Williams (NYSE: WMB) announced today that Alan Armstrong, president and chief executive officer, is scheduled to present at the Scotia Howard Weil 2018 Energy Conference in New Orleans, Louisiana, on Tuesday, March 27, 2018, at approximately 9:40 a.m. Central Time (10:40 a.m. Eastern Time). While presentations at this conference will not be available via webcast, Mr. Armstrong's presentation slides will be accessible at www.williams.com on the morning of March 27. About Williams Williams (NYSE: WMB) is a premier provider of large-scale infrastructure connecting U.S. natural gas and natural gas products to growing demand for cleaner fuel and feedstocks. Headquartered in Tulsa, Okla., Williams owns approximately 74 percent of Williams Partners L.P. (NYSE: WPZ). Williams Partners is an industry-leading, large-cap master limited partnership with operations across the natural gas value chain including gathering, processing and interstate transportation of natural gas and natural gas liquids. With major positions in top U.S. supply basins, Williams Partners owns and operates more than 33,000 miles of pipelines system wide - including the nation's largest volume and fastest growing pipeline - providing natural gas for clean-power generation, heating and industrial use. Williams Partners' operations touch approximately 30 percent of U.S. natural gas. www.williams.com Portions of this document may constitute "forward-looking statements" as defined by federal law. Although the company 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 the company's annual and quarterly reports filed with the Securities and Exchange Commission.