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                    Closing price on 6/14/2016
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                    | Open | 11.90 |  
                    | High | 11.90 |  
                    | Low | 11.70 |  
                    | Volume | 352,490 |  
                    | Split-adjusted Price | 11.80 |  
                
             | 
 |  STB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/14/2016 | 0.00 / 0.00% | 11.90 | 11.90 | 11.70 | 11.80 | 11.78 | 11.80 | 352,490 |   |  
            | 6/13/2016 | +0.30 / +2.61% | 11.70 | 11.90 | 11.40 | 11.80 | 11.62 | 11.80 | 2,042,500 |   |  			
            | 6/10/2016 | -0.60 / -4.96% | 12.10 | 12.10 | 11.50 | 11.50 | 11.76 | 11.50 | 915,680 |   |  
            | 6/9/2016 | 0.00 / 0.00% | 12.00 | 12.10 | 11.90 | 12.10 | 11.98 | 12.10 | 1,421,620 |   |  			
            | 6/8/2016 | +0.20 / +1.68% | 11.80 | 12.20 | 11.70 | 12.10 | 12.03 | 12.10 | 1,685,930 |   |  
            | 6/7/2016 | -0.10 / -0.83% | 12.20 | 12.30 | 11.90 | 11.90 | 12.11 | 11.90 | 1,458,150 |   |  			
            | 6/6/2016 | +0.70 / +6.19% | 11.30 | 12.00 | 11.10 | 12.00 | 11.62 | 12.00 | 2,078,010 |   |  
            | 6/3/2016 | +0.10 / +0.89% | 11.20 | 11.30 | 11.00 | 11.30 | 11.11 | 11.30 | 1,548,070 |   |  			
            | 6/2/2016 | +0.10 / +0.90% | 11.10 | 11.30 | 11.00 | 11.20 | 11.17 | 11.20 | 578,720 |   |  
            | 6/1/2016 | +0.10 / +0.91% | 11.10 | 11.20 | 11.00 | 11.10 | 11.10 | 11.10 | 532,220 |   |  			
            | 5/31/2016 | -0.10 / -0.90% | 11.10 | 11.30 | 11.00 | 11.00 | 11.15 | 11.00 | 1,720,970 |   |  
            | 5/30/2016 | -0.20 / -1.77% | 11.30 | 11.30 | 11.10 | 11.10 | 11.18 | 11.10 | 975,500 |   |  			
            | 5/27/2016 | +0.30 / +2.73% | 11.00 | 11.30 | 10.80 | 11.30 | 11.08 | 11.30 | 1,083,900 |   |  
            | 5/26/2016 | -0.20 / -1.79% | 11.30 | 11.60 | 10.90 | 11.00 | 11.18 | 11.00 | 2,142,490 |   |  			
            | 5/25/2016 | -0.30 / -2.61% | 11.60 | 11.70 | 11.20 | 11.20 | 11.42 | 11.20 | 1,358,130 |   |  
            | 5/24/2016 | -0.20 / -1.71% | 11.80 | 11.90 | 11.50 | 11.50 | 11.65 | 11.50 | 1,510,550 |   |  			
            | 5/23/2016 | -0.20 / -1.68% | 11.90 | 12.20 | 11.70 | 11.70 | 11.88 | 11.70 | 1,697,000 |   |  
            | 5/20/2016 | -0.50 / -4.03% | 12.20 | 12.30 | 11.80 | 11.90 | 11.98 | 11.90 | 2,787,820 |   |  			
            | 5/19/2016 | -0.20 / -1.59% | 12.50 | 12.60 | 12.30 | 12.40 | 12.42 | 12.40 | 1,267,530 |   |  
            | 5/18/2016 | -0.10 / -0.79% | 12.60 | 13.00 | 12.60 | 12.60 | 12.80 | 12.60 | 2,684,870 |   |  			
            | 5/17/2016 | +0.60 / +4.96% | 12.00 | 12.90 | 11.70 | 12.70 | 12.19 | 12.70 | 4,426,370 |   |  
            | 5/16/2016 | +0.40 / +3.42% | 12.40 | 12.40 | 11.90 | 12.10 | 12.18 | 12.10 | 3,430,990 |   |  			
            | 5/13/2016 | +0.70 / +6.36% | 11.30 | 11.70 | 11.20 | 11.70 | 11.60 | 11.70 | 2,829,990 |   |  
            | 5/12/2016 | +0.70 / +6.80% | 10.30 | 11.00 | 10.30 | 11.00 | 10.81 | 11.00 | 1,973,940 |   |  			
            | 5/11/2016 | -0.10 / -0.96% | 10.30 | 10.40 | 10.30 | 10.30 | 10.32 | 10.30 | 324,070 |   |  
            | 5/10/2016 | +0.10 / +0.97% | 10.40 | 10.40 | 10.20 | 10.40 | 10.29 | 10.40 | 203,080 |   |  			
            | 5/9/2016 | 0.00 / 0.00% | 10.20 | 10.40 | 10.20 | 10.30 | 10.28 | 10.30 | 389,820 |   |  
            | 5/6/2016 | 0.00 / 0.00% | 10.20 | 10.40 | 10.20 | 10.30 | 10.30 | 10.30 | 470,690 |   |  			
            | 5/5/2016 | +0.10 / +0.98% | 10.20 | 10.30 | 10.20 | 10.30 | 10.28 | 10.30 | 487,710 |   |  
            | 5/4/2016 | -0.10 / -0.97% | 10.20 | 10.30 | 10.20 | 10.20 | 10.20 | 10.20 | 294,080 |   |  |  |