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                    Closing price on 6/28/2016
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        |           
                
                    | Open | 5.60 |  
                    | High | 5.60 |  
                    | Low | 5.50 |  
                    | Volume | 31,900 |  
                    | Split-adjusted Price | 5.60 |  
                
             | 
 |  WSS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/28/2016 | 0.00 / 0.00% | 5.60 | 5.60 | 5.50 | 5.60 | 5.58 | 5.60 | 31,900 |   |  
            | 6/27/2016 | 0.00 / 0.00% | 5.50 | 5.60 | 5.50 | 5.60 | 5.53 | 5.60 | 142,800 |   |  			
            | 6/24/2016 | -0.10 / -1.75% | 5.70 | 5.80 | 5.40 | 5.60 | 5.49 | 5.60 | 223,300 |   |  
            | 6/23/2016 | +0.10 / +1.79% | 5.50 | 5.70 | 5.40 | 5.70 | 5.59 | 5.70 | 70,000 |   |  			
            | 6/22/2016 | +0.20 / +3.70% | 5.40 | 5.60 | 5.40 | 5.60 | 5.50 | 5.60 | 68,500 |   |  
            | 6/21/2016 | -0.10 / -1.82% | 5.40 | 5.50 | 5.40 | 5.40 | 5.41 | 5.40 | 92,700 |   |  			
            | 6/20/2016 | +0.10 / +1.85% | 5.30 | 5.50 | 5.30 | 5.50 | 5.40 | 5.50 | 124,700 |   |  
            | 6/17/2016 | 0.00 / 0.00% | 5.40 | 5.40 | 5.20 | 5.40 | 5.30 | 5.40 | 40,100 |   |  			
            | 6/16/2016 | +0.20 / +3.85% | 5.30 | 5.40 | 5.30 | 5.40 | 5.30 | 5.40 | 89,000 |   |  
            | 6/15/2016 | 0.00 / 0.00% | 5.10 | 5.30 | 5.10 | 5.20 | 5.20 | 5.20 | 15,200 |   |  			
            | 6/14/2016 | -0.10 / -1.89% | 5.30 | 5.40 | 5.20 | 5.20 | 5.31 | 5.20 | 67,600 |   |  
            | 6/13/2016 | 0.00 / 0.00% | 5.30 | 5.30 | 5.20 | 5.30 | 5.20 | 5.30 | 40,900 |   |  			
            | 6/10/2016 | 0.00 / 0.00% | 5.20 | 5.30 | 5.20 | 5.30 | 5.22 | 5.30 | 28,900 |   |  
            | 6/9/2016 | 0.00 / 0.00% | 5.20 | 5.50 | 5.10 | 5.30 | 5.31 | 5.30 | 137,600 |   |  			
            | 6/8/2016 | -0.10 / -1.85% | 5.20 | 5.30 | 5.20 | 5.30 | 5.29 | 5.30 | 30,700 |   |  
            | 6/7/2016 | +0.20 / +3.85% | 5.20 | 5.40 | 5.20 | 5.40 | 5.25 | 5.40 | 43,500 |   |  			
            | 6/6/2016 | -0.10 / -1.89% | 5.30 | 5.30 | 5.20 | 5.20 | 5.20 | 5.20 | 115,300 |   |  
            | 6/3/2016 | +0.10 / +1.92% | 5.20 | 5.40 | 5.20 | 5.30 | 5.27 | 5.30 | 82,900 |   |  			
            | 6/2/2016 | 0.00 / 0.00% | 5.20 | 5.30 | 5.20 | 5.20 | 5.21 | 5.20 | 22,300 |   |  
            | 6/1/2016 | -0.10 / -1.89% | 5.20 | 5.20 | 5.10 | 5.20 | 5.18 | 5.20 | 36,200 |   |  			
            | 5/31/2016 | 0.00 / 0.00% | 5.20 | 5.30 | 5.20 | 5.30 | 5.20 | 5.30 | 73,100 |   |  
            | 5/30/2016 | +0.10 / +1.92% | 5.30 | 5.30 | 5.20 | 5.30 | 5.24 | 5.30 | 13,100 |   |  			
            | 5/27/2016 | 0.00 / 0.00% | 5.20 | 5.30 | 5.20 | 5.20 | 5.20 | 5.20 | 26,500 |   |  
            | 5/26/2016 | 0.00 / 0.00% | 5.20 | 5.30 | 5.20 | 5.20 | 5.20 | 5.20 | 69,800 |   |  			
            | 5/25/2016 | -0.10 / -1.89% | 5.30 | 5.30 | 5.10 | 5.20 | 5.19 | 5.20 | 116,700 |   |  
            | 5/24/2016 | 0.00 / 0.00% | 5.40 | 5.40 | 5.30 | 5.30 | 5.30 | 5.30 | 31,300 |   |  			
            | 5/23/2016 | -0.10 / -1.85% | 5.30 | 5.30 | 5.20 | 5.30 | 5.23 | 5.30 | 1,182,900 |   |  
            | 5/20/2016 | 0.00 / 0.00% | 5.30 | 5.40 | 5.30 | 5.40 | 5.30 | 5.40 | 2,284,610 |   |  			
            | 5/19/2016 | -0.10 / -1.82% | 5.40 | 5.40 | 5.30 | 5.40 | 5.38 | 5.40 | 217,200 |   |  
            | 5/18/2016 | +0.10 / +1.85% | 5.40 | 5.50 | 5.30 | 5.50 | 5.40 | 5.50 | 139,400 |   |  |