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Investor Presentaiton

SUPPORTIVE SHAREHOLDER BASE SHAREHOLDERS Blackrock B. Riley 1.9% Krilogy 2.6% 2.3% ** CAPITAL STRUCTURE* Issued & Outstanding 63.17 Million Options 1.77 Million ✰ Share Units 1.38 Million Sun Valley Gold 7.9% Kopernik 8.3% ✰ Fully Diluted 66.31 Million Estimated Cash Balance* ~$14 Million Other public float 37.8% *Capital structure estimate as of June 30, 2023 **Based on most recent shareholder filings Paulson 39.2% Perpetua Resources RESEARCH COVERAGE B. Riley Financial - Lucas Pipes H.C. Wainwright - Heiko Ihle Cantor Fitzgerald - Mike Kozak ❖ Roth Capital - Mike Niehuser 37

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