Williams Improves on Key Sustainability Metrics Amid Rising Energy Demand

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Key Terms

carbon capture and sequestration technical

Carbon capture and sequestration is a process that captures carbon dioxide emissions from sources like power plants or industrial facilities and stores them underground to prevent them from entering the atmosphere. This technology helps reduce greenhouse gases that contribute to climate change, which can influence the long-term stability of energy and environmental markets. For investors, it represents a way to support cleaner energy solutions and potentially benefit from emerging industries focused on sustainable practices.

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Greenhouse gas emissions are the gases a company releases into the air—like carbon dioxide or methane—that trap heat in the atmosphere and contribute to global warming. For investors, these emissions matter because they can lead to higher regulatory costs, fines, shifting consumer preferences, and physical risks (like supply-chain disruptions), or create opportunities in low-carbon products; think of emissions as a company’s climate footprint that can affect future profits and value.

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An engagement where an independent auditor or reviewer provides moderate confidence that financial or non-financial information is free from material misstatement, but stops short of a full audit. Think of it as a focused check or review that uncovers obvious errors but does not involve the deep testing of a full audit. It matters to investors because it signals a lower level of independent verification of reported numbers, helping them judge how much trust to place in the disclosed information.

global reporting initiative standards regulatory

A set of widely used standards for corporate sustainability reporting that guide how companies measure and disclose environmental, social and governance (ESG) impacts. Think of them as a common recipe or blueprint that helps different firms report the same types of information in a comparable way. Investors use these disclosures to assess nonfinancial risks, operational practices and long-term value drivers that aren’t shown in traditional financial statements.

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07/30/2026 - 09:15 AM

TULSA, Okla.--(BUSINESS WIRE)-- Williams (NYSE: WMB) today released its 2025 Sustainability Report, highlighting its environmental, safety and operational performance amid rapidly growing demand for energy infrastructure to help power the next-generation economy.

An electronic version of the report is available at www.williams.com/sustainability.

“Rising energy demand requires solutions that are affordable and reliable, while also ready now and fit for a sustainable future,” said Chad Zamarin, Williams president and chief executive officer. “Natural gas checks every one of those boxes. We’re expanding critical infrastructure to deliver the energy people and businesses depend on today while building for tomorrow’s growth with practical, lower-carbon solutions.”

The report highlights Williams’ progress across several key areas, including:

Managing emissions alongside growth

Achieved 28% reduction in carbon intensity-based emissions since 2018, while growing operations
Reduced methane emissions intensity and outperformed annual reduction targets
Achieved OGMP 2.0 Gold Standard Pathway status, demonstrating leadership in methane reporting

Meeting demand with safe, reliable and affordable energy

Achieved nearly 100% service reliability in 2025
Secured agreements for ~2.6 gigawatts of on-site natural gas power generation to serve hyperscalers and other large-load customers
Inspected a total of 4,216 miles of pipelines through the Williams Integrity Program.
Reduced employee recordable incident rate by 23% compared to 2024

Advancing lower-carbon solutions

Continued to develop carbon capture and sequestration projects, including infrastructure tied to the Louisiana Energy Gateway system capable of capturing significant volumes of CO₂
Advanced NextGen Gas and emissions monitoring capabilities to improve transparency and reduce emissions across the value chain
Progressed solar and battery projects, including development of a large-scale solar facility in Lakeland, Florida, on reclaimed land

Supporting communities and employees

Contributed $14.9 million to charitable causes in communities across 46 states and the District of Columbia.
Volunteered with 85 nonprofit organizations in 17 states during Williams Volunteer Week
Participated in more than 600 community stakeholder engagement events
Delivered more than 236,000 hours of employee training around ethics and compliance, safety, cybersecurity and other topics

Ratings and awards

Named for the sixth consecutive year to the Dow Jones Best-in-Class™ North America Index and for the fifth consecutive year to the Dow Jones Best-in-Class™ World Index
Scored an ‘A−’ on the 2025 CDP Corporate Questionnaire for the third consecutive year
Included in the S&P Global Sustainability Yearbook 2026 as a member in the Oil and Gas Storage and Transportation industry
Upgraded to an ‘AAA’ MSCI ESG rating in 2026

Williams’ 2025 Sustainability Report covers operations from January 1 through December 31, 2025, unless otherwise noted, and was prepared in accordance with the Global Reporting Initiative (GRI) Standards 2021, including GRI 11: Oil and Gas Sector Standard. This report references the Sustainability Accounting Standards Board (SASB) Oil & Gas — Midstream Standards, Task Force on Climate-related Financial Disclosures (TCFD), Global Reporting Initiative (GRI) Standards, the United Nations SDGs and IFRS Foundation S2 Climate-related Disclosures.

In addition, Williams’ 2025 Sustainability Report received independent third-party limited assurance from ERM Certification and Verification Services (ERM CVS) for select 2025 greenhouse gas emissions and safety data.

About Williams

Williams (NYSE: WMB) is a trusted energy industry leader committed to safely, reliably and responsibly meeting growing energy demand. We use our infrastructure to deliver one third of the nation’s natural gas to where it's needed most, supplying the energy used to heat our homes, cook our food and generate low-carbon electricity. For over a century, we’ve been driven by a passion for doing things the right way. Today, our team of problem solvers is leading the charge into the clean energy future. Learn more at www.williams.com.

Portions of this document may constitute “forward-looking statements” as defined by federal law. Although Williams believes any such statements are based on reasonable assumptions, there is no assurance that actual outcomes will not be materially different. Any such statements are made in reliance on the “safe harbor” protections provided under the Private Securities Reform Act of 1995. Additional information about issues that could lead to material changes in performance is contained in Williams’ annual and quarterly reports filed with the SEC.