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                    Closing price on 10/9/2018
                 |  |  
    
        |           
                
                    | Open | 5.22 |  
                    | High | 5.35 |  
                    | Low | 5.22 |  
                    | Volume | 273,590 |  
                    | Split-adjusted Price | 5.32 |  
                
             | 
 |  QBS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/9/2018 | +0.03 / +0.57% | 5.22 | 5.35 | 5.22 | 5.32 | 5.31 | 5.32 | 273,590 |   |  
            | 10/8/2018 | -0.02 / -0.38% | 5.30 | 5.33 | 5.19 | 5.29 | 5.25 | 5.29 | 115,480 |   |  			
            | 10/5/2018 | -0.11 / -2.03% | 5.42 | 5.42 | 5.31 | 5.31 | 5.38 | 5.31 | 284,900 |   |  
            | 10/4/2018 | +0.01 / +0.18% | 5.36 | 5.45 | 5.36 | 5.42 | 5.41 | 5.42 | 326,000 |   |  			
            | 10/3/2018 | +0.05 / +0.93% | 5.36 | 5.44 | 5.35 | 5.41 | 5.40 | 5.41 | 365,270 |   |  
            | 10/2/2018 | -0.02 / -0.37% | 5.38 | 5.41 | 5.35 | 5.36 | 5.38 | 5.36 | 144,120 |   |  			
            | 10/1/2018 | -0.03 / -0.55% | 5.42 | 5.42 | 5.31 | 5.38 | 5.38 | 5.38 | 311,940 |   |  
            | 9/28/2018 | 0.00 / 0.00% | 5.41 | 5.46 | 5.37 | 5.41 | 5.41 | 5.41 | 191,190 |   |  			
            | 9/27/2018 | +0.17 / +3.24% | 5.33 | 5.45 | 5.20 | 5.41 | 5.29 | 5.41 | 399,350 |   |  
            | 9/26/2018 | +0.01 / +0.19% | 5.34 | 5.34 | 5.19 | 5.24 | 5.21 | 5.24 | 255,510 |   |  			
            | 9/25/2018 | -0.07 / -1.32% | 5.35 | 5.35 | 5.21 | 5.23 | 5.27 | 5.23 | 122,030 |   |  
            | 9/24/2018 | +0.10 / +1.92% | 5.20 | 5.40 | 5.15 | 5.30 | 5.24 | 5.30 | 391,200 |   |  			
            | 9/21/2018 | -0.06 / -1.14% | 5.17 | 5.28 | 5.17 | 5.20 | 5.22 | 5.20 | 223,250 |   |  
            | 9/20/2018 | +0.01 / +0.19% | 5.25 | 5.30 | 5.15 | 5.26 | 5.20 | 5.26 | 437,110 |   |  			
            | 9/19/2018 | +0.15 / +2.94% | 5.07 | 5.44 | 5.07 | 5.25 | 5.25 | 5.25 | 336,170 |   |  
            | 9/18/2018 | +0.10 / +2.00% | 5.11 | 5.15 | 4.98 | 5.10 | 5.10 | 5.10 | 305,290 |   |  			
            | 9/17/2018 | -0.15 / -2.91% | 5.12 | 5.15 | 4.80 | 5.00 | 5.06 | 5.00 | 466,610 |   |  
            | 9/14/2018 | -0.10 / -1.90% | 5.18 | 5.25 | 5.14 | 5.15 | 5.19 | 5.15 | 182,070 |   |  			
            | 9/13/2018 | -0.09 / -1.69% | 5.34 | 5.34 | 5.14 | 5.25 | 5.20 | 5.25 | 332,540 |   |  
            | 9/12/2018 | +0.23 / +4.50% | 5.45 | 5.45 | 5.25 | 5.34 | 5.39 | 5.34 | 371,490 |   |  			
            | 9/11/2018 | +0.33 / +6.90% | 4.89 | 5.11 | 4.83 | 5.11 | 4.97 | 5.11 | 446,540 |   |  
            | 9/10/2018 | +0.08 / +1.70% | 4.69 | 4.89 | 4.63 | 4.78 | 4.79 | 4.78 | 527,770 |   |  			
            | 9/7/2018 | +0.05 / +1.08% | 4.62 | 4.70 | 4.61 | 4.70 | 4.64 | 4.70 | 275,090 |   |  
            | 9/6/2018 | -0.11 / -2.31% | 4.76 | 4.76 | 4.60 | 4.65 | 4.64 | 4.65 | 231,290 |   |  			
            | 9/5/2018 | -0.07 / -1.45% | 4.83 | 4.83 | 4.70 | 4.76 | 4.77 | 4.76 | 179,370 |   |  
            | 9/4/2018 | 0.00 / 0.00% | 4.87 | 4.87 | 4.73 | 4.83 | 4.83 | 4.83 | 528,690 |   |  			
            | 8/31/2018 | +0.03 / +0.63% | 4.83 | 4.84 | 4.73 | 4.83 | 4.79 | 4.83 | 339,650 |   |  
            | 8/30/2018 | +0.10 / +2.13% | 4.70 | 4.80 | 4.59 | 4.80 | 4.66 | 4.80 | 352,770 |   |  			
            | 8/29/2018 | -0.06 / -1.26% | 4.70 | 4.78 | 4.64 | 4.70 | 4.69 | 4.70 | 137,320 |   |  
            | 8/28/2018 | -0.11 / -2.26% | 4.83 | 4.94 | 4.69 | 4.76 | 4.77 | 4.76 | 207,670 |   |  |