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                    Closing price on 6/4/2020
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                    | Open | 47.00 |  
                    | High | 47.35 |  
                    | Low | 46.85 |  
                    | Volume | 120,120 |  
                    | Split-adjusted Price | 27.20 |  
                
             | 
 |  PTB Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 6/4/2020 | +0.55 / +1.18% | 47.00 | 47.35 | 46.85 | 47.25 | 47.14 | 27.20 | 120,120 |   |  
            | 6/3/2020 | +0.05 / +0.11% | 46.65 | 47.00 | 46.50 | 46.70 | 46.63 | 26.89 | 97,940 |   |  			
            | 6/2/2020 | -0.25 / -0.53% | 47.70 | 47.70 | 46.65 | 46.65 | 47.04 | 26.86 | 146,520 |   |  
            | 6/1/2020 | +0.40 / +0.86% | 46.85 | 47.00 | 46.40 | 46.90 | 46.69 | 27.00 | 169,670 |   |  			
            | 5/29/2020 | -0.50 / -1.06% | 46.60 | 47.00 | 46.35 | 46.50 | 46.52 | 26.77 | 72,060 |   |  
            | 5/28/2020 | -1.00 / -2.08% | 46.00 | 47.80 | 46.00 | 47.00 | 47.02 | 27.06 | 98,380 |   |  			
            | 5/27/2020 | -0.45 / -0.93% | 49.30 | 49.30 | 47.80 | 48.00 | 48.56 | 27.64 | 200,100 |   |  
            | 5/26/2020 | +1.55 / +3.30% | 47.10 | 48.45 | 47.00 | 48.45 | 47.74 | 27.89 | 266,740 |   |  			
            | 5/25/2020 | +0.60 / +1.30% | 46.50 | 47.30 | 45.90 | 46.90 | 46.63 | 27.00 | 226,010 |   |  
            | 5/22/2020 | -0.15 / -0.32% | 46.15 | 46.80 | 46.15 | 46.30 | 46.41 | 26.66 | 113,660 |   |  			
            | 5/21/2020 | +0.10 / +0.22% | 46.35 | 46.90 | 46.30 | 46.45 | 46.53 | 26.74 | 78,490 |   |  
            | 5/20/2020 | -0.55 / -1.17% | 46.05 | 46.70 | 46.05 | 46.35 | 46.27 | 26.69 | 120,250 |   |  			
            | 5/19/2020 | -0.10 / -0.21% | 47.50 | 47.50 | 46.15 | 46.90 | 46.55 | 27.00 | 221,910 |   |  
            | 5/18/2020 | +2.00 / +4.44% | 45.00 | 47.00 | 45.00 | 47.00 | 46.17 | 27.06 | 99,580 |   |  			
            | 5/15/2020 | -1.55 / -3.33% | 46.60 | 46.80 | 44.70 | 45.00 | 45.32 | 25.91 | 342,130 |   |  
            | 5/14/2020 | -1.25 / -2.62% | 47.30 | 47.50 | 46.00 | 46.55 | 46.65 | 26.80 | 257,890 |   |  			
            | 5/13/2020 | -0.60 / -1.24% | 47.90 | 48.90 | 47.70 | 47.80 | 48.26 | 27.52 | 162,920 |   |  
            | 5/12/2020 | +0.90 / +1.89% | 47.50 | 48.40 | 46.70 | 48.40 | 47.81 | 27.87 | 295,060 |   |  			
            | 5/11/2020 | +0.50 / +1.06% | 46.70 | 47.50 | 46.50 | 47.50 | 47.03 | 27.35 | 394,460 |   |  
            | 5/8/2020 | +0.50 / +1.08% | 46.50 | 47.00 | 46.00 | 47.00 | 46.71 | 27.06 | 263,920 |   |  			
            | 5/7/2020 | +0.45 / +0.98% | 46.20 | 46.50 | 45.60 | 46.50 | 46.14 | 26.77 | 300,970 |   |  
            | 5/6/2020 | +2.05 / +4.66% | 44.00 | 46.50 | 43.70 | 46.05 | 45.54 | 26.51 | 475,870 |   |  			
            | 5/5/2020 | +0.30 / +0.69% | 43.70 | 44.00 | 42.50 | 44.00 | 43.61 | 25.33 | 123,090 |   |  
            | 5/4/2020 | 0.00 / 0.00% | 43.70 | 43.70 | 42.70 | 43.70 | 43.41 | 25.16 | 144,050 |   |  			
            | 4/29/2020 | +0.30 / +0.69% | 43.40 | 43.70 | 42.10 | 43.70 | 43.36 | 25.16 | 124,990 |   |  
            | 4/28/2020 | -0.20 / -0.46% | 44.00 | 44.00 | 42.00 | 43.40 | 42.42 | 24.99 | 146,400 |   |  			
            | 4/27/2020 | +1.10 / +2.59% | 42.00 | 43.90 | 42.00 | 43.60 | 43.01 | 25.10 | 98,010 |   |  
            | 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 |   |  |