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            | 
                    Closing price on 11/16/2022
                 |  |  
    
        |           
                
                    | Open | 1.30 |  
                    | High | 1.48 |  
                    | Low | 1.30 |  
                    | Volume | 650,700 |  
                    | Split-adjusted Price | 1.48 |  
                
             | 
 |  QBS Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 11/16/2022 | +0.09 / +6.47% | 1.30 | 1.48 | 1.30 | 1.48 | 1.37 | 1.48 | 650,700 |   |  
            | 11/15/2022 | -0.10 / -6.71% | 1.40 | 1.48 | 1.39 | 1.39 | 1.39 | 1.39 | 359,900 |   |  			
            | 11/14/2022 | -0.11 / -6.88% | 1.51 | 1.54 | 1.49 | 1.49 | 1.50 | 1.49 | 314,600 |   |  
            | 11/11/2022 | -0.08 / -4.76% | 1.70 | 1.75 | 1.58 | 1.60 | 1.66 | 1.60 | 317,300 |   |  			
            | 11/10/2022 | -0.12 / -6.67% | 1.72 | 1.79 | 1.68 | 1.68 | 1.70 | 1.68 | 315,100 |   |  
            | 11/9/2022 | +0.07 / +4.05% | 1.73 | 1.85 | 1.73 | 1.80 | 1.82 | 1.80 | 419,700 |   |  			
            | 11/8/2022 | -0.11 / -5.98% | 1.84 | 1.84 | 1.72 | 1.73 | 1.74 | 1.73 | 543,000 |   |  
            | 11/7/2022 | -0.11 / -5.64% | 1.97 | 1.97 | 1.82 | 1.84 | 1.86 | 1.84 | 314,500 |   |  			
            | 11/4/2022 | -0.05 / -2.50% | 2.00 | 2.01 | 1.93 | 1.95 | 1.97 | 1.95 | 431,200 |   |  
            | 11/3/2022 | -0.06 / -2.91% | 2.00 | 2.07 | 1.98 | 2.00 | 2.01 | 2.00 | 269,000 |   |  			
            | 11/2/2022 | 0.00 / 0.00% | 2.07 | 2.11 | 2.02 | 2.06 | 2.07 | 2.06 | 127,400 |   |  
            | 11/1/2022 | -0.02 / -0.96% | 2.08 | 2.14 | 2.05 | 2.06 | 2.08 | 2.06 | 166,100 |   |  			
            | 10/31/2022 | -0.04 / -1.89% | 2.16 | 2.16 | 2.00 | 2.08 | 2.07 | 2.08 | 138,500 |   |  
            | 10/28/2022 | +0.04 / +1.92% | 2.10 | 2.18 | 2.08 | 2.12 | 2.13 | 2.12 | 321,700 |   |  			
            | 10/27/2022 | +0.11 / +5.58% | 2.00 | 2.08 | 1.98 | 2.08 | 2.03 | 2.08 | 262,300 |   |  
            | 10/26/2022 | -0.10 / -4.83% | 2.06 | 2.09 | 1.97 | 1.97 | 2.02 | 1.97 | 161,600 |   |  			
            | 10/25/2022 | -0.04 / -1.90% | 2.09 | 2.11 | 1.97 | 2.07 | 2.02 | 2.07 | 715,200 |   |  
            | 10/24/2022 | -0.15 / -6.64% | 2.25 | 2.29 | 2.11 | 2.11 | 2.12 | 2.11 | 555,300 |   |  			
            | 10/21/2022 | -0.16 / -6.61% | 2.42 | 2.42 | 2.26 | 2.26 | 2.29 | 2.26 | 511,200 |   |  
            | 10/20/2022 | -0.04 / -1.63% | 2.44 | 2.48 | 2.36 | 2.42 | 2.41 | 2.42 | 161,600 |   |  			
            | 10/19/2022 | 0.00 / 0.00% | 2.47 | 2.49 | 2.44 | 2.46 | 2.46 | 2.46 | 151,400 |   |  
            | 10/18/2022 | +0.05 / +2.07% | 2.47 | 2.50 | 2.41 | 2.46 | 2.44 | 2.46 | 362,400 |   |  			
            | 10/17/2022 | -0.05 / -2.03% | 2.45 | 2.45 | 2.40 | 2.41 | 2.42 | 2.41 | 167,600 |   |  
            | 10/14/2022 | +0.09 / +3.80% | 2.40 | 2.47 | 2.37 | 2.46 | 2.42 | 2.46 | 432,500 |   |  			
            | 10/13/2022 | -0.01 / -0.42% | 2.34 | 2.42 | 2.34 | 2.37 | 2.39 | 2.37 | 246,300 |   |  
            | 10/12/2022 | +0.05 / +2.15% | 2.33 | 2.41 | 2.30 | 2.38 | 2.37 | 2.38 | 320,600 |   |  			
            | 10/11/2022 | -0.17 / -6.80% | 2.56 | 2.56 | 2.33 | 2.33 | 2.38 | 2.33 | 476,300 |   |  
            | 10/10/2022 | -0.06 / -2.34% | 2.41 | 2.65 | 2.39 | 2.50 | 2.49 | 2.50 | 427,700 |   |  			
            | 10/7/2022 | -0.19 / -6.91% | 2.58 | 2.71 | 2.56 | 2.56 | 2.58 | 2.56 | 595,300 |   |  
            | 10/6/2022 | -0.10 / -3.51% | 2.85 | 2.87 | 2.74 | 2.75 | 2.82 | 2.75 | 177,800 |   |  |