Williams (NYSE: WMB) today released its latest Sustainability Report, which provides a comprehensive review of environmental and safety performance and management and details the company’s efforts on social and governance topics for the 2024 reporting year. An electronic version of the report is available at www.williams.com/sustainability.

“Our natural gas-focused strategy and innovative, problem-solving solutions are leading the industry and providing value to our shareholders,” said Williams CEO and President Chad Zamarin. “With so much need and opportunity on the horizon for natural gas, Williams remains steadfast and focused on applying pragmatic solutions to further decarbonize the natural gas value chain, while at the same time exploring and advancing the next generation of energy technologies and energy infrastructure solutions.”

Highlights of the report include the following:

Minimizing our footprint

• Replaced 92 units as part of our Emissions Reduction Program (ERP) in 2024, reducing emissions and operating expenditures while also generating a regulated rate of return
• Held year-over-year absolute-based carbon emissions flat, even with the inclusion of strategic growth through expansion projects and significant M&A activity in 2024
• Reduced absolute methane emissions to outperform our Annual Incentive Program (AIP) target of a 5% reduction from the previous year baseline
• Became the first large-scale midstream company in the U.S. to join OGMP 2.0, an international methane emissions reporting initiative, and approved a Scope 1 methane intensity target of achieving a 0.0375% methane intensity by 2028 of operated assets

Innovation

• Established Power Innovation team focused on delivering turnkey power generation solutions for hyperscalers, and in early 2025, announced a large-scale investment to build onsite power generation facilities and associated natural gas pipeline infrastructure for a large, investment-grade customer
• Set to develop an approximately 450-acre solar facility in Lakeland, Florida, repurposing a decommissioned phosphate mine from our legacy real estate holdings
• Continued development of complimentary, alternative low-carbon technologies such as independently verified and certified NextGen Gas, carbon capture and sequestration, solar and battery storage

Community and Employee Engagement

• Contributed over $13.7 million to 2,151 organizations across 50 states, the District of Columbia and Canada
• Volunteered at 77 nonprofit organizations in 15 states during Williams Volunteer Week
• Participated in 607 unique engagements with local community stakeholders
• Administered nearly 300,000 total hours of employee training
• Supported 10 Employee Resource Groups (ERGs) with total membership exceeding 1,450 employees, or 26% of our workforce

Ratings and Awards

• Named for the fifth consecutive year to the Dow Jones Best-in-Class™ North America Index and for the fourth consecutive year to the Dow Jones Best-in-Class™ World Index
• Scored in the top 5% of the oil and gas storage and transportation industry peer group for the S&P Global Corporate Sustainability Assessment 2024 Sustainability Yearbook
• Received an ‘A−’ score on the 2024 CDP Corporate Questionnaire, which exceeds the industry average of ‘B’ and North American average of ‘C'
• Upgraded to an ‘AA’ rating by MSCI
• Three Williams directors named in 2025 to the Wall Street Journal’s inaugural Top 250 Board Directors listing

Williams’ 2024 Sustainability Report covers operations from January 1 through December 31, 2024, 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’ 2024 Sustainability Report received independent third-party limited assurance from ERM Certification and Verification Services (ERM CVS) for select 2024 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 33,000-mile pipeline infrastructure to move a 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 – by powering the global economy while delivering immediate emissions reductions within our natural gas network and investing in new energy technologies. 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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