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| Raymond Chabot |
| Grant Thornton LLP |
Consent of Independent | Suite 2000 |
Registered Public Accounting Firm | National Bank Tower |
| 600 De La Gauchetière Street West |
| Montréal, Quebec |
| H3B 4L8 |
| T 514-878-2691 |
We have issued our report dated March 31, 2022, with respect to the consolidated financial statements included in the Annual Report of PyroGenesis Canada Inc. on Form 40-F for the year ended December 31, 2021.
We hereby consent to the inclusion of said report in the Annual Report of PyroGenesis Canada Inc. for the fiscal year ended December 31, 2021.
Montreal, Canada
March 31, 2022