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                    Closing price on 3/29/2018
                 |  |  
    
        |           
                
                    | Open | 6.00 |  
                    | High | 6.10 |  
                    | Low | 5.90 |  
                    | Volume | 16,930 |  
                    | Split-adjusted Price | 5.90 |  
                
             | 
 |  QBS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 3/29/2018 | -0.30 / -4.84% | 6.00 | 6.10 | 5.90 | 5.90 | 6.02 | 5.90 | 16,930 |   |  
            | 3/28/2018 | -0.03 / -0.48% | 6.23 | 6.30 | 5.90 | 6.20 | 6.01 | 6.20 | 9,740 |   |  			
            | 3/27/2018 | +0.03 / +0.48% | 6.20 | 6.35 | 5.90 | 6.23 | 5.99 | 6.23 | 10,510 |   |  
            | 3/26/2018 | +0.20 / +3.33% | 6.00 | 6.20 | 5.58 | 6.20 | 5.89 | 6.20 | 53,340 |   |  			
            | 3/23/2018 | -0.05 / -0.83% | 6.03 | 6.03 | 5.90 | 6.00 | 5.95 | 6.00 | 129,160 |   |  
            | 3/22/2018 | -0.22 / -3.51% | 6.27 | 6.27 | 6.05 | 6.05 | 6.11 | 6.05 | 63,650 |   |  			
            | 3/21/2018 | -0.08 / -1.26% | 6.28 | 6.35 | 6.12 | 6.27 | 6.18 | 6.27 | 102,620 |   |  
            | 3/20/2018 | -0.05 / -0.78% | 6.38 | 6.38 | 6.22 | 6.35 | 6.30 | 6.35 | 92,370 |   |  			
            | 3/19/2018 | 0.00 / 0.00% | 6.39 | 6.40 | 6.21 | 6.40 | 6.33 | 6.40 | 294,810 |   |  
            | 3/16/2018 | +0.01 / +0.16% | 6.31 | 6.50 | 6.20 | 6.40 | 6.36 | 6.40 | 251,540 |   |  			
            | 3/15/2018 | +0.39 / +6.50% | 5.76 | 6.39 | 5.75 | 6.39 | 5.97 | 6.39 | 85,210 |   |  
            | 3/14/2018 | -0.10 / -1.64% | 6.10 | 6.10 | 5.89 | 6.00 | 6.00 | 6.00 | 45,030 |   |  			
            | 3/13/2018 | -0.18 / -2.87% | 6.27 | 6.27 | 6.02 | 6.10 | 6.06 | 6.10 | 49,210 |   |  
            | 3/12/2018 | -0.07 / -1.10% | 6.30 | 6.33 | 6.10 | 6.28 | 6.16 | 6.28 | 83,150 |   |  			
            | 3/9/2018 | +0.02 / +0.32% | 6.10 | 6.40 | 6.10 | 6.35 | 6.32 | 6.35 | 197,440 |   |  
            | 3/8/2018 | -0.15 / -2.31% | 6.50 | 6.50 | 6.10 | 6.33 | 6.29 | 6.33 | 111,020 |   |  			
            | 3/7/2018 | +0.39 / +6.40% | 6.51 | 6.51 | 6.30 | 6.48 | 6.48 | 6.48 | 736,450 |   |  
            | 3/6/2018 | +0.39 / +6.84% | 5.80 | 6.09 | 5.80 | 6.09 | 6.05 | 6.09 | 166,720 |   |  			
            | 3/5/2018 | +0.03 / +0.53% | 5.62 | 5.99 | 5.61 | 5.70 | 5.71 | 5.70 | 104,750 |   |  
            | 3/2/2018 | +0.37 / +6.98% | 5.40 | 5.67 | 5.30 | 5.67 | 5.59 | 5.67 | 198,140 |   |  			
            | 3/1/2018 | -0.19 / -3.46% | 5.28 | 5.48 | 5.20 | 5.30 | 5.25 | 5.30 | 79,800 |   |  
            | 2/28/2018 | +0.18 / +3.39% | 5.31 | 5.49 | 4.97 | 5.49 | 5.22 | 5.49 | 168,540 |   |  			
            | 2/27/2018 | -0.39 / -6.84% | 5.60 | 5.89 | 5.31 | 5.31 | 5.34 | 5.31 | 264,270 |   |  
            | 2/26/2018 | -0.30 / -5.00% | 6.00 | 6.00 | 5.70 | 5.70 | 5.80 | 5.70 | 46,540 |   |  			
            | 2/23/2018 | +0.20 / +3.45% | 5.88 | 6.00 | 5.79 | 6.00 | 5.87 | 6.00 | 36,260 |   |  
            | 2/22/2018 | +0.03 / +0.52% | 5.90 | 5.90 | 5.77 | 5.80 | 5.78 | 5.80 | 19,040 |   |  			
            | 2/21/2018 | 0.00 / 0.00% | 5.77 | 5.90 | 5.76 | 5.77 | 5.77 | 5.77 | 21,140 |   |  
            | 2/13/2018 | +0.37 / +6.85% | 5.70 | 5.77 | 5.11 | 5.77 | 5.44 | 5.77 | 45,180 |   |  			
            | 2/12/2018 | +0.30 / +5.88% | 5.40 | 5.40 | 5.10 | 5.40 | 5.28 | 5.40 | 75,750 |   |  
            | 2/9/2018 | -0.15 / -2.86% | 5.20 | 5.25 | 5.05 | 5.10 | 5.17 | 5.10 | 144,850 |   |  |