4.60 | 168,000 |   |  
            | 10/24/2016 | 0.00 / 0.00% | 4.70 | 4.80 | 4.60 | 4.80 | 4.65 | 4.80 | 154,100 |   |  			
            | 10/21/2016 | 0.00 / 0.00% | 4.60 | 4.90 | 4.60 | 4.80 | 4.70 | 4.80 | 146,700 |   |  
            | 10/20/2016 | -0.10 / -2.04% | 4.90 | 4.90 | 4.70 | 4.80 | 4.81 | 4.80 | 129,400 |   |  			
            | 10/19/2016 | 0.00 / 0.00% | 4.80 | 4.90 | 4.70 | 4.90 | 4.77 | 4.90 | 185,400 |   |  
            | 10/18/2016 | 0.00 / 0.00% | 4.80 | 4.90 | 4.70 | 4.90 | 4.77 | 4.90 | 83,100 |   |  			
            | 10/17/2016 | -0.10 / -2.00% | 4.90 | 4.90 | 4.90 | 4.90 | 4.90 | 4.90 | 48,800 |   |  
            | 10/14/2016 | +0.10 / +2.04% | 4.90 | 5.20 | 4.70 | 5.00 | 4.97 | 5.00 | 2,574,000 |   |  |