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            | 
                    Closing price on 10/20/2022
                 |  |  
    
        |           
                
                    | Open | 7.59 |  
                    | High | 7.86 |  
                    | Low | 7.33 |  
                    | Volume | 44,000 |  
                    | Split-adjusted Price | 7.40 |  
                
             | 
 |  PTC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 10/20/2022 | -0.19 / -2.50% | 7.59 | 7.86 | 7.33 | 7.40 | 7.43 | 7.40 | 44,000 |   |  
            | 10/19/2022 | +0.10 / +1.34% | 7.50 | 7.68 | 7.49 | 7.59 | 7.57 | 7.59 | 81,700 |   |  			
            | 10/18/2022 | +0.22 / +3.03% | 7.31 | 7.70 | 7.31 | 7.49 | 7.50 | 7.49 | 132,700 |   |  
            | 10/17/2022 | -0.53 / -6.79% | 7.61 | 7.77 | 7.27 | 7.27 | 7.47 | 7.27 | 135,700 |   |  			
            | 10/14/2022 | +0.25 / +3.31% | 8.07 | 8.07 | 7.71 | 7.80 | 7.95 | 7.80 | 277,500 |   |  
            | 10/13/2022 | +0.49 / +6.94% | 7.00 | 7.55 | 7.00 | 7.55 | 7.54 | 7.55 | 607,700 |   |  			
            | 10/12/2022 | -0.08 / -1.12% | 6.81 | 7.30 | 6.80 | 7.06 | 7.08 | 7.06 | 173,900 |   |  
            | 10/11/2022 | -0.53 / -6.91% | 7.99 | 7.99 | 7.14 | 7.14 | 7.24 | 7.14 | 229,200 |   |  			
            | 10/10/2022 | +0.07 / +0.92% | 7.56 | 7.72 | 7.29 | 7.67 | 7.62 | 7.67 | 219,500 |   |  
            | 10/7/2022 | -0.57 / -6.98% | 8.15 | 8.16 | 7.60 | 7.60 | 7.63 | 7.60 | 349,700 |   |  			
            | 10/6/2022 | -0.61 / -6.95% | 8.80 | 9.00 | 8.17 | 8.17 | 8.68 | 8.17 | 152,400 |   |  
            | 10/5/2022 | +0.57 / +6.94% | 8.58 | 8.78 | 8.30 | 8.78 | 8.52 | 8.78 | 1,078,600 |   |  			
            | 10/4/2022 | -0.19 / -2.26% | 8.70 | 8.70 | 8.10 | 8.21 | 8.30 | 8.21 | 1,115,200 |   |  
            | 10/3/2022 | -0.63 / -6.98% | 9.03 | 9.03 | 8.40 | 8.40 | 8.97 | 8.40 | 1,135,800 |   |  			
            | 9/30/2022 | +0.03 / +0.33% | 9.00 | 9.50 | 8.40 | 9.03 | 8.88 | 9.03 | 93,500 |   |  
            | 9/29/2022 | 0.00 / 0.00% | 9.63 | 9.63 | 9.00 | 9.00 | 9.55 | 9.00 | 128,400 |   |  			
            | 9/28/2022 | -0.58 / -6.05% | 9.58 | 9.58 | 9.00 | 9.00 | 9.16 | 9.00 | 112,500 |   |  
            | 9/27/2022 | -0.28 / -2.84% | 9.86 | 9.99 | 9.20 | 9.58 | 9.63 | 9.58 | 103,000 |   |  			
            | 9/26/2022 | -0.74 / -6.98% | 10.20 | 10.25 | 9.86 | 9.86 | 9.95 | 9.86 | 1,576,260 |   |  
            | 9/23/2022 | +0.05 / +0.47% | 10.60 | 10.80 | 10.55 | 10.60 | 10.64 | 10.60 | 67,000 |   |  			
            | 9/22/2022 | -0.05 / -0.47% | 10.50 | 10.65 | 9.90 | 10.55 | 10.32 | 10.55 | 139,900 |   |  
            | 9/21/2022 | +0.10 / +0.95% | 10.70 | 10.80 | 10.50 | 10.60 | 10.64 | 10.60 | 129,000 |   |  			
            | 9/20/2022 | +0.25 / +2.44% | 10.25 | 10.70 | 10.20 | 10.50 | 10.44 | 10.50 | 125,200 |   |  
            | 9/19/2022 | -0.75 / -6.82% | 11.00 | 11.00 | 10.25 | 10.25 | 10.47 | 10.25 | 334,600 |   |  			
            | 9/16/2022 | -0.65 / -5.58% | 11.65 | 11.65 | 11.00 | 11.00 | 11.30 | 11.00 | 147,600 |   |  
            | 9/15/2022 | -0.10 / -0.85% | 11.75 | 12.10 | 11.60 | 11.65 | 11.87 | 11.65 | 172,800 |   |  			
            | 9/14/2022 | +0.20 / +1.73% | 11.10 | 12.10 | 11.05 | 11.75 | 11.71 | 11.75 | 170,700 |   |  
            | 9/13/2022 | -0.55 / -4.55% | 12.10 | 12.35 | 11.55 | 11.55 | 11.77 | 11.55 | 169,900 |   |  			
            | 9/12/2022 | +0.05 / +0.41% | 12.85 | 12.85 | 12.00 | 12.10 | 12.54 | 12.10 | 452,500 |   |  
            | 9/9/2022 | +0.75 / +6.64% | 12.05 | 12.05 | 12.05 | 12.05 | 12.05 | 12.05 | 292,200 |   |  |