Coeur Mining, Inc. (“Coeur” or the “Company”) (NYSE, TSX: CDE) today published its 2025 Responsibility Report (the “Report”), outlining the Company’s approach to responsible mining and highlighting progress across its environmental, safety, workforce and community priorities. The Report demonstrates how Coeur integrates sustainability considerations and strong governance into operational decision-making to support long-term value creation for stakeholders across its portfolio.

Report highlights include:

• Water Stewardship – In 2025, Coeur formalized enterprise-wide water stewardship goals with a focus on resilience, efficiency and transparency. The Company continued site-specific initiatives and community investments, including the ongoing implementation of a multi-year water stewardship program at Las Chispas with more than $1 million invested since 2021 to strengthen local water infrastructure and long-term community water security.
• Health and Safety – Coeur achieved its lowest lost-time incident severity rate in the Company’s history through a continued focus on critical risk management, leadership engagement and proactive hazard identification. These efforts supported a fourth consecutive year as a peer leader in safety incident rates, as reported by the U.S. Mine Safety and Health Administration (“MSHA”)¹.
• Tailings Management – As part of its commitment to the Global Industry Standard on Tailings Management, the Company advanced implementation across applicable sites, reaching approximately 73% overall completion in 2025 compared to 30% at year-end 2024, and remaining on track toward full conformance at applicable sites by the end of next year.
• Energy and Climate – Coeur achieved its lowest recorded greenhouse gas emissions intensity since 2020 after surpassing its three-year reduction goal at year-end 2024, supported by improved production efficiency and its growing use of renewable electricity, which represented 43% of purchased electricity in 2025.
• Biodiversity and Land Management – The Company continued implementing its Biodiversity Management Standard, which guides the identification, assessment and management of biodiversity risks and opportunities across the mine lifecycle, completing a nature-related risk assessment at Wharf, following the 2024 pilot at Kensington, and advancing reclamation and land stewardship activities across its sites.
• Community and Indigenous Engagement – Coeur invested approximately $1.8 million in community initiatives in 2025, increasing its community investment from 2024, supporting education, workforce development, infrastructure and health programs, while strengthening partnerships with Indigenous communities through continued engagement, agreements and scholarship programs.
• Strong Governance – The Company maintained robust governance practices, including Board oversight of responsibility priorities, integration of responsibility-related metrics into executive compensation and continued strengthening of enterprise risk management, ethics and compliance programs. Coeur also maintained an ISS Governance QualityScore of 1, placing the Company in the top decile of governance performance relative to industry peers.

“At Coeur, corporate responsibility is integral to how we operate and how we build a resilient business,” said Mitchell J. Krebs, Chairman, President and Chief Executive Officer. “2025 was a transformational year for our company, marked by the successful integration of the Las Chispas operation, the announcement of the acquisition of New Gold and its New Afton and Rainy River mines, and strong performance across our portfolio, supported by our continued successful exploration investments which again increased our reserves and resources and extended mine lives. Through our ongoing progress across safety, environmental stewardship, community and Indigenous engagement and governance, we are reinforcing our foundation for responsible mining, sustainable growth and long-term value creation.”

The 2025 Responsibility Report and accompanying Responsibility Data Book are available on Coeur’s website at www.coeur.com.

About Coeur
Coeur Mining, Inc. (NYSE, TSX: CDE) is a U.S.-based, well-diversified, growing precious metals producer with seven wholly-owned operations: the New Afton gold-copper mine in British Columbia, Canada, the Rainy River gold-silver mine in Ontario, Canada, the Las Chispas silver-gold mine in Sonora, Mexico, the Palmarejo gold-silver mine in Chihuahua, Mexico, the Rochester silver-gold mine in Nevada, the Kensington gold mine in Alaska and the Wharf gold mine in South Dakota. In addition, the Company wholly-owns the Silvertip polymetallic critical minerals exploration project in British Columbia, Canada.

Cautionary Statements
This news release contains forward-looking statements within the meaning of securities legislation in the United States and Canada, including statements regarding the Company’s corporate responsibility goals, efforts, achievements and strategies. Such forward-looking statements involve known and unknown risks, uncertainties and other factors which may cause Coeur’s actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements. Such factors include, among others, the risk that anticipated corporate responsibility goals are not attained, the risks and hazards inherent in the mining business (including risks inherent in developing large-scale mining projects, environmental hazards, industrial accidents, weather or geologically-related conditions), changes in the market prices of gold, silver, copper, zinc and lead and a sustained lower price or higher treatment and refining charge environment, the uncertainties inherent in Coeur’s production, exploratory and developmental activities, including risks relating to permitting and regulatory delays, changes in mining laws, ground conditions and, grade and recovery variability, any future labor disputes or work stoppages (involving the Company and its subsidiaries or third parties), the uncertainties inherent in the estimation of mineral reserves, changes that could result from Coeur’s future acquisition of new mining properties or businesses, the loss of access or insolvency of any third-party refiner or smelter to which Coeur markets its production, the potential effects of future pandemics, including impacts to the availability of our workforce, continued access to financing sources, government orders that may require temporary suspension of operations at one or more of our sites and effects on our suppliers or the refiners and smelters to whom the Company markets its production and on the communities where we operate, the effects of environmental and other governmental regulations and government shut-downs, the risks inherent in the ownership or operation of or investment in mining properties or businesses in foreign countries, the ability to maintain positive relationships with community stakeholders, inflationary pressures and impacts from tariffs and other trade barriers, Coeur’s ability to raise additional financing necessary to conduct its business, make payments or refinance its debt, as well as other uncertainties and risk factors set out in filings made from time to time with the United States Securities and Exchange Commission, and the Canadian securities regulators, including, without limitation, Coeur’s most recent report on Form 10-K. Actual results, developments and timetables could vary significantly from the estimates presented. Readers are cautioned not to put undue reliance on forward-looking statements. Coeur disclaims any intent or obligation to update publicly such forward-looking statements, whether as a result of new information, future events or otherwise. Additionally, Coeur undertakes no obligation to comment on analyses, expectations or statements made by third parties in respect of Coeur, its financial or operating results or its securities. This does not constitute an offer of any securities for sale.

Notes
1. Source(s): U.S. Department of Labor Mine Safety and Health Administration (“MSHA”): Metal Operators Mine Safety and Health Statistics; preliminary data for January 1–December 31, 2025.

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