Investor Presentaiton

Board of Directors TREVALI JILL GARDINER Chair DAN ISSEROW Director " Appointed as Board Chair in March 2020 20+ years of investment banking experience, most recently as Managing Director and Regional Head of B.C. at RBC Capital Markets Director of Capital Power; former Director of Capstone Mining, Turquoise Hill and Timber Investments Holds a BSc and MBA from Queen's University Appointed to Board in October 2017 Chartered Accountant with significant leadership experience in both financial and operating capacities Current Co-Founder, President and CFO at Silica Ventures Former President and CEO of Nando's Appointed to Board in October 2017 RUSSELL BALL Director RICHARD WILLIAMS Director RICUS GRIMBEEK President, CEO & Director ALINE COTE Director NICK POPOVIC Director " " CEO and Director of Calibre Mining Former CFO, EVP, Corporate Development, and EVP, Strategy & Capital Projects at Goldcorp Holds the Chartered Accountant designation Appointed to Board in June 2019 Former COO at Barrick, CEO of Afghan Gold and Minerals, and Commanding Officer of the British Army's Special Forces Regiment, the SAS Holds a MBA from Cranfield University and a Masters Degree from Kings College London Appointed to Board in September 2020 Joined Trevali in April 2019 30+ years of experience in the resource sector, including as COO of Vale Base Metals North Atlantic, President & COO of South32 Australia and Head of Group HSEC of BHP Billiton Holds a BEng from the University of Pretoria Appointed to Board in September 2020 First female Industrial Lead of Glencore International AG, co-head of Zinc industrial assets. Holds a bachelor's degree in Science (Geology) from the University of Quebec (1998), post graduate training in Geology at Laurentian University (2000) and an MBA from the University of Quebec (2008) Joined Trevali in September 2020 20+ years of experience in the resource sector as a Zinc and Lead Concentrates and Metals trader and, most recently, as Head of Marketing and co-Industrial Lead (Zinc Smelters) for Glencore. Chairman of Kazzinc and board member of Compañia Minera Volcan SAA and Volcan S.A.A. Holds a Master of Arts degree from University of Cambridge 21 24

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