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HALIFAX, Nova Scotia, June 24, 2025 (GLOBE NEWSWIRE) -- Erdene Resource Development Corporation (TSX:ERD | MSE:ERDN) (“Erdene& or the “Company&) is pleased to publish its 2025 Letter to Shareholders authored by President and CEO, Peter Akerley. To read the letter please visit: Letter_to_Shareholders

Peter Akerley, Erdene&s President and CEO stated, “As outlined in my letter to fellow shareholders, Bayan Khundii is poised to enter production as one of the highest-grade, open-pit mines globally, with low all-in sustaining costs. The project is coming online at a time when gold prices are testing historic highs, providing shareholders significant leverage to gold prices.&

Mr. Akerley continued, “This milestone comes only ten years after our geologists discovered high-grade gold at surface, making Bayan Khundii one of the fastest projects to make this transition in recent memory. Cash flow from Bayan Khundii will support further exploration and the advancement of our broader Khundii Minerals District portfolio, generating value for all stakeholders in the decades to come.&

About Erdene

Erdene Resource Development Corp. is a Canada-based resource company focused on the acquisition, exploration, and development of precious and base metals in underexplored and highly prospective Mongolia. The Company has interests in three mining licenses and an exploration license in Southwest Mongolia, where exploration success has led to the discovery and definition of the Khundii Minerals District. Erdene Resource Development Corp. is listed on the Toronto and the Mongolian stock exchanges. Further information is available at www.erdene.com. Important information may be disseminated exclusively via the website; investors should consult the site to access this information.

Forward-Looking Statements

Certain information regarding Erdene contained herein may constitute forward-looking statements within the meaning of applicable securities laws. Forward-looking statements may include estimates, plans, expectations, opinions, forecasts, projections, guidance or other statements that are not statements of fact. Although Erdene believes that the expectations reflected in such forward-looking statements are reasonable, it can give no assurance that such expectations will prove to have been correct. Erdene cautions that actual performance will be affected by a number of factors, most of which are beyond its control, and that future events and results may vary substantially from what Erdene currently foresees. Factors that could cause actual results to differ materially from those in forward-looking statements include the ability to obtain required third party approvals, market prices, exploitation and exploration results, continued availability of capital and financing and general economic, market or business conditions. The forward-looking statements are expressly qualified in their entirety by this cautionary statement. The information contained herein is stated as of the current date and is subject to change after that date. The Company does not assume the obligation to revise or update these forward-looking statements, except as may be required under applicable securities laws.

NO REGULATORY AUTHORITY HAS APPROVED OR DISAPPROVED THE CONTENTS OF THIS RELEASE

Erdene Contact Information

Peter C. Akerley, President and CEO, or
Robert Jenkins, CFO