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Critical Resources. Responsible Mining. Environemtnal Restoration 1

Corporate Updates

405 S 8th Street #201, Boise, ID 83702

CRITICAL RESOURCES. RESPONSIBLE MINING. ENVIRONEMTNAL RESTORATION 1

NEWS RELEASE

February 17, 2021

Perpetua Resources and Nez Perce Tribe Agree to Stay of Clean Water Act Litigation

BOISE, ID – Perpetua Resources Corp. (formerly Midas Gold Corp.) (MAX:TSX /

MDRPF:OTCQX) (“Perpetua Resources” or the “Company”) released the following statement

regarding an agreement with the Nez Perce Tribe to stay the Tribe’s Clean Water Act lawsuit:

"The Nez Perce Tribe and Perpetua Resources (previously Midas Gold) have jointly

moved for a 3 -month stay of the Tribe's Clean Water Act lawsuit while they pursue a

Court-ordered dispute resolution process. The litigation stay will allow the parties to

work with a neutral judge or mediator to determine if there are grounds to work out a

resolution of the lawsuit.”

A copy of today’s filing can be found here.

For further information about Perpetua Resources Corp., please contact:

Jessica Largent

Vice President Investor Relations and Finance

[email protected]

[email protected]

Mckinsey Lyon

Vice President External Affairs

[email protected]

Website: www.perpetuaresources.com

About Perpetua Resources and the Stibnite Gold Project

Perpetua Resources Corp., through its wholly owned subsidiaries, is focused on the exploration,

site restoration and redevelopment of gold-antimony-silver deposits in the Stibnite-Yellow Pine

district of central Idaho that are encompassed by the Stibnite Gold Project. The Project is one

of the highest -grade, open pit gold deposits in the United States and is designed to apply a

modern, responsible mining appro ach to restore an abandoned mine site and produce both

gold and the only mined source of antimony in the United States. Antimony is a federally

designated critical mineral for its use in the national defense, aerospace and technology sectors.

In addition to the company’s commitments to transparency, accountability, environmental

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stewardship, safety and community engagement, Perpetua Resources adopted formal ESG

commitments which can be found here.