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                    Closing price on 4/28/2016
                 |  |  
    
        |           
                
                    | Open | 13.10 |  
                    | High | 14.90 |  
                    | Low | 13.10 |  
                    | Volume | 6,330 |  
                    | Split-adjusted Price | 6.68 |  
                
             | 
 |  STG Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/28/2016 | +0.80 / +5.71% | 13.10 | 14.90 | 13.10 | 14.80 | 14.85 | 6.68 | 6,330 |   |  
            | 4/27/2016 | -0.60 / -4.11% | 13.70 | 14.00 | 13.60 | 14.00 | 13.99 | 6.31 | 5,360 |   |  			
            | 4/26/2016 | 0.00 / 0.00% | 14.60 | 14.60 | 14.50 | 14.60 | 14.59 | 6.58 | 12,410 |   |  
            | 4/25/2016 | -0.10 / -0.68% | 14.70 | 14.70 | 14.60 | 14.60 | 14.65 | 6.58 | 3,120 |   |  			
            | 4/22/2016 | -0.30 / -2.00% | 14.80 | 14.80 | 14.70 | 14.70 | 14.75 | 6.63 | 510,150 |   |  
            | 4/21/2016 | +0.10 / +0.67% | 15.00 | 15.00 | 14.90 | 15.00 | 14.98 | 6.77 | 1,760 |   |  			
            | 4/20/2016 | -0.60 / -3.87% | 14.70 | 15.50 | 14.70 | 14.90 | 14.85 | 6.72 | 3,770 |   |  
            | 4/19/2016 | +0.20 / +1.31% | 15.40 | 15.70 | 14.90 | 15.50 | 15.06 | 6.99 | 3,520 |   |  			
            | 4/15/2016 | -0.60 / -3.77% | 15.50 | 15.90 | 15.30 | 15.30 | 15.60 | 6.90 | 3,910 |   |  
            | 4/14/2016 | +0.60 / +3.92% | 16.30 | 16.30 | 15.90 | 15.90 | 16.19 | 7.17 | 1,050 |   |  			
            | 4/13/2016 | -1.10 / -6.71% | 16.30 | 16.40 | 15.30 | 15.30 | 15.95 | 6.90 | 8,840 |   |  
            | 4/12/2016 | +0.70 / +4.46% | 15.50 | 16.40 | 14.70 | 16.40 | 15.02 | 7.40 | 4,660 |   |  			
            | 4/11/2016 | -1.10 / -6.55% | 16.00 | 16.80 | 15.70 | 15.70 | 15.72 | 7.08 | 18,960 |   |  
            | 4/8/2016 | +0.20 / +1.20% | 16.00 | 16.80 | 16.00 | 16.80 | 16.40 | 7.58 | 190 |   |  			
            | 4/7/2016 | 0.00 / 0.00% | 16.50 | 16.60 | 16.20 | 16.60 | 16.24 | 7.49 | 1,170 |   |  
            | 4/6/2016 | +0.20 / +1.22% | 16.00 | 16.60 | 15.50 | 16.60 | 15.67 | 7.49 | 11,550 |   |  			
            | 4/5/2016 | +0.30 / +1.86% | 16.40 | 16.40 | 16.40 | 16.40 | 16.40 | 7.40 | 110 |   |  
            | 4/4/2016 | -1.20 / -6.94% | 17.00 | 17.00 | 16.10 | 16.10 | 16.19 | 7.26 | 8,460 |   |  			
            | 4/1/2016 | +0.40 / +2.37% | 17.40 | 17.60 | 17.30 | 17.30 | 17.43 | 7.80 | 686,140 |   |  
            | 3/31/2016 | +1.10 / +6.96% | 16.90 | 16.90 | 16.50 | 16.90 | 16.90 | 7.62 | 7,160 |   |  			
            | 3/30/2016 | -0.20 / -1.25% | 16.00 | 17.00 | 15.80 | 15.80 | 16.04 | 7.13 | 6,670 |   |  
            | 3/29/2016 | -1.20 / -6.98% | 16.70 | 17.30 | 16.00 | 16.00 | 16.17 | 7.22 | 8,780 |   |  			
            | 3/28/2016 | +0.60 / +3.61% | 17.00 | 17.60 | 17.00 | 17.20 | 17.20 | 7.76 | 100 |   |  
            | 3/25/2016 | -0.60 / -3.49% | 16.60 | 16.60 | 16.60 | 16.60 | 16.60 | 7.49 | 10 |   |  			
            | 3/24/2016 | +0.20 / +1.18% | 17.10 | 17.20 | 17.00 | 17.20 | 17.13 | 7.76 | 230 |   |  
            | 3/23/2016 | +0.40 / +2.41% | 16.90 | 17.00 | 16.60 | 17.00 | 16.67 | 7.67 | 600 |   |  			
            | 3/22/2016 | -1.00 / -5.68% | 17.50 | 17.80 | 16.40 | 16.60 | 16.45 | 7.49 | 3,040 |   |  
            | 3/21/2016 | -0.40 / -2.22% | 18.00 | 18.20 | 17.60 | 17.60 | 17.85 | 7.94 | 1,710 |   |  			
            | 3/18/2016 | -0.10 / -0.55% | 17.50 | 18.20 | 17.50 | 18.00 | 18.03 | 8.12 | 5,270 |   |  
            | 3/17/2016 | -0.70 / -3.72% | 19.40 | 19.40 | 17.50 | 18.10 | 17.88 | 8.16 | 1,790 |   |  |