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.

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MEDIA:

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(800) 945-8723

INVESTOR CONTACTS:

Caroline Sardella

(918) 230-9992

Ashley Mitchell

(918) 240-6082

Source: Williams