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Entrée Resources Announces Retirement of Director and Appointment of New Board Member

Management Changes

ENTRÉE RESOURCES ANNOUNCES RETIREMENT OF DIRECTOR AND

APPOINTMENT OF NEW BOARD MEMBER

Vancouver, B.C., December 1, 2025 – Entrée Resources Ltd. (TSX:ETG; OTCQB:ERLFF – the “Company” or

“Entrée”) today announces D r. Michael Price will be retiring from the Board of Directors (the “Board”)

of the Company effective December 31, 2025, after more than seven years of dedicated service.

Alan Edwards, Entrée’s Non-Executive Chair of the Board commented, “We would like to thank Dr. Price

for his contributions and commitment as an independent director and a member of the Audit and

Technical Committees of the Board . We have been extremely fortunate to have the benefit of his

knowledge and insight developed over a 40-year career in mining a nd mining finance . Dr. Price’s

commonsense approach and business acumen have been greatly appreciated. I would personally like to

thank Mike for his support and friendship over the past years and wish him all the best in his retirement”.

The Company is pleased to announce that Mr. Chris Adams has accepted an offer to serve on the Board

as an independent director to fill the vacancy created by Dr. Price’s retirement.

Mr. Adams is a mining finance consultant and corporate director with 35 years of industry experience.

As head of Mining Finance for the Americas with Macquarie Group Limited, he led teams to evaluate and

execute equity investments and loans to mining devel opment projects around the world and marketed

commodity derivatives. Prior to Macquarie, Mr. Adams worked in mining investment banking in Canada

and Australia for both Macquarie and CIBC. He holds a B.Com. degree from McGill University, an MBA

from the Massachusetts Institute of Technology, and the CFA designation.

Mr. Adams will join the Board effective January 1, 2026. Mr. Edwards commented, “The Board is looking

forward to working with Chris as the Company continues its efforts to resolve outstanding issues in

Mongolia to enable the restart of Oyu Tolgoi Lift 1 Panel 1 underground development work”.

ABOUT ENTRÉE RESOURCES LTD.

Entrée Resources Ltd. is a Canadian mining company with a unique carried joint venture interest on a

significant portion of one of the world’s largest copper-gold projects – the Oyu Tolgoi project in Mongolia.

Entrée has a 20% or 30% carried participating interest in the Entrée/Oyu Tolgoi joint venture, depending

on the depth of mineralization. Royal Gold (through its wholly owned subsidiary International Royalty

Corporation) and Rio Tinto are major shareholders of Entrée, beneficially holding approximately 24% and

16% of the shares of the Company, respectively. More information about Entrée can be found at

www.EntreeResourcesLtd.com.

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FURTHER INFORMATION

David Jan

Investor Relations

Entrée Resources Ltd.

Tel: 604-687-4777 | Toll Free: 1-866-368-7330

E-mail: [email protected]

This News Release contains forward-looking information within the meaning of applicable Canadian securities laws.

In certain cases, forward-looking information can be identified by words such as "plans", "expects" or "does not expect", "is expected", "budgeted",

"scheduled", "estimates", "forecasts", "intends", "anticipates", or "does not anticipate" or "believes" or variations of such words and phrases or

statements that certain actions, events or results "may", "could", "would", "might", "will be taken", "occur" or "be achieved". While the Company

has based this forward -looking information on its expectations about f uture events as at the date that such information was prepared, the

information is not a guarantee of Entrée’s future performance and is based on certain assumptions.

Risks, uncertainties, and factors which could cause actual results, performance, or achievements of the Company to differ materially from future

results, performance, or achievements expressed or implied by forward -looking information are discussed in the Company’s most recently filed

MD&A and in the Company’s Annual Information Form for the financial year ended December 31, 202 4, dated March 12, 2025 filed with the

Canadian Securities Administrators and available at www.sedarplus.ca. Although the Company has attempted to identify important factors that

could 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 information. Accordingly,

readers should not place undue reliance on forward -looking information. The Company is under no obligation to update or alter any forward -

looking information except as required under applicable securities laws.