Perpetua Resources Announces Inclusion in Global Junior Gold Miners Index

BOISE, Idaho, March 17, 2025 /PRNewswire/ - Perpetua Resources Corp. (Nasdaq: PPTA) (TSX: PPTA) ("Perpetua Resources" or "Perpetua" or the "Company") today announced it has been added to the Market Vectors Junior Gold Miners Index and the VanEck Junior Gold Miners ETF ("GDXJ"), effective at market close on March 21, 2025 pursuant to the GDXJ's quarterly rebalance.

The GDXJ is a globally recognized exchange traded fund that tracks small-cap companies primarily involved in gold and silver development and mining. Inclusion in this ETF may increase Perpetua's common share liquidity and further position the Stibnite Gold Project as an attractive investment opportunity for investors seeking exposure to an industry leading gold project and the only potentially mined source of the critical mineral antimony in the United States.

"We are excited to be included in the VanEck Junior Gold Miners ETF, a milestone that reinforces the investment case for Perpetua Resources," said Jon Cherry, President and CEO. "This inclusion reflects the hard work and dedication of our team and positions Perpetua to attract a broader base of institutional and retail investors. As we continue to advance the Stibnite Gold Project and execute on our strategy, we look forward to building on this momentum."

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 approach to restore an abandoned mine site and produce both gold and the only mined source of antimony in the United States. Further advancing Perpetua Resources' ESG and sustainable mining goals, the Project will be powered by one of the lowest carbon emissions grids in the nation and a portion of the antimony produced from the Project will be supplied to Ambri, a U.S.-based company commercializing a low-cost liquid metal battery essential for the low-carbon energy transition. Perpetua Resources has been awarded a Technology Investment Agreement ("TIA") of $59.2 million in Defense Production Act Title III ("DPA") funding to advance construction readiness and permitting of the Project. Antimony trisulfide from Stibnite is the only known domestic source of antimony that can meet U.S. defense needs for many small arms, munitions, and missile types. In addition to the company's commitments to transparency, accountability, environmental stewardship, safety and community engagement, Perpetua Resources adopted formal ESG commitments which can be found here.

Forward-Looking Information

Investors should be aware that the inclusion of the Company in the GDXJ does not indicate any certainty on the part of GDXJ with regard to the duration of the Company's inclusion in GDXJ. Investors should also be aware that the Company has no discretion over future GDXJ rebalancings and the level of exposure GDXJ will have to the Company's common shares in the future, and any impacts to trading volumes as a result of such future rebalancings. Moreover, the inclusion of the Company in the GDXJ does not indicate that additional metals and mining related exchange traded funds, indexes and mutual funds will add the Company in the future. Furthermore, the Company's inclusion in the GDXJ neither ensures higher trading volumes nor precludes lower trading volumes, either of which may adversely impact the price of the Company's common shares in the future.

Statements contained in this news release that are not historical facts are "forward-looking information" or "forward-looking statements" (collectively, "Forward-Looking Information") within the meaning of applicable Canadian securities legislation and the United States Private Securities Litigation Reform Act of 1995. Forward-Looking Information includes, but is not limited to, disclosure regarding the market visibility and liquidity of the Company's common shares; the attractiveness of the Stibnite Gold Project (the "Project") to investors seeking gold and antimony exposure; that the Stibnite Gold Project results in the outcomes we expected; our ability to comply with, obtain and defend permits related to the Project; our ability to successfully implement and fund the Project and the occurrence of the expected benefits from the Project; and our and Ambri Inc.'s ability to perform under the supply agreement. In certain cases, Forward-Looking Information can be identified by the use of words and phrases or variations of such words and phrases or statements such as "anticipate", "expect", "plan", "likely", "believe", "intend", "forecast", "project", "estimate", "potential", "could", "may", "will", "would" or "should". In preparing the Forward-Looking Information in this news release, Perpetua Resources has applied several material assumptions, including, but not limited to, assumptions that the inclusion in the GDXJ will increase visibility of the Project; and that inclusion in the GDXJ will increase liquidity for common shares of the Company; that the current exploration, development, environmental and other objectives concerning the Project can be achieved and that its other corporate activities will proceed as expected. Forward-Looking Information are based on certain material assumptions and involve known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of Perpetua Resources to be materially different from any future results, performance or achievements expressed or implied by the Forward-Looking Information. Such risks and other factors include, among other things, those factors discussed in Perpetua Resources' public filings with the U.S. Securities and Exchange Commission (the "SEC") and its Canadian disclosure record. Although Perpetua Resources has attempted to identify important factors that could affect Perpetua Resources and may cause actual actions, events or results to differ materially from those described in Forward-Looking Information, there may be other factors that cause actions, events or results not to be as anticipated, estimated or intended. There can be no assurance that Forward-Looking Information will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on Forward-Looking Information. For further information on these and other risks and uncertainties that may affect the Company's business and liquidity, see the "Risk Factors" and "Management's Discussion and Analysis of Financial Condition and Results of Operations" sections of the Company's filings with the SEC, which are available at www.sec.gov and with the Canadian securities regulators, which are available at www.sedar.com. Except as required by law, Perpetua Resources does not assume any obligation to release publicly any revisions to Forward-Looking Information contained in this news release to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events.

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SOURCE Perpetua Resources Corp.