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            | 
                    Closing price on 1/31/2023
                 |  |  
    
        |           
                
                    | Open | 5.76 |  
                    | High | 5.76 |  
                    | Low | 5.30 |  
                    | Volume | 166,500 |  
                    | Split-adjusted Price | 5.68 |  
                
             | 
 |  PTC Historical Quote 
            
                | Date | Change | Open | High | Low | Close | Average | Adjusted Close | Volume |  |  			
            | 1/31/2023 | 0.00 / 0.00% | 5.76 | 5.76 | 5.30 | 5.68 | 5.46 | 5.68 | 166,500 |   |  
            | 1/30/2023 | +0.19 / +3.46% | 5.50 | 5.68 | 5.50 | 5.68 | 5.64 | 5.68 | 119,700 |   |  			
            | 1/27/2023 | +0.10 / +1.86% | 5.50 | 5.50 | 5.39 | 5.49 | 5.47 | 5.49 | 28,100 |   |  
            | 1/19/2023 | +0.01 / +0.19% | 5.40 | 5.40 | 5.10 | 5.39 | 5.37 | 5.39 | 21,300 |   |  			
            | 1/18/2023 | +0.14 / +2.67% | 5.24 | 5.38 | 5.01 | 5.38 | 5.23 | 5.38 | 33,300 |   |  
            | 1/17/2023 | +0.13 / +2.54% | 5.17 | 5.27 | 5.12 | 5.24 | 5.20 | 5.24 | 25,100 |   |  			
            | 1/16/2023 | -0.15 / -2.85% | 5.26 | 5.27 | 5.11 | 5.11 | 5.23 | 5.11 | 24,900 |   |  
            | 1/13/2023 | 0.00 / 0.00% | 5.49 | 5.49 | 5.21 | 5.26 | 5.26 | 5.26 | 116,400 |   |  			
            | 1/12/2023 | -0.03 / -0.57% | 5.30 | 5.30 | 5.10 | 5.26 | 5.28 | 5.26 | 86,500 |   |  
            | 1/11/2023 | -0.01 / -0.19% | 5.30 | 5.48 | 5.10 | 5.29 | 5.28 | 5.29 | 97,100 |   |  			
            | 1/10/2023 | 0.00 / 0.00% | 5.06 | 5.43 | 5.06 | 5.30 | 5.29 | 5.30 | 27,200 |   |  
            | 1/9/2023 | +0.14 / +2.71% | 5.40 | 5.40 | 5.05 | 5.30 | 5.19 | 5.30 | 151,100 |   |  			
            | 1/6/2023 | -0.37 / -6.69% | 5.30 | 5.54 | 5.16 | 5.16 | 5.32 | 5.16 | 33,800 |   |  
            | 1/5/2023 | +0.23 / +4.34% | 5.56 | 5.56 | 5.30 | 5.53 | 5.36 | 5.53 | 27,300 |   |  			
            | 1/4/2023 | -0.28 / -5.02% | 5.50 | 5.72 | 5.30 | 5.30 | 5.50 | 5.30 | 191,400 |   |  
            | 1/3/2023 | +0.30 / +5.68% | 5.40 | 5.60 | 5.33 | 5.58 | 5.48 | 5.58 | 61,900 |   |  			
            | 12/30/2022 | -0.17 / -3.12% | 5.82 | 5.82 | 5.13 | 5.28 | 5.32 | 5.28 | 39,600 |   |  
            | 12/29/2022 | +0.35 / +6.86% | 5.17 | 5.45 | 4.98 | 5.45 | 5.17 | 5.45 | 171,400 |   |  			
            | 12/28/2022 | 0.00 / 0.00% | 5.10 | 5.10 | 4.91 | 5.10 | 4.99 | 5.10 | 71,100 |   |  
            | 12/27/2022 | +0.08 / +1.59% | 5.00 | 5.10 | 4.97 | 5.10 | 5.05 | 5.10 | 31,400 |   |  			
            | 12/26/2022 | -0.37 / -6.86% | 5.03 | 5.22 | 5.02 | 5.02 | 5.05 | 5.02 | 157,500 |   |  
            | 12/23/2022 | -0.03 / -0.55% | 5.43 | 5.59 | 5.39 | 5.39 | 5.43 | 5.39 | 78,400 |   |  			
            | 12/22/2022 | -0.32 / -5.57% | 5.80 | 5.88 | 5.34 | 5.42 | 5.47 | 5.42 | 141,300 |   |  
            | 12/21/2022 | -0.43 / -6.97% | 6.00 | 6.10 | 5.74 | 5.74 | 5.79 | 5.74 | 168,000 |   |  			
            | 12/20/2022 | -0.46 / -6.94% | 6.99 | 6.99 | 6.17 | 6.17 | 6.36 | 6.17 | 202,600 |   |  
            | 12/19/2022 | +0.43 / +6.94% | 6.63 | 6.63 | 6.50 | 6.63 | 6.63 | 6.63 | 269,300 |   |  			
            | 12/16/2022 | +0.40 / +6.90% | 5.80 | 6.20 | 5.79 | 6.20 | 6.19 | 6.20 | 243,100 |   |  
            | 12/15/2022 | -0.15 / -2.52% | 6.02 | 6.02 | 5.79 | 5.80 | 5.85 | 5.80 | 65,600 |   |  			
            | 12/14/2022 | -0.05 / -0.83% | 5.88 | 6.04 | 5.88 | 5.95 | 5.97 | 5.95 | 41,900 |   |  
            | 12/13/2022 | 0.00 / 0.00% | 6.00 | 6.00 | 5.88 | 6.00 | 5.96 | 6.00 | 76,300 |   |  |