As of Nov. 7, 2023, PolyMet is a wholly-owned subsidiary of Glencore.

Shareholders who have questions or require assistance with their Common Shares may direct questions to Computershare Investor Services Inc., at 1-800-564-6253 (toll-free in Canada and the U.S.) or 514-982-7555 (international direct dial) or by email at corporateactions@computershare.com.

Historical filings by PolyMet remain available through the company's profile on EDGAR and SEDAR+

For more information on Glencore visit glencore.com.

For information on the NorthMet and Mesaba Projects in Minnesota, visit newrangecoppernickel.com.

Experienced and Committed Leadership

The members of our leadership team have a wealth of knowledge and experience in environmental, engineering, regulatory, finance, business, and community engagement in both mining and other industries.

Jon Cherry

Chairman, President, CEO

Leader in new mine development and environmental policy with over 30 years industry experience. Designed and permitted first US nickel mine in Michigan. Joined PolyMet in 2012.

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Patrick Keenan

Executive Vice President and Chief Financial Officer

Extensive finance and executive leadership roles with major global mining operations, including Rio Tinto and Newmont. Over 30 years industry experience. Joined PolyMet in 2017.

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John Burton

Director

Director - Company secretary of Glencore. Leads governance arrangements for Glencore and advises on corporate transactions. Elected to the Board in 2023.

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David Dreisinger

Director

Professor and chairholder of the Industrial Research Chair in Hydrometallurgy at the University of British Columbia. Has published more than 300 papers. Elected to the Board in 2003.

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David J. Fermo

Director

Former J.P. Morgan executive where he managed three positions encompassing both the Asset Management Division and the Private Bank, now retired. Elected to the Board in 2020.

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Alan R. Hodnik

Lead Independent Director

Former chairman, president and CEO of ALLETE Inc., now retired. His career spanned 40 years within ALLETE and its subsidiaries. Elected to the Board in 2011.

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Stephen Rowland

Director

Glencore executive for international trading in metals and minerals in London, Switzerland and the U.S. Elected to the Board in 2008.

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Matthew Rowlinson

Director

Leads business development for Glencore’s copper assets group, leading and participating in many of Glencore’s copper acquisitions, mergers and divestments. Elected to the Board in 2021.

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