Mr. P. Peter Pascali reports

PYROGENESIS ANNOUNCES APPOINTMENT OF JEAN MAYER AS VICE-PRESIDENT, LEGAL AFFAIRS AND CORPORATE SECRETARY

PyroGenesis Inc. has appointed Jean Mayer as vice-president, legal affairs, and corporate secretary, effective immediately.

In his new role, Mr. Mayer will lead PyroGenesis's legal affairs function and serve as corporate secretary, supporting the company's governance, regulatory compliance and strategic initiatives.

Mr. Mayer brings more than 25 years of business and legal experience, including advising public companies on corporate governance, securities law and commercial matters. He has served as general counsel, has held senior executive positions, and has acted as a director with various public and international companies in the mining, clean technology and renewable energy sectors.

"We are very pleased to welcome Jean to PyroGenesis. His depth of experience in legal affairs and corporate governance will be a strong addition to our leadership team as we continue to execute on our strategic priorities," said P. Peter Pascali, president and chief executive officer of PyroGenesis.

About PyroGenesis Inc.

PyroGenesis leverages 35 years of plasma technology leadership to deliver advanced engineering solutions to energy, propulsion, destruction, process heating, emissions and materials development challenges across heavy industry and defence. Its customers include global leaders in aluminum, aerospace, steel, iron ore, utilities, environmental services, military and government. From its Montreal headquarters and local manufacturing facilities, PyroGenesis's engineers, scientists and technicians drive innovation and commercialization of energy transition and ultrahigh-temperature technology. PyroGenesis's operations are ISO 9001:2015 and AS9100D certified, with ISO certification maintained since 1997. PyroGenesis's shares trade on the Toronto Stock Exchange (symbol: PYR), the OTCQX (symbol: PYRGF) and the Frankfurt Stock Exchange (symbol: 8PY1).

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