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                    Closing price on 4/24/2020
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        |           
                
                    | Open | 43.50 |  
                    | High | 43.50 |  
                    | Low | 41.00 |  
                    | Volume | 480,150 |  
                    | Split-adjusted Price | 24.47 |  
                
             | 
 |  PTB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 4/24/2020 | 0.00 / 0.00% | 43.50 | 43.50 | 41.00 | 42.50 | 41.83 | 24.47 | 480,150 |   |  
            | 4/23/2020 | -0.90 / -2.07% | 43.50 | 45.00 | 42.30 | 42.50 | 42.94 | 24.47 | 274,780 |   |  			
            | 4/22/2020 | -1.00 / -2.25% | 42.00 | 43.50 | 42.00 | 43.40 | 42.94 | 24.99 | 347,560 |   |  
            | 4/21/2020 | -1.35 / -2.95% | 45.00 | 45.65 | 42.60 | 44.40 | 43.92 | 25.56 | 397,890 |   |  			
            | 4/20/2020 | +2.05 / +4.69% | 43.80 | 46.50 | 43.80 | 45.75 | 45.61 | 26.34 | 330,070 |   |  
            | 4/17/2020 | +0.35 / +0.81% | 43.35 | 44.00 | 43.35 | 43.70 | 43.52 | 25.16 | 274,710 |   |  			
            | 4/16/2020 | -0.25 / -0.57% | 43.60 | 43.60 | 42.70 | 43.35 | 43.11 | 24.96 | 197,970 |   |  
            | 4/15/2020 | +0.75 / +1.75% | 42.80 | 44.15 | 42.40 | 43.60 | 43.32 | 25.10 | 279,040 |   |  			
            | 4/14/2020 | -0.55 / -1.27% | 43.40 | 43.60 | 42.00 | 42.85 | 42.51 | 24.09 | 172,560 |   |  
            | 4/13/2020 | +0.60 / +1.40% | 42.80 | 44.00 | 42.00 | 43.40 | 43.02 | 24.40 | 243,910 |   |  			
            | 4/10/2020 | -0.20 / -0.47% | 43.00 | 43.50 | 41.50 | 42.80 | 42.19 | 24.07 | 114,180 |   |  
            | 4/9/2020 | +1.10 / +2.63% | 41.80 | 43.50 | 41.30 | 43.00 | 42.36 | 24.18 | 241,730 |   |  			
            | 4/8/2020 | -2.10 / -4.77% | 43.50 | 43.50 | 41.80 | 41.90 | 42.35 | 23.56 | 226,530 |   |  
            | 4/7/2020 | +1.90 / +4.51% | 45.00 | 45.00 | 42.00 | 44.00 | 43.73 | 24.74 | 349,090 |   |  			
            | 4/6/2020 | +2.75 / +6.99% | 42.00 | 42.10 | 41.00 | 42.10 | 41.99 | 23.67 | 171,270 |   |  
            | 4/3/2020 | +2.55 / +6.93% | 38.70 | 39.35 | 38.00 | 39.35 | 39.17 | 22.13 | 307,780 |   |  			
            | 4/1/2020 | +2.40 / +6.98% | 34.00 | 36.80 | 34.00 | 36.80 | 36.15 | 20.69 | 151,300 |   |  
            | 3/31/2020 | +1.50 / +4.56% | 32.90 | 35.00 | 32.90 | 34.40 | 33.85 | 19.34 | 284,100 |   |  			
            | 3/30/2020 | -2.10 / -6.00% | 32.55 | 33.10 | 32.55 | 32.90 | 32.68 | 18.50 | 525,250 |   |  
            | 3/27/2020 | -1.20 / -3.31% | 36.30 | 36.30 | 34.30 | 35.00 | 35.31 | 19.68 | 285,270 |   |  			
            | 3/26/2020 | -0.15 / -0.41% | 38.00 | 38.65 | 36.20 | 36.20 | 37.43 | 20.36 | 265,800 |   |  
            | 3/25/2020 | +2.35 / +6.91% | 35.00 | 36.35 | 35.00 | 36.35 | 36.16 | 20.44 | 156,120 |   |  			
            | 3/24/2020 | -0.80 / -2.30% | 32.55 | 35.50 | 32.40 | 34.00 | 32.82 | 19.12 | 930,990 |   |  
            | 3/23/2020 | -2.60 / -6.95% | 34.80 | 34.90 | 34.80 | 34.80 | 34.80 | 19.57 | 298,470 |   |  			
            | 3/20/2020 | -2.80 / -6.97% | 40.00 | 40.00 | 37.40 | 37.40 | 37.73 | 21.03 | 498,250 |   |  
            | 3/19/2020 | -3.00 / -6.94% | 41.10 | 41.20 | 40.20 | 40.20 | 40.39 | 22.60 | 255,180 |   |  			
            | 3/18/2020 | -0.80 / -1.82% | 45.50 | 45.50 | 42.80 | 43.20 | 43.46 | 24.29 | 243,370 |   |  
            | 3/17/2020 | -0.85 / -1.90% | 41.80 | 44.00 | 41.80 | 44.00 | 43.20 | 24.74 | 155,940 |   |  			
            | 3/16/2020 | -3.35 / -6.95% | 48.20 | 48.20 | 44.85 | 44.85 | 45.31 | 25.22 | 243,650 |   |  
            | 3/13/2020 | -2.10 / -4.17% | 46.80 | 49.00 | 46.80 | 48.20 | 46.86 | 27.10 | 237,450 |   |  |