Ms. Rodayna Kafal reports

PYROGENESIS SCHEDULES 2023 THIRD QUARTER FINANCIAL RESULTS AND BUSINESS UPDATE CONFERENCE CALL

PyroGenesis Canada Inc. will host a conference call at 10 a.m. Eastern Time on Friday, Nov. 10, 2023, to discuss the company's financial results for the third quarter ended Sept. 30, 2023, as well as the company's corporate progress and other developments.

A live webcast of the conference call can be accessed on-line. The webcast will also be available on the investor relations section of the company's website.

Any inquiries can be submitted ahead of time by sending an e-mail to PyroGenesis's investor relations at ir@pyrogenesis.com with the management team making every effort to address them during the conference call.

About PyroGenesis Canada Inc.

PyroGenesis Canada, a high-tech company, is a proud leader in the design, development, manufacture and commercialization of advanced plasma processes and sustainable solutions which reduce greenhouse gases (GHG) and are economically attractive alternatives to conventional dirty processes. PyroGenesis has created proprietary, patented and advanced plasma technologies that are being vetted and adopted by multiple multibillion-dollar industry leaders in four massive markets: iron ore pelletization, aluminum, waste management and additive manufacturing. With a team of experienced engineers, scientists and technicians working out of its Montreal office, and its 3,800-cubic-metre and 2,940-cubic-metre manufacturing facilities, PyroGenesis maintains its competitive advantage by remaining at the forefront of technology development and commercialization. The operations are ISO 9001:2015 and AS9100D certified, having been ISO certified since 1997.