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Wheaton Precious Metals Publishes 2025 Sustainability Report

Corporate Updates

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May 20, 2026

Vancouver, British Columbia

Wheaton Precious Metals Publishes

2025 Sustainability Report

Vancouver, British Columbia – Wheaton Precious Metals™ Corp. (“Wheaton” or the “Company”)

is pleased to announce the publication of its 2025 Sustainability Report.

“Sustainability considerations are embedded in our decision-making process and integral to how

Wheaton evaluates opportunities, manages risk, and builds resilience,” said Haytham Hodaly,

President & Chief Executive Officer of Wheaton Precious Metals. “Our 2025 Sustainability Report

reflects the results of an updated materiality assessment and includes Wheaton’s progress across

key performance metrics, program updates, and insights from our global portfolio of high -quality

assets. From disciplined capital allocation to our support for local communities and innovation,

strong sustainability practices enhance our ability to create long -term value for shareholders,

mining partners, and host communities.”

Wheaton’s 2025 Sustainability Report

Wheaton’s 2025 Sustainability Report provides a comprehensive overview of the company’s

sustainability performance, including progress against its strategy, targets, and commitments. The

report outlines how sustainability considerations are managed and integrated across the

organization. In 2025, Wheaton completed a refreshed double materiality assessment to identify

and prioritize the sustainability topics most relevant to its business and stakeholders, considering

both societal and environmental impacts and related financial risks and opportunities, which

directly informed the report’s disclosures.

Highlights include:

• Recognized among Corporate Knights’ Global 100 Most Sustainable Corporations and

Canada’s Best 50 Corporate Citizens.

• Delivered consistent top-tier ESG performance, maintaining an MSCI AAA rating, ISS ESG

Prime status, and leading Sustainalytics rankings.

• Advanced innovation in sustainable mining through the Future of Mining Challenge,

supporting technologies that reduce environmental impact and strengthen industry

practices, which has awarded two companies to date with $1 million to advance their

technologies.

• Continued to scale a peer -leading and growing community investment program,

contributing $9.4 million in 2025 across more than 150 initiatives. Since inception, Wheaton

has contributed over $62 million towards social and environmental programs.

• 71% of 2024 Scope 3 financed emissions covered by absolute emissions reductions

targets aligned to 2°C or less.

• 95% of 2025 attributable production from operations committed to the Global Industry

Standard on Tailings Management.

• Maintained strong oversight of sustainability performance across Wheaton's high -quality

asset portfolio, actively monitoring key social and environmental indicators.

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Standards

Wheaton’s Sustainability Report is informed by the Global Reporting Initiative (GRI) Standards,

the Sustainability Accounting Standards Board (SASB) Asset Management and Metals and Mining

Standards, and the Task Force on Climate-related Financial Disclosures (TCFD) framework.

About Wheaton Precious Metals Corp.

Wheaton Precious Metals is the world’s premier precious metals streaming company, providing

shareholders with access to a high-quality portfolio of low-cost, long-life mines around the world.

Through strategic streaming agreements, Wheaton partners with mining companies to secure a portion

of their future precious metals production. Committed to responsible mining practices, Wheaton

employs industry-leading due diligence practices with a goal of unlocking long-term value for

shareholders while supporting the broader mining industry to deliver the commodities society needs

through access to capital. Wheaton’s shares are listed on the Toronto Stock Exchange, New York

Stock Exchange and London Stock Exchange under the symbol WPM. Learn more about Wheaton

Precious Metals at www.wheatonpm.com or follow us on social media.

For further information:

Media Contact

Simona Antolak

Vice President, Communications & Corporate Affairs

Tel: 604-639-9870

Email: [email protected]

Investor Contact

Emma Murray

Vice President, Investor Relations

Tel: 1-844-288-9878

Email: [email protected]

Cautionary Note Regarding Forward-Looking Statements

This press release contains “forward-looking statements” within the meaning of the United States

Private Securities Litigation Reform Act of 1995 and “forward -looking information” within the

meaning of applicable Canadian securities legislation concerning the business, operations and

financial performance of Wheaton. Forward -looking statements, which are all statements other

than statements of historical fact, include, but are not limited to, statements with respect to

sustainability and climate change strategy, targets and commitments and climate scenario

analysis by Wheaton and at mineral stream interests currently owned by Wheaton (the “Mining

Operations”). Forward-looking statements are subject to known and unknown risks, uncertainties

and other factors that may cause the actual results, level of activity, performance or achievements

of Wheaton to be materially different from those expressed or implied by such forward -looking

statements including (without limitation) risks related t o the ability to achieve sustainability and

climate change strategy, targets and commitments at both Wheaton and the Mining Operations

and other risks discussed in the section entitled “Description of the Business – Risk Factors” in

Wheaton’s Annual Information Form for the year ended December 31, 202 5 and the risks

identified under "Risks and Uncertainties" in Wheaton’s Management's Discussion and Analysis

for the year ended December 31, 202 5, both available on SEDAR+ and in Wheaton’s Form 6 -K

filed March 12, 2026, all available on EDGAR (the “Disclosure”). Forward-looking statements are

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based on assumptions management currently believes to be reasonable, including (without

limitation) that sustainability and climate change strategy, targets and commitments at both

Wheaton and the Mining Operations will be achieved, there will be no material adverse change in

the market price of commodities, that estimations of future production from the Mining Operations

and mineral reserves and resources are accurate, that the mining operations from which Wheaton

purchases precious metals will continue to operate, that each party will satisfy their obligations in

accordance with the precious metals purchase agreements, and such other assumptions and

factors as set out in the Disclosure.